[QGIS-Developer] FYI Point cloud data available in PET format

[Luigi Pirelli]

finally point cloud data for an old project has been published. Was the
origin of pdaltools plugin when pdal was not yet integrated in qgis.

data can be streamed via EPT:
https://cartolab.udc.es/geomove/datos/en/pcls
https://cartolab.udc.es/geomove/datos/en/

Luigi Pirelli

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Re: [QGIS-Developer] Custom processing script instabilities

[Luigi Pirelli]

strange that a library call exit, so I would inspect if the lib faces a
raise condition. I would check the code outside qgis checking if it
terminates for some reason.

Luigi Pirelli

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On Thu, 24 Jun 2021 at 23:05, Alexis R.L.  wrote:

> Greetings Luigi,
>
> There were no interaction, I used glob to gather all the images in a
> folder, used Image.Open and then used _getexif(). But returning before this
> part was the only way to get a stable first run.
>
> Sadly I can share the code (work and IP).
>
> The rest of it looped through datapoints and correlated the images to the
> points using the exif timestamp and the geolocalisation.
>
> Alex
>
> Le jeu. 24 juin 2021 à 16:34, Luigi Pirelli  a écrit :
>
>> hard to say something without reading the code... btw generally you do
>> not have to interact with main GUi from a processing alg that by default
>> run in a separated thread => this can cause crash if you do not use
>> standard processing libs (e.g. feedback) to send message to the user.
>> No idea if this could be the source of the problem., IMHO sharing the
>> code would help and also help to verify if it can be replicable.
>>
>> regards
>>
>> Luigi Pirelli
>>
>>
>> ******
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>>
>> **
>>
>>
>> On Thu, 24 Jun 2021 at 21:51, Alexis R.L.  wrote:
>>
>>> Greetings,
>>>
>>> I have one custom script that uses PIL to get the exif tag, and when I
>>> execute the script for the first time, the processing window vanishes and
>>> qgis stall and then crashes.
>>>
>>> To get it to run properly I had to set the return before opening the
>>> files with PIL to run a neutered version and then subsequent runs were
>>> flawless during that qgis instance.
>>>
>>> I ended up using a standalone exif reader, though slower , but there are
>>> no more crashes.
>>>
>>> Has anyone else had similar issues and is anyone aware of a way to
>>> prevent such crashes or handle them more gracefully, as no trace is left
>>> currently.
>>>
>>> Thanks and have a nice day,
>>>
>>> Alex
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>>
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Re: [QGIS-Developer] Custom processing script instabilities

[Luigi Pirelli]

hard to say something without reading the code... btw generally you do not
have to interact with main GUi from a processing alg that by default run in
a separated thread => this can cause crash if you do not use standard
processing libs (e.g. feedback) to send message to the user.
No idea if this could be the source of the problem., IMHO sharing the code
would help and also help to verify if it can be replicable.

regards

Luigi Pirelli

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On Thu, 24 Jun 2021 at 21:51, Alexis R.L.  wrote:

> Greetings,
>
> I have one custom script that uses PIL to get the exif tag, and when I
> execute the script for the first time, the processing window vanishes and
> qgis stall and then crashes.
>
> To get it to run properly I had to set the return before opening the files
> with PIL to run a neutered version and then subsequent runs were flawless
> during that qgis instance.
>
> I ended up using a standalone exif reader, though slower , but there are
> no more crashes.
>
> Has anyone else had similar issues and is anyone aware of a way to prevent
> such crashes or handle them more gracefully, as no trace is left currently.
>
> Thanks and have a nice day,
>
> Alex
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Re: [QGIS-Developer] How to use addLayerToLoadOnCompletion() ?

[Luigi Pirelli]

I didn't used too much this feature, I usually delegate to the results of
the algorithm if to load or not.
BTW in my snippets (all commented so not used in my scripts) I set last
LayerDetails parameter as the key in result dictionary =>

in your case should be:
context.addLayerToLoadOnCompletion(rlayer.id(),
QgsProcessingContext.LayerDetails('image_layer',
QgsProject.instance(), self.OUTPUT_raster))

regards

Luigi Pirelli

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On Wed, 16 Jun 2021 at 04:05, Bourdon, Jean-François (DIF) <
jean-francois.bour...@mffp.gouv.qc.ca> wrote:

> [image: Intranet logo]
>
> Hi Devs,
>
>
>
> I'm trying to load a raster/vector layer to the current project at the end
> of the run of a processing algorithm script. I know about
> QgsProcessingParameterFeatureSink() and I use it when creating a new layer
> during processing, but how to add an existing layer that will be shown on
> the map? I tried using context.project().addMapLayer(rlayer, True) but it
> obviously doesn't work because the process is running in a separate thread.
> Speaking of thread, I would prefer avoiding running the script in the main
> thread with
>
> def flags(self):
>
> return super().flags() | QgsProcessingAlgorithm.FlagNoThreading
>
>
>
> I saw this answer from Nyall on SO
> <https://gis.stackexchange.com/questions/280520/let-qgis-3-0-processing-algorithm-output-a-vectorlayer-loaded-via-the-delimited>
> for something similar but I haven't been able to emulate. Below is a short
> example of what I last tried and which gives me the following error: *The
> following layers were not correctly generated. •
> image_73e75830_4808_4993_abc7_24a5ee61217e You can check the 'Log Messages
> Panel' in QGIS main window to find more information about the execution of
> the algorithm.*
>
>
>
> class addLayerToCanvas(QgsProcessingAlgorithm):
>
> OUTPUT_raster = 'OUTPUT_raster'
>
>
>
> def initAlgorithm(self, config):
>
>
> self.addOutput(QgsProcessingOutputMultipleLayers(self.OUTPUT_raster,
>
>  self.tr('Output
> raster')))
>
>
>
> def processAlgorithm(self, parameters, context, feedback):
>
>
>
> rlayer = QgsRasterLayer("F:/image.tif", "image") # The layer I
> want to add to the current project/canvas
>
> context.addLayerToLoadOnCompletion(rlayer.id(),
> QgsProcessingContext.LayerDetails('image_layer', QgsProject.instance(), ''))
>
>
>
> return {self.OUTPUT_raster: rlayer.id()}
>
>
>
> Thanks for any help
>
>
>
> *Jean-François Bourdon, ing.f.*
>
> *Analyste en télédétection*
> *Direction des inventaires forestiers*
> *Ministère des Forêts, de la Faune et des Parcs*
> 5700, 4e Avenue Ouest, local A-108
> Québec (Québec) G1H 6R1
> Téléphone : 418 627-8669, poste 704304
> *jean-francois.bour...@mffp.gouv.qc.ca
> *
> *mffp.gouv.qc.ca* <http://www.mffp.gouv.qc.ca/accueil.jsp>
>
>
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Re: [QGIS-Developer] [python] saveStyleToDatabase() bug when saving more than one layer to a GPKG

[Luigi Pirelli]

Hi Jésahel
It is ok to share and verify bugs in the dev mailing list. BTW if it is
almost sure you have a bug, IMHO it is better to open an issue where to
store any info to replicate it.

Luigi Pirelli

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On Fri, 23 Apr 2021 at 16:42, Jésahel Benoist  wrote:

> Hi ! I'm happy to join this list. Hope you can help with this nasty bug,
> two days I'm on it...
>
> Regards,
>
> Jésahel
>
> **Describe the bug**
> For a plugin, I need a way to save my layers in a geopackage with their
> own style, exactly like the "Package" Tool.
> The problem arises when two or more layers are saved. In the destination
> gpkg, the layer_styles table contains one row by layer, the styleName field
> is OK but the f_table_name field contains another layer name. I'm almost
> sure that the bug is in the saveStyleToDatabase() function. I've tried
> everything, almost reproducing the [Package tool function](
> https://github.com/qgis/QGIS/blob/master/src/analysis/processing/qgsalgorithmpackage.cpp
> )
>
> **How to Reproduce**
> Create two layers with their own style named test and test 2 (or download
> this one [
> http://djes.free.fr/qgis/test.gpkg](http://djes.free.fr/qgis/test.gpkg)).
> Adjust the script to the layers name and destination geopackage. Launch the
> script for the first layer, destination file is OK. For the second, the
> style is not correctly saved.
>
> **QGIS and OS versions**
> 3.16.5 and 3.18.1 / Windows 10
>
> Simplified code (or download it on
> http://djes.free.fr/qgis/saveLayerWithStyle.py)
> [code]
> layer_name = 'test' #change me
> gpkg_name = 'c:\\temp\\mytest.gpkg' #change me if needed
>
> # First, saves the layer
> src_layer = QgsProject.instance().mapLayersByName(layer_name)[0]
> options = QgsVectorFileWriter.SaveVectorOptions()
> options.actionOnExistingFile = QgsVectorFileWriter.CreateOrOverwriteLayer
> options.layerName = layer_name
> #options.SymbologyExport = QgsVectorFileWriter.FeatureSymbology
> #options.driverName = "GPKG"
> error = QgsVectorFileWriter.writeAsVectorFormatV2(src_layer, gpkg_name,
> QgsProject.instance().transformContext(), options)
>
> if error[0] == QgsVectorFileWriter.ErrCreateDataSource:
> print("Create mode")
> options.actionOnExistingFile =
> QgsVectorFileWriter.CreateOrOverwriteFile #Create mode
> error = QgsVectorFileWriter.writeAsVectorFormatV2(src_layer,
> gpkg_name, QgsProject.instance().transformContext(), options)
> del options
> if error[0] == QgsVectorFileWriter.NoError:
> print('Layer "' + layer_na
>
> me + '" saved in "' + gpkg_name + '"')
> else:
> print(error)
> raise Exception('Failed to save layer')
>
> # Second, saves the style
> # Load just saved layer
> dst_layer = QgsVectorLayer(gpkg_name, layer_name)
> if not dst_layer.isValid():
> raise Exception('Failed to load layer')
> #print(dst_layer)
>
> myDocument = QDomDocument('qgis')
> src_layer.exportNamedStyle(myDocument)
> #print(myDocument.toString())
> success, message = dst_layer.importNamedStyle(myDocument)
> dst_layer.saveStyleToDatabase(layer_name, '', True, '')
> QgsProject.instance().removeMapLayer(dst_layer)
> del src_layer
> del dst_layer
> del myDocument
> [/code]
>
>
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Re: [QGIS-Developer] Accessing ArcGIS Web Services using CAC

[Luigi Pirelli]

As far as I can read about CAC, at the moment QGIS auth infrastructure does
not support it. A new auth method should be added to support this auth
form. This requires coding. Auth infrastructure was financed just by a US
administration. NO idea if they have already implemented it somewhere but
not leaved free as they did before with the actual auth infrastructure.

In this list there are some of the people involved in that implementation
and can give tech support for new methods if necessary.

regards

Luigi Pirelli

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On Wed, 10 Feb 2021 at 17:44, Catania, Luke A ERDC-RDE-GRL-VA CIV <
luke.a.cata...@erdc.dren.mil> wrote:

> I want to access some ArcGIS web services but it requires a CAC login.  I
> can get to the site through a browser and it prompts me to select my
> certificate.  I see some options to set up authentication, but not sure if
> I can do this for my CAC based on the options I see.
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Re: [QGIS-Developer] FFT convolution plugin help

[Luigi Pirelli]

I agree with uclaros, probably a processing model is what you are looking
for, if it fits your processing speed and complexity you can also
always convert your model in a python script and eventually add some high
level parallelization. BTW i.fft would be enough efficient and raster are
just linked in grass (automagically by grass provider in processing)
without need to import/export.

Bye form an ex Barrio de Sampedro citizen

cheers

Luigi Pirelli

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On Fri, 5 Feb 2021 at 17:58, salvador bara  wrote:

>
>
> I'm new to the list, and I apologize in advance if this is not the
> proper place for this post. In that case any pointer about where to send
> this request would be highly appreciated.
>
> I am working at Universidade de Santiago de Compostela, in
> mathematical methods for light pollution research. Some people asked us for
> an easy way to create light pollution maps using QGIS. These maps can be
> easily produced by 2-D FFT convolution of georeferenced nighttime satellite
> image rasters, using kernels of ~1Mpixel size defined by arbitrary
> functions (that is, not just Gaussian ; ) ). We routinely do so using
> Matlab, and we have checked that it can also be done using the QGIS menu
> after a rather lengthy set of inividual operations based on the i.fft and
> i.ifft grass routines. We are assessing the feasibility of writing a
> dedicated tutorial on that. However, for most users of QGIS in our field,
> this step-by-step algorithm turns out to be a rather cumbersome procedure.
>
> I have to confess I have no programming skills (at all) for
> implementing an FFT conv pluging in QGIS. If anyone in the developer world
> would be interested in this issue and its potential applications, I would
> be happy of cooperating. I am sure there is a large user community that
> would take advantage of this feature. For more info about the underlying
> methods you may want to have a look to  https://arxiv.org/abs/1907.02891
>
> All the best,
> salva bará
>
> --
> Salva Bará
>
> Barrio de San Pedro, Compostela, GALIZA (European Union)
>
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> This message has been sent using 100% recycled electrons and photons
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[QGIS-Developer] Are there per plugin download details?

[Luigi Pirelli]

Hi

Asked me about download statistic for plugins. e.g. if download statistic
are registered, not only total, but total per day or rough location of the
download.

do we have this kind of info?

cheers

Luigi Pirelli

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Re: [QGIS-Developer] Processing: No spatial index exists for input layer, performance will be severely degraded

[Luigi Pirelli]

I've this message constantly... but usually when an intermediate layer is
used in some geoprocess. So, you can just add a "create spatial index" step
before the next geoprocess. Doing it automatically can be time spending. Do
you really need it everytime?

Luigi Pirelli

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On Mon, 23 Nov 2020 at 15:23, Andreas Neumann  wrote:

> Hi,
>
> When running QGIS processing models, I frequently get the red warning
> messages:
>
> No spatial index exists for input layer, performance will be severely
> degraded
>
>
> These are temporary (intermediate) geopackage files that QGIS generates
> during the running of the model. Is there an option that QGIS could
> automatically generate these spatial indexes for intermediate files?
>
>
> Thanks,
>
> Andreas
>
> --
> Andreas Neumann
> QGIS.ORG board member (treasurer)
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Re: [QGIS-Developer] QtCreator does not start QGIS?

[Luigi Pirelli]

poposted workaround works with GDB... but I've different crashes using gdb
and lldb, probably more similar to that in runtime that caught by LLDB.
I'll investigate more

cheers

Luigi Pirelli

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On Mon, 23 Nov 2020 at 18:30, Matthias Kuhn  wrote:

> Hi Luigi,
>
> This is an older issue, workaround here:
>
>
> http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-Qtcreator-debug-issues-tp5389889p5389905.html
>
> Hope this helps and best wishes
> Matthias
>
> On Mon, Nov 23, 2020 at 6:26 PM Luigi Pirelli  wrote:
>
>> h... seems the same error happen with qt 5.12.8 (eg.. version with
>> ubuntu 20.04 LTR)
>>
>> src/core/qgsproviderregistry.cpp:261 : (init) [0ms] Checking ogr:
>> ...loaded OK (59 file filters)
>> src/core/auth/qgsauthmanager.cpp:180 : (init) [0ms] Initializing QCA...
>>
>> Thread 5 "QDBusConnection" received signal SIG33, Real-time event 33.
>> [Switching to Thread 0x7fffdaffd700 (LWP 285949)]
>> 0x71e4baff in __GI___poll (fds=0x7fffd000eaf0, nfds=5,
>> timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>> 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
>>
>>
>> there is a workaround? I need to debug some crashes
>>
>> regards
>> Luigi Pirelli
>>
>>
>> **********
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>>
>> **
>>
>>
>> On Thu, 12 Nov 2020 at 18:00, Sandro Mani  wrote:
>>
>>> Hi Richard
>>>
>>> If you are using Qt5.15.{0,1} and are getting random SIGTRAPS, or the
>>> process segfaulting straight after starting through gdb, this might be
>>> [1].
>>>
>>> Sandro
>>>
>>> [1] https://bugreports.qt.io/browse/QTBUG-86319
>>>
>>> On 12.11.20 15:45, Richard Duivenvoorde wrote:
>>> > Still having troubles starting QGIS in debug in QtCreator in my setup
>>> today.
>>> >
>>> > See https://duif.net/qc.png
>>> >
>>> > So QGIS (in QtCreator) starts, and during startup it stops and shows
>>> me the dissassembler(?) view. Sometimes I can see something (like in this
>>> screendump: something with libnss ?) sometimes all is white/empty.
>>> >
>>> > Last this I in the log is: "Destroyed while process ("whoami"), which
>>> according to git is recently changed but... does not seem related to me:
>>> >
>>> https://github.com/qgis/QGIS/commit/7a38388a8762503b0bdba55065fffea2ff24137a
>>> >
>>> > Regards,
>>> >
>>> > Richard
>>> >
>>> >
>>> >
>>> > On 11/11/20 9:16 AM, Richard Duivenvoorde wrote:
>>> >> Hi,
>>> >>
>>> >> Currently in my Qt build I cannot debug QGIS in qtcreator because it
>>> hangs/stops when showing the splash.
>>> >> After some time the Application Output shows:
>>> >>
>>> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [60891ms]
>>> [thread:0x560d9d00] 2020-11-11T08:58:15 [1] HTTP fetch
>>> https://feed.qgis.org/?after=1605081272=en failed with error
>>> Operation canceled
>>> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [0ms]
>>> [thread:0x560d9d00] 2020-11-11T08:58:15 Network[1] Network request
>>> https://feed.qgis.org/?after=1605081272=en timed out
>>> >>
>>> >> I am connected, and https://feed.qgis.org/?after=1605081272=en
>>> is available from my browser.
>>> >>
>>> >> Disabling: 'S

Re: [QGIS-Developer] QtCreator does not start QGIS?

[Luigi Pirelli]

great. thanks for pointing it out... btw I also found that using LLDB
instead of GDB solve too (as workaround). I'll try back to GDB for more
uniformity.

cheers

Luigi Pirelli

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On Mon, 23 Nov 2020 at 18:30, Matthias Kuhn  wrote:

> Hi Luigi,
>
> This is an older issue, workaround here:
>
>
> http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-Qtcreator-debug-issues-tp5389889p5389905.html
>
> Hope this helps and best wishes
> Matthias
>
> On Mon, Nov 23, 2020 at 6:26 PM Luigi Pirelli  wrote:
>
>> h... seems the same error happen with qt 5.12.8 (eg.. version with
>> ubuntu 20.04 LTR)
>>
>> src/core/qgsproviderregistry.cpp:261 : (init) [0ms] Checking ogr:
>> ...loaded OK (59 file filters)
>> src/core/auth/qgsauthmanager.cpp:180 : (init) [0ms] Initializing QCA...
>>
>> Thread 5 "QDBusConnection" received signal SIG33, Real-time event 33.
>> [Switching to Thread 0x7fffdaffd700 (LWP 285949)]
>> 0x71e4baff in __GI___poll (fds=0x7fffd000eaf0, nfds=5,
>> timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>> 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
>>
>>
>> there is a workaround? I need to debug some crashes
>>
>> regards
>> Luigi Pirelli
>>
>>
>> **********
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
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>> * Hire a team: http://www.qcooperative.net
>>
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>>
>>
>> On Thu, 12 Nov 2020 at 18:00, Sandro Mani  wrote:
>>
>>> Hi Richard
>>>
>>> If you are using Qt5.15.{0,1} and are getting random SIGTRAPS, or the
>>> process segfaulting straight after starting through gdb, this might be
>>> [1].
>>>
>>> Sandro
>>>
>>> [1] https://bugreports.qt.io/browse/QTBUG-86319
>>>
>>> On 12.11.20 15:45, Richard Duivenvoorde wrote:
>>> > Still having troubles starting QGIS in debug in QtCreator in my setup
>>> today.
>>> >
>>> > See https://duif.net/qc.png
>>> >
>>> > So QGIS (in QtCreator) starts, and during startup it stops and shows
>>> me the dissassembler(?) view. Sometimes I can see something (like in this
>>> screendump: something with libnss ?) sometimes all is white/empty.
>>> >
>>> > Last this I in the log is: "Destroyed while process ("whoami"), which
>>> according to git is recently changed but... does not seem related to me:
>>> >
>>> https://github.com/qgis/QGIS/commit/7a38388a8762503b0bdba55065fffea2ff24137a
>>> >
>>> > Regards,
>>> >
>>> > Richard
>>> >
>>> >
>>> >
>>> > On 11/11/20 9:16 AM, Richard Duivenvoorde wrote:
>>> >> Hi,
>>> >>
>>> >> Currently in my Qt build I cannot debug QGIS in qtcreator because it
>>> hangs/stops when showing the splash.
>>> >> After some time the Application Output shows:
>>> >>
>>> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [60891ms]
>>> [thread:0x560d9d00] 2020-11-11T08:58:15 [1] HTTP fetch
>>> https://feed.qgis.org/?after=1605081272=en failed with error
>>> Operation canceled
>>> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [0ms]
>>> [thread:0x560d9d00] 2020-11-11T08:58:15 Network[1] Network request
>>> https://feed.qgis.org/?after=1605081272=en timed out
>>> >>
>>> >> I am connected, and https://feed.qgis.org/?after=1605081272=en
>>> is available from my browser.
>>> >>
>>> >> Disabling: 'S

Re: [QGIS-Developer] QtCreator does not start QGIS?

[Luigi Pirelli]

h... seems the same error happen with qt 5.12.8 (eg.. version with
ubuntu 20.04 LTR)

src/core/qgsproviderregistry.cpp:261 : (init) [0ms] Checking ogr: ...loaded
OK (59 file filters)
src/core/auth/qgsauthmanager.cpp:180 : (init) [0ms] Initializing QCA...

Thread 5 "QDBusConnection" received signal SIG33, Real-time event 33.
[Switching to Thread 0x7fffdaffd700 (LWP 285949)]
0x71e4baff in __GI___poll (fds=0x7fffd000eaf0, nfds=5, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.


there is a workaround? I need to debug some crashes

regards
Luigi Pirelli

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On Thu, 12 Nov 2020 at 18:00, Sandro Mani  wrote:

> Hi Richard
>
> If you are using Qt5.15.{0,1} and are getting random SIGTRAPS, or the
> process segfaulting straight after starting through gdb, this might be [1].
>
> Sandro
>
> [1] https://bugreports.qt.io/browse/QTBUG-86319
>
> On 12.11.20 15:45, Richard Duivenvoorde wrote:
> > Still having troubles starting QGIS in debug in QtCreator in my setup
> today.
> >
> > See https://duif.net/qc.png
> >
> > So QGIS (in QtCreator) starts, and during startup it stops and shows me
> the dissassembler(?) view. Sometimes I can see something (like in this
> screendump: something with libnss ?) sometimes all is white/empty.
> >
> > Last this I in the log is: "Destroyed while process ("whoami"), which
> according to git is recently changed but... does not seem related to me:
> >
> https://github.com/qgis/QGIS/commit/7a38388a8762503b0bdba55065fffea2ff24137a
> >
> > Regards,
> >
> > Richard
> >
> >
> >
> > On 11/11/20 9:16 AM, Richard Duivenvoorde wrote:
> >> Hi,
> >>
> >> Currently in my Qt build I cannot debug QGIS in qtcreator because it
> hangs/stops when showing the splash.
> >> After some time the Application Output shows:
> >>
> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [60891ms]
> [thread:0x560d9d00] 2020-11-11T08:58:15 [1] HTTP fetch
> https://feed.qgis.org/?after=1605081272=en failed with error
> Operation canceled
> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [0ms]
> [thread:0x560d9d00] 2020-11-11T08:58:15 Network[1] Network request
> https://feed.qgis.org/?after=1605081272=en timed out
> >>
> >> I am connected, and https://feed.qgis.org/?after=1605081272=en is
> available from my browser.
> >>
> >> Disabling: 'Show QGIS news feed on welcome page' and 'Check QGIS
> version at startup' fix this.
> >>
> >> Others have this issue currently?
> >>
> >> (I hit my head also with this sometimes when in mixed/http proxied
> environments
> >> I still think we should use 'opt in' for these 'QGIS phoning home
> stuff' instead of 'opt out')
> >>
> >> Regards,
> >>
> >> Richard Duivenvoorde
> >>
> >> ___
> >> QGIS-Developer mailing list
> >> QGIS-Developer@lists.osgeo.org
> >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
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Re: [QGIS-Developer] QtCreator does not start QGIS?

[Luigi Pirelli]

I had many problems these days compiling qgis in qtcreator... solved
removing the build directory and the generated
CMakeLists.txt.user

then run cmake again and compile from scratch... this solved in my case
(was compiled without python and other strange stuffs)... no idea if this
can help

Luigi Pirelli

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On Thu, 12 Nov 2020 at 15:45, Richard Duivenvoorde 
wrote:

> Still having troubles starting QGIS in debug in QtCreator in my setup
> today.
>
> See https://duif.net/qc.png
>
> So QGIS (in QtCreator) starts, and during startup it stops and shows me
> the dissassembler(?) view. Sometimes I can see something (like in this
> screendump: something with libnss ?) sometimes all is white/empty.
>
> Last this I in the log is: "Destroyed while process ("whoami"), which
> according to git is recently changed but... does not seem related to me:
>
> https://github.com/qgis/QGIS/commit/7a38388a8762503b0bdba55065fffea2ff24137a
>
> Regards,
>
> Richard
>
>
>
> On 11/11/20 9:16 AM, Richard Duivenvoorde wrote:
> > Hi,
> >
> > Currently in my Qt build I cannot debug QGIS in qtcreator because it
> hangs/stops when showing the splash.
> > After some time the Application Output shows:
> >
> > ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [60891ms]
> [thread:0x560d9d00] 2020-11-11T08:58:15 [1] HTTP fetch
> https://feed.qgis.org/?after=1605081272=en failed with error
> Operation canceled
> > ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [0ms]
> [thread:0x560d9d00] 2020-11-11T08:58:15 Network[1] Network request
> https://feed.qgis.org/?after=1605081272=en timed out
> >
> > I am connected, and https://feed.qgis.org/?after=1605081272=en is
> available from my browser.
> >
> > Disabling: 'Show QGIS news feed on welcome page' and 'Check QGIS version
> at startup' fix this.
> >
> > Others have this issue currently?
> >
> > (I hit my head also with this sometimes when in mixed/http proxied
> environments
> > I still think we should use 'opt in' for these 'QGIS phoning home stuff'
> instead of 'opt out')
> >
> > Regards,
> >
> > Richard Duivenvoorde
> >
> > ___
> > QGIS-Developer mailing list
> > QGIS-Developer@lists.osgeo.org
> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
> >
>
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Re: [QGIS-Developer] QGIS master and 3.16 dev version crashing when opening Options dialogue

[Luigi Pirelli]

fiuu ;)

Luigi Pirelli

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On Thu, 12 Nov 2020 at 12:21, Andreas Neumann  wrote:

> Hi,
>
> I can report back that master doesn't crash any more with qt5.9.5 when
> opening the Options dialogue.
>
> I also see that it has been backported to 3.16. So I will check there as
> well.
>
> Thanks a lot to all of you - much appreciated!
>
> Andreas
>
> On 2020-11-12 10:25, Mathieu Pellerin wrote:
>
> The fix was committed hours ago :)
>
> On Thu, Nov 12, 2020 at 4:23 PM Andreas Neumann 
> wrote:
>
> Hi,
>
> Thank you Jürgen and Mathieu for your replies!
>
> Hm - but my build is from "yesterday". and the issues you mention had been
> committed about 2 weeks ago?
>
> Anyway - I am currently recompiling (with debug this time) to see if it is
> fixed. Maybe
> https://github.com/qgis/QGIS/commit/c4306e18e85145c43331fc871bfb2691dcd55505 
> will
> help, as Mathieu mentioned.
>
> I have qt 5.9.5 on this Ubuntu 18.04. i will also test on a newer machine
> on Ubuntu 20.04 and qt 5.12.8
>
> Will report back if my issues are fixed
>
> Andreas
>
> On 2020-11-12 10:12, Jürgen E. Fischer wrote:
>
> Hi Andreas,
>
> On Thu, 12. Nov 2020 at 10:01:56 +0100, Andreas Neumann wrote:
>
> Both QGIS master and recent 3.16 builds are crashing for me if I open
> the "Options" dialogue (Menu "Settings" --> "Options"). 3.14 and lower
> are fine, so not a general issue with my machine or profile.
>
>
> I remember that Richard hat a similar issue related to non-english
> languages with crash when opening the Options dialogue, but in my case
> it is all in English at the moment.
>
>
> I think this is already fixed:
>
> https://github.com/qgis/QGIS/issues/39693
> https://github.com/qgis/QGIS/issues/39725
>
>
> Jürgen
>
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Re: [QGIS-Developer] [GUI/usability] Add 'Copy Style (all)' to the layer context menu ?

[Luigi Pirelli]

+1 for me... I don't use it a lot... but when I used it I thought the same.

Luigi Pirelli

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On Thu, 5 Nov 2020 at 15:25, Richard Duivenvoorde 
wrote:

> Hi users/devs
>
> Am I the only one having troubles reaching the third context level if I
> 'just want to copy' a style from one layer to another?
> See sceenshot. To be honest I never copy *one* of the 'Style Categories'
> (should I?) I always pick 'All Style Categories'.
> To me it would be much easier to have a 'Copy Style' and 'Paste Style' in
> the first menu.
> And if that would offend people, then at least in the second menu a 'Copy
> All Style Categories' and 'Paste Style Categories' in the second one (next
> to the Copy Style/Paste Style sub menu).
>
> Is this something others would be happy with? Or NOT happy with?
> Or am I just the only one with this itch :-)
> (happy to pick this up myself)
>
> Regards,
>
> Richard Duivenvoorde
>
>
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Re: [QGIS-Developer] Processing parameterAsDate() problem

[Luigi Pirelli]

https://qgis.org/api/classQgsProcessingAlgorithm.html#ae39324c4140aa810c290acdd794c5e7f

Luigi Pirelli

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On Wed, 19 Aug 2020 at 13:28, PALMIER Patrick (Responsable de groupe) -
CEREMA/DTerNP/DATHa/MT  wrote:

>
>
> Hello,
>
> I'm using Qgis 3.1415 46bits on Windows 10 and I try to use the new
> processing parameters controls in processing algorithms
>
> I've used a QgsProcessingParameterDateTime. It wroks well. I have access
> to the calendar form
>
>
>
> *code below:  **   self.addParameter( *
> *QgsProcessingParameterDateTime(*
> *self.DEBUT_PERIODE,*
> *self.tr <http://self.tr>('Calendar start'),*
> *type=1*
>
> *)*
> *)*
>
> bus when I try to get the date chosen, I"v got the following error message
>
> Traceback (most recent call last):
> File
> "C:/Users/patrick.palmier/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\networks\import_gtfs.py",
> line 175, in processAlgorithm
> debut_periode=self.parameterAsDate(parameters,self.DEBUT_PERIODE,context)
> AttributeError: 'ImportGTFS' object has no attribute 'parameterAsDate'
>
> Échec d'exécution au bout de 0.04 secondes
>
>
> code below:
>
>
> *debut_periode=self.parameterAsDate(parameters,self.DEBUT_PERIODE,context)
> *
>
>
> Do you what is wrong?
>
>
> Thanks in advance
>
> Patrick Palmier
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Re: [QGIS-Developer] How to Access Renderer Style Info in Processing Algorithms

[Luigi Pirelli]

maybe after get it source (QgsProcessingAlgorithm.asSource =>
https://qgis.org/api/classQgsProcessingFeatureSource.html and from there
with layer name you can find registered layer that not necessarily is a
rendered layer.

Luigi Pirelli

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On Thu, 6 Aug 2020 at 18:56, C Hamilton  wrote:

> How do I access a layer's style information in the processing
> algorithm. If it was outside processing it would be layer.renderer(). As
> far as I can tell I cannot access it from a
> QgsProcessingParameterFeatureSource.
>
> Thanks,
>
> Calvin
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Re: [QGIS-Developer] Authentication system - master password

[Luigi Pirelli]

eventually you can update an old C++ plugin that manage storing master
password in your host OS wallet of Keychain
https://github.com/planetfederal/qgis-master-pass-cxxplugin

you can hire one of old devs of this plugin (mainly Alessandro Pasotti) or
ask for others to update it... was abandoned due to acquisition of the
company behind this code. Fortunately they left the old code public.

Luigi Pirelli

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On Wed, 29 Jul 2020 at 10:05, Luigi Pirelli  wrote:

> On Sat, 25 Jul 2020 at 12:36, Michał  wrote:
>
>> Hello,
>>
>> I have these questions for authentication system in QGIS on Windows 7 and
>> 10 systems:
>>
>> 1. Where directly is stored the master password ?
>>
>
>
> https://docs.qgis.org/3.10/en/docs/user_manual/auth_system/auth_overview.html#master-password
>
> is an hash of the master password stored in auth.db or externally
> in QGIS_AUTH_PASSWORD_FILE...
>
>
>>
>> 2. What is the rule of the QGIS_AUTH_PASSWORD_FILE on windows machines
>> and how to use it ?
>>
>> Regards
>> Michal
>>
>
> you can chekc all the logic in the documentation:
>
>
> https://docs.qgis.org/3.10/en/docs/user_manual/auth_system/auth_overview.html
>
> or directly reading the code of
> QgsAuthManager (https://qgis.org/api/classQgsAuthManager.html)
> and
> QgsAuthCrypto that is used to manage dehashing  and based on QCA library (
> https://qgis.org/api/classQgsAuthCrypto.html)
>
> regards
>
> Luigi Pirelli
>
>
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Re: [QGIS-Developer] Authentication system - master password

[Luigi Pirelli]

On Sat, 25 Jul 2020 at 12:36, Michał  wrote:

> Hello,
>
> I have these questions for authentication system in QGIS on Windows 7 and
> 10 systems:
>
> 1. Where directly is stored the master password ?
>

https://docs.qgis.org/3.10/en/docs/user_manual/auth_system/auth_overview.html#master-password

is an hash of the master password stored in auth.db or externally
in QGIS_AUTH_PASSWORD_FILE...


>
> 2. What is the rule of the QGIS_AUTH_PASSWORD_FILE on windows machines and
> how to use it ?
>
> Regards
> Michal
>

you can chekc all the logic in the documentation:

https://docs.qgis.org/3.10/en/docs/user_manual/auth_system/auth_overview.html

or directly reading the code of
QgsAuthManager (https://qgis.org/api/classQgsAuthManager.html)
and
QgsAuthCrypto that is used to manage dehashing  and based on QCA library (
https://qgis.org/api/classQgsAuthCrypto.html)

regards

Luigi Pirelli

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Re: [QGIS-Developer] Concerns about translations and QGIS overall credibility

[Luigi Pirelli]

As far as I know, the italian translation suffer the same problem, not
about quality, but about resources to give continuity to translation work.
Spanish community, instead, is more focused in translations (different
official languages) than in features or bugfixing.

Luigi Pirelli

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On Tue, 30 Jun 2020 at 00:20, Alexandre Neto  wrote:

> Hi,
>
> I have been looking into the Portuguese translations of the GUI and the
> Docs, and I got really scared. Many translations were done completely out
> of context, making it very hard to read or understand what was
> originally written in English, even if you are familiar with the
> terminology.
>
> I don't know how other languages are going, and if you face the same
> problems. In Portugal, we have a very small community. Because of that,
> translation efforts are not really coordinated or even reviewed in most
> cases.
>
> Now, the biggest problem is that I think this deeply affects QGIS
> credibility. When you install QGIS, it defaults to the machine's locale,
> and many users don't even know how to change it (seen it in several
> courses). This means that many people will only know the badly translated
> version of QGIS in their native language... and It looks bad.
>
> In training, people sometimes make fun of the translations. I always
> enforce the idea that the translation work is fully done by volunteers in
> their spare time, but I am afraid if for some people it just looks like the
> full application was done by volunteers and hobbyists.
>
> So, I wanted to know if more of you face the same issues. If so, would it
> be wiser to default the language always to English and let the user find
> out how to change to his language if he wants to?
>
> Thanks,
>
> Alexandre Neto
>
> PS: Sorry for the cross-posting
>
>
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Re: [QGIS-Developer] QGIS Server and the Grants programme

[Luigi Pirelli]

I'm not a backend guy nor a qgis server expert, but because years ago
involved in finding solution to grow style incompatibility among geoserver
and qgis via sld (before in Boundless end to nothing because there were any
tech solution... or I'm too tech limiteated to imagine a solution) later
adding support for sld/raster in qgis, I could say:

1) qgis server is mainly used to respect styling and avoid headaches in
converting to other style languages... and secondarily as wps engine.
2) geoserver side never considered seriously to think at qgis server as
renderer delegate... or at least was my impression with geoserver guys in
Boundless
3) There is no way to represent rich map style in a interoperability way...
sadly I agree with you, qgis is creating (yet) another de facto
style language and I'm not proud of this, but far from me to judge, I'm not
a cartographer too!
3) Style rendering is heavily moving to client side

so having this open point, I can't say what would be better or not
financing a qgis server grant... For sure would be better facilitate qgis
project style rendering in other server platforms, but the solution does
not pass using SLD!

Luigi Pirelli

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On Mon, 8 Jun 2020 at 22:43, Jonathan Moules 
wrote:

> Hi List,
> Some of you may have seen my blog post on the OSGeo-Discuss list about
> which mapping servers are the most deployed. For those who haven't seen
> it, QGIS Server has about 60 public deployments (1% of all of them), and
> it serves 11,924 datasets (0.5% of all public geospatial
> WMS/WFS/WCS/WMTS datasets).
>
> Potentially controversial here and I appreciate it's not a competition,
> but given the low uptake of QGIS Server compared to other Open Source
> offerings (GeoServer: 964 deployments, 963,603 datasets; MapServer: 544
> deployments, 389,709 datasets), is QGIS Server something the grant
> program should be funding? There are three Server proposals totalling
> €10,000, 22% of the fund.
>
> Now, before you get the pitchforks out(!), please consider the following:
>
> * Zero sum game - Any money spent on QGIS Server cannot be spent on QGIS
> Desktop. (The grants mostly aren't things that will improve the shared
> QGIS Core). (This reasoning also follows through to OSGeo funds).
>
> * Multiple solutions - Open Source (and OSGeo) already has a very
> healthy ecosystem of mapping servers - does it need another one?
>
> * Limited number of users benefited - I don't have stats for it, but
> QGIS Desktop is probably the most popular Open Source Desktop GIS, and
> is certainly going to have many orders of magnitude more users than QGIS
> Server.
>
> * Playing to your strengths - QGIS' strength is it's Desktop and it's
> generally good practice to play to your strengths.
>
>
> So given the above, and that QGIS is already "winning" as an Open Source
> Desktop (great job!), I'd like to suggest it's not a good idea to dilute
> the limited resources by spending them on QGIS Server. Instead it seems
> that far more people would benefit if that money was spent on Desktop,
> especially the bug fixing programme.
>
> Or alternatively, given the "Unique Selling Point" of QGIS Server is its
> integration with QGIS Desktop, those resources could be used to further
> improve interoperability with GeoServer/MapServer/deegree/etc. Those are
> all successful mature OSGeo projects that excel at serving maps, have an
> architecture designed for it, and already have huge install bases.
>
> TLDR: QGIS excels at being a Desktop, and I'd like to suggest it should
> play to its strengths and focus its limited funds there to benefit the
> most users.
>
> I shall now retreat to my bunker. :-)
>
> Cheers,
> Jonathan
>
> Note: The above only applies to the Grant program and funding; how
> developers wish to spend their time, and on which projects is of course
> their own prerogative.
>
> (Disclosure: I have no horse in this race; I don't run or administer any
> mapping servers, but I have done GeoServer in the past.)
>
>
>
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Re: [QGIS-Developer] QGIS / FreeCAD interoperability...

[Luigi Pirelli]

Hi Joel

Since years ago a lot of new features can support a better integration. I
did a rough investigation about integration and stopped due to the fact
that data model were (or is) too different to imagine an integration.
BTW probably now is more simple (at least from the qgis point of view)
thanks to the possibility to bridge different data models using a python
data provider [1] [2].
I would give a try/look.

cheers

Luigi Pirelli

[1] https://github.com/qgis/QGIS-Enhancement-Proposals/issues/122
[2] https://www.itopen.it/qgis-vector-data-provider-python/

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On Sat, 9 May 2020 at 05:26, Joel Graff  wrote:

> I've been a part of the FreeCAD project for the last three years or so,
> focusing on developing Civil Engineering-related functions (specifically,
> transportation engineering).  On occasion, discussions emerge regarding GIS
> integration into FreeCAD, QGIS being the natural go-to.
>
> Recently, the GIS thread on the FreeCAD forum pointed to a github issue on
> the QGIS repo about FreeCAD integration.  It was closed in late April,
> citing the developer's mailing list as the place to continue the discussion.
>
> I cite the URL below as it contains links to relevant threads on the
> FreeCAD forum:
>
> https://github.com/qgis/QGIS/issues/21623
>
> The issue was five years old and not much discussion has happened.
> Admittedly, I think it's one of those "seems like a good idea, but what can
> we really do with it?" kind of things.
>
> I'm not really posting here to start a discussion on any particular topic
> or advocate for any sort of development effort.  I'm merely bringing it to
> the developer mailing list to give it the proper exposure.
>
> That said, I should also mention that I and one other transportation
> engineering professional are actively working on developing transportation
> engineering tools for FreeCAD, specifically geomatic (survey) and highway
> alignment design tools at the moment.
>
> *Joel Graff, P.E.*
>
> *LinkedIn:* https://www.linkedin.com/in/joelcgraff
>
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[QGIS-Developer] Processing modeler way to get settings

[Luigi Pirelli]

Hi

I'm looking for a way to get qgis settings values using teh graphical
modeler, e.g. without using any python, or custom expression function.

I'm preparing a processing provider that just add some models (in the same
way as done by resource sharing plugin) and some provider specific
settings. But I can't find the way I can read this settings other that
creating a custom script.

Am I missing something?

is there a way?

Luigi Pirelli

p.s. I suppose is simple to add a new expression operator in core to add
the feature to read settings, but my target is LTR, so any new feature
can't be used.
p.p.s. or just add provider settings as new expression scope?

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Re: [QGIS-Developer] OSGeo4W Qt and OpenSSL versions

[Luigi Pirelli]

Hi Larry

Usually Jürgen attend issues or feature requests opened in the  OSGeo4W
track.

Luigi Pirelli

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On Tue, 14 Apr 2020 at 19:08, Larry Shaffer  wrote:

> Hi,
>
> Comment mostly for Jürgen (and Windows devs/users)...
>
> I recommend OSGeo4W's Qt packages be updated to 5.12.4 or latest LTR,
> specifically for this OpenSSL v1.1.1 reason:
> https://www.qt.io/blog/2019/06/17/qt-5-12-4-released-support-openssl-1-1-1
>
> I think it is a security concern to rely upon an OpenSSL version that is
> 3+ years old, as is the case with official Qt < 5.12.4 releases. For one
> example, there is no TLS 1.3 support in OpenSSL 1.0.2.
>
> Regards,
>
> Larry Shaffer
> Dakota Cartography
> Black Hills, South Dakota
>
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Re: [QGIS-Developer] Cancellation: QGIS Developer meeting and conference Nødebo

[Luigi Pirelli]

right,

if Raymond at all are still available to host the meeting in August (virus
permitting), instead waiting for the next year. I suppose it's also a way
to maintain local sponsorship (and logistic) local organisers were able to
activate.

Luigi Pirelli

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On Mon, 30 Mar 2020 at 16:34, Tim Sutton  wrote:

> Hi Luigi
>
> Do you mean to also reference the fact that Netherlands HF was cancelled?
>
> Regards
>
> Tim
>
> On 30 Mar 2020, at 15:19, Luigi Pirelli  wrote:
>
> :( so sorry
>
> could make sense to go back to Netherland?
>
> Luigi Pirelli
>
>
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>
>
> On Sat, 28 Mar 2020 at 18:09, Lene Fischer  wrote:
>
>> Dear QGIS Developer
>>  It is with great regret we have to inform: We are not able to host 25th
>> QGIS Developer meeting and conference this year in Nødebo.
>> Due to the close down at the moment, a lot of our lectures and activities
>> are postponed till August.
>>
>> Regards
>>
>>
>> Lene Fischer
>> Associate Professor
>>
>> University of Copenhagen
>> Department of Geosciences and Natural Resource Management
>> Forest and Landscape College
>> Nødebovej 77a
>> 3480 Fredensborg
>>
>> MOB +45 40115084
>> l...@ign.ku.dk
>>
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>
> —
>
>
>
>
>
>
>
>
> *Tim Sutton*
>
> *Co-founder:* Kartoza
> *Ex Project chair:* QGIS.org
>
> Visit http://kartoza.com to find out about open source:
>
> Desktop GIS programming services
> Geospatial web development
> GIS Training
> Consulting Services
>
> *Skype*: timlinux
> *IRC:* timlinux on #qgis at freenode.net
>
> I'd love to connect. Here's my calendar link
> <https://calendly.com/timlinux> to make finding time easy.
>
>
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Re: [QGIS-Developer] Cancellation: QGIS Developer meeting and conference Nødebo

[Luigi Pirelli]

:( so sorry

could make sense to go back to Netherland?

Luigi Pirelli

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On Sat, 28 Mar 2020 at 18:09, Lene Fischer  wrote:

> Dear QGIS Developer
>  It is with great regret we have to inform: We are not able to host 25th
> QGIS Developer meeting and conference this year in Nødebo.
> Due to the close down at the moment, a lot of our lectures and activities
> are postponed till August.
>
> Regards
>
>
> Lene Fischer
> Associate Professor
>
> University of Copenhagen
> Department of Geosciences and Natural Resource Management
> Forest and Landscape College
> Nødebovej 77a
> 3480 Fredensborg
>
> MOB +45 40115084
> l...@ign.ku.dk
>
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Re: [QGIS-Developer] QGIS Georeferencer improvements

[Luigi Pirelli]

inline

On Fri, 13 Mar 2020 at 16:13, Martin Dobias  wrote:

>
> 1. Georeferencer opens in a new window. In order to see the main map
> canvas and the georeferenced layer side by side, it is necessary to do
> some resizing of windows which is inconvenient. It would be maybe more
> practical to have the georeferenced image in a dock widget in the main
> window - and all georeferencer related map tools included in the main
> QGIS window as well. (Or maybe the other way around - to keep
> georeferencer as a separate window, but allow the main map canvas to
> be embedded in it?)
>

se j rectifier plugin

>
> 2. Georeferencer is a plugin. Its core/gui functionality cannot be
> reused elsewhere. It would be useful to have some Processing
> algorithms to load/save GCPs, to extract GCPs to raster images, to
> save GCPs to raster images and to warp imagery according to GCPs (and
> chosen transformation method).
>

yes please


>
> 3. Georeferencer does not allow live preview of how the georeferenced
> raster image would end up looking on the map - user is required to
> write warped image to disk as a new file and only then see the
> results. It should be possible to use the estimated transformation
> based on GCPs and show the layer in the main map canvas any time (if
> wanted).
>

see j rectifier plugin

4. It uses a combination of GDAL-based transformation methods
> (Polynomial of 1st/2nd/3rd order, thin plate spline) and some of its
> own (Helmert, Projective), for which it also requires GSL library as a
> dependency. In my opinion, QGIS georeferencer should leave all the
> math to GDAL which does a great job there. Moreover, I have some
> doubts about the methods that do not come from GDAL: the “Helmert”
> method is simply 2D affine transform (offset+scale+angle), while true
> Helmert transformation is 3D transformation with 7 parameters. Do we
> need it if GDAL’s 1st order polynomial transformation should do just
> that? And the “Projective” method which is a bit of a mystery to me.
> First of all, I am not sure in what situation it is useful and the
> documentation only says it is “a linear rotation and translation of
> coordinates” - which is a bit vague. It looks like a subset of RPC
> method supported by GDAL (although GDAL does not have estimation of
> RPC coefficients). Overall I would be for removal of these methods and
> stick to what GDAL offers.
>

+1 to all in gdal... btw seems gdal has some hidden or poorly documented
features. e.g geoid and gcp seems (form documentation) mutually exclusive,
but they are not (reading the code) and can be combined to reach better
accuracy.

Regards
> Martin
>

cheers

Luigi Pirelli

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Re: [QGIS-Developer] QGIS Georeferencer improvements

[Luigi Pirelli]

Hi Martin

this was one element in my todo list months ago.
In some automatic processing workflow, sometimes is necessary to give a
straightforward interactive tool to facilitate rectification when
polinomial parameters are not enough to reach precision... fortunately,
struggling with gdal code, I reached enough precision 1.5m (for our
application) on WorldView images.

BTW in case wouldn't be enough, I provided a custom and simplified QGIS to
go straightforward to create GCPs.

A better approach I found, but not ported to 3.x, is the use of "J
Rectifier" [1] plugin. This plugin theoretically reorganise de GUI to allo
live georeferencing that facilitating a lot the work. The main problem to
port to 3.x is that have to be redesigned from scratch, having one big
class doing all!
IMHO from this plugin we can get some interesting ideas how to facilitate
the user interaction.

Luigi Pirelli

[1]  https://plugins.qgis.org/plugins/J_Rectifier/

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On Fri, 13 Mar 2020 at 16:13, Martin Dobias  wrote:

> Hi all
>
> There has been some interest from a client to improve the
> georeferencer in QGIS to better suit their needs, mainly to support
> their workflow where they commonly georeference multiple raster images
> at the same time. So for example you pick a single ground control
> point (GCP) with XY(Z) map coordinates and in multiple images you
> would visually pick where that point is located in image coordinates.
> Ideally you want to see side-by-side the main map canvas and images
> you are georeferencing.
>
> With this kind of change, it is maybe a good time to have a look at
> what are the other issues with the georeferencer and address them as
> well. The budget is limited (as usual), so I cannot promise that
> anything mentioned in this thread would get implemented, but I am sure
> there are people around who have some ideas what could be improved. At
> some point later I would like to prepare a QEP that will be hopefully
> in line with the discussion here.
>
> Let me start with a list of current issues I see with georeferencer in
> addition to the lack of georeferencing of multiple images at once. The
> following is a mixture of UI/UX and technical bits:
>
> 1. Georeferencer opens in a new window. In order to see the main map
> canvas and the georeferenced layer side by side, it is necessary to do
> some resizing of windows which is inconvenient. It would be maybe more
> practical to have the georeferenced image in a dock widget in the main
> window - and all georeferencer related map tools included in the main
> QGIS window as well. (Or maybe the other way around - to keep
> georeferencer as a separate window, but allow the main map canvas to
> be embedded in it?)
>
> 2. Georeferencer is a plugin. Its core/gui functionality cannot be
> reused elsewhere. It would be useful to have some Processing
> algorithms to load/save GCPs, to extract GCPs to raster images, to
> save GCPs to raster images and to warp imagery according to GCPs (and
> chosen transformation method).
>
> 3. Georeferencer does not allow live preview of how the georeferenced
> raster image would end up looking on the map - user is required to
> write warped image to disk as a new file and only then see the
> results. It should be possible to use the estimated transformation
> based on GCPs and show the layer in the main map canvas any time (if
> wanted).
>
> 4. It uses a combination of GDAL-based transformation methods
> (Polynomial of 1st/2nd/3rd order, thin plate spline) and some of its
> own (Helmert, Projective), for which it also requires GSL library as a
> dependency. In my opinion, QGIS georeferencer should leave all the
> math to GDAL which does a great job there. Moreover, I have some
> doubts about the methods that do not come from GDAL: the “Helmert”
> method is simply 2D affine transform (offset+scale+angle), while true
> Helmert transformation is 3D transformation with 7 parameters. Do we
> need it if GDAL’s 1st order polynomial transformation should do just
> that? And the “Projective” method which is a bit of a mystery to me.
> First of all, I am not sure in what situation it is useful and the
> documentation only says it is “a linear rotation and translation of
> coordinates” - which is a bit vague

Re: [QGIS-Developer] Explicit policy re bug fixing responsibilities after new features

[Luigi Pirelli]

I think it's a great idea... just to give an example...

I've the responsibility to do some maintenance work or refactoring of the
raster calculator I reintroduced in processing times ago.
Now that I've a complete hackmeeting organised only for me I can (try to)
do it ;)

cheers

Luigi Pirelli

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On Tue, 10 Mar 2020 at 11:31, Régis Haubourg 
wrote:

> Hi Nyall,
> this sounds reasonable indeed, can we have a bit more background or
> pointers to real cases?
> One issue we faced these past months is that he exponential trafic on the
> issues and PR makes it harder to follow issues and just have the
> information that we could possibly be at stake somewhere.
> Last year I was able to follow +/- 80 % of the discussions. I must admit
> that lastly it became nearly impossible unless to work mostly on QGIS bug
> triaging or coding.
>
> I really don't know how we could improve our communication channels. Any
> hint welcome.
>
> Best regards
> Régis
>
> Le lun. 9 mars 2020 à 23:14, Nyall Dawson  a
> écrit :
>
>> Hi list,
>>
>> I'm after feedback on whether or not others think an explicit
>> policy/contract regarding bug fixing responsibilities for new features
>> is a good idea or not.
>>
>> I would like to see something like this added to the developer guidelines:
>>
>> "Following any new feature development, it is the original developer's
>> (or organisations) SOLE responsibility to implement bug fixes relating
>> to the new feature (or regressions to other parts of QGIS which have
>> resulted from its development). This extends up to the next major QGIS
>> release following the feature being merged*. It is NOT acceptable to
>> use QGIS.org sponsored bug fixing efforts to implement these fixes.
>> Failure to provide fixes to all reasonable bug reports raised for a
>> new feature may lead to that feature being reverted prior to release."
>>
>> *i.e. currently 3.14
>>
>> Personally, I think having this as part of our developer agreement
>> would help clear up some ambiguity and source of frustration/conflict
>> between developers.
>>
>> Thoughts?
>>
>> Nyall
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Re: [QGIS-Developer] Storing topology information in a vector layer (format)?

[Luigi Pirelli]

Grass and postgis support topology, you can use qgis a front-end for them.

On Saturday, 7 March 2020, Stefan Keller  wrote:

> Hi,
>
> This is about processing either an area mesh (tesselation) layer. Area
> meshes are topological structures and issue is that most spatial data
> formats - other than TopoJSON and E00 - are non-topological.
>
> This in means, that a data reader has to infer the topology from
> geometry (which requires exponential computing time), and even worse,
> that potentially there are topological errors (like gaps,
> overlaps/slivers). The built-in "Topology Checker Plugin" of QGIS [1]
> does the validation preprocessing step.
>
> Are there any ideas to store topology in a polygon vector layer (e.g.
> as array of features IDs to reference polygon neighbors), so a reader
> (a PyQGIS function/extension) doesn't have to rebuild the topology
> every time?
>
> :Stefan
>
> [1] https://docs.qgis.org/3.4/en/docs/user_manual/plugins/core_
> plugins/plugins_topology_checker.html
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Re: [QGIS-Developer] Reporting security related issues ?

[Luigi Pirelli]

Hi Richard,

please may you add me too?

tnx

Luigi Pirelli

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On Wed, 12 Feb 2020 at 13:19, Richard Duivenvoorde 
wrote:

> FYI: I've just created an email(group) address for this:
>
> secur...@qgis.org
>
> Emails to that address will be forwarded to PSC members and members of
> admin-group.
>
> If individuals/core-members want to be added, please let me know so I
> can add you to that group.
>
> Regards,
>
> Richard Duivenvoorde
>
> On 12/02/2020 09.00, Paolo Cavallini wrote:
> > Hi,
> > generally here. If you think it is a grave vulnerability you can send it
> > privately to any PSC member or major QGIS developer (you can check on
> > GitHub for recent activity).
> > Thanks!
> >
> > Il 11/02/20 19:56, security minded ha scritto:
> >> Hello,
> >>
> >> What is the best way to report security issues affecting QGIS ?
> >>
> >> Thanks
> >>
> >> OSSSecurityMinded
> >>
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Re: [QGIS-Developer] Raster calculator turns lowest row of pixels into nodata

[Luigi Pirelli]

che you check master version, AFAIR, alessandro pasotti fixed this basing
on a issue report by Jorge Rocha

Luigi Pirelli

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On Tue, 11 Feb 2020 at 08:41, Rahkonen Jukka (MML) <
jukka.rahko...@maanmittauslaitos.fi> wrote:

> Hi,
>
>
>
> See
> https://gis.stackexchange.com/questions/349531/qgis-zonal-statistics-and-no-data/349559
>
>
>
> It seems that raster calculator turns the lowest pixel row of the image
> that covers the whole world in EPSG:4326 into nodata with value -3.4e+38
> which gives troubles afterwards. The original image does not have nodata at
> all and all pixels in the lowest row have value 0.
>
>
>
> -Jukka Rahkonen-
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Re: [QGIS-Developer] Fwd: Urgent: Remove windows 3.10.2 installer from site

[Luigi Pirelli]

do we need a mechanism to notify and deprecate 3.10.2 in case packages are
still available all around?

Luigi Pirelli

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On Wed, 22 Jan 2020 at 12:47, Matthias Kuhn  wrote:

> How about
>
> - Waiting for https://github.com/qgis/QGIS/pull/33971
>
> - Releasing 3.10.3
>
> - Announce on twitter, blog, news panel
>
> Clear cut for everyone (including those 95% of our users not following
> [qgis on] twitter)
>
> Matthias
> On 1/22/20 12:39 PM, Anita Graser wrote:
>
> Is it time to send an update on Twitter yet? I don't see new installers at
> https://qgis.org/downloads/
>
> Regards,
> Anita
>
> On Wed, Jan 22, 2020 at 11:08 AM Mathieu Pellerin 
> wrote:
>
>> I think the QGIS twitter account already mentioned that the 3.10.2
>> installer had been retired due to issues and re-build.
>>
>> On Wed, Jan 22, 2020 at 5:07 PM DelazJ  wrote:
>>
>>> Hi all,
>>>
>>> Thanks Mathieu. Should it be 3.10.2 or 3.10.3? Asking because those who
>>> have already downloaded the broken 3.10.2 may not think to update.
>>>
>>> Regards,
>>> Harrissou
>>>
>>> Le mer. 22 janv. 2020 à 11:05, Mathieu Pellerin 
>>> a écrit :
>>>
>>>> Matthias,
>>>>
>>>> Good idea.
>>>>
>>>> Math
>>>>
>>>> On Wed, Jan 22, 2020 at 5:02 PM Matthias Kuhn 
>>>> wrote:
>>>>
>>>>> Hi Mathieu,
>>>>>
>>>>> Thanks a lot. It reads very well!
>>>>>
>>>>> Something that I'd like to add is that in case of still finding a bug,
>>>>> users should file issues and to mention proximity of LTR replacement.
>>>>> If you still happen to find QGIS behaving in an unexpected way, please
>>>>> let us know on https://github.com/qgis/QGIS/issues
>>>>> <https://www.google.com/url?q=https://github.com/qgis/QGIS/issues=D=hangouts=1579773605204000=AFQjCNHP21SO7MPYwrn023vHOeZwMUBKuQ>
>>>>> as always. We are very happy that QGIS 3.10 is now in shape to replace 3.4
>>>>> as LTR in a month time.
>>>>>
>>>>> Bests
>>>>> Matthias
>>>>>
>>>>>
>>>>> On 1/22/20 10:58 AM, Mathieu Pellerin wrote:
>>>>>
>>>>> Paolo, here's the draft blog post:
>>>>>
>>>>> *Public Service Announcement: Update to the latest point release now*
>>>>> --
>>>>> QGIS users who have adopted the 3.10 version when initially released
>>>>> at the end of October 2019 have likely noticed a sharp drop in 
>>>>> reliability.
>>>>> The underlying issues have now been addressed in 3.10.2, all users are
>>>>> advised to update *now*.
>>>>>
>>>>> When QGIS 3.10 was first released in the end of October 2019, a pair
>>>>> of libraries – namely GDAL and PROJ – were updated to their 
>>>>> next-generation
>>>>> versions. The advantages are plenty: GeoPDF export[1] support, more
>>>>> accurate coordinate transformation, etc. For those interested, more
>>>>> technical information on this is available here[2].
>>>>>
>>>>> The update of these crucial libraries led to a number of regressions.
>>>>> While we expected some issues to arise, the seriousness of the disruption
>>>>> caught us off guard. Yet, it was also somewhat inevitable: QGIS is the
>>>>> first large GIS project to expose these next-generation libraries to the
>>>>> masses. The large number of QGIS users across the globe were essentially
>>>>> stress testing both new code within QGIS as well as the libraries
>>>>> themselves.
>>>>>
>>>>> Thanks to dedicated users taking time to file in report and the
>>>>> community helping out as well as our project sponsors for allowing us to
>>>>> fund development time, developers have been able to fix all know

Re: [QGIS-Developer] Fwd: Urgent: Remove windows 3.10.2 installer from site

[Luigi Pirelli]

+1 to mathias proposal

Luigi Pirelli

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On Wed, 22 Jan 2020 at 12:47, Matthias Kuhn  wrote:

> How about
>
> - Waiting for https://github.com/qgis/QGIS/pull/33971
>
> - Releasing 3.10.3
>
> - Announce on twitter, blog, news panel
>
> Clear cut for everyone (including those 95% of our users not following
> [qgis on] twitter)
>
> Matthias
> On 1/22/20 12:39 PM, Anita Graser wrote:
>
> Is it time to send an update on Twitter yet? I don't see new installers at
> https://qgis.org/downloads/
>
> Regards,
> Anita
>
> On Wed, Jan 22, 2020 at 11:08 AM Mathieu Pellerin 
> wrote:
>
>> I think the QGIS twitter account already mentioned that the 3.10.2
>> installer had been retired due to issues and re-build.
>>
>> On Wed, Jan 22, 2020 at 5:07 PM DelazJ  wrote:
>>
>>> Hi all,
>>>
>>> Thanks Mathieu. Should it be 3.10.2 or 3.10.3? Asking because those who
>>> have already downloaded the broken 3.10.2 may not think to update.
>>>
>>> Regards,
>>> Harrissou
>>>
>>> Le mer. 22 janv. 2020 à 11:05, Mathieu Pellerin 
>>> a écrit :
>>>
>>>> Matthias,
>>>>
>>>> Good idea.
>>>>
>>>> Math
>>>>
>>>> On Wed, Jan 22, 2020 at 5:02 PM Matthias Kuhn 
>>>> wrote:
>>>>
>>>>> Hi Mathieu,
>>>>>
>>>>> Thanks a lot. It reads very well!
>>>>>
>>>>> Something that I'd like to add is that in case of still finding a bug,
>>>>> users should file issues and to mention proximity of LTR replacement.
>>>>> If you still happen to find QGIS behaving in an unexpected way, please
>>>>> let us know on https://github.com/qgis/QGIS/issues
>>>>> <https://www.google.com/url?q=https://github.com/qgis/QGIS/issues=D=hangouts=1579773605204000=AFQjCNHP21SO7MPYwrn023vHOeZwMUBKuQ>
>>>>> as always. We are very happy that QGIS 3.10 is now in shape to replace 3.4
>>>>> as LTR in a month time.
>>>>>
>>>>> Bests
>>>>> Matthias
>>>>>
>>>>>
>>>>> On 1/22/20 10:58 AM, Mathieu Pellerin wrote:
>>>>>
>>>>> Paolo, here's the draft blog post:
>>>>>
>>>>> *Public Service Announcement: Update to the latest point release now*
>>>>> --
>>>>> QGIS users who have adopted the 3.10 version when initially released
>>>>> at the end of October 2019 have likely noticed a sharp drop in 
>>>>> reliability.
>>>>> The underlying issues have now been addressed in 3.10.2, all users are
>>>>> advised to update *now*.
>>>>>
>>>>> When QGIS 3.10 was first released in the end of October 2019, a pair
>>>>> of libraries – namely GDAL and PROJ – were updated to their 
>>>>> next-generation
>>>>> versions. The advantages are plenty: GeoPDF export[1] support, more
>>>>> accurate coordinate transformation, etc. For those interested, more
>>>>> technical information on this is available here[2].
>>>>>
>>>>> The update of these crucial libraries led to a number of regressions.
>>>>> While we expected some issues to arise, the seriousness of the disruption
>>>>> caught us off guard. Yet, it was also somewhat inevitable: QGIS is the
>>>>> first large GIS project to expose these next-generation libraries to the
>>>>> masses. The large number of QGIS users across the globe were essentially
>>>>> stress testing both new code within QGIS as well as the libraries
>>>>> themselves.
>>>>>
>>>>> Thanks to dedicated users taking time to file in report and the
>>>>> community helping out as well as our project sponsors for allowing us to
>>>>> fund development time, developers have been able to fix all known
>>>>> regressions in both in QGIS as well as underlying GDAL and 

Re: [QGIS-Developer] Multiprocessing qgis console

[Luigi Pirelli]

Not yet... but consider that GUI works in the main thread => if you need to
post messages in the console you should need to create producer/consumer
queues (see use of Queue module).
I would suggest to simplify everything using QgsTask.

cheers

Luigi Pirelli

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On Wed, 11 Dec 2019 at 08:33, Shane Carey  wrote:

> Hi,
>
> Has anyone to successfully setup multiprocessing through the the qgis
> console?
> Thanks
> --
> Le gach dea ghui,
> *Shane Carey*
> *GIS and Data Solutions Consultant*
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Re: [QGIS-Developer] Instalacion de Qgis en Rhel 7 u 8

[Luigi Pirelli]

Hi Fabian

this is a english speaking mailing list!

btw if you need latest stuffs you shouldn't use redhat that is a
conservative (certified oriented) distribution. BUT you can override the
problem running qgis ina docker container. RedHat should have docker...
then just do:
docker pull qgis:qgis:latest (or whatever version).
Tha fact that qgis on docker is based on ubuntu does not means that it does
not work on redhat... ubuntu is only the container context in which qgis is
running.

If you need more spanish speaking support you can check mailing list of
telegram group... look for info here: http://qgis.es/ or the mexican group
and so on...

regards

Luigi Pirelli

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On Tue, 26 Nov 2019 at 22:06, Fabian Jimenez 
wrote:

> Actualmente cuento con Qgis 2.14.1 en un servidor Linux RedHat 7.3, sin
> embargo, no he podido hacer el upgrade a 3.x por medio de rpm o hacer la
> instalacion inicial por este mismo medio, ya que marca dependencias
> infinitas que aun teniendolos en un repositorio local, me sigue marcando el
> error.
>
> Tendra algun repositorio para la version Qgis 3.x o alguna documentacion
> donde me pueda basar para hacer dicha instalacion.?
>
> Por otro lado, es posible instalar la version 3.10 en un servidor RedHat
> 7.??
>
> He visto docker con Qgis, sin embargo, estos estan basados en Ubuntu,
> existe un Docker de qgis 3.x para RedHat .?
>
> De antemano muchas gracias.
>
> *Ing. Federico Fabián Jiménez Esparza*
>
>
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Re: [QGIS-Developer] Upgrading an old plugin

[Luigi Pirelli]

go ahead! your are doing all the correct steps... thanks to take care of it
(if the author is nto available... and seems almost disappeared)

Luigi Pirelli

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On Thu, 10 Oct 2019 at 23:36,  wrote:

> Hi all,
>
>
>
> I’ve noticed that the Multiple Layer Selection plugin (
> http://plugins.qgis.org/plugins/MultipleLayerSelection/) is not available
> for QGIS 3. I was beginning to work on converting it over from QGIS 2 to
> QGIS 3, but thought I would reach out to the development community on how
> best to do this. I’m not sure if the author/maintainer(s) are around
> anymore and I’ve noticed that the plugin’s repository (
> http://hub.qgis.org/projects/multilayerselect) no longer exists. So, I
> wasn’t sure how to proceed with forking/updating/maintaining/etc. Some
> guidance would be helpful. Thanks.
>
>
>
> --
>
> James
>
>
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Re: [QGIS-Developer] Including libraries issue (Trying to get Plugin Approval)

[Luigi Pirelli]

IMHO can be approved, there is no binary inside and all is pure python (no
binary at all)! I would only suggest to add pythonpath to use that
library only when necessary to avoid to interfere with distributed pillow
of pyqtchart (if will be available)

I can't see reasons to avoid merge, there are already many library packaged
in plugins to manage dependency. Usually including official weels instead
of replicating all the libs, but I can't see problem to customise (for any
reason) a third party library.

Luigi Pirelli

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On Thu, 10 Oct 2019 at 19:41, Matheus Fillipe 
wrote:

> Hello everyone!
>
> First of all I am not  sure if this is the right place to talk about this
> so excuse me in that case.
> I am a civil engineering student from a Brazilian university (UFV) and
> I've been working on a scholarship project of developing a Qgis plugin
> geometric road design, which will be also my graduation thesis. I am
> actually just in charge of continuing this project and trying to finish it
> since it started in qgis 2.x times. The project resides here:
> https://github.com/matheusfillipe/Topografia
> <https://link.getmailspring.com/link/59f3dfaa-bab7-4b3a-86a6-5eaddf64e...@getmailspring.com/0?redirect=https%3A%2F%2Fgithub.com%2Fmatheusfillipe%2FTopografia=cWdpcy1kZXZlbG9wZXJAbGlzdHMub3NnZW8ub3Jn>
>
> It is basically a tool to segment line layers, convert them to tables,
> creating circular and spiral curves over those layers, computing elevations
> over those points, defining cross sections and then computing volumes.  I
> thought it would be nice to have it on a easier to install way for the
> students on my university that's why I wanted it on the repo. Maybe I am
> wrong about that and that's not the focus of the main qgis plugin repo, I
> would be open to suggested alternatives if that's the case.
>
> The problem was that I used two libraries, PIL (Pillow, which is used as a
> fallback) and my own slightly modified fork of Pyqtgraph, which seems to be
> an issue for plugin approval:
> https://github.com/matheusfillipe/Topografia/issues/3
> <https://link.getmailspring.com/link/59f3dfaa-bab7-4b3a-86a6-5eaddf64e...@getmailspring.com/1?redirect=https%3A%2F%2Fgithub.com%2Fmatheusfillipe%2FTopografia%2Fissues%2F3=cWdpcy1kZXZlbG9wZXJAbGlzdHMub3NnZW8ub3Jn>
> I could  still remove PIllow but I wont have enough time for working in a
> way to use the standard PyQtGraph since my scholarship is over and that
> part of the project is finished. As I said in the issue report I didn't see
> nothing against using libraries in the plugins page of Qgis if that's
> allowed by their respective license and PyQtGraph is MIT.
>
> Anyway, my goal with this message is just to clarify if having this plugin
> on the standard qgis  repository is possible and what is it lacking.
> Thanks in advance!
> [image: Sent from Mailspring]
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Re: [QGIS-Developer] OGC API Features provider

[Luigi Pirelli]

and this https://github.com/qgis/QGIS/pull/10016

Luigi Pirelli

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On Mon, 23 Sep 2019 at 22:22, Luigi Pirelli  wrote:

> should have relation with this?
> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/144
>
> Luigi Pirelli
>
>
> **
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> * Hire a team: http://www.qcooperative.net
>
> **
>
>
> On Mon, 23 Sep 2019 at 20:52, Even Rouault 
> wrote:
>
>> Hi,
>>
>> Just a quick note to mention, to avoid any potential duplication of work
>> if
>> someone else is about to do that, that in the coming weeks I'll work on
>> adding
>> support for "OGC API - Features" (previously known as WFS3) on the client
>> side, now that it is about to be finalized to its 1.0 version.
>>
>> My initial thought would tend towards to try to add it into the existing
>> WFS
>> provider. From a UI perspective, I've got some feedback that it would
>> probably
>> be best to access it through the existing WFS entry to avoid cluttering
>> the UI
>> with a new provider.
>> On the code level, the choice between having a dedicated provider or
>> adding
>> functionnality in the existing WFS one is not so obvious.
>> Technologically,
>> there is little in common between traditional WFS ( XML & GML based, KVP
>> based
>> requests ), and OAPI-F (my own acronym for OGC API - Features) (JSON &
>> GeoJSON
>> based, with a linking approach). But the WFS provider has something which
>> is
>> quite useful for the OAPI-F context, which is the local Spatialite-based
>> cache
>> & the background download capability. Extracting that from the WFS
>> provider
>> and be generic enough for multiple providers could be quite involved.
>>
>> Opinions about above directions welcome.
>>
>> Even
>>
>> --
>> Spatialys - Geospatial professional services
>> http://www.spatialys.com
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Re: [QGIS-Developer] OGC API Features provider

[Luigi Pirelli]

should have relation with this?
https://github.com/qgis/QGIS-Enhancement-Proposals/issues/144

Luigi Pirelli

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On Mon, 23 Sep 2019 at 20:52, Even Rouault 
wrote:

> Hi,
>
> Just a quick note to mention, to avoid any potential duplication of work
> if
> someone else is about to do that, that in the coming weeks I'll work on
> adding
> support for "OGC API - Features" (previously known as WFS3) on the client
> side, now that it is about to be finalized to its 1.0 version.
>
> My initial thought would tend towards to try to add it into the existing
> WFS
> provider. From a UI perspective, I've got some feedback that it would
> probably
> be best to access it through the existing WFS entry to avoid cluttering
> the UI
> with a new provider.
> On the code level, the choice between having a dedicated provider or
> adding
> functionnality in the existing WFS one is not so obvious. Technologically,
> there is little in common between traditional WFS ( XML & GML based, KVP
> based
> requests ), and OAPI-F (my own acronym for OGC API - Features) (JSON &
> GeoJSON
> based, with a linking approach). But the WFS provider has something which
> is
> quite useful for the OAPI-F context, which is the local Spatialite-based
> cache
> & the background download capability. Extracting that from the WFS
> provider
> and be generic enough for multiple providers could be quite involved.
>
> Opinions about above directions welcome.
>
> Even
>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com
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Re: [QGIS-Developer] Running vs triggering/opening a custom process via Python

[Luigi Pirelli]

you can get the dialog of the processing algorithm you want and use that...
hereafter a snippet

dialog = processing.createAlgorithmDialog("model:AjustarRasterGCP",
 {'puntosgcp':zeroDeltaHeighPoints,
 'rastermdsuav':'', 'rastermdtlidar':'',
  'grass7:r.mapcalc.simple_1:Raster MDS_UAV
Ajustado':QgsProcessing.TEMPORARY_OUTPUT,
'saga:thinplatesplinetin_1:ErrorSurface':QgsProcessing.TEMPORARY_OUTPUT})
   dialog.show()


Luigi Pirelli

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On Thu, 19 Sep 2019 at 12:49, Paul Wittle 
wrote:

> Hi,
>
> Sorry if this is a bit of a simple question.
>
> I have created a script in the processing toolbox and it opens a dialogue
> box when you double click on it (as you would expect). Given that many
> users may not understand or even open the processing toolbox I want to
> trigger the script using a button in my custom plugin.
>
> I know you can use processing.run(script/model, parameters) but I don't
> know the parameters and I don't want to recreate the dialogue box in my
> plugin.
>
> Is there a python command to simply trigger/open a process to run
> (replicate clicking on it in the toolbox)?
>
> Thanks,
> Paul
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Re: [QGIS-Developer] QGIS desktop WMS contextual legend is broken?

[Luigi Pirelli]

I'm not sure I imprelented this for Regione Toscana many years ago... in
2.x code before legend refractory. There a combination of
getLegendGraphic + BBOX supported by server side serving the correct legend
image. But probably code is radically changed in that part, mainly due to
legend refractory. I would look for getLegendGraphic keyword.

The expected behaviour was to retrieve the legend image if BBOX changed
modifing it in the legend panel.

cheers

Luigi Pirelli

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On Wed, 18 Sep 2019 at 08:02, Alessandro Pasotti  wrote:

> Hi,
>
> I'm testing the WMS contextual legend feature in QGIS client and -
> supposing that the expected behavior is that when zooming and panning the
> canvas the legend should be reloaded to only show items related to what's
> in the canvas (that I'm not 100% sure it is) - I cannot make it work, I
> didn't find anything in the source code that perform this action.
>
> Does anyone knows what's the expected beavior is and how it is supposed to
> work?
>
> Thanks.
>
> --
> Alessandro Pasotti
> w3:   www.itopen.it
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Re: [QGIS-Developer] upload non-english plugin into official repository

[Luigi Pirelli]

IMHO is enough

Luigi Pirelli

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On Fri, 13 Sep 2019 at 08:35, Matthias Kuhn  wrote:

> Is an English description in the repository sufficient?
>
> The reason I'm asking is that we are currently developing a localized
> plugin and it would be nice to show the localized description in the plugin
> manager, so our "localized" users get the information in their preferred
> language (and I don't think we can provide translated plugin descriptions?).
>
> Thanks for clarification
>
> Matthias
> On 9/13/19 8:22 AM, Paolo Cavallini wrote:
>
> Asking, not necessarily obtaining. Unfortunately managing hundreds of
> plugins takes a lot of my spare time, so something falls into the cracks.
> Thanks for noticing, could you please open a ticket?
> Cheers.
>
> On 13 September 2019 07:44:36 CEST, Alexander Bruy
>   wrote:
>>
>> чт, 12 вер. 2019 о 19:12 Paolo Cavallini  
>>  пише:
>>>
>>> What we are always asking is at least an English description, to allow
>>> users to decide whether a plugin could fit their needs, or perhaps is
>>> worth investigating the code for a similar problem.
>>
>>
>> This is not true, see for example http://plugins.qgis.org/plugins/inspireNL/.
>> Both description and about are non English as well as UI, but plugin was
>> approved years ago and new versions still get approval.
>>
>>
>>
> --
> Sorry for being short
>
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Re: [QGIS-Developer] GSoC QGIS 3D Improvement: Week 13 / Last Report

[Luigi Pirelli]

Fantastic work Ismail!

On Sunday, 25 August 2019, Ismail Sunni  wrote:

> Dear QGIS developers,
>
> Here is my 13th-week report for my GSoC Project [10]. You can also check
> the project wiki page [2]. Comments and suggestions are welcome :)
>
> GSoC QGIS 3D Improvement Week 13 Report
>
> *Period*: 19 August 2019 - 25 August 2019
>
> *Report*
> 1. What did I complete this week?
>- Address selected symbol's color set to black
>- Address symbol's size issue
>- Write a unit test for the billboard rendering
>- Submit PR for the billboard [4]
>- Address the PR review
>- Prepare video for the final report [7] [8] [9]
>- Prepare the final report [6]
>- Fix bug in measurement line's opacity [5]
> 2. What am I going to achieve for next week?
>- Finalize final report
>- Fill the final evaluation
> 3. Is there any blocking issue?
>- N/A
> 4. Code
>- Branch for billboard feature [1]
>- Repo for QT C++ billboard [3]
> 5. Misc
>- I attended the QGIS Contributor Meeting in Bucharest, a good way to
> do last push for the project
>
> *References*
> - [1] https://github.com/ismailsunni/QGIS/tree/billboard
> - [2] Project Wiki: https://github.com/ismailsunni/QGIS/wiki/GSoC-
> 2019---QGIS-3D-Improvement
> - [3] https://github.com/ismailsunni/qt3d-custom-shader
> - [4] https://github.com/qgis/QGIS/pull/31308
> - [5] https://github.com/qgis/QGIS/pull/31388
> - [6] Final report: https://ismailsunni.github.io/GSoC-2019/
> - [7] Video for 3D On-Screen Navigation: https://www.youtube.com/watch?
> v=jp197BEymks
> - [8] Video for 3D Measurement Tool: https://www.youtube.com/watch?
> v=gW0xu595HKA
> - [9] Video for Billboard Rendering for Point:
> https://www.youtube.com/watch?v=_iCPqcXWxk0
> - [10] https://github.com/ismailsunni/QGIS/wiki/Week-13-Report
>
> Best Regards
> --
> Ismail Sunni
> ismailsunni.wordpress.com
>


-- 

Luigi Pirelli

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Re: [QGIS-Developer] Dropping the extra label placement algorithms?

[Luigi Pirelli]

Hi Nyall

"Ok, we've hit a stalemate then. I was hoping to drop the additional
algorithms..." please remove. Try and error without a good statistic or
collection of maps where these options can do the difference IMHO is not
strong enough respect cleaning code and void bug fixing.

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On Tue, 6 Aug 2019 at 06:03, Nyall Dawson  wrote:

> On Mon, 29 Jul 2019 at 17:33, Carlo A. Bertelli (Charta s.r.l.)
>  wrote:
> >
> > Yes, if you consider trial and error a mindful method, I "use" label
> placement algorithms when preparing a cartographic layout for printing.
> > I mainly work on geographic data and web output, so it's not frequent
> and I follow the easy and dumb way: I swap algorithms, hoping for a result
> that solves cluttering in the worst spots, until it fits – usually it fits
> here and it's out of order elsewhere...
> > I generally criticise this approach, but when looking for a good
> appearance, it seems bearable. Yes, I would need some more information to
> do a better work. As already said, I think this is a cartographic issue
> that can get more benefits by a better GIS approach. Label positioning is
> not "substantial" but can exploit proper data. Say population for a
> populated place. Using these algorithms on top of geometric-only data gives
> little more than casual results.
> > I had the opportunity to weight the theory behind these methods starting
> from the obituary of Mitchell Jay Feigenbaum by Maurizio Codogno on
> ilPost.it that referenced the New York Times:
> https://www.nytimes.com/2019/07/18/science/mitchell-feigenbaum-dead.html.
> Looking to further developments, I think there is not a "best" algorithm,
> but that it's useful to keep alternatives. I doubt the algorithms could
> really work well without an interface that can reach useful data, but
>
> Ok, we've hit a stalemate then. I was hoping to drop the additional
> algorithms to allow some desirable new features like avoiding
> duplicate text labels within xxx mm of others (e.g. avoiding too many
> labels for dual-carriage highways), and use that some logic to start
> implementing things like automatically abbreviated label text when the
> full text cannot be placed. But, if we keep all the existing
> algorithms, it basically means this logic has to be written multiple
> times. Ouch!
>
> > I also think that keeping them available without any special interface
> could keep them in a place that is not really influenced by the frequent
> enhancements of QGIS.
>
> Sounds great in theory, but the labeling code structure and logic
> doesn't work that allow that.
>
> Nyall
>
>
>
> > c
> >
> >
> > On Mon, Jul 29, 2019 at 8:31 AM Nyall Dawson 
> wrote:
> >>
> >> On Mon, 29 Jul 2019 at 16:28, Carlo A. Bertelli (Charta s.r.l.)
> >>  wrote:
> >> >
> >> > Label placement took a lot of time and efforts in the past and this
> is the outcome.
> >> > It's true, there is no real need for it while on screen, but it could
> be very useful in Layout. The problem is similar to generalisation, you
> need proper data to support label placement. Losing the relationship with
> real geographic objects, when exporting the layout in SVG or postscript,
> label placement takes time and needs cartographic expertise while changing
> the algorithm in Layout mode can help a lot.
> >>
> >> So - just to confirm -- you are actively changing that setting, and
> >> seeing useful results from different methods? If so, which do you use?
> >> Which give the best results? What's the trade off between them?
> >>
> >> Nyall
> >>
> >>
> >> > Keeping several algorithms in Layout could ease code maintenance
> while keeping all the advantages.
> >> > On the other hand, this needs some efforts on documentation and
> Anita's touch is really welcome here. Algorithms need reference but also a
> plain explanation in something that resembles a book. Someone developed a
> publishing business out of a GIS program... maybe this is too much and has
> already been done, but...
> >> > My two eurocents.
> >&

[QGIS-Developer] [QGIS UserConf 2019] QGIS sponsoring plan from QGIS.es (1500€ done! + 1500€ later)

[Luigi Pirelli]

Hi QGIS PSC (in cc Users and Devs)

Because QGIS is a team effort and as announced during the end of QGIS
UserConf 2019 in A Coruña we (The Spanish QGIS User Association - QGIS.es)
want to give back to the project half of the financial surplus of the
conference. e.g. 3000€.

As we are a new association with a lot of work to do, we though to retain
1500€ to approach some (possible) costs to setup associacion webpage (pus
marketing actions) to attract new association subscriptions that are
growing (too) slowly also because we really opened subscriptions last May.
so we planned to:
1) transfer 1500€ now (already done)
2) transfer remaining 1500€ basing on our financial buffer (at least
3000€). E.g. every 3 month, starting form January 2020, we will check if we
have 3000€ in the bank account, if so we will trigger the remaining 1500€.

We would like, as association, to appear as sponsor, not clear if a flat
bronze sponsorship plan for 3/6 years or one shot Silver sponsorship at the
end of the complete payment.

Luigi Pirelli

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Re: [QGIS-Developer] Suggestion to integrate MCG image segmentation in QGIS

[Luigi Pirelli]

Hi Sophie

Interesting and useful work, congratulation!
About computer vision integration libraries, IMHO a good solution is that
used by https://plugins.qgis.org/plugins/enmapboxplugin/ pluign that
integrate scikit in a flexible way. IMHO can be the architecture to
integrate opencv algs and more.

Not clear to me what would be the best strategy to attract developer to
integrate MCG in qgis... IMHO can be integrated as in EnMap plugin via
processing provider => QEP wouldn't the best option because I do not feel
the alg could be a core algorithm more than a useful tool added via a
processing provider plugin.

IMHO your work is really useful for a lot of companies I hope your email
can move their interest to contribute to QGIS.

Luigi Pirelli

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On Tue, 18 Jun 2019 at 16:25, Sophie Crommelinck <
sophie.crommeli...@gmail.com> wrote:

> Hello,
>
> For my PhD research, I have developed the BoundaryDelineation QGIS plugin
> that aims to facilitate manual digitization from remote sensing imagery. As
> an input, it requires object outlines obtained through image segmentation.
> I have tested different image segmentations in QGIS, but found that
> external approaches from computer vision provide better object outlines.
> For the purpose of cadastral mapping that requires to digitize along roads,
> buildings, rivers, fences, etc., I obtained accurate contours around
> visible objects from drone, aerial and satellite imagery with Multiscale
> Combinatorial Grouping (MCG) from Berkeley University. The code is open
> source (
> https://www2.eecs.berkeley.edu/Research/Projects/CS/vision/grouping/mcg/#).
> However, it is partly pre-compiled for Matlab and does not work under
> Windows. In order to keep the geo-reference of input images, I have added
> two small scripts (
> https://github.com/SCrommelinck/Delineation-Tool/tree/master/v3.0/1_image_segmentation).
> Here is a video that shows MCG results on rural aerial imagery as well as
> the use of the plugin: https://www.youtube.com/watch?v=GrDv8fW53Fs. MCG
> results on peri-urban drone imagery can be seen here:
> https://arxiv.org/abs/1904.12586
>
> If this image segmentation would be included in QGIS, a user would not
> rely on processing input data externally before being able to use the
> BoundaryDelineation plugin. Furthermore, QGIS would incorporate and
> facilitate the use of a state of the art computer vision image
> segmentation. Segmenting an image into larger objects is an often applied
> first step in many mapping and classification procedures.
>
> My question is how to check whether someone would be interested to
> implement MCG in QGIS. My own programming skills are not elaborated enough.
> Should I open a feature request here: https://github.com/qgis/QGIS/issues,
> or is posting my suggestion to this mailing list the way to go?
>
> Best,
>
> Sophie
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Re: [QGIS-Developer] Recent rendering changes that might affect TimeManager

[Luigi Pirelli]

Hi Patrick,

I suppose Anita refers to 2.18 to point out a possible regression in a
specific use case.

Luigi Pirelli

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On Sat, 18 May 2019 at 00:29, Patrick Dunford 
wrote:

> Can I suggest that you need to be more specific and not comparing to 2.8
>
> Should be comparison with earlier releases of3 because 3 has been out for
> such a long time?
> On 17/05/19 7:07 AM, Anita Graser wrote:
>
> Hi,
>
> Users of TimeManager are reporting rendering issues which affect 3.4 and
> 3.6 but didn't appear in QGIS 2.18:
>
> https://github.com/anitagraser/TimeManager/issues/290
> https://github.com/anitagraser/TimeManager/issues/291
>
> I'd appreciate any pointers to potentially relevant changes and
> recommendations on how to handle them.
>
> Regards,
> Anita
>
>
>
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Re: [QGIS-Developer] Including style in core

[Luigi Pirelli]

+1

Luigi Pirelli

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On Tue, 14 May 2019 at 08:52, matteo  wrote:

> Hi devs,
>
> can it be a good idea to add a style [0] in the core styles of QGIS?
>
> Currently it is shared with the QGIS Resource Sharing plugin, but maybe
> it is worth to list it with the other styles.
>
> Cheers
>
> Matteo
>
>
> [0]
>
> https://github.com/pcav/qgis_styles/tree/master/collections/distance_measure/style
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Re: [QGIS-Developer] What to do with evis?

[Luigi Pirelli]

Hi Nyall

I agree evis can be removed... some users coming from gvSIG experience do
not match the user experience with actual way to browse, hilight, zoom
features. Their experience is based on the NavTable gvSIG plugin that have
all the feature already present in qgis core, but with slightly GUI
organisation. For this reason, Fran Sampayo has generated a NavTable plugin
for QGIS.

cheers

Luigi Pirelli

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On Tue, 14 May 2019 at 01:23, Nyall Dawson  wrote:

> Hi list,
>
> With Denis' recent PR adding native support for browsing
> features/tables  (see https://github.com/qgis/QGIS/pull/9992), I think
> it's a good time to open discussion about the future of the evis
> plugin.
>
> In my understanding, browsing tables was one of the remaining
> compelling features which evis offered, and if we have a native
> integrated support for this then I doubt there's a good reason to keep
> dragging around the evis baggage with us.
>
> My 2c:
>
> - The plugin is well and truly abandoned and unmaintained. It's only
> seen fixes to keep it compiling for the last 5+ years. There's
> obviously no demand from the user or development community to extend
> this plugin. This either means the plugin is unused, or it's "feature
> complete". My gut feeling is the former, or we'd at least be seeing
> bug reports still flow in.
>
> - It's a substantial amount of code, and it does require work to keep
> it functional. If this work isn't needed, we're just wasting our time
>
> - It's a core c++ plugin, which we are trying to reduce. Again,
> there's been no movement from anyone I know of to port this to a
> not-installed-by-default python plugin (which is where it really
> belongs)
>
> If I'm not the only one thinking evis has reached it's eol, I would
> propose we:
>
> - Add a messagebar warning when the plugin is enabled/loaded on QGIS
> 3.8, stating that it is deprecated and will be removed in QGIS 3.10.
>
> - Link this message to a QGIS blog post detailing the reason for
> removal, which can clearly state that if users require the
> functionality they should contact the QGIS project to discuss funding
> a community maintained, Python version of the plugin
>
> - Remove it in 3.10.
>
> Thoughts?
>
> Nyall
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[QGIS-Developer] Spanish QGIS User Group proud supporter of SIGLibre2019

[Luigi Pirelli]

The Spanish QGIS User Group [1] is honored to support "SIGLibre" [2], the
Spanish FOSS4G annual event  organised by the SITGE [3] team of Girona
University (Catalunya, Spain).

During the event it will be possible to subscribe to QGIS User association
to support Local and International activities of the QGIS Project.

Follow the event Hashtag #siglibre2019.

[1] http://qgis.es/
[2] http://www.sigte.udg.edu/jornadassiglibre/
[3] https://www.udg.edu/en/sigte

Luigi Pirelli
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[QGIS-Developer] [QGIS UserConf 2019] Last financial report

[Luigi Pirelli]

Hi

It's a pleasure to publish the final financial report of the User
Conference and Hackmeeting held in A Coruña (Spain) last march 2019.

You can read it at:
https://docs.google.com/document/d/1XMZsyP5mEE4ZKdCbd4YXx1wptkmGitZFjZ6cfvw8Hmo/edit

or getting the same link in the wiki of the event:
https://github.com/qgises/user_conf_2019_homepage/wiki/International-QGIS-User-Conference-in-A-Coru%C3%B1a,-Spain---March-4th-6th-2019

Kudos to Carmen Diez who managed all financial aspect of the event and
prepared this report.

Luigi Pirelli on behalf of the organization committee
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Re: [QGIS-Developer] Embedded py libs in plugis

[Luigi Pirelli]

Are you sure? or are you referring embedding binary library? pure python
lib or python eggs, IMHO do not generate problems if used in the plugin
code without modify pythonpath for the all the env.

Am I wrong?

Luigi Pirelli

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On Mon, 29 Apr 2019 at 20:50, Paolo Cavallini  wrote:

> Hi all,
> until now we discouraged the inclusion of external python libraries in
> python plugins. I still think this is the right, clean approach. I just
> want to check with main core devs if there are strong reasons to change
> the approach.
> Thanks for comments.
> Cheers.
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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Re: [QGIS-Developer] Crashes on closing QGIS

[Luigi Pirelli]

On Thu, 11 Apr 2019 at 14:28, Thomas Baumann 
wrote:

> Hi Nathan,
> is this a configuration issue? Can I do something to get the correct
> symbols in the stacktrace?
>

in what platform? generally look for .pdb package that
contain debug symbols

>
> regards,
> Thomas
>

thanks to make the effort to dig into crashes, this help a lot bug fixing.

regards

Luigi Pirelli

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Re: [QGIS-Developer] GSoC 2019 for QGIS 3D Improvement Proposal

[Luigi Pirelli]

+1 in fact I was surprised!

Luigi Pirelli

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On Wed, 3 Apr 2019 at 09:50, Martin Dobias  wrote:

> Hi Luigi
>
> On Wed, Apr 3, 2019 at 9:36 AM Luigi Pirelli  wrote:
> >
> > "Point cloud rendering" is cited in the document... that't the reason I
> wrote about.
>
> Point cloud rendering is mentioned there because the 'billboards' 3D
> rendering technique can be reused for point clouds as well - but it
> wasn't the intention to implement a point cloud visualizer there
> (although re-reading the proposal, it can give such impression).
>
> @Ismail - maybe that point in your proposal could be removed to avoid
> confusion about the scope of the project... or it could be
> reformulated that it would "just" prepare the ground for point clouds
> rendering sometime later.
>
> Cheers
> Martin
>
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Re: [QGIS-Developer] GSoC 2019 for QGIS 3D Improvement Proposal

[Luigi Pirelli]

"Point cloud rendering" is cited in the document... that't the reason I
wrote about.

cheers

Luigi Pirelli

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On Tue, 2 Apr 2019 at 15:37, Peter Petrik <
peter.pet...@lutraconsulting.co.uk> wrote:

> Thanks Ismail for the proposal, looks great.
>
> re Mac: I have also issues when undocking & docking 3d view. I suspect it
> is qt bug with rendering of OpenGL panels. There is already ticket in the
> tracker for the issue.
> re Point clouds: The amount of work to make it happen in 3D is heavily
> outside of GSOC scope, so maybe can we open another discussion on this
> topic if you are interested?
>
> Cheers,
> Peter
>
> On Tue, Apr 2, 2019 at 2:00 PM Luigi Pirelli  wrote:
>
>> great proposal... I strongly second you.
>>
>> I¡m expecially interestd in point cloud visualization (not necessarily
>> processing).
>> I agree with nyall to reuse marker point symbology, btw I would suggest
>> to investigate also visualization strategies applied in other QT based sw
>> like cloud compare.
>> Ismail, Is it possibile to add a reserch aspect to evaluate this point?
>>
>> cheers
>>
>> Luigi Pirelli
>>
>>
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>>
>> **
>>
>>
>> On Mon, 1 Apr 2019 at 12:28, Ismail Sunni  wrote:
>>
>>> Dear QGIS developers,
>>>
>>> My name is Ismail Sunni, I am from Indonesia. Currently, I am studying
>>> in Germany for my master degree. Since I am now a student, I want to
>>> participate in this year Google Summer of Code for QGIS. I am interested to
>>> contribute and work on the 3D improvement
>>> <https://github.com/qgis/QGIS/wiki/Google-Summer-of-Code-2019-Ideas#qgis-3d-improvements>.
>>> It's still young and I think that I can help with making it more complete.
>>>
>>> I have discussed with Martin Dobias for a more detail idea and start my
>>> proposal. Now, my proposal is more or less ready (according to me). But it
>>> would be better if I get some feedback or suggestions from the QGIS
>>> community itself. Since it will give impact to the community.
>>>
>>> If you are interested, you can check my proposal in this URL:
>>> https://docs.google.com/document/d/1RcXiEyziQyGurqDGRBN3g-het33liVD81WFjv8qQlt8/edit?usp=sharing
>>>
>>> Please don't be hesitate to make a comment either in this email thread
>>> or even in the document itself.
>>>
>>> Thank you
>>>
>>> Best regards
>>>
>>> --
>>> Ismail Sunni
>>> ismailsunni.wordpress.com
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>
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Re: [QGIS-Developer] GSoC 2019 for QGIS 3D Improvement Proposal

[Luigi Pirelli]

great proposal... I strongly second you.

I¡m expecially interestd in point cloud visualization (not necessarily
processing).
I agree with nyall to reuse marker point symbology, btw I would suggest to
investigate also visualization strategies applied in other QT based sw like
cloud compare.
Ismail, Is it possibile to add a reserch aspect to evaluate this point?

cheers

Luigi Pirelli

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On Mon, 1 Apr 2019 at 12:28, Ismail Sunni  wrote:

> Dear QGIS developers,
>
> My name is Ismail Sunni, I am from Indonesia. Currently, I am studying in
> Germany for my master degree. Since I am now a student, I want to
> participate in this year Google Summer of Code for QGIS. I am interested to
> contribute and work on the 3D improvement
> <https://github.com/qgis/QGIS/wiki/Google-Summer-of-Code-2019-Ideas#qgis-3d-improvements>.
> It's still young and I think that I can help with making it more complete.
>
> I have discussed with Martin Dobias for a more detail idea and start my
> proposal. Now, my proposal is more or less ready (according to me). But it
> would be better if I get some feedback or suggestions from the QGIS
> community itself. Since it will give impact to the community.
>
> If you are interested, you can check my proposal in this URL:
> https://docs.google.com/document/d/1RcXiEyziQyGurqDGRBN3g-het33liVD81WFjv8qQlt8/edit?usp=sharing
>
> Please don't be hesitate to make a comment either in this email thread or
> even in the document itself.
>
> Thank you
>
> Best regards
>
> --
> Ismail Sunni
> ismailsunni.wordpress.com
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Re: [QGIS-Developer] Documentation: pyqgis cookbook python code tests

[Luigi Pirelli]

impressive... tnx Arnoud

Luigi Pirelli

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On Sat, 16 Mar 2019 at 14:02, Richard Duivenvoorde 
wrote:

> See also:
>
> https://docs.qgis.org/testing/en/docs/documentation_guidelines/cookbook_guidelines.html
>
> R
>
> On 16/03/2019 11.05, Richard Duivenvoorde wrote:
> > Hi,
> >
> > For those not aware of Arnaud's work during the Hackfest:
> >
> > His work makes it relatively easy to test the python snippets in the
> > pyqgisbook. In this way keeping the python snippets up to date with
> > code/api changes of QGIS itself is much easier.
> >
> > We use a Sphinx extension:
> > https://www.sphinx-doc.org/en/master/usage/extensions/doctest.html
> >
> > In short:
> > - you run the snippets from within the cookbook rst using QGIS(libs)
> > either from your build/install dir, OR from within a QGIS-Desktop docker
> > instance (same as is being used for automatic tests)
> > - so we (have to!) adapt the code in the pycookbook a little to make it
> > testable (adding testsetup:: and testcode:: directives)
> > - he slightly changed the way you can build the documentation (on Linux)
> > using one or two extra make (.mk) files.
> >
> > See:
> > https://github.com/qgis/qgis-documentation#testing-python-snippets
> >
> > I've just tested and this 1 test :-) works flawlessly if you create a
> > 'user.mk' pointing to your QGIS_PREFIX_PATH
> >
> > So: now we can make all code snippets testable!
> > If I am correct he was also busy to get the code examples in the
> > doxygen/pyqgiscook work with this too @arnaud ?)
> >
> > Please try!
> >
> > Regards,
> >
> > Richard Duivenvoorde
> >
> > PS this is Sphinx/Python only, but if somebody jumps in to make it work
> > in a Windows way this would be even nicer. Or we should update the paver
> > way again?
> > ___
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Re: [QGIS-Developer] 3.6 changelog

[Luigi Pirelli]

Tnx tim :)

On Tuesday, 26 February 2019, Tim Sutton  wrote:

> I fixed the SLD not appearing issue:
>
> http://changelog.qgis.org/en/qgis/version/3.6.0/#sld-
> export-for-raster-styles
>
> Regards
>
> Tim
>
> On 26 Feb 2019, at 20:58, Richard Duivenvoorde 
> wrote:
>
> On 26/02/2019 19.56, Etienne Trimaille wrote:
>
> Le mar. 26 févr. 2019 à 14:52, Richard Duivenvoorde  <mailto:rdmaili...@duif.net >> a écrit :
>
>
>It is a django app, if you create a login (and sent me your username),
>we can give you enough rights to edit yourself:
>
>
> Did the rule change recently?
> Before, anyone with a login could add an entry.
>
>
> Yes, it should but that always has been buggy: people could add an
> entry, but after that could not see/edit it anymore. What we did earlier
> was make people (we knew) provide admin rights or so.
>
> But maybe first try and see
>
> Richard
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>
> —
>
>
>
>
>
>
>
> *Tim Sutton*
>
> *Co-founder:* Kartoza
> *Ex Project chair:* QGIS.org
>
> Visit http://kartoza.com to find out about open source:
>
> Desktop GIS programming services
> Geospatial web development
> GIS Training
> Consulting Services
>
> *Skype*: timlinux
> *IRC:* timlinux on #qgis at freenode.net
>
>

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Re: [QGIS-Developer] Branch protection enabled for 3.4

[Luigi Pirelli]

great :)

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On Sat, 23 Feb 2019 at 02:24, Nyall Dawson  wrote:

> Hi all,
>
> Just a heads up: now that 3.4 is officially the LTR, I've enabled
> github branch protection on the branch. This means all commits to the
> branch must now:
> 1. Go through a PR
> 2. Pass all Travis tests
> 3. Be approved by at least 1 other core committer
>
> (same rules as were in place for 2.18)
>
> Nyall
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Re: [QGIS-Developer] Plugin [1632] qtranus approval notification.

[Luigi Pirelli]

metadata homepage does not exist!

Luigi Pirelli

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On Thu, 21 Feb 2019 at 11:09,  wrote:

>
> Plugin qtranus approval by pcav.
> The plugin version "[1632] qtranus 0.1.1 Experimental" is now approved
> Link: http://plugins.qgis.org/plugins/QTRANUS/
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Re: [QGIS-Developer] [Qgis-psc] QGIS Voting Member Ballot Results

[Luigi Pirelli]

great :)

Luigi Pirelli

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On Tue, 19 Feb 2019 at 20:42, Marco Bernasocchi  wrote:

> It is with great pleasure that I'd like to announce our latest community
> voting member Hugo Mercier.
>
> Thanks to everybody for voting and thanks already Hugo for your commitment.
>
> Here you can find the votes summaries:
>
>
> https://docs.google.com/spreadsheets/d/1ycJPCu9ylVKC9hefBx_BIi5yxrcLlYPwFCUwTvzHikI/edit?usp=sharing
>
> Cheers
>
> Marco
>
> --
> Marco Bernasocchi
>
> QGIS.org Co-chair
> http://berna.io
>
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[QGIS-Developer] [QGIS UserConf 2019] Online registration will close next February 24th

[Luigi Pirelli]

Hi

*Registration is open* for the next *International QGIS User Conference and
Developer Meeting*

Conference will take place in the week from *04 to 06 **March* *2019 in
A Coruña (Spain).*

*Event page and registration: 2019.qgis.es <http://2019.qgis.es/>*
Workshop and demo program
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1528479278>
-
March 4th and 5th.
Definitive talk program: Track 1
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1257947789>
, Track 2
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=2133168314>
-
March 6th.
*Online registration will close next February 24th*

Any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organised by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3] and *Ingenieria de Camino *[4] of the A Coruña
University.
The event is under the *QGIS.org* umbrella.

Conference fees:
   * Regular fee: 80€
   * Workshop fees: 40€ per workshop
   * Students/Unemployed/Retired fee: 40€ (20€ for workshops)

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/
[4] http://caminos.udc.es/

Luigi Pirelli on behalf of the organisation committee.
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Re: [QGIS-Developer] [FEATURE EXCEPTION] Export SLD 1.0 for Rasters. Merge exception request for QGIS 3.6

[Luigi Pirelli]

I prepared a backport if we decide to accept it to merge into 3.4

https://github.com/qgis/QGIS/pull/9162

cheers

Luigi Pirelli

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On Thu, 31 Jan 2019 at 23:41, Nyall Dawson  wrote:

> On Fri, 1 Feb 2019 at 08:02, Luigi Pirelli  wrote:
> >
> > sorry my mistake... the request is to backport
>
> So you want to include in both 3.6 and then backport to 3.4?
>
> I'm a +0 here. The code only touches SLD export, so I think it's low
> risk outside of this area.
>
> Nyall
>
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Re: [QGIS-Developer] Windows only version of a QGIS 2.18x plugin

[Luigi Pirelli]

Ho I see

I do not see any limitation to have the plugin in the repo until third
party and closed binaries are not distributed with the plugin as is the
case for VESPER executables. Does it make sense to contribute to other
communities (e.g. https://github.com/bsmurphy/PyKrige/issues/41) to open
the implementation that is already public?

Luigi Pirelli

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On Mon, 11 Feb 2019 at 00:56,  wrote:

> Hi Paulo,
>
> VESPER provides local block kriging. It has also been adopted as the
> method and tool of choice by the Precision Agriculture industry here in
> Australia.
>
> Further information on VESPER can be found at
> https://sydney.edu.au/agriculture/pal/software/vesper.shtml.
>
> Christina
>
> -Original Message-
> From: QGIS-Developer [mailto:qgis-developer-boun...@lists.osgeo.org] On
> Behalf Of Paolo Cavallini
> Sent: Friday, 8 February 2019 6:10 PM
> To: qgis-developer@lists.osgeo.org
> Subject: Re: [QGIS-Developer] Windows only version of a QGIS 2.18x plugin
>
> Hi all,
>
> On 07/02/19 08:46, Alessandro Pasotti wrote:
>
> > That makes me think that perhaps the best win-win solution would have
> > been to fix/improve QGIS's Kriging implementation instead of relying
> > on a windows-only binary.
>
> Christina, what is missing fro our core kriging module?
> Thanks.
>
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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Re: [QGIS-Developer] Windows only version of a QGIS 2.18x plugin

[Luigi Pirelli]

Sorry if I¡m too superficial without knowing deeply the plugin use cases,
this is my 2c:

if VESPER kiging is the reason limitate the plugin to only windows, is
something I do not understand. QGIS/processing with RSpatial, saga and
grass are full of kiging interpolation methods why not use the available
multiplatforms tools?

regards

Luigi Pirelli

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On Wed, 6 Feb 2019 at 07:29,  wrote:

> Hi QGIS dev list,
>
> I have just uploaded a new QGIS 2.18.x plugin called PAT - Precision
> Agriculture Tools.  It relies on VESPER,  a Windows only bit of software so
> therefore I went ahead writing a Windows only plugin using QGIS 2.18.x and
> the non-QGIS Python dependencies of rasterio, Fiona, geopandas and our
> pyprecag package.
>
> The majority of our users are Windows users and are the likes of Farmers
> and Ag consultants with no programming experience and very little QGIS
> experience which also led to the decision of making PAT a Windows only
> plugin. I have developed a series of dependency checks based on the Windows
> environment and create a Windows batchfile that the user can launch to
> install the Python dependencies correctly for use with QGIS.
>
> On uploading to the QGIS repository I have been advised by @pcav (see
> https://github.com/CSIRO-Precision-Agriculture/PAT_QGIS_Plugin/issues/7 )
> that PAT must support Linux and OSX operating environments. I have had a
> look on https://plugins.qgis.org/ and I cannot find where this is listed
> in bullet points under *how to add your plugin to this repository* as a
> requirement for the approval of plugins. @pcav advised that I email this
> list regarding this issue.
>
> Is it acceptable to add a line in the metadata.txt file clearly pointing
> out that this plugin is to be used in Windows only and will it still be
> approved for the QGIS plugin repository?
>
> If not what are my options?
> Are there any guides on how to best setup and test QGIS plugins for Linux
> and OSX environments? I only have access to Windows at the moment and I am
> a novice at Python programming in these other environments.
>
> Any help or direction would be greatly appreciated.
>
> Kind Regards,
>
> Christina Ratcliff
>
> PLEASE NOTE
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Re: [QGIS-Developer] Plugin [1462] Repair Lines Connections approval notification.

[Luigi Pirelli]

why approaved if it points to a repo that seems is doing another think?
https://github.com/CarlosCagna/DeactivateActiveLabels
Luigi Pirelli

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On Tue, 5 Feb 2019 at 15:24,  wrote:

>
> Plugin Repair Lines Connections approval by pcav.
> The plugin version "[1462] Repair Lines Connections 1.0" is now approved
> Link: http://plugins.qgis.org/plugins/RepairLinesConncetions/
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Re: [QGIS-Developer] Jupyter Console Plugin for QGIS?

[Luigi Pirelli]

I agree Nyall, can you imagine a ipython qtconsole where having kernel for
each supported languages?
Luigi Pirelli

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On Sun, 3 Feb 2019 at 23:36, Nyall Dawson  wrote:

> On Fri, 1 Feb 2019 at 06:03, Alessandro Pasotti 
> wrote:
> >
> > Stefan,
> >
> > this is actually a very good idea, I've started something similar a few
> years ago, but its scope was limited to embedding the IPython console
> inside QGIS, the plugin is available here:
> https://plugins.qgis.org/plugins/IPyConsole/
> >
> > It is based on QtConsole.
> >
> > Perhaps it could be a starting point, IIRC Luigi also explored this
> possibility while we were working together in Boundless.
>
> Thinking out-loud, but it would be nice if we had some way to abstract
> consoles and have some common interface for them.
>
> Beside the current python console and some 3rd party plugins like the
> IPython console, I would very much like to see an embedded "terminal"
> console and interactive R console...
>
> Super bonus points if I can access these via a Quake style ~ shortcut ;)
>
> Nyall
>
> >
> >
> >
> >
> > On Thu, Jan 31, 2019 at 8:11 PM Stefan Keller 
> wrote:
> >>
> >> Hi,
> >>
> >> August 2017 Tim S. blogged about "Plotting the future of QGIS" [1] and
> >> mentioned as no. 1. "We need to beef up the analytical capabilities in
> >> QGIS". There he asked "why not provide both a Jupyter Notebook"
> >> embedded into QGIS and pointed to options to integrate the Jupyter Qt
> >> console [2]. QGIS/Jupyter integration has been mentioned 2017 as
> >> possible GSoC but then can't see other activities.
> >>
> >> So what is your opinion about writing a QGIS Python Plugin which
> >> allows to run Python notebooks an accesses the QGIS processing power
> >> (e.g. using Qt's  RichJupyterWidget).
> >>
> >> Any developments or thoughts on this?
> >>
> >> :Stefan
> >>
> >> [1] https://blog.qgis.org/2017/08/25/plotting-the-future-of-qgis/
> >> [2]
> https://qtconsole.readthedocs.io/en/stable/#embedding-the-qtconsole-in-a-qt-application
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> >
> >
> > --
> > Alessandro Pasotti
> > w3:   www.itopen.it
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Re: [QGIS-Developer] Jupyter Console Plugin for QGIS?

[Luigi Pirelli]

I would thing it carefully, mainly to avoid to involve someone to works on
something that we are not sure it could work! and I can investigate only
after the UserConf (hopefully)

If there is a implementation possibility? I would be happy to mentor.

Luigi Pirelli

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On Sun, 3 Feb 2019 at 12:20, Stefan Keller  wrote:

> Am So., 3. Feb. 2019 um 11:00 Uhr schrieb Luigi Pirelli  >:
> > I hadn't time to investigate, but 1.5y ago I challenged various talented
> devs and none found a solution...
> > But having a well focused GSoC probably could help :)
>
> So ;-) , do we have a good idea for GSoC 2019 - and a mentor (you)?
> My contribution could be use and test cases...
>
> :Stefan
>
> Am So., 3. Feb. 2019 um 11:00 Uhr schrieb Luigi Pirelli  >:
> >
> > There were already a past GSoC focused on something similar... But
> oriented to use qgis as back end for mapping only.
> >
> > IMHO a GSoC should be on remove (if possible) at console ernel sharing
> limitation when embedded.. Not specifically a qgis oriented stuff.
> > I hadn't time to investigate, but 1.5y ago I challenged various talented
> devs and none found a solution... But having a well focused GSoC probably
> could help :)
> >
> > On Sunday, 3 February 2019, Stefan Keller  wrote:
> >>
> >> A Jupyter Console QGIS Plugin would probably be a good "Google Summer
> >> of Code 2019 Idea"?
> >> https://github.com/qgis/QGIS/wiki/Google-Summer-of-Code-2019-Ideas
> >>
> >> :Stefan
> >>
> >> Am Do., 31. Jan. 2019 um 23:07 Uhr schrieb Luigi Pirelli <
> lui...@gmail.com>:
> >> >
> >> > I already wrote many times about QT Console limitations to interact
> with external kernels... I dind't know about RichJupyterWidget and I'm not
> updated about qt console evlution.
> >> >
> >> > IMHO if it works would be great... since 1.5y ago it was not possible.
> >> >
> >> > Luigi Pirelli
> >> >
> >> >
> **
> >> > * LinkedIn: https://www.linkedin.com/in/luigipirelli
> >> > * Stackexchange:
> http://gis.stackexchange.com/users/19667/luigi-pirelli
> >> > * GitHub: https://github.com/luipir
> >> > * Mastering QGIS 2nd Edition:
> >> > *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> >> > * Hire me: http://goo.gl/BYRQKg
> >> >
> **
> >> >
> >> >
> >> > On Thu, 31 Jan 2019 at 21:03, Alessandro Pasotti 
> wrote:
> >> >>
> >> >> Stefan,
> >> >>
> >> >> this is actually a very good idea, I've started something similar a
> few years ago, but its scope was limited to embedding the IPython console
> inside QGIS, the plugin is available here:
> https://plugins.qgis.org/plugins/IPyConsole/
> >> >>
> >> >> It is based on QtConsole.
> >> >>
> >> >> Perhaps it could be a starting point, IIRC Luigi also explored this
> possibility while we were working together in Boundless.
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> On Thu, Jan 31, 2019 at 8:11 PM Stefan Keller 
> wrote:
> >> >>>
> >> >>> Hi,
> >> >>>
> >> >>> August 2017 Tim S. blogged about "Plotting the future of QGIS" [1]
> and
> >> >>> mentioned as no. 1. "We need to beef up the analytical capabilities
> in
> >> >>> QGIS". There he asked "why not provide both a Jupyter Notebook"
> >> >>> embedded into QGIS and pointed to options to integrate the Jupyter
> Qt
> >> >>> console [2]. QGIS/Jupyter integration has been mentioned 2017 as
> >> >>> possible GSoC but then can't see other activities.
> >> >>>
> >> >>> So what is your opinion about wri

Re: [QGIS-Developer] Jupyter Console Plugin for QGIS?

[Luigi Pirelli]

There were already a past GSoC focused on something similar... But oriented
to use qgis as back end for mapping only.

IMHO a GSoC should be on remove (if possible) at console ernel sharing
limitation when embedded.. Not specifically a qgis oriented stuff.
I hadn't time to investigate, but 1.5y ago I challenged various talented
devs and none found a solution... But having a well focused GSoC probably
could help :)

On Sunday, 3 February 2019, Stefan Keller  wrote:

> A Jupyter Console QGIS Plugin would probably be a good "Google Summer
> of Code 2019 Idea"?
> https://github.com/qgis/QGIS/wiki/Google-Summer-of-Code-2019-Ideas
>
> :Stefan
>
> Am Do., 31. Jan. 2019 um 23:07 Uhr schrieb Luigi Pirelli  >:
> >
> > I already wrote many times about QT Console limitations to interact with
> external kernels... I dind't know about RichJupyterWidget and I'm not
> updated about qt console evlution.
> >
> > IMHO if it works would be great... since 1.5y ago it was not possible.
> >
> > Luigi Pirelli
> >
> > 
> **
> > * LinkedIn: https://www.linkedin.com/in/luigipirelli
> > * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> > * GitHub: https://github.com/luipir
> > * Mastering QGIS 2nd Edition:
> > * https://www.packtpub.com/big-data-and-business-
> intelligence/mastering-qgis-second-edition
> > * Hire me: http://goo.gl/BYRQKg
> > 
> **
> >
> >
> > On Thu, 31 Jan 2019 at 21:03, Alessandro Pasotti 
> wrote:
> >>
> >> Stefan,
> >>
> >> this is actually a very good idea, I've started something similar a few
> years ago, but its scope was limited to embedding the IPython console
> inside QGIS, the plugin is available here: https://plugins.qgis.org/
> plugins/IPyConsole/
> >>
> >> It is based on QtConsole.
> >>
> >> Perhaps it could be a starting point, IIRC Luigi also explored this
> possibility while we were working together in Boundless.
> >>
> >>
> >>
> >>
> >> On Thu, Jan 31, 2019 at 8:11 PM Stefan Keller 
> wrote:
> >>>
> >>> Hi,
> >>>
> >>> August 2017 Tim S. blogged about "Plotting the future of QGIS" [1] and
> >>> mentioned as no. 1. "We need to beef up the analytical capabilities in
> >>> QGIS". There he asked "why not provide both a Jupyter Notebook"
> >>> embedded into QGIS and pointed to options to integrate the Jupyter Qt
> >>> console [2]. QGIS/Jupyter integration has been mentioned 2017 as
> >>> possible GSoC but then can't see other activities.
> >>>
> >>> So what is your opinion about writing a QGIS Python Plugin which
> >>> allows to run Python notebooks an accesses the QGIS processing power
> >>> (e.g. using Qt's  RichJupyterWidget).
> >>>
> >>> Any developments or thoughts on this?
> >>>
> >>> :Stefan
> >>>
> >>> [1] https://blog.qgis.org/2017/08/25/plotting-the-future-of-qgis/
> >>> [2] https://qtconsole.readthedocs.io/en/stable/#embedding-the-
> qtconsole-in-a-qt-application
> >>> _______
> >>> QGIS-Developer mailing list
> >>> QGIS-Developer@lists.osgeo.org
> >>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
> >>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
> >>
> >>
> >>
> >> --
> >> Alessandro Pasotti
> >> w3:   www.itopen.it
> >> ___
> >> QGIS-Developer mailing list
> >> QGIS-Developer@lists.osgeo.org
> >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
> >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
>


-- 
Luigi Pirelli

**
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*
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Re: [QGIS-Developer] [FEATURE EXCEPTION] Export SLD 1.0 for Rasters. Merge exception request for QGIS 3.6

[Luigi Pirelli]

ecactly

Luigi Pirelli

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On Thu, 31 Jan 2019 at 23:41, Nyall Dawson  wrote:

> On Fri, 1 Feb 2019 at 08:02, Luigi Pirelli  wrote:
> >
> > sorry my mistake... the request is to backport
>
> So you want to include in both 3.6 and then backport to 3.4?
>
> I'm a +0 here. The code only touches SLD export, so I think it's low
> risk outside of this area.
>
> Nyall
>
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Re: [QGIS-Developer] Jupyter Console Plugin for QGIS?

[Luigi Pirelli]

I already wrote many times about QT Console limitations to interact with
external kernels... I dind't know about RichJupyterWidget and I'm not
updated about qt console evlution.

IMHO if it works would be great... since 1.5y ago it was not possible.

Luigi Pirelli

**
* LinkedIn: https://www.linkedin.com/in/luigipirelli
* Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
* GitHub: https://github.com/luipir
* Mastering QGIS 2nd Edition:
*
https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
* Hire me: http://goo.gl/BYRQKg
**


On Thu, 31 Jan 2019 at 21:03, Alessandro Pasotti  wrote:

> Stefan,
>
> this is actually a very good idea, I've started something similar a few
> years ago, but its scope was limited to embedding the IPython console
> inside QGIS, the plugin is available here:
> https://plugins.qgis.org/plugins/IPyConsole/
>
> It is based on QtConsole.
>
> Perhaps it could be a starting point, IIRC Luigi also explored this
> possibility while we were working together in Boundless.
>
>
>
>
> On Thu, Jan 31, 2019 at 8:11 PM Stefan Keller  wrote:
>
>> Hi,
>>
>> August 2017 Tim S. blogged about "Plotting the future of QGIS" [1] and
>> mentioned as no. 1. "We need to beef up the analytical capabilities in
>> QGIS". There he asked "why not provide both a Jupyter Notebook"
>> embedded into QGIS and pointed to options to integrate the Jupyter Qt
>> console [2]. QGIS/Jupyter integration has been mentioned 2017 as
>> possible GSoC but then can't see other activities.
>>
>> So what is your opinion about writing a QGIS Python Plugin which
>> allows to run Python notebooks an accesses the QGIS processing power
>> (e.g. using Qt's  RichJupyterWidget).
>>
>> Any developments or thoughts on this?
>>
>> :Stefan
>>
>> [1] https://blog.qgis.org/2017/08/25/plotting-the-future-of-qgis/
>> [2]
>> https://qtconsole.readthedocs.io/en/stable/#embedding-the-qtconsole-in-a-qt-application
>> ___
>> QGIS-Developer mailing list
>> QGIS-Developer@lists.osgeo.org
>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
>
>
>
> --
> Alessandro Pasotti
> w3:   www.itopen.it
> ___
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Re: [QGIS-Developer] [FEATURE EXCEPTION] Export SLD 1.0 for Rasters. Merge exception request for QGIS 3.6

[Luigi Pirelli]

sorry my mistake... the request is to backport

thank you Etienne to point it out

Luigi Pirelli

**
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*
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On Thu, 31 Jan 2019 at 21:20, Etienne Trimaille 
wrote:

> Le jeu. 31 janv. 2019 à 12:56, Luigi Pirelli  a écrit :
>
>> in the next 3.6 LTR.
>>
>
> 3.6 will not be LTR.
> It's 3.4 which was released October 2018.
>
>
>>
>> these are the technical reasons:
>> 1) do not affect any existing feature. The only critical point could be
>> the change of some SLD export method from const to no const (I'll explain
>> in the PR the reason)
>> 2) can be useful for any public institution using geoserver as backend
>> when public institutions suppose to install LTR version.
>>
>> There are the personal reason:
>> 0) I really do not like to force the rules and following ones are my
>> personal reason why I wasn't able to respect feature freeze.
>> 1) busy organizing a complex (for me) conference
>> 2) All family sick... I'm still sick!
>>
>> let me know
>>
>> Luigi Pirelli
>>
>>
>> **********
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
>> * Mastering QGIS 2nd Edition:
>> *
>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>> * Hire me: http://goo.gl/BYRQKg
>>
>> **
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>
>
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[QGIS-Developer] [FEATURE EXCEPTION] Export SLD 1.0 for Rasters. Merge exception request for QGIS 3.6

[Luigi Pirelli]

Hi

with this I want to ask if it is possible to insert the new feature:
https://github.com/qgis/QGIS/pull/9049

in the next 3.6 LTR.

these are the technical reasons:
1) do not affect any existing feature. The only critical point could be the
change of some SLD export method from const to no const (I'll explain in
the PR the reason)
2) can be useful for any public institution using geoserver as backend when
public institutions suppose to install LTR version.

There are the personal reason:
0) I really do not like to force the rules and following ones are my
personal reason why I wasn't able to respect feature freeze.
1) busy organizing a complex (for me) conference
2) All family sick... I'm still sick!

let me know

Luigi Pirelli

**
* LinkedIn: https://www.linkedin.com/in/luigipirelli
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*
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Re: [QGIS-Developer] [QGIS UserConf 2019] Registration is OPEN with early bird fees

[Luigi Pirelli]

Event page:* 2019.qgis.es <http://2019.qgis.es/>*

On Mon, 21 Jan 2019 at 10:30, Luigi Pirelli  wrote:

> Hi
>
> it's a pleasure announce that *Registration is open* for the next 
> *International QGIS User Conference and
> Developer Meeting*
>
> Conference will take place in the week from *04 to 06 **March* *2019 in
> A Coruña (Spain).*
> Workshop program
> <https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1528479278>
>  -
> March 4th and 5th.
> Provisional talk program: Track 1
> <https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1257947789>
> , Track 2
> <https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=2133168314>
> , Track 3
> <https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=456325900>
>  -
> March 6th.
>
> Any info can be asked to: *userconf2...@qgis.es* 
>
> The International QGIS User and Developer Conference wants to be the
> referential conference, and a meeting point for the family of users and
> developers orbiting around the QGIS project, in order to gather experiences
> and sharing knowledge about QGIS. The language of the Conference is
> English.
>
> The event is organised by the *Spanish QGIS Association* [1], the Spanish
> user group, and the Galician *Xeoinquedos* community [2] with the help of
> *A Coruña municipality* [3] and *Ingenieria de Camino *[4] of the A
> Coruña University.
> The event is under the *QGIS.org* umbrella.
>
> Conference fees:
>* Early bird period Jan 14th to Feb 3rd: 50€
>* Regular fee: 80€
>* Workshop fees: 40€ per workshop
>* Students/Unemployed/Retired fee: 40€ (20€ for workshops)
>
> [1] http://qgis.es/
> [2] https://xeoinquedos.wordpress.com/
> [3] https://www.coruna.gal/
> [4] http://caminos.udc.es/
>
> Luigi Pirelli on behalf of the organisation committee.
>
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[QGIS-Developer] [QGIS UserConf 2019] Registration is OPEN with early bird fees

[Luigi Pirelli]

Hi

it's a pleasure announce that *Registration is open* for the next
*International QGIS User Conference and
Developer Meeting*

Conference will take place in the week from *04 to 06 **March* *2019 in
A Coruña (Spain).*
Workshop program
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1528479278>
-
March 4th and 5th.
Provisional talk program: Track 1
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=1257947789>
, Track 2
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=2133168314>
, Track 3
<https://docs.google.com/spreadsheets/d/1jscFi1QmcaaHmc6XmvbKMXkg9vWyQ8OttmMnkC9QLr0/edit#gid=456325900>
-
March 6th.

Any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organised by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3] and *Ingenieria de Camino *[4] of the A Coruña
University.
The event is under the *QGIS.org* umbrella.

Conference fees:
   * Early bird period Jan 14th to Feb 3rd: 50€
   * Regular fee: 80€
   * Workshop fees: 40€ per workshop
   * Students/Unemployed/Retired fee: 40€ (20€ for workshops)

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/
[4] http://caminos.udc.es/

Luigi Pirelli on behalf of the organisation committee.
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Re: [QGIS-Developer] How to get estimated raster statistic without calc them?

[Luigi Pirelli]

not shure if it's the same... not sure if the requests are for band
statistics or background image prefetch of an extended canvas view
(introduce 1y ago if I well remember)

you can simply check if bandSatatisti is available or triggered doing it
with (ir R is the QgsRasterLayer)

renderer = R.renderer()
renderer.hasStatistics(1) # True or Flase; 1 is the band number
stat = bandStatistics(1) # this would trigger remote reading if false step
before

bandStatistic is a QgsRasterInterface (e.g. the provider), so any provider
can implement statistic calc in different way...

Luigi Pirelli

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On Fri, 18 Jan 2019 at 14:34, Richard Duivenvoorde 
wrote:

> Hi Luigi,
>
> I cannot be of help, but I think I had exactly this problem then you,
> when there is a OGC-WCS service with for example a huge DEM/height model.
>
> And after that QGIS is requesting several times for one extent some
> portion of the data (while this server is very slow on this)
> I was thinking about a possibility to NOT do this everytime (or at least
> give an option to do it ONLY on the real data available already by QGIS).
>
> Does this fit your problem?
>
> Regards,
>
> Richard Duivenvoorde
>
> ps anybody willing to play with such a dem:
>
>
> https://geodata.nationaalgeoregister.nl/ahn3/wcs?request=GetCapabilities=wcs=1.1.2
>
> (epsg:28992)
>
> On 1/18/19 1:56 PM, Luigi Pirelli wrote:
> > Hi devs
> >
> > I face a (IMHO) an API limitation that I'm not sure is a limitation of a
> > feature :)
> >
> > I'm working adding SLD export for rasters as new feature and some
> > stretching (QgsContrastEnhancement) should be mapped differently if the
> > min/max values has been modified from the real min/max of the image.
> >
> > This can be simply asked to the raster with
> > QgsRasterLayer.statistic(). The main problem I'm faced is
> > that if statistic is not present it is ALWAYS calculated.
> > This means that if we have big images or a remote one (e.g. COG) this
> > would take long time!
> > I do not analysed any raster provider, but I suppose that min/max values
> > can be estimated asking to raster metadata.
> >
> > IMHO we can have an API like
> > QgsRasterLayer.estimatedStatistic()
> > or
> > QgsRasterLayer.statistic(, estimated=false)
> >
> > that can return metadata values if available.
> >
> > The proposal is valid if there is no a method to get estimated
> > statistic, but I could be wrong and that's the reason of this post.
> >
> > Luigi Pirelli
> >
> > p.s. remember to come to 2019.qgis.es <http://2019.qgis.es> ;) we'll
> > open inscription next monday!
> >
> >
> **
> > * LinkedIn: https://www.linkedin.com/in/luigipirelli
> > * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> > * GitHub: https://github.com/luipir
> > * Mastering QGIS 2nd Edition:
> > *
> >
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> > * Hire me: http://goo.gl/BYRQKg
> >
> **
> >
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[QGIS-Developer] How to get estimated raster statistic without calc them?

[Luigi Pirelli]

Hi devs

I face a (IMHO) an API limitation that I'm not sure is a limitation of a
feature :)

I'm working adding SLD export for rasters as new feature and some
stretching (QgsContrastEnhancement) should be mapped differently if the
min/max values has been modified from the real min/max of the image.

This can be simply asked to the raster with QgsRasterLayer.statistic(). The main problem I'm faced is that if statistic is not present it
is ALWAYS calculated.
This means that if we have big images or a remote one (e.g. COG) this would
take long time!
I do not analysed any raster provider, but I suppose that min/max values
can be estimated asking to raster metadata.

IMHO we can have an API like
QgsRasterLayer.estimatedStatistic()
or
QgsRasterLayer.statistic(, estimated=false)

that can return metadata values if available.

The proposal is valid if there is no a method to get estimated statistic,
but I could be wrong and that's the reason of this post.

Luigi Pirelli

p.s. remember to come to 2019.qgis.es ;) we'll open inscription next monday!

**
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Re: [QGIS-Developer] QGIS Developer Conference Attendance without c++ experience

[Luigi Pirelli]

Not yet confirmed a dedicated workshop focused on writing QGIS
documentation, so, again, your help is welcome.

see you in A Coruña

Luigi Pirelli

**
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* Hire me: http://goo.gl/BYRQKg
**


On Thu, 10 Jan 2019 at 17:54, William Roper  wrote:

> Hello QGIS dev list,
>
> This is a general question about attending the QGIS Developer Conference
> in Coruña in March. I don't have any experience with C++, and so wanted to
> see if that was the exclusive focus, or if there will be work being carried
> out on in Python and on the Documentation where I would be able to
> contribute.
>
> Having recently moved to Spain I wanted to take advantage of coming along.
>
> All the best,
> Will
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[QGIS-Developer] Call for sponsors for the International QGIS UserConf 2019

[Luigi Pirelli]

Next* International QGIS User Conference and Developer Meeting* will take
place in the week from *4 to 10 **March* *2019 in A Coruña (Spain).*

If you want to sponsor this event and give value to your brand, here you
can see how in this document
<http://2019.qgis.es/assets/docs/SponsorPack_QGISUserConf2019.pdf>

Any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organised by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3]. The event is under the *QGIS.org* umbrella.

:::news
Program publication: Monday January 14th
Conference registration opening: Monday January 14th
Workshop days: March 4th and 5th
Conference day: March 6th
Developer meeting: March 7th to 10th

Conference fees:
   * Early bird period Jan 14th to Feb 3rd: 50€
   * Regular fee: 80€
   * Support fee: 150€
   * Workshop fees: 20€ per workshop

Special fees:
   * Students fee: 40€
   * Unemployed: free (please contact userconf2...@qgis.es)
   * Grants: according to availability (please contact userconf2...@qgis.es)

:::Statistics at Jan 8th 2019
Number of presentations : 36
Number of Workshops: 10
Number of Demos: 1

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/

Luigi Pirelli on behalf of the organizing committee.
Reply to allReplyForward
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[QGIS-Developer] EXTENDED Deadline Jan 13th 2019: Call for presentations and workshops for International QGIS UserConf

[Luigi Pirelli]

Next* International QGIS User Conference and Developer Meeting* will take
place in the week from *4 to 10 **March* *2019 in A Coruña (Spain).*

The call for presentations and workshops *registration in: http://2019.qgis.es/
<http://2019.qgis.es/>*
*DEADLINE EXTENDED  *to* January 13th 2019*
Will be accepted workshops also in Spanish

Deadline has been extended to allow parallel tracks
Any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organised by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3]. The event is under the *QGIS.org* umbrella.

:::news
Program publication: Monday January 14th
Conference registration opening: Monday January 14th
Workshop days: March 4th and 5th
Conference day: March 6th
Developer meeting: March 7th to 10th

Conference fees:
   * Early bird period Jan 14th to Feb 3rd: 50€
   * Regular fee: 80€
   * Support fee: 150€
   * Workshop fees: 20€ per workshop

Special fees:
   * Students fee: 40€
   * Unemployed: free (please contact userconf2...@qgis.es)
   * Grants: according to availability (please contact userconf2...@qgis.es)
   * QGIS dev meeting attenders: Free

:::Statistics at Dec 21st 2018
Number of presentations : 32
Number of Workshops: 9
Number of Demos: 1

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/

Luigi Pirelli on behalf of the organising committee.
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Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

I Tim,

can you fix the blog post that deadline is 21 Dec 2018 (not 2019)?

was my mistake, sorry

cheers

Luigi Pirelli

p.s. what about your plan to move in portugal? I'm so corious... if you
need a QGIS developer, I'm just sending CV all around.

**
* LinkedIn: https://www.linkedin.com/in/luigipirelli
* Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
* GitHub: https://github.com/luipir
* Mastering QGIS 2nd Edition:
*
https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
* Hire me: http://goo.gl/BYRQKg
**


On Tue, 4 Dec 2018 at 11:34, Tim Sutton  wrote:

> Hi
>
> Ok updated with the first image below:
>
>
> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>
> Regards
>
> Tim
>
> On 04 Dec 2018, at 12:24, Luigi Pirelli  wrote:
>
> but I would prefer
>
> http://www.esncoruna.org/images/coru.jpg
> or
> this from municipality web page
>
> http://www.coruna.gal/portal/es/agenda/proximos-eventos/detalle-agenda/visita-guiada-interpretativa-al-espacio-natural-de-interes-local-de-la-torre-de-hercules/suceso/1453645899131?argIdioma=es
>
> cheers
>
> Luigi Pirelli
>
>
> **
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **********
>
>
> On Tue, 4 Dec 2018 at 11:15, Luigi Pirelli  wrote:
>
>> you can get the photo used in the web page:
>>
>>
>> https://github.com/qgises/user_conf_2019_homepage/blob/master/assets/img/backgrounds/coruna.jpg
>>
>> for sure the Municipality has a press release set of images, but here in
>> spain will be holidays for the rest of the week for the Constriturion
>> celebration... so I think will be hard to have feedback from them.
>>
>> p.s. I'm waiting also a press release from municipality because thay
>> asked me and I send them a "almost" done press release.
>>
>> cheers
>>
>> Luigi Pirelli
>>
>>
>> **
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
>> * Mastering QGIS 2nd Edition:
>> *
>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>> * Hire me: http://goo.gl/BYRQKg
>>
>> ******
>>
>>
>> On Mon, 3 Dec 2018 at 23:21, Tim Sutton  wrote:
>>
>>> Done hopefully looks ok now? If you can share a pic of A Coruña I will
>>> add it to the post.
>>>
>>> Regards
>>>
>>> Tim
>>>
>>> On 03 Dec 2018, at 23:45, Luigi Pirelli  wrote:
>>>
>>> thank you tim... please can you adjust the blog post formatting?
>>>
>>> Luigi Pirelli
>>>
>>>
>>> **
>>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>>> * GitHub: https://github.com/luipir
>>> * Mastering QGIS 2nd Edition:
>>> *
>>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>>> * Hire me: http://goo.gl/BYRQKg
>>>
>>> **
>>>
>>>
>>> On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:
>>>
>>>> Thanks for this email Luigi - I made a blog post with more-or-less your
>>>> text below here:
>>>>
>>>>
>>>> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>>>>
>>>> Regards
>>>>
>>>> Tim
>>>>
>>>> On 03 Dec 

Re: [QGIS-Developer] REMIND Deadline 21Dec2018: Call for presentations and workshops for International QGIS UserConf

[Luigi Pirelli]

Errata:

*DEADLINE *to present proposals is* 21 Dec 2018 (not 2019)*

Luigi Pirelli on behalf of the organizer committee.

On Mon, 17 Dec 2018 at 10:34, Luigi Pirelli  wrote:

> Next* International QGIS User Conference and Developer Meeting* will take
> place in the week from *4 to 10 March 2019 in A Coruña (Spain).*
>
> The call for presentations and workshops *registration in: 
> http://2019.qgis.es/
> <http://2019.qgis.es/>*
> *DEADLINE *to present proposals is* 21 Dec 2019*
>
> any info can be asked to: *userconf2...@qgis.es* 
>
> The International QGIS User and Developer Conference wants to be the
> referential conference, and a meeting point for the family of users and
> developers orbiting around the QGIS project, in order to gather experiences
> and sharing knowledge about QGIS. The language of the Conference is English.
>
> The event is organized by the *Spanish QGIS Association* [1], the Spanish
> user group, and the Galician *Xeoinquedos* community [2] with the help of
> *A Coruña municipality* [3]. The event is under the *QGIS.org* umbrella.
>
> [1] http://qgis.es/
> [2] https://xeoinquedos.wordpress.com/
> [3] https://www.coruna.gal/
>
> Luigi Pirelli on behalf of the organizer committee.
>
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[QGIS-Developer] REMIND Deadline 21Dec2018: Call for presentations and workshops for International QGIS UserConf

[Luigi Pirelli]

Next* International QGIS User Conference and Developer Meeting* will take
place in the week from *4 to 10 March 2019 in A Coruña (Spain).*

The call for presentations and workshops *registration in: http://2019.qgis.es/
<http://2019.qgis.es/>*
*DEADLINE *to present proposals is* 21 Dec 2019*

any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organized by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3]. The event is under the *QGIS.org* umbrella.

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/

Luigi Pirelli on behalf of the organizer committee.
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[QGIS-Developer] REMIND Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

Next* International QGIS User Conference and Developer Meeting* will take
place in the week from *4 to 10 March 2019 in A Coruña (Spain).*

The call for presentations and workshop *registration in: http://2019.qgis.es/
<http://2019.qgis.es/>*
*DEADLINE *to present proposals is* 21 Dec 2019*

any info can be asked to: *userconf2...@qgis.es* 

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organized by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of
*A Coruña municipality* [3]. The event is under the *QGIS.org* umbrella.

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/

Luigi Pirelli on behalf of the organizer committee.
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Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

super tnx :)
Luigi Pirelli

**
* LinkedIn: https://www.linkedin.com/in/luigipirelli
* Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
* GitHub: https://github.com/luipir
* Mastering QGIS 2nd Edition:
*
https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
* Hire me: http://goo.gl/BYRQKg
**


On Tue, 4 Dec 2018 at 11:34, Tim Sutton  wrote:

> Hi
>
> Ok updated with the first image below:
>
>
> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>
> Regards
>
> Tim
>
> On 04 Dec 2018, at 12:24, Luigi Pirelli  wrote:
>
> but I would prefer
>
> http://www.esncoruna.org/images/coru.jpg
> or
> this from municipality web page
>
> http://www.coruna.gal/portal/es/agenda/proximos-eventos/detalle-agenda/visita-guiada-interpretativa-al-espacio-natural-de-interes-local-de-la-torre-de-hercules/suceso/1453645899131?argIdioma=es
>
> cheers
>
> Luigi Pirelli
>
>
> **
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **********
>
>
> On Tue, 4 Dec 2018 at 11:15, Luigi Pirelli  wrote:
>
>> you can get the photo used in the web page:
>>
>>
>> https://github.com/qgises/user_conf_2019_homepage/blob/master/assets/img/backgrounds/coruna.jpg
>>
>> for sure the Municipality has a press release set of images, but here in
>> spain will be holidays for the rest of the week for the Constriturion
>> celebration... so I think will be hard to have feedback from them.
>>
>> p.s. I'm waiting also a press release from municipality because thay
>> asked me and I send them a "almost" done press release.
>>
>> cheers
>>
>> Luigi Pirelli
>>
>>
>> **
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
>> * Mastering QGIS 2nd Edition:
>> *
>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>> * Hire me: http://goo.gl/BYRQKg
>>
>> ******
>>
>>
>> On Mon, 3 Dec 2018 at 23:21, Tim Sutton  wrote:
>>
>>> Done hopefully looks ok now? If you can share a pic of A Coruña I will
>>> add it to the post.
>>>
>>> Regards
>>>
>>> Tim
>>>
>>> On 03 Dec 2018, at 23:45, Luigi Pirelli  wrote:
>>>
>>> thank you tim... please can you adjust the blog post formatting?
>>>
>>> Luigi Pirelli
>>>
>>>
>>> **
>>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>>> * GitHub: https://github.com/luipir
>>> * Mastering QGIS 2nd Edition:
>>> *
>>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>>> * Hire me: http://goo.gl/BYRQKg
>>>
>>> **
>>>
>>>
>>> On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:
>>>
>>>> Thanks for this email Luigi - I made a blog post with more-or-less your
>>>> text below here:
>>>>
>>>>
>>>> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>>>>
>>>> Regards
>>>>
>>>> Tim
>>>>
>>>> On 03 Dec 2018, at 18:10, Luigi Pirelli  wrote:
>>>>
>>>> Next* International QGIS User Conference and Developer Meeting* will
>>>> take place in the week from *4 to 10 March 2019 in A Coru

Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

but I would prefer

http://www.esncoruna.org/images/coru.jpg
or
this from municipality web page
http://www.coruna.gal/portal/es/agenda/proximos-eventos/detalle-agenda/visita-guiada-interpretativa-al-espacio-natural-de-interes-local-de-la-torre-de-hercules/suceso/1453645899131?argIdioma=es

cheers

Luigi Pirelli

**
* LinkedIn: https://www.linkedin.com/in/luigipirelli
* Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
* GitHub: https://github.com/luipir
* Mastering QGIS 2nd Edition:
*
https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
* Hire me: http://goo.gl/BYRQKg
**


On Tue, 4 Dec 2018 at 11:15, Luigi Pirelli  wrote:

> you can get the photo used in the web page:
>
>
> https://github.com/qgises/user_conf_2019_homepage/blob/master/assets/img/backgrounds/coruna.jpg
>
> for sure the Municipality has a press release set of images, but here in
> spain will be holidays for the rest of the week for the Constriturion
> celebration... so I think will be hard to have feedback from them.
>
> p.s. I'm waiting also a press release from municipality because thay asked
> me and I send them a "almost" done press release.
>
> cheers
>
> Luigi Pirelli
>
>
> **
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **
>
>
> On Mon, 3 Dec 2018 at 23:21, Tim Sutton  wrote:
>
>> Done hopefully looks ok now? If you can share a pic of A Coruña I will
>> add it to the post.
>>
>> Regards
>>
>> Tim
>>
>> On 03 Dec 2018, at 23:45, Luigi Pirelli  wrote:
>>
>> thank you tim... please can you adjust the blog post formatting?
>>
>> Luigi Pirelli
>>
>>
>> **********
>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>> * GitHub: https://github.com/luipir
>> * Mastering QGIS 2nd Edition:
>> *
>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>> * Hire me: http://goo.gl/BYRQKg
>>
>> **
>>
>>
>> On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:
>>
>>> Thanks for this email Luigi - I made a blog post with more-or-less your
>>> text below here:
>>>
>>>
>>> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>>>
>>> Regards
>>>
>>> Tim
>>>
>>> On 03 Dec 2018, at 18:10, Luigi Pirelli  wrote:
>>>
>>> Next* International QGIS User Conference and Developer Meeting* will
>>> take place in the week from *4 to 10 March 2019 in A Coruña (Spain).*
>>>
>>> The call for presentations and workshop *registration in: *
>>> *https://goo.gl/u5rTFV* <https://goo.gl/u5rTFV>
>>> *deadline *to present proposals is* 21 Dec 2019*
>>>
>>> any info can be asked to: userconf2...@qgis.es
>>>
>>> The International QGIS User and Developer Conference wants to be the
>>> referential conference, and a meeting point for the family of users and
>>> developers orbiting around the QGIS project, in order to gather experiences
>>> and sharing knowledge about QGIS. The language of the Conference is English.
>>>
>>> The event is organized by the *Spanish QGIS Association* [1], the
>>> Spanish user group, and the Galician *Xeoinquedos* community [2] with
>>> the help of *A Coruña municipality* [3]. The event is under the QGIS.org
>>> <http://qgis.org/> umbrella.
>>>
>>> [1] http://qgis.es/
>>> [2] https://xeoinquedos.wordpress.com/
>>> [3] https://www.coruna.gal/
>>>
>>> Luigi Pirelli on behalf of the organizer committee.
>>> ___
>>> Qgis-psc mailing list
>&g

Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

you can get the photo used in the web page:

https://github.com/qgises/user_conf_2019_homepage/blob/master/assets/img/backgrounds/coruna.jpg

for sure the Municipality has a press release set of images, but here in
spain will be holidays for the rest of the week for the Constriturion
celebration... so I think will be hard to have feedback from them.

p.s. I'm waiting also a press release from municipality because thay asked
me and I send them a "almost" done press release.

cheers

Luigi Pirelli

**
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On Mon, 3 Dec 2018 at 23:21, Tim Sutton  wrote:

> Done hopefully looks ok now? If you can share a pic of A Coruña I will add
> it to the post.
>
> Regards
>
> Tim
>
> On 03 Dec 2018, at 23:45, Luigi Pirelli  wrote:
>
> thank you tim... please can you adjust the blog post formatting?
>
> Luigi Pirelli
>
>
> **
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **
>
>
> On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:
>
>> Thanks for this email Luigi - I made a blog post with more-or-less your
>> text below here:
>>
>>
>> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>>
>> Regards
>>
>> Tim
>>
>> On 03 Dec 2018, at 18:10, Luigi Pirelli  wrote:
>>
>> Next* International QGIS User Conference and Developer Meeting* will
>> take place in the week from *4 to 10 March 2019 in A Coruña (Spain).*
>>
>> The call for presentations and workshop *registration in: *
>> *https://goo.gl/u5rTFV* <https://goo.gl/u5rTFV>
>> *deadline *to present proposals is* 21 Dec 2019*
>>
>> any info can be asked to: userconf2...@qgis.es
>>
>> The International QGIS User and Developer Conference wants to be the
>> referential conference, and a meeting point for the family of users and
>> developers orbiting around the QGIS project, in order to gather experiences
>> and sharing knowledge about QGIS. The language of the Conference is English.
>>
>> The event is organized by the *Spanish QGIS Association* [1], the
>> Spanish user group, and the Galician *Xeoinquedos* community [2] with
>> the help of *A Coruña municipality* [3]. The event is under the QGIS.org
>> <http://qgis.org/> umbrella.
>>
>> [1] http://qgis.es/
>> [2] https://xeoinquedos.wordpress.com/
>> [3] https://www.coruna.gal/
>>
>> Luigi Pirelli on behalf of the organizer committee.
>> ___
>> Qgis-psc mailing list
>> qgis-...@lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/qgis-psc
>>
>>
>> —
>>
>>
>>
>>
>>
>>
>>
>> *Tim Sutton*
>>
>> *Co-founder:* Kartoza
>> *Ex Project chair:* QGIS.org <http://qgis.org/>
>>
>> Visit http://kartoza.com to find out about open source:
>>
>> Desktop GIS programming services
>> Geospatial web development
>> GIS Training
>> Consulting Services
>>
>> *Skype*: timlinux
>> *IRC:* timlinux on #qgis at freenode.net
>>
>> 
>
>
> —
>
>
>
>
>
>
>
> *Tim Sutton*
>
> *Co-founder:* Kartoza
> *Ex Project chair:* QGIS.org
>
> Visit http://kartoza.com to find out about open source:
>
> Desktop GIS programming services
> Geospatial web development
> GIS Training
> Consulting Services
>
> *Skype*: timlinux
> *IRC:* timlinux on #qgis at freenode.net
>
>
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Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

much much better, really thanks :)
Luigi Pirelli

**
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**


On Mon, 3 Dec 2018 at 23:21, Tim Sutton  wrote:

> Done hopefully looks ok now? If you can share a pic of A Coruña I will add
> it to the post.
>
> Regards
>
> Tim
>
> On 03 Dec 2018, at 23:45, Luigi Pirelli  wrote:
>
> thank you tim... please can you adjust the blog post formatting?
>
> Luigi Pirelli
>
>
> **
> * LinkedIn: https://www.linkedin.com/in/luigipirelli
> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> * GitHub: https://github.com/luipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **
>
>
> On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:
>
>> Thanks for this email Luigi - I made a blog post with more-or-less your
>> text below here:
>>
>>
>> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>>
>> Regards
>>
>> Tim
>>
>> On 03 Dec 2018, at 18:10, Luigi Pirelli  wrote:
>>
>> Next* International QGIS User Conference and Developer Meeting* will
>> take place in the week from *4 to 10 March 2019 in A Coruña (Spain).*
>>
>> The call for presentations and workshop *registration in: *
>> *https://goo.gl/u5rTFV* <https://goo.gl/u5rTFV>
>> *deadline *to present proposals is* 21 Dec 2019*
>>
>> any info can be asked to: userconf2...@qgis.es
>>
>> The International QGIS User and Developer Conference wants to be the
>> referential conference, and a meeting point for the family of users and
>> developers orbiting around the QGIS project, in order to gather experiences
>> and sharing knowledge about QGIS. The language of the Conference is English.
>>
>> The event is organized by the *Spanish QGIS Association* [1], the
>> Spanish user group, and the Galician *Xeoinquedos* community [2] with
>> the help of *A Coruña municipality* [3]. The event is under the QGIS.org
>> <http://qgis.org/> umbrella.
>>
>> [1] http://qgis.es/
>> [2] https://xeoinquedos.wordpress.com/
>> [3] https://www.coruna.gal/
>>
>> Luigi Pirelli on behalf of the organizer committee.
>> ___
>> Qgis-psc mailing list
>> qgis-...@lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/qgis-psc
>>
>>
>> —
>>
>>
>>
>>
>>
>>
>>
>> *Tim Sutton*
>>
>> *Co-founder:* Kartoza
>> *Ex Project chair:* QGIS.org <http://qgis.org/>
>>
>> Visit http://kartoza.com to find out about open source:
>>
>> Desktop GIS programming services
>> Geospatial web development
>> GIS Training
>> Consulting Services
>>
>> *Skype*: timlinux
>> *IRC:* timlinux on #qgis at freenode.net
>>
>> 
>
>
> —
>
>
>
>
>
>
>
> *Tim Sutton*
>
> *Co-founder:* Kartoza
> *Ex Project chair:* QGIS.org
>
> Visit http://kartoza.com to find out about open source:
>
> Desktop GIS programming services
> Geospatial web development
> GIS Training
> Consulting Services
>
> *Skype*: timlinux
> *IRC:* timlinux on #qgis at freenode.net
>
>
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Re: [QGIS-Developer] [Qgis-psc] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

thank you tim... please can you adjust the blog post formatting?

Luigi Pirelli

**
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* Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
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*
https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
* Hire me: http://goo.gl/BYRQKg
**


On Mon, 3 Dec 2018 at 19:09, Tim Sutton  wrote:

> Thanks for this email Luigi - I made a blog post with more-or-less your
> text below here:
>
>
> http://blog.qgis.org/2018/12/03/call-for-presentations-qgis-user-conference-and-developer-meeting-2019/
>
> Regards
>
> Tim
>
> On 03 Dec 2018, at 18:10, Luigi Pirelli  wrote:
>
> Next* International QGIS User Conference and Developer Meeting* will take
> place in the week from *4 to 10 March 2019 in A Coruña (Spain).*
>
> The call for presentations and workshop *registration in: *
> *https://goo.gl/u5rTFV* <https://goo.gl/u5rTFV>
> *deadline *to present proposals is* 21 Dec 2019*
>
> any info can be asked to: userconf2...@qgis.es
>
> The International QGIS User and Developer Conference wants to be the
> referential conference, and a meeting point for the family of users and
> developers orbiting around the QGIS project, in order to gather experiences
> and sharing knowledge about QGIS. The language of the Conference is English.
>
> The event is organized by the *Spanish QGIS Association* [1], the Spanish
> user group, and the Galician *Xeoinquedos* community [2] with the help of *A
> Coruña municipality* [3]. The event is under the QGIS.org umbrella.
>
> [1] http://qgis.es/
> [2] https://xeoinquedos.wordpress.com/
> [3] https://www.coruna.gal/
>
> Luigi Pirelli on behalf of the organizer committee.
> ___
> Qgis-psc mailing list
> qgis-...@lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/qgis-psc
>
>
> —
>
>
>
>
>
>
>
> *Tim Sutton*
>
> *Co-founder:* Kartoza
> *Ex Project chair:* QGIS.org
>
> Visit http://kartoza.com to find out about open source:
>
> Desktop GIS programming services
> Geospatial web development
> GIS Training
> Consulting Services
>
> *Skype*: timlinux
> *IRC:* timlinux on #qgis at freenode.net
>
>
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[QGIS-Developer] Deadline 21Dec2018: Call for presentations and workshop for International QGIS UserConf

[Luigi Pirelli]

Next* International QGIS User Conference and Developer Meeting* will take
place in the week from *4 to 10 March 2019 in A Coruña (Spain).*

The call for presentations and workshop *registration in: *
*https://goo.gl/u5rTFV* <https://goo.gl/u5rTFV>
*deadline *to present proposals is* 21 Dec 2019*

any info can be asked to: userconf2...@qgis.es

The International QGIS User and Developer Conference wants to be the
referential conference, and a meeting point for the family of users and
developers orbiting around the QGIS project, in order to gather experiences
and sharing knowledge about QGIS. The language of the Conference is English.

The event is organized by the *Spanish QGIS Association* [1], the Spanish
user group, and the Galician *Xeoinquedos* community [2] with the help of *A
Coruña municipality* [3]. The event is under the QGIS.org umbrella.

[1] http://qgis.es/
[2] https://xeoinquedos.wordpress.com/
[3] https://www.coruna.gal/

Luigi Pirelli on behalf of the organizer committee.
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Re: [QGIS-Developer] Plugin [1568] StreetAnalysis approval notification.

[Luigi Pirelli]

metadata of the plugin are wrong!
Luigi Pirelli

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On Mon, 26 Nov 2018 at 21:50,  wrote:

>
> Plugin StreetAnalysis approval by pcav.
> The plugin version "[1568] StreetAnalysis 0.2" is now approved
> Link: http://plugins.qgis.org/plugins/StreetAnalysis/
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Re: [QGIS-Developer] Memory utilisation by Qgis

[Luigi Pirelli]

many times crash are related to code bugs, can you be more precise?
what qgis version? a reproducible sequence of steps that generate teh crash
(if possible)

btw, the best method is to report this as issue in the issue tracker adding
all info necessary to try to replicate.

regards

Luigi Pirelli

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On Thu, 22 Nov 2018 at 07:42, Patrick Dunford 
wrote:

> Hi
>
> I have some questions about how Qgis engages with the memory management
> system, specifically Linux.
>
> I have had a few crashes on my computer where the software crashes where
> it looks like some sort of memory limit has been reached.
>
> On each time I have seen the software unexpectedly crash the computer's
> physical memory was approximately three quarters used and there was no
> swap being used.
>
> This computer has 32 GB of RAM and 50 GB of swap. The disk that holds
> the swap is an SSD with a / partition and a swap partition, whereas
> /home is on a separate set of disks.
>
> I see the swap being used all the time by other applications but I have
> never seen a swap file being engaged when I am using Qgis, because it
> always would crash or show some other apparent resource-limitation
> behaviour before the physical memory was all used up and no swap was
> being used.
>
> Swap is used regularly by other apps on this computer, notably Gimp.
>
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Re: [QGIS-Developer] Plugin [1349] GeoHey Toolbox approval notification.

[Luigi Pirelli]

please, no description is available for this plugin!

Luigi Pirelli

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On Sat, 10 Nov 2018 at 06:44,  wrote:

>
> Plugin GeoHey Toolbox approval by pcav.
> The plugin version "[1349] GeoHey Toolbox 0.4" is now approved
> Link: http://plugins.qgis.org/plugins/GeoHey-Toolbox/
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Re: [QGIS-Developer] Execute SQL

[Luigi Pirelli]

may you check on latest 3.4 and master version please?
Luigi Pirelli

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On Thu, 8 Nov 2018 at 14:26, Herbert Lincon 
wrote:

> Hello,
> in the user list, no-one could help me, can you?
> sorry if I'm badly using this developer list
>
>
>
> In QGIS 2.18.23, I´m using the model "Execute SQL" from the Tollbox to run
> the statment:
>
> "SELECT * FROM input1 ORDER BY TALHAO ASC;"
>
> ​where "TALHAO" is the name of a colum with integer values.
>
>
>
> My issue is:
>
> I made a Model with several steps, and I need to put this SQL statment in
> the middle of it,
>
> but this process never accept a output as input.
>
> For example: if the "Execute SQL" is the first step, it will execute
> normally,
>
> but if it is not the first one, I got this error:
>
>
>
> Error executing algorithm Execute SQL
>
> *virtual:* Cannot find layer OUTPUTALGQGISDISSOLVE1_shp20181015165259558
>
> Searching in the %temp% folder, this output file do exist!
>
>
>
> I made another attempt,
>
> with the SQL as first step,
>
> if the input shape is named starting with letter, it will run
>
> if the input name´s starts with number, a got this error:
>
>
>
> Error executing algorithm Execute SQL
>
> *virtual:* Query execution error on DROP TABLE IF EXISTS "input1"; CREATE
> VIRTUAL TABLE "input1" USING QgsVLayer(81121_463_DE20181015165152041);: 1 -
> unrecognized token: "81121_463_DE20181015165152041"
>
>
>
>
>
> I can´t understand why sometimes this algoritm run, and sometimes not
>
> I would appreciate some help
>
>
>
> Thanks for the Attention
>
> __
> *Herbert Lincon R. A. dos Santos*
>
>
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Re: [QGIS-Developer] Early 3.4 point release?

[Luigi Pirelli]

I feel that this is a really serious issue that IMHO can justify a point
release

Peter, +1 to a release candidate

Luigi Pirelli

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On Wed, 31 Oct 2018 at 08:04, Peter Petrik <
peter.pet...@lutraconsulting.co.uk> wrote:

> Hi,
>
> > Bah... feels like *every* major release someone ends up sending an
> email like this...
>
> My opinion this may show a problem with our development cycle setup. In my
> previous company, different closed-sourced software, we had so called code
> freeze. For example it could be 1-2 weeks before actual release and ideally
> some users would have time to test the "release-candidate" of QGIS before
> going public.
>
> From wikipedia:
>
>- A *(complete) code freeze*, in which no changes whatsoever are
>permitted to a portion or the entirety of the program's source code.
>Particularly in large software systems, any change to the source code may
>have unintended consequences
><https://en.wikipedia.org/wiki/Regression_bug>, potentially
>introducing new bugs; thus, a code freeze helps ensure that a portion of
>the program that is known to work correctly will continue to do so. Code
>freezes are often employed in the final stages of development, when a
>particular release or iteration is being tested, but may also be used to
>prevent changes to one portion of a program while another is undergoing
>development.
>
> Cheers,
> Peter
>
> On Wed, Oct 31, 2018 at 6:32 AM Mathieu Pellerin 
> wrote:
>
>> That's rather unfortunate, but most probably needed. The issue raised,
>> 20262, affects WMS(T), XYZ, WFS, etc. layers.
>>
>> On top of - and very much due to - the gravity of the bug itself, 3.4 is
>> flagged as LTR, and it'd be most appropriate to insure that people jumping
>> onto this new LTR aren't left with a bad first impression.
>>
>> Math
>>
>>
>>
>>
>> On Wed, Oct 31, 2018 at 8:55 AM Nyall Dawson 
>> wrote:
>>
>>> Bah... feels like every major release someone ends up sending an email
>>> like this... but in this case, https://issues.qgis.org/issues/20262
>>> has totally destroyed QGIS network based providers with Qt 5.11 and
>>> above.
>>>
>>> This is not anyone's fault -- it's an upstream change in the Qt
>>> library which changed some behavior we relied on. Not there fault, not
>>> our fault. But end result is that it makes QGIS basically unusable for
>>> any non gdal/ogr layers on Qt >= 5.11. And unfortunately our major
>>> platforms only saw an upgrade to Qt 5.11 late in the bug fixing
>>> period, which made this one slow to be identified.
>>>
>>> https://github.com/qgis/QGIS/pull/8383 should fix it.
>>>
>>> Soo could we break the normal cycle and get a point release out
>>> quickly? (Ideally with a couple of days prenotice so that anyone else
>>> working on urgent bug fixes could get them in too)
>>>
>>> Nyall
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Re: [QGIS-Developer] Looking for QGIS developers in the United States

[Luigi Pirelli]

AFAIK the only (active) core developers based in US are Larry Shaffer (aka
Dakarto) and obviously Gary Sherman... I alway wonder why so few devs are
invoved from American continent.

Luigi Pirelli

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On Thu, 25 Oct 2018 at 18:33, Moskovitz, Bob@DOC <
bob.moskov...@conservation.ca.gov> wrote:

> Hello All,
>
>
>
> My name is Robert Moskovitz and I work for the California Geological
> Survey’s Seismic Hazards Program <http://www.conservation.ca.gov/cgs/shp>.
> We have been using QGIS for a while because it is a cross platform GIS and
> it works with our old systems and data.  We also like it because it is so
> versatile (we can make our own plugins, customizable forms, many different
> ways to import and export data, solve many problems that would make ArcGIS
> crawl, etc.).  Unfortunately, QGIS has a weakness that is preventing it
> from taking off here at CGS… QGIS Relations does not work with composite
> keys <https://issues.qgis.org/issues/9531>.  So, I was wondering if there
> are any QGIS developer based in the USA  (preferably a core developer) who
> can solve this problem for us?
>
>
>
> Thank you,
>
>
>
> Robert Moskovitz
>
> California Geological Survey
>
> Seismic Hazards Zonation Program
>
>
>
> Every Californian should conserve water.  Find out how at:
>
> [image: SaveOurWater_Logo] <http://saveourwater.com/>
>
> SaveOurWater.com <http://saveourwater.com/> · Drought.CA.gov
> <http://drought.ca.gov/>
>
>
>
> CONFIDENTIALITY NOTICE: This communication is intended only for the use of
> the individual or entity to which it is addressed. This message contains
> information from the State of California, California Geological Survey,
> which may be privileged, confidential and exempt from disclosure under
> applicable law, including the Electronic Communications Privacy Act. If the
> reader of this communication is not the intended recipient, you are hereby
> notified that any dissemination, distribution, or copying of this
> communication is strictly prohibited.
>
>
>
>
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[QGIS-Developer] Letter form to Schools, Universities and Institutions against free(as beer) licenced SW

[Luigi Pirelli]

Hi

In Spain, but I suppone in every place of the world, there are many
schools, universities or institutions that are dumped with free licences to
their users. This happen especially in school and univerisities.

Do we have best practices (e.g letter templates) describing the effect to
teach proprietary GIS sw respect open/free solutions?

whould be fine to have a template that could be enriched with national or
regional laws.

regards

Luigi Pirelli

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Re: [QGIS-Developer] QgsProcessing vector types combobox

[Luigi Pirelli]

add in a model preceding with "promote to multipart" or "multiparts to
singleparts" ?
Luigi Pirelli

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On Wed, 10 Oct 2018 at 14:26, Carlo A. Bertelli (Charta s.r.l.) <
carlo.berte...@gmail.com> wrote:

> May I support this request by Matteo?
> When processing geometries, undesired multi-geometries are a frequent
> outcome. It may even be useful to show the users that that the procedure
> has a multi-geometry output. This usually means there are uplanned outcomes
> and that the algorithm is not properly configured and/or is a wrong
> solution for your problem.
> Anyway, being able to precede a process with a multi-to-single algorithm
> would be really convenient.
> Thanks for pointing this out.
> c
>
> On Wed, Oct 10, 2018 at 9:27 AM Matteo Ghetta 
> wrote:
>
>> Hi devs,
>>
>> if I'm not wrong Processing script input combobox can filter some vector
>> types [0] but does not distinguish between single and multi geometries.
>>
>> I think this could be useful to add. I faced a problem where an
>> algorithm could not run with multipoint geometries, but I had to filter
>> them after the RUN button was clicked
>>
>> Some opinions?
>>
>> Cheers
>>
>> Matteo
>>
>>
>>
>> [0] https://qgis.org/pyqgis/master/core/Processing/QgsProcessing.html
>>
>> --
>> Matteo Ghetta - www.faunalia.eu
>> QGIS & PostGIS courses: http://www.faunalia.eu/training.html
>> https://www.google.com/trends/explore?date=all=IT=qgis,arcgis
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>
>
> --
> --
> Carlo A. Bertelli
>Charta servizi e sistemi per il territorio e la storia ambientale srl
>   Dipendenze del palazzo Doria,
>   vc. alla Chiesa della Maddalena 9/2 16124  Genova (Italy)
>   tel./fax +39(0)10 2475439  +39 0108566195  mobile:+39 393 1590711
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> --
>
>
>
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Re: [QGIS-Developer] provide an exe with a plugin

[Luigi Pirelli]

I would say yes because all your code is free, but, in this moment, we
don't have (in plugin manager) a way to verify md5 or sha check sum to
verify that the executable you attach is exactly the original one.
I would suggest to refactor your code to do post download of executables.
Remember there are also processing toolbox components to allow download
files. I Would do a post setup of the plugin asking the user the permission
to download further executables.

so, resuming, IMHO the answer, is NO it's not possible :( but I would be
open to any qgis improvement that could facilitate this cases.

Luigi Pirelli

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On Mon, 8 Oct 2018 at 09:28, PALMIER Patrick (Responsable de groupe) -
CEREMA/DTerNP/DATHa/MT  wrote:

> Hello,
>
>
> I've developped a Qgis plugin called "networks" as an algorithm provider
> (github page https://github.com/crocovert/networks) which provide several
> algorithm for network management and the generation input files for a
> multimodal routing tool call Musliw I've previously developped
>
> This tool Musliw (open source) was developped in C# with monodevelop.It
> runs on windows adn linux (with mono runtime). The source code is located
> in my github page (https://github.com/crocovert/muslic)
>
>
> Is it acceptable to provide this binary file (muslic.exe) with the plugin
> and should I only provide python algorithms scripts
>
>
> Thank you for your answers
>
> Patrick Palmier
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