Re: [QGIS-Developer] [Qgis-user] A nice task for a community member: revamping the QGIS github landing page

[Ben Hur Pintor]

+1 on adding geometry generators as a bullet point.

I was thinking that aside from the screenshot/images, we can also add links
directly to the bullet points that would send readers/users to a good
resource discussing that bullet point/feature. There are already quite a
number of good resources (e.g. videos and blog posts by the community --
videos and posts by Klas, Anita, Nyall, Tim, etc. -- as well as the
official documentation) discussing some of the features we want to
highlight. Might be good to have those on the README as well.

All the best,
Ben Hur
---
*Ben Hur S. Pintor | BNHR <https://bnhr.xyz>*
bnhr.xyz
h...@bnhr.xyz






On Tue, Feb 23, 2021 at 7:34 PM Jorge Gustavo Rocha 
wrote:

> Hi all,
>
> Nice work, Martin!
>
> Yes, the text itself and the images are not properly formatted.
>
> Right now the goal is to validate and improve the structure and the key
> arguments, as I understand. Afterwards, images can be improved and
> properly formatted in  markdown.
>
> I think everyone can edit this proposal in place, to submit improvements
> as a PR. Matthias already did it. My contribution just landed there.
>
> https://github.com/Houska1/QGIS/edit/README-md-update/README.md
>
> Regards,
>
> Jorge
>
> Às 08:29 de 23/02/21, JD L escreveu:
> > Hi Martin,
> > I have the impression that it's not suitable for small screen ? Do you
> > confirm ?
> >
> >
> > Le mar. 23 févr. 2021 à 09:08, Tyler Eshelman  > <mailto:teshelman@gmail.com>> a écrit :
> >
> > Hello everyone,
> >
> > This is my first time replying to these emails since joining the
> > QGIS development list.
> > Besides the landing page, are there any other beginner tasks that
> > you have in mind for someone to begin contributing to this project?
> >
> > Please let me know when you have a moment free.
> >
> > Respectfully,
> >
> > Tyler
> >
> > —
> >
> > On Mon, Feb 22, 2021 at 6:54 PM Martin Pergler  > <mailto:perg...@gmail.com>> wrote:
> >
> > As per the thread last week, with the help of Jorge Gustavo
> > Rocha (regarding
> > server) and Ben Hur Pintor, I've taken a first crack at revising
> > the Github
> > landing page to be more exciting, up-to-date, and visual.
> >
> > The current draft is at
> > https://github.com/Houska1/QGIS/blob/README-md-update/README.md;
> all
> > comments welcome (here, there, or by email to perg...@gmail.com
> > <mailto:perg...@gmail.com>).
> >
> > At this stage, I'd love to get buy in on the overall structure,
> > and the
> > choice of the 5 high-level points under Features. We can then
> > hunt for
> > better illustrations for each -- right now, I grabbed something
> > from the
> > user manual or qgis.org <http://qgis.org> gallery for each one,
> > but we can probably do better.
> > Might even make sense to make something custom at a better image
> > size/resolution (but only once we're collectively happy we have
> > the right
> > points to illustrate...).
> >
> > Cheers,
> > Martin
> >
> >
> >
> > --
> > Sent from:
> > http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html
> > ___
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>
> J. Gustavo
> --
> Jorge Gustavo Rocha
> Departamento de Informática
> Universidade do Minho
> 4710-057 Braga
> Gabinete 3.29 (Piso 3)
> Tel: +351 253604480
> Fax: +351 253604471
> Móvel: +351 910333888
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Re: [QGIS-Developer] [Qgis-user] A nice task for a community member: revamping the QGIS github landing page

[Ben Hur Pintor]

Hi Martin,

I would like to help you with this in case you need it. I'm fairly
comfortable with both QGIS' capabilities and working with Markdown. Do let
me know how I can help and how we can collaborate.

Thanks!

All the best,
Ben Hur
---
*Ben Hur S. Pintor | BNHR *
bnhr.xyz
h...@bnhr.xyz






On Tue, Feb 16, 2021 at 9:15 AM Martin Pergler  wrote:

> Happy to take this on (next week, this week is a bit crazy).
> I like all 3 examples given: key thing being leading off much more with an
> easy-to-understand, illustrated list of main functionality and use cases.
>
> By way of introduction, 30 years ago I was a software developer, back when
> Pascal and C (++ was cutting edge!) were mainstream and Prolog was sexy (at
> least for geeks, that is). I then became a mathematician for a while,
> before
> going into business consulting. I've done a fair amount of technical
> writing
> and ran an editorial board for a while. My day job is now risk consulting,
> including probabilistic modeling, Excel/VBA, and R. On the side I help
> manage and preserve a decent chunk of Canadian wilderness, through which in
> the past couple of years I've become more and more involved in GIS. First,
> just making a map of the darned thing, but more recently vegetation and
> land-use analysis, indexing of research notes and wildlife photos,
> automation so others can use it, and even more recently UAV 2.5D mapping.
> I'm also a frequent contributor (Q and A) at gis.stackexchange.com
>
> Happy also to work on this 4 (or more) hands if anyone else wants to help
> out. Otherwise, I'll sit back this week and accept with gratitude any
> additional suggestions of what to cover or how. I'll then come back with a
> 1st (but doubtlessly incomplete) draft next week.
>
> Martin Pergler
>
>
>
>
> --
> Sent from:
> http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html
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Re: [QGIS-Developer] [Qgis-user] Thoughts on QGIS Development and LTR Releases

[Ben Hur Pintor]

Hi everyone,

I'm not a QGIS developer but I've been a user since 1.X days. Aside from a
few quirks (e.g. dependency issues on Linux), I've always liked the QGIS
release cycle so I'm coming from that perspective.

To add to Alexandre's explanation, this is usually how I explain QGIS
releases:
There are 3 branches of development - LR (Latest Release), LTR (Long Term
Release), and nightly builds. Let's take a look at the LR and LTR branches.

I usually take "maintained" to mean that the branch is actively developed
-- bugs will be fixed, new features are added, etc.

The LTR (now 3.10.3) is maintained until the next LTR (in 12 months when
3.16.4 becomes the LTR). During those 12 months, a PR (Point Release) will
be released for the LTR branch each month (named 3.10.4, 3.10.5, ...,
3.10.14). This PR includes the bug fixes for 3.10.X. Being an LTR means
that there (usually) won't be any changes that will break that version in 1
year. This is usually why people think of LTR as "stable".

The LR (now 3.12.0) contains the most recent features of QGIS. A new LR is
released every 4 months. The next LR (3.14) is slated to be released in
June 2020, the next after that is 3.16 in October 2020. The 2nd LR released
after the release of the LTR is the version that will become the next LTR.
In this case, the 3.16 version that will be released in October 2020 is
slated to become the LTR after 4 months (e.g. 3.16.4 will become the LTR by
February 2021). For each month, a PR is also released for the LR branch
until a new LR is released. For example, there will be a 3.12.1, 3.12.2,
and 3.12.3 releases for March, April, and May 2020 until the 3.14 release
in June. This repeats for 3.14.1,..,3.14.3 until the 3.16 release in
October. Throughout the year, there can be big changes between LR versions
(e.g. between 3.12, 3.14, and 3.16) as compared to the LTR which stays at
3.10.X. It's also worth noting that useful features in the LR branch can be
backported (added to) the LTR branch.

The "LR/PR" released every 4 months denotes that the release is a new LR.
The "LTR/PR" released in October denotes that this release will be the next
LTR. It is not put in the LTR repo until 4 months later (February) where it
officially becomes the LTR.

We can also think of it this way:
For the LTR branch, you can expect updates every month of its life (or with
every point release) with 3.10.3, 3.10.4, 3.10.5, ..., 3.10.14 but these
will usually be minor and not so drastic.
Meanwhile, there may be drastic and major changes between LRs like 3.12,
3.14, 3.16, etc. but only minor changes between PRs of the same LR -- eg
3.12.1 and 3.12.2, 3.14.1 and 3.14.2, etc.

I also agree that the road map found at
https://www.qgis.org/en/site/getinvolved/development/roadmap.html is geared
a lot towards dev people but, in its defense, it is located under the "Get
Involved/Development" part of the documentation.

If I have misrepresented or misunderstood anything, please don't hesitate
to correct me.


All the best,
Ben Hur

On Sun, Mar 1, 2020 at 12:13 PM Alexandre Neto 
wrote:

> Hi Groene,
>
> I agree that the Road map is not easy to understand. Just to clarify
> things (I hope):
>
> The current LTR is 3.10 (currently at 3.10.3). It only became LTR in
> February although its first release was done in october (3.10.0). The idea
> is to let it mature (and have a broader usage and tests) for at least 4
> months before it becomes LTR.
>
> This means that for the next 12 months, more or less every month a new
> patch release will come out. That will be 3.10.4, 3.10.5 and so on. Only
> bug fixes are allowed on these releases, no new features.
>
> If there is a version with some extra number (e.g. 3.4.13-3) it means that
> something happened during packaging of the patch release, requiring a new
> package/installer to be created. You should always try to use the latest
> version of the LTR version, which should be the most stable one.
>
> Hope it helps.
>
> Alexandre Neto
>
> On Sat, Feb 29, 2020 at 7:11 PM Groene Bij  wrote:
>
>> Hi all,
>>
>>
>>
>> Thank you for bringing up this topic.
>>
>> For me the release schedule and the different abbreviations are not very
>> helpful when choosing a qgis version to install. I am not a software
>> developer and thus have little understanding what the different releases
>> are all about.
>>
>>
>>
>> Clarity, however, is always appreciated, and that is the main thing
>> missing in this topic:
>>
>>
>>
>> Chris is talking about 3.10.2 having been labeled LTR
>>
>> Qgis.org right now (29th of February) is mentioning 3.10.3 as LTR
>>
>> The release schedule on qgis.org is mentioning 3.10.3 as LR with 3.4.13
>> being the most recent LTR
>>
>> So things are unclear. Qgis.org itself seems to be unclear which version
>> actually is the LTR.
>>
>>
>>
>> The information on the Road Map page (schedule release) is also unclear:
>>
>> “The schedule is aligned to produce roughly the same dates for each year
>> given our four monthly releases 

Re: [QGIS-Developer] QGIS packages build against ubuntugis-unstable dependencies

[Ben Hur Pintor]

Hi Bernd and Jürgen,

Thank you for your replies. I decided to use the nightly repository first
while waiting for the point release.

Sincerely,
Ben Hur

On Fri, Dec 6, 2019 at 5:24 PM Jürgen E. Fischer  wrote:

> Hi Ben Hur,
>
> On Fri, 06. Dec 2019 at 14:41:27 +0800, Ben Hur Pintor wrote:
> > Am I correct in thinking that rebuilding QGIS against the
> > ubuntugis-unstable dependencies would solve this issue?
>
> Yes, that would be the last option from the note in the debian/ubuntu
> section:
>
> """
> The release packages are only produced once shortly after a new version has
> been released. As unstable, not yet released debian versions (testing) and
> ubuntugis-unstable can have library changes the packages might sooner or
> later
> be broken for these targets, when the development in debian, ubuntu or
> ubuntugis-unstable moves on and their packages used as dependencies in qgis
> change. In that event you can either
>
> * move to a stable debian version and use the released packages for it,
> * wait for the next point release (due 2019-12-06 12:00:00 UTC), which
> happens
>   every month and will include the updated dependencies,
> * switch to a nightly repository (available for the two release branches
> and
>   master) whose packages are rebuild on regular basis and will also pickup
> the
>   updated dependencies automatically or
> * build your own set of packages (see INSTALL).
> """
>
>
> Jürgen
>
> --
> Jürgen E. Fischer   norBIT GmbH Tel. +49-4931-918175-31
> Dipl.-Inf. (FH) Rheinstraße 13  Fax. +49-4931-918175-50
> Software Engineer   D-26506 Norden
> https://www.norbit.de
> QGIS release manager (PSC)  GermanyIRC: jef on FreeNode
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Re: [QGIS-Developer] [Qgis-user] Buffer Algorithm (Buffer distance of output polygon is not equal to the Distance parameter)

[Ben Hur Pintor]

That's odd. I redid the entire thing just now (restarted QGIS, made scratch
point layer, created a 100m buffer) and the values I get are now correct.
Even the area computations were off in the first one but after redoing the
process, everything looks good.

 point-buffer2.png
<https://drive.google.com/file/d/1EmWTh3mgyOAvNRUzxMQgxVmMJZqg_-pg/view?usp=drive_web>

Weird. Maybe I missed something during the first one. Hahaha.

Anyway, sorry for bothering you all.

Cheers!

On Thu, Sep 27, 2018 at 11:07 PM DelazJ  wrote:

> Hi,
> There might be more information in the *Info* drop-down menu. Expand it,
> please.
>
> Harrissou
>
> Le jeu. 27 sept. 2018 à 16:55, Ben Hur Pintor  a
> écrit :
>
>> Hi everyone.
>>
>> I apologize if this has been asked before but I would just like to
>> clarify if this is how the buffer algorithm in QGIS should function.
>>
>> *Issue:* The actual distance from the input layer to the buffer polygon
>> created by the Buffer processing tool (and v.buffer) is not equal (only
>> around 80%) to the Distance parameter provided in the said tool.
>>
>> *Example:* My coordinate reference system is WGS84/UTM Zone 51N (EPSG:
>> 32651). I create a 100m buffer around a point but when I measure the
>> resulting circle, its edge is only ~80m from the point (see buffer-point
>> and buffer-point-distance below).
>>
>>  buffer-point.png
>> <https://drive.google.com/file/d/1SAptLcRKnGVc8zyESkl-sJZ23a5OWEsy/view?usp=drive_web>
>>
>>  buffer-point-distance.png
>> <https://drive.google.com/file/d/1aQ0mfadGnEzISkPnu-GGX9SUu1GXhGMs/view?usp=drive_web>
>>
>> I create a 50m buffer around a line but when I measure the resulting
>> buffer, its edge is only ~40m from the line (see line-buffer and
>> line-buffer-distance below).
>>
>>  line-buffer.png
>> <https://drive.google.com/file/d/11cNTRNbHxB3cFCaZEhXDWqKYEdWJX31K/view?usp=drive_web>
>>
>>  line-buffer-distance.png
>> <https://drive.google.com/file/d/1PGRabSqF-zrOCpAboncQ_yQxx_0ulByN/view?usp=drive_web>
>>
>>
>> Clarifications will be much appreciated. Maybe I just missed some part of
>> the documentation.
>>
>> Thank you.
>>
>> Sincerely,
>> Ben Hur
>>
>> --
>> ---
>>
>> *Ben Hur S. Pintor*
>> bnhr.xyz
>>
>>
>> Consultancy · Training & Support · Development & Innovation
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>

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[QGIS-Developer] Buffer Algorithm (Buffer distance of output polygon is not equal to the Distance parameter)

[Ben Hur Pintor]

Hi everyone.

I apologize if this has been asked before but I would just like to clarify
if this is how the buffer algorithm in QGIS should function.

*Issue:* The actual distance from the input layer to the buffer polygon
created by the Buffer processing tool (and v.buffer) is not equal (only
around 80%) to the Distance parameter provided in the said tool.

*Example:* My coordinate reference system is WGS84/UTM Zone 51N (EPSG:
32651). I create a 100m buffer around a point but when I measure the
resulting circle, its edge is only ~80m from the point (see buffer-point
and buffer-point-distance below).

 buffer-point.png


 buffer-point-distance.png


I create a 50m buffer around a line but when I measure the resulting
buffer, its edge is only ~40m from the line (see line-buffer and
line-buffer-distance below).

 line-buffer.png


 line-buffer-distance.png



Clarifications will be much appreciated. Maybe I just missed some part of
the documentation.

Thank you.

Sincerely,
Ben Hur

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Re: [QGIS-Developer] How to build QGIS 2.99 with 3D?

[Ben Hur Pintor]

I remember bumping into an error when I turned that option on last time.
Will try again. Thanks!

Thanks also for your awesome work with QGIS 3D, I used it in one my
research projects in grad school this semester and people have been
pleasantly surprised that I could do 3D with Q. I'm doing my best to get
more people here to use Q and showcasing the new features in the upcoming
QGIS 3 release (like 3D support) is one of the ways I thought of.

Cheers!

On Mon, Dec 11, 2017 at 4:12 PM, Peter Petrik <
peter.pet...@lutraconsulting.co.uk> wrote:

> Hi Ben
>
> The blog post https://www.lutraconsulting.co.uk/blog/2017/08/06/
> qgis3d-build/  uses CMake flag `-DWITH_BINDINGS=FALSE \`. If you want to
> have python bindings/plugins, turn it on.
>
> Peter
>
>
> On Wed, Dec 6, 2017 at 3:41 PM, Yves Jacolin <yjaco...@free.fr> wrote:
>
>> Another way to try QGIS 3D:
>>
>> docker run --rm -ti -e DISPLAY=unix${DISPLAY} -v
>> /tmp/.X11-unix:/tmp/.X11-unix -v ${HOME}:${HOME} camptocamp/qgis-server:3
>> /usr/local/bin/start-client.sh
>>
>> You can add "--add-host osm.tatras:172.18.0.1" to create an host to your
>> local system or so.
>>
>> Y.
>>
>> Le 06/12/2017 à 15:37, Matthias Kuhn a écrit :
>>
>> On 12/06/2017 03:20 PM, Ben Hur Pintor wrote:
>>
>> @Saber
>>
>> I had the same issue with python and Qt 5.9. I ended up with 2 build
>>> directories: one for Qt 5.x (comes with your system) and one for Qt 5.9.
>>>
>>
>> I haven't done this yet. Will try it. Thanks! I do hope this is just a
>> problem with my system or some lacking dependency that I don't know of,
>> it'd be a bit of a hassle to have multiple build directories just to test
>> 3D and then other stuff.
>>
>>
>>  @Matthias
>>
>> Did you also build PyQt for the custom installed Qt 5.9?
>>
>>
>> I don't remember doing so. Should I build it myself or will installing it
>> via pip suffice? I'm thinking if I can build using a virtual env with all
>> the python dependencies installed there. Thanks!
>>
>>
>> I remember seeing pyqt in pypi, but I think this ships with yet another
>> set of Qt libraries (besides the system and the ones from the SDK), so I'm
>> not sure about the compatibility.
>>
>> It might be easiest to switch to a distro, where everything is available
>> out of the box already.
>> If you want to give it a try, I once wrote some scripts that compiles all
>> the dependencies on a really old system, which you can use for reference
>>
>> https://github.com/opengisch/osgeo4travis/tree/master/docker/qt5/scripts
>>
>> Matthias
>>
>>
>>
>> Ben Hur
>>
>>
>> On Wed, Dec 6, 2017 at 9:54 PM, Matthias Kuhn <matth...@opengis.ch>
>> wrote:
>>
>>> Did you also build PyQt for the custom installed Qt 5.9?
>>>
>>> Matthias
>>>
>>> On 12/06/2017 02:51 PM, Saber Razmjooei wrote:
>>>
>>> Hi Ben,
>>>
>>> I had the same issue with python and Qt 5.9. I ended up with 2 build
>>> directories: one for Qt 5.x (comes with your system) and one for Qt 5.9.
>>>
>>> Regards
>>> Saber
>>>
>>> On 6 December 2017 at 13:41, Ben Hur Pintor <bnhr@gmail.com> wrote:
>>>
>>>> Hi! Sorry if I'm late to the party but I've regularly been able to
>>>> build 2.99 with 3D support using the instructions from (a)
>>>> https://github.com/qgis/QGIS/blob/master/INSTALL supplemented by (b)
>>>> https://www.lutraconsulting.co.uk/blog/2017/08/06/qgis3d-build/ on my
>>>> Xubuntu 16.04 machine. I didn't encounter any problems with building Qt5.9,
>>>> Qwt, etc though.
>>>>
>>>> The only problem/issue I've had was that plugins are unavailable when
>>>> running the built QGIS. The Settings tab of "Manage and Install Plugins"
>>>> says "No Python support detected thus no settings available." I don't know
>>>> if that's normal because I've only tried building QGIS recently. If you're
>>>> able to build with 3D support or if you know whether this is normal, maybe
>>>> you can also help a brother out.
>>>>
>>>> Thanks!
>>>>
>>>> On Wed, Dec 6, 2017 at 7:28 AM, Alexandre Neto <senhor.n...@gmail.com>
>>>> wrote:
>>>>
>>>>> Following the instructions on that link, I end up being blocked at
>>>>> some point... because I wasn't able to build qwt.
>>>>>

Re: [QGIS-Developer] How to build QGIS 2.99 with 3D?

[Ben Hur Pintor]

@Saber

I had the same issue with python and Qt 5.9. I ended up with 2 build
> directories: one for Qt 5.x (comes with your system) and one for Qt 5.9.
>

I haven't done this yet. Will try it. Thanks! I do hope this is just a
problem with my system or some lacking dependency that I don't know of,
it'd be a bit of a hassle to have multiple build directories just to test
3D and then other stuff.


 @Matthias

Did you also build PyQt for the custom installed Qt 5.9?


I don't remember doing so. Should I build it myself or will installing it
via pip suffice? I'm thinking if I can build using a virtual env with all
the python dependencies installed there. Thanks!


Ben Hur


On Wed, Dec 6, 2017 at 9:54 PM, Matthias Kuhn <matth...@opengis.ch> wrote:

> Did you also build PyQt for the custom installed Qt 5.9?
>
> Matthias
>
> On 12/06/2017 02:51 PM, Saber Razmjooei wrote:
>
> Hi Ben,
>
> I had the same issue with python and Qt 5.9. I ended up with 2 build
> directories: one for Qt 5.x (comes with your system) and one for Qt 5.9.
>
> Regards
> Saber
>
> On 6 December 2017 at 13:41, Ben Hur Pintor <bnhr@gmail.com> wrote:
>
>> Hi! Sorry if I'm late to the party but I've regularly been able to build
>> 2.99 with 3D support using the instructions from (a)
>> https://github.com/qgis/QGIS/blob/master/INSTALL supplemented by (b)
>> https://www.lutraconsulting.co.uk/blog/2017/08/06/qgis3d-build/ on my
>> Xubuntu 16.04 machine. I didn't encounter any problems with building Qt5.9,
>> Qwt, etc though.
>>
>> The only problem/issue I've had was that plugins are unavailable when
>> running the built QGIS. The Settings tab of "Manage and Install Plugins"
>> says "No Python support detected thus no settings available." I don't know
>> if that's normal because I've only tried building QGIS recently. If you're
>> able to build with 3D support or if you know whether this is normal, maybe
>> you can also help a brother out.
>>
>> Thanks!
>>
>> On Wed, Dec 6, 2017 at 7:28 AM, Alexandre Neto <senhor.n...@gmail.com>
>> wrote:
>>
>>> Following the instructions on that link, I end up being blocked at some
>>> point... because I wasn't able to build qwt.
>>>
>>> compiling moc/moc_qwt_designer_plotdialog.cpp
>>> In file included from qwt_designer_plugin.h:13:0,
>>>  from qwt_designer_plugin.cpp:23:
>>> /opt/qt59/include/QtDesigner/QDesignerCustomWidgetInterface:4:4:
>>> warning: #warning Header  is
>>> deprecated. Please include 
>>> instead. [-Wcpp]
>>>  #  warning Header  is
>>> deprecated. Please include 
>>> instead.
>>> ^
>>> In file included from moc/../qwt_designer_plugin.h:13:0,
>>>  from moc/moc_qwt_designer_plugin.cpp:9:
>>> /opt/qt59/include/QtDesigner/QDesignerCustomWidgetInterface:4:4:
>>> warning: #warning Header  is
>>> deprecated. Please include 
>>> instead. [-Wcpp]
>>>  #  warning Header  is
>>> deprecated. Please include 
>>> instead.
>>> ^
>>> rm -f libqwt_designer_plugin.so
>>> linking plugins/designer/libqwt_designer_plugin.so
>>> mv -f libqwt_designer_plugin.so plugins/designer/
>>> make[1]: Leaving directory '/tmp/qgis_deps/qwt-6.1.3/designer'
>>>
>>>
>>>
>>> matteo <matteo.ghe...@gmail.com> escreveu no dia terça, 5/12/2017 às
>>> 19:40:
>>>
>>>> Hi Harrissou,
>>>>
>>>> > Hi,
>>>> > Maybe I miss something but I fail to fully understand the link between
>>>> > Matteo needs and your explanation, Patrick. it doesn't look like
>>>> Matteo has
>>>> > issues to build QGIS. He already does it, he compiles from source
>>>> himself (
>>>> > master or any other branch).
>>>> > What he wants is simply a way to build QGIS with 3D enabled, thing
>>>> that by
>>>> > default requires an upgraded version of QT (and not available in even
>>>> known
>>>> > and supported distro like Ubuntu 16.04). Unless I misunderstood...
>>>>
>>>> that's exactly the point. I don't have any problem to build QGIS master
>>>> (and other versions).
>>>> >
>>>> > Btw, which key package is missing in Xenial since january? I also do
>>>> build
>>>> > with Xenial and never felt that i'm missing some key features (except
>>>> 3D
>>>> > but i chose to not upgrade for that - worried to break

Re: [QGIS-Developer] How to build QGIS 2.99 with 3D?

[Ben Hur Pintor]

Hi! Sorry if I'm late to the party but I've regularly been able to build
2.99 with 3D support using the instructions from (a)
https://github.com/qgis/QGIS/blob/master/INSTALL supplemented by (b)
https://www.lutraconsulting.co.uk/blog/2017/08/06/qgis3d-build/ on my
Xubuntu 16.04 machine. I didn't encounter any problems with building Qt5.9,
Qwt, etc though.

The only problem/issue I've had was that plugins are unavailable when
running the built QGIS. The Settings tab of "Manage and Install Plugins"
says "No Python support detected thus no settings available." I don't know
if that's normal because I've only tried building QGIS recently. If you're
able to build with 3D support or if you know whether this is normal, maybe
you can also help a brother out.

Thanks!

On Wed, Dec 6, 2017 at 7:28 AM, Alexandre Neto 
wrote:

> Following the instructions on that link, I end up being blocked at some
> point... because I wasn't able to build qwt.
>
> compiling moc/moc_qwt_designer_plotdialog.cpp
> In file included from qwt_designer_plugin.h:13:0,
>  from qwt_designer_plugin.cpp:23:
> /opt/qt59/include/QtDesigner/QDesignerCustomWidgetInterface:4:4: warning:
> #warning Header  is
> deprecated. Please include 
> instead. [-Wcpp]
>  #  warning Header  is
> deprecated. Please include 
> instead.
> ^
> In file included from moc/../qwt_designer_plugin.h:13:0,
>  from moc/moc_qwt_designer_plugin.cpp:9:
> /opt/qt59/include/QtDesigner/QDesignerCustomWidgetInterface:4:4: warning:
> #warning Header  is
> deprecated. Please include 
> instead. [-Wcpp]
>  #  warning Header  is
> deprecated. Please include 
> instead.
> ^
> rm -f libqwt_designer_plugin.so
> linking plugins/designer/libqwt_designer_plugin.so
> mv -f libqwt_designer_plugin.so plugins/designer/
> make[1]: Leaving directory '/tmp/qgis_deps/qwt-6.1.3/designer'
>
>
>
> matteo  escreveu no dia terça, 5/12/2017 às
> 19:40:
>
>> Hi Harrissou,
>>
>> > Hi,
>> > Maybe I miss something but I fail to fully understand the link between
>> > Matteo needs and your explanation, Patrick. it doesn't look like Matteo
>> has
>> > issues to build QGIS. He already does it, he compiles from source
>> himself (
>> > master or any other branch).
>> > What he wants is simply a way to build QGIS with 3D enabled, thing that
>> by
>> > default requires an upgraded version of QT (and not available in even
>> known
>> > and supported distro like Ubuntu 16.04). Unless I misunderstood...
>>
>> that's exactly the point. I don't have any problem to build QGIS master
>> (and other versions).
>> >
>> > Btw, which key package is missing in Xenial since january? I also do
>> build
>> > with Xenial and never felt that i'm missing some key features (except 3D
>> > but i chose to not upgrade for that - worried to break a working
>> > environment)
>> >
>> > Matteo, have you seen the link I sent earlier (
>> https://www.lutraconsulting.
>> > co.uk/blog/2017/08/06/qgis3d-build/)? Looks like there's a way to have
>> two
>> > versions of qt and build different QGIS depending on what's enabled
>>
>> yep I saw the link (actually also when Martin posted it a few months ago
>> ;) ). Ok, then if this is currently the only way to have 3D enabled I'll
>> try to do that, hoping to not breaking some Qt or other stuff..
>>
>> Thanks!
>>
>> Matteo
>> ___
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>
> --
> Alexandre Neto
> -
> @AlexNetoGeo
> http://sigsemgrilhetas.wordpress.com
> http://gisunchained.wordpress.com
>
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>



-- 
---

*Engr. Ben Hur S. Pintor*
Senior Science Research Specialist
*IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
UP Training Center for Applied Geodesy and Photogrammetry

MS Geomatics Engineering (GeoInformatics)
*National Graduate School of Engineering*
*University of the Philippines Diliman*
Quezon City 1101, PHL
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Re: [QGIS-Developer] Queries on building QGIS 3.

[Ben Hur Pintor]

Oh, so that's what the Locator was. Thanks!

On Thu, Nov 30, 2017 at 1:15 AM, Etienne Trimaille <
etienne.trimai...@gmail.com> wrote:

> 2017-11-29 17:09 GMT+01:00 Ben Hur Pintor <bnhr@gmail.com>:
>
>> 3.) What's the update or plan for the Processing -> Commander function in
>> QGIS 3? I can't seem to find it in my build.
>>
>
> It has been killed. Look for the locator bar in the bottom left corner,
> ctrl+k ;-)
>
>
>>
>> Thank you in advance. Cheers!
>>
>> --
>>
>> *Engr. Ben Hur S. Pintor*
>> Senior Science Research Specialist
>> *IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
>> and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
>> UP Training Center for Applied Geodesy and Photogrammetry
>>
>> MS Geomatics Engineering (GeoInformatics)
>> *National Graduate School of Engineering*
>> *University of the Philippines Diliman*
>> Quezon City 1101, PHL
>>
>> ___
>> 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
>>
>
>


-- 
---

*Engr. Ben Hur S. Pintor*
Senior Science Research Specialist
*IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
UP Training Center for Applied Geodesy and Photogrammetry

MS Geomatics Engineering (GeoInformatics)
*National Graduate School of Engineering*
*University of the Philippines Diliman*
Quezon City 1101, PHL
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Re: [QGIS-Developer] Queries on building QGIS 3.

[Ben Hur Pintor]

Thanks! This works.

Basically, I created a bash script with the following lines:

#!/bin/bash
> export
> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/qt59/lib/:/opt/qt59_libs/qwt-6.1.3/lib/
> ./apps/bin/qgis


Works like a charm.

I'm still getting the "No Python support detected thus no settings
available." message in the Plugins though. Any ideas why?

Cheers!

Ben Hur

On Thu, Nov 30, 2017 at 12:34 AM, Tudor Barascu <tudorbara...@yahoo.com>
wrote:

> Hi,
>
> The library problem can be mitigated by exporting the path to the
> libraries before running qgis from source.
>
> E.g. create a  start-qgis.sh with
>
> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/pathto/qgis-master/lib
> /pathto/qgis-master/bin/./qgis
>
> Then run it..
>
> All the best,
>
> Tudor
>
>
> On Wednesday, November 29, 2017, 6:10:07 PM GMT+2, Ben Hur Pintor <
> bnhr@gmail.com> wrote:
>
>
> Hi all! I built QGIS master (2a960c5) using the instructions from (a) 
> https://github.com/qgis/QGIS/
> blob/master/INSTALL <https://github.com/qgis/QGIS/blob/master/INSTALL>
> supplemented by (b) https://www.lutraconsulting.
> co.uk/blog/2017/08/06/qgis3d- build/
> <https://www.lutraconsulting.co.uk/blog/2017/08/06/qgis3d-build/> because
> I wanted to try the new 3D features. My machine runs on Xubuntu 16.04. The
> build works fine but I noticed a few things.
>
> 1.) Plugins are unavailable when running QGIS from ./output/bin/qgis of
> the build directory. The Settings tab of "Manage and Install Plugins" says
> "No Python support detected thus no settings available." Is this normal?
> I've only tried building QGIS recently so I don't know if it is.
>
> 2.) After doing a ninja install, running qgis from {$HOME}/apps/bin fails
> because it can't find the shared libraries that I used in (b). I tried
> making simlinks to the said libraries to (b) but to no avail. Is there an
> updated/better way to build QGIS with 3D support on Xubuntu 16.04 or should
> I stick to running from the build directory?
>
> 3.) What's the update or plan for the Processing -> Commander function in
> QGIS 3? I can't seem to find it in my build.
>
> Thank you in advance. Cheers!
>
> --
>
> *Engr. Ben Hur S. Pintor*
> Senior Science Research Specialist
> *IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
> and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
> UP Training Center for Applied Geodesy and Photogrammetry
>
> MS Geomatics Engineering (GeoInformatics)
> *National Graduate School of Engineering*
> *University of the Philippines Diliman*
> Quezon City 1101, PHL
> ___
> 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
>



-- 
---

*Engr. Ben Hur S. Pintor*
Senior Science Research Specialist
*IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
UP Training Center for Applied Geodesy and Photogrammetry

MS Geomatics Engineering (GeoInformatics)
*National Graduate School of Engineering*
*University of the Philippines Diliman*
Quezon City 1101, PHL
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[QGIS-Developer] Queries on building QGIS 3.

[Ben Hur Pintor]

Hi all! I built QGIS master (2a960c5) using the instructions from (a)
https://github.com/qgis/QGIS/blob/master/INSTALL supplemented by (b)
https://www.lutraconsulting.co.uk/blog/2017/08/06/qgis3d-build/ because I
wanted to try the new 3D features. My machine runs on Xubuntu 16.04. The
build works fine but I noticed a few things.

1.) Plugins are unavailable when running QGIS from ./output/bin/qgis of the
build directory. The Settings tab of "Manage and Install Plugins" says "No
Python support detected thus no settings available." Is this normal? I've
only tried building QGIS recently so I don't know if it is.

2.) After doing a ninja install, running qgis from {$HOME}/apps/bin fails
because it can't find the shared libraries that I used in (b). I tried
making simlinks to the said libraries to (b) but to no avail. Is there an
updated/better way to build QGIS with 3D support on Xubuntu 16.04 or should
I stick to running from the build directory?

3.) What's the update or plan for the Processing -> Commander function in
QGIS 3? I can't seem to find it in my build.

Thank you in advance. Cheers!

-- 

*Engr. Ben Hur S. Pintor*
Senior Science Research Specialist
*IAMBlueCECAM Project 9: WebGIS for Mapping, Supporting, Decision-making,
and Promoting Ecological Services of Blue Carbon Ecosystems (BlueWebMapS)*
UP Training Center for Applied Geodesy and Photogrammetry

MS Geomatics Engineering (GeoInformatics)
*National Graduate School of Engineering*
*University of the Philippines Diliman*
Quezon City 1101, PHL
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Re: [QGIS-Developer] multipartToSingleParts via code

[Ben Hur Pintor]

What do you mean by *"The plugin runs correctly only the FIRST time.*
*Then, when it finishes, if I run again the plugin choosing an input2
vectorlayer, the processing algorithm doesn't see the input2 and my ouput
remains output1."? *

Are you calling the algorithm inside a loop? May I have a look at your
code? Maybe the issue is in the Python code and not necessarily on QGIS.

I usually use *processing.runandload()* because it automatically adds the
resulting layer.

Regards,

Ben Hur

On Tue, Jun 13, 2017 at 5:31 PM, Stefano Masera <
stefano.mas...@arpa.piemonte.it> wrote:

> Thanks Nyali.
> The reason is that if I use processing it doens't work correctly.
> In details, if I write:
>
> import processing
> processing.runalg("qgis:multiparttosingleparts", input1, output1)
>
> The plugin runs correctly only the FIRST time.
> Then, when it finishes, if I run again the plugin choosing an input2
> vectorlayer, the processing algorithm doesn't see the input2 and my ouput
> remains output1.
> It's crazy!
> It's something like a bad refresh..
>
> If you have another solution
>
> Thank you very much.
>
> Stefano
>
>
> --
> *Da: *"Nyall Dawson" 
> *A: *"Stefano Masera" 
> *Cc: *"qgis-developer" 
> *Inviato: *Martedì, 13 giugno 2017 10:20:31
> *Oggetto: *Re: [QGIS-Developer] multipartToSingleParts via code
>
> On 13 June 2017 at 17:49, Stefano Masera
>  wrote:
> > Hi Nyali,
> > in a few words I want to do a multipartToSingleParts (for a VectorLayer)
> via
> > code without using the processing module.
>
> Any particular reason why?
>
> In any case, I'd suggest copying the code used by processing:
> https://github.com/qgis/QGIS/blob/release-2_18/python/
> plugins/processing/algs/qgis/MultipartToSingleparts.py#L66
>
> Nyall
>
> --
> Questo messaggio e' stato analizzato ed e' risultato non infetto.
> This message was scanned and is believed to be clean.
>
>
>
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>



-- 
---

*Engr. Ben Hur S. Pintor*
*Research Associate*
Phil-LiDAR 2 Project 5: REMap
UP Training Center for Applied Geodesy and Photogrammetry


*Juris Doctor*
College of Law
*University of the Philippines Diliman*
Quezon City 1101, PHL
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Re: [QGIS-Developer] multipartToSingleParts via code

[Ben Hur Pintor]

Hi Stefano.

Correct me if I'm wrong but my understanding is that you want to be able to
call "multiparttosingleparts" in his code the same way you call dissolve.

Something like:

from qgis.xxx import *
xxx = YYY
xxx.multiparttosingleparts(input, output)

Have you tried looking at the API?

I haven't used the qgis processing algorithims in my Python code that way
since they already work fine the way they do now. May I know why you'd like
such a use case?


Regards,

Ben Hur

On Tue, Jun 13, 2017 at 5:33 AM, Nyall Dawson 
wrote:

> On 13 June 2017 at 01:01, Stefano Masera
>  wrote:
> > Hi list,
> > I want to use the 'multiPartToSinglePart' script via code for my plugin.
> > I can use it importing processing like this:
> >
> > import processing
> > processing.runalg("qgis:multiparttosingleparts", input, output)
> >
> > but I wan't to use it in a different way, like I already do with the
> > 'dissolve' script:
> >
> > from qgis.analysis import *
> > analyzer = QgsGeometryAnalyzer()
> > analyzer.dissolve(input, output)
> >
> > (even if I could write:
> > import processing
> > processing.runalg("qgis:dissolve",input,output)
> > )
> >
> > Is it possible?
>
> Sorry, I don't understand exactly what it is you're wanting to do. Can
> you clarify?
>
> Nyall
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-- 
---

*Engr. Ben Hur S. Pintor*
*Research Associate*
Phil-LiDAR 2 Project 5: REMap
UP Training Center for Applied Geodesy and Photogrammetry


*Juris Doctor*
College of Law
*University of the Philippines Diliman*
Quezon City 1101, PHL
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