Re: [QGIS-Developer] OSGeo4W updates (was Re: [Qgis-psc] QGIS grants?)

[McDonaldR]

Looking forward to 3.4,

I installed the latest QGIS master this morning via OSGeo4w (64bit) and 
installed version 3.3.0-97 of qgis-dev on Windows 7.  I get an error message 
saying:

 "The program can't start because Qt5WebKitWidgets.dll is missing from your 
computer."

Trying to start QGIS returns:

 "Could not load qgis_app.dll Windows Error %1 is not a valid Win32 
application. Check qgis-dev-bin-g7.4.1.env for correct environment paths."

Is this because the builds are still building or has something changed in the 
build process?  I'll wait for another build and see if that fixes things.

Ross

-Original Message-
From: QGIS-Developer [mailto:qgis-developer-boun...@lists.osgeo.org] On Behalf 
Of Jürgen E. Fischer
Sent: 15 October 2018 09:42
To: qgis-...@lists.osgeo.org; qgis-developer@lists.osgeo.org; 
osgeo4w-...@lists.osgeo.org
Subject: [QGIS-Developer] OSGeo4W updates (was Re: [Qgis-psc] QGIS grants?)

Hi,

On Wed, 12. Sep 2018 at 07:13:54 +0200, Paolo Cavallini wrote:
> do we have news about the state of QGIS grantss? Should we ask for a report?

I uploaded following updates to OSGeo4W (32[0] & 64bit[1]):

- Qt 5.11.2 (from 5.9.2; with sip, PyQt5, QScintilla, qca, qtkeychain and Qwt)
- Python 3.7 (from 3.6; including all 49 currently included extensions)
- PROJ 5.2.0 (from 4.9.3; plus datumgrids)
- GEOS 3.7.0 (from 3.6.2)
- SpatiaLite 4.3.0a (from 4.3.0; also with lwgeom from postgis 2.5)
- GDAL 2.3.2 (from 2.2.4; including updated/rebuilt dependencies ogdi &
  openfyba)

QGIS 2.18 are already rebuilt, but the builds of QGIS 3.2 and master are still 
underway.  Nightlies of 2.18 and 3.2 will follow.

For GDAL and PROJ there are also legacy packages (proj4dll and gdal202dll) with 
the previos package's DLLs.  So other dependencies (like GRASS) should work on 
without a rebuild.


Jürgen


[0] https://download.osgeo.org/osgeo4w/x86/versions_diff-update-2018.html
[1] https://download.osgeo.org/osgeo4w/x86_64/versions_diff-update-2018.html

--
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 http://www.norbit.de

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Re: [QGIS-Developer] Data defined @symbol_color outlines

[McDonaldR]

Thanks for letting me know, Nyall

All the best with the 3.0 release today!

Ross

-Original Message-
From: Nyall Dawson [mailto:nyall.daw...@gmail.com]
Sent: 22 February 2018 23:09
To: McDonaldR
Cc: qgis-u...@lists.osgeo.org; qgis-developer@lists.osgeo.org
Subject: Re: [QGIS-Developer] Data defined @symbol_color outlines

On 22 February 2018 at 01:31, McDonaldR  wrote:
> Hi List
>
>
>
> This issue (https://issues.qgis.org/issues/15132) refers to using the
> @symbol_color function to make the outline of graduated/categorised
> features the same colour as the fill.  There is a fix by Nyall from
> over a year ago but I wonder if there has been a regression?
>
>
>
> I am using both the latest 2.99 master and 2.18.16 64-bit versions on
> Windows 7 and if I render a polygon layer using the categorised or
> graduated renderer and set the outline colour using @symbol_color then
> the legend doesn’t reflect the style shown on the map. The features
> are rendered correctly (I like using “darker(@symbol_color,150)”) on
> the map canvas and the print composer but the legend in the table of
> contents and on the composer layout show the default outline colour.

This has never been supported - all data defined properties don't currently 
play well with the layer tree or map legends (and never have). Maybe something 
for 3.2...

Nyall

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[QGIS-Developer] Data defined @symbol_color outlines

[McDonaldR]

Hi List

This issue (https://issues.qgis.org/issues/15132) refers to using the 
@symbol_color function to make the outline of graduated/categorised features 
the same colour as the fill.  There is a fix by Nyall from over a year ago but 
I wonder if there has been a regression?

I am using both the latest 2.99 master and 2.18.16 64-bit versions on Windows 7 
and if I render a polygon layer using the categorised or graduated renderer and 
set the outline colour using @symbol_color then the legend doesn't reflect the 
style shown on the map. The features are rendered correctly (I like using 
"darker(@symbol_color,150)") on the map canvas and the print composer but the 
legend in the table of contents and on the composer layout show the default 
outline colour.

The only way I can get the legend to update is to set the outline/stroke colour 
to the fill colour for each category and then make it slightly darker - not too 
much of a hassle if there are a few but a hassle if there are more than that.

Can anyone else confirm this?  And has there been a regression or was the fix 
for something slightly different?

Thanks in advance

Ross

Ross McDonald | GIS Data Coordinator | Angus Council, People, IT | Angus House, 
Orchardbank Business Park, Sylvie Way, Forfar DD8 1AT | t: 01307 476419


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Re: [QGIS-Developer] dataset icons in Browser tree

[McDonaldR]

Aye, you’re right.

If I press the info button in browser it lists the .DBF, .PRJ, .SHP, .SHX, 
.XLS, .QGS, .ZIP, .FMW and .LOG files in my directory.  This is for info only.  
You can’t interact with these files.

In the Browser panel it lists the .SHP, .XLS, .ZIP and .QGS files and these are 
the files GDAL / OGR can open.  Which is correct.

Not sure if the screenshot will come through – from QGIS master 0f83a5f

[cid:image001.png@01D2F578.8816C540]


From: Nathan Woodrow [mailto:madman...@gmail.com]
Sent: 05 July 2017 10:16
To: McDonaldR; qgis-developer@lists.osgeo.org
Subject: Re: [QGIS-Developer] dataset icons in Browser tree


Are you sure? It's never done that for me, it uses ogr to know what files it 
can open.

On Wed, 5 Jul 2017, 7:00 PM McDonaldR 
mailto:mcdona...@angus.gov.uk>> wrote:
Smashing!

ArcCatalog also collapses down all the constituent parts and shows one file in 
the tree instead of all parts of the shapefile or tab file, for example.  
However, it also only shows files it can open.   The info button in Browser 
lists all files in the folder regardless of whether QGIS can open them or not.  
I guess we need to think about what the user wants to do with the info they can 
see in the panel.

Ross

From: Nathan Woodrow [mailto:madman...@gmail.com<mailto:madman...@gmail.com>]
Sent: 05 July 2017 09:29
To: McDonaldR; 
qgis-developer@lists.osgeo.org<mailto:qgis-developer@lists.osgeo.org>
Subject: Re: [QGIS-Developer] dataset icons in Browser tree


Yep I'm down for that, would look pretty nice if we can I think. Bit like what 
VS Code, pycharm etc do for different file types.

Would be still handy to see if it's line, point, etc so just need to consider 
that.

On Wed, 5 Jul 2017, 6:26 PM McDonaldR 
mailto:mcdona...@angus.gov.uk>> wrote:
Hi List,

This might be on the hit list already.  Is it possible to have different icons 
for different file types within the QGIS Browser?  I know the standalone 
Browser is being discontinued but the panel will still be available in the core 
QGIS.  Different icons would be very useful.

In the QGIS Browser (app and panel) file system based datasets are listed in 
alphabetical order and each file has either a small raster icon if it is an 
image format or a small polygon icon if it is not.  For database layers they 
have a small point, line or polygon icon.

In my second choice GIS (well known!) there is also a browser-like application 
but it shows the files and datasets with different icons depending on file and 
data type.  You can see the icons in the screenshots on this page - 
http://desktop.arcgis.com/en/arcmap/10.3/manage-data/using-arccatalog/a-quick-tour-of-arccatalog.htm

Ross

Ross McDonald | GIS Data Coordinator | Angus Council, People, IT | Angus House, 
Orchardbank Business Park, Sylvie Way, Forfar DD8 1AT | t: 01307 476419


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Re: [QGIS-Developer] dataset icons in Browser tree

[McDonaldR]

Smashing!

ArcCatalog also collapses down all the constituent parts and shows one file in 
the tree instead of all parts of the shapefile or tab file, for example.  
However, it also only shows files it can open.   The info button in Browser 
lists all files in the folder regardless of whether QGIS can open them or not.  
I guess we need to think about what the user wants to do with the info they can 
see in the panel.

Ross

From: Nathan Woodrow [mailto:madman...@gmail.com]
Sent: 05 July 2017 09:29
To: McDonaldR; qgis-developer@lists.osgeo.org
Subject: Re: [QGIS-Developer] dataset icons in Browser tree


Yep I'm down for that, would look pretty nice if we can I think. Bit like what 
VS Code, pycharm etc do for different file types.

Would be still handy to see if it's line, point, etc so just need to consider 
that.

On Wed, 5 Jul 2017, 6:26 PM McDonaldR 
mailto:mcdona...@angus.gov.uk>> wrote:
Hi List,

This might be on the hit list already.  Is it possible to have different icons 
for different file types within the QGIS Browser?  I know the standalone 
Browser is being discontinued but the panel will still be available in the core 
QGIS.  Different icons would be very useful.

In the QGIS Browser (app and panel) file system based datasets are listed in 
alphabetical order and each file has either a small raster icon if it is an 
image format or a small polygon icon if it is not.  For database layers they 
have a small point, line or polygon icon.

In my second choice GIS (well known!) there is also a browser-like application 
but it shows the files and datasets with different icons depending on file and 
data type.  You can see the icons in the screenshots on this page - 
http://desktop.arcgis.com/en/arcmap/10.3/manage-data/using-arccatalog/a-quick-tour-of-arccatalog.htm

Ross

Ross McDonald | GIS Data Coordinator | Angus Council, People, IT | Angus House, 
Orchardbank Business Park, Sylvie Way, Forfar DD8 1AT | t: 01307 476419


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[QGIS-Developer] dataset icons in Browser tree

[McDonaldR]

Hi List,

This might be on the hit list already.  Is it possible to have different icons 
for different file types within the QGIS Browser?  I know the standalone 
Browser is being discontinued but the panel will still be available in the core 
QGIS.  Different icons would be very useful.

In the QGIS Browser (app and panel) file system based datasets are listed in 
alphabetical order and each file has either a small raster icon if it is an 
image format or a small polygon icon if it is not.  For database layers they 
have a small point, line or polygon icon.

In my second choice GIS (well known!) there is also a browser-like application 
but it shows the files and datasets with different icons depending on file and 
data type.  You can see the icons in the screenshots on this page - 
http://desktop.arcgis.com/en/arcmap/10.3/manage-data/using-arccatalog/a-quick-tour-of-arccatalog.htm

Ross

Ross McDonald | GIS Data Coordinator | Angus Council, People, IT | Angus House, 
Orchardbank Business Park, Sylvie Way, Forfar DD8 1AT | t: 01307 476419


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[Qgis-developer] QGIS install path changed

[McDonaldR]

Good morning list,

I've just downloaded QGIS 2.18.1 for Windows (64-bit) and run the installer.  I 
have an existing installation of 2.18.0 installed at C:\Program Files\QGIS 2.18 
and the .1 installer now wants to install into C:\Program Files\QGIS Las.  I've 
changed the path to my existing 2.18 installation and it has completed 
successfully.  However, should it have installed to the existing installation 
rather than create a new directory?

Ross



Ross McDonald | GIS Data Coordinator | Angus Council | Angus House, Orchardbank 
Business Park, Sylvie Way, Forfar DD8 1AT | t: 01307 476419


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[Qgis-developer] Upgrading QGIS via OSGeo4w deletes qgis-bin.exe

[McDonaldR]

Hi List,

Hopefully this is the right place to ask about QGIS and the OSGeo4W installer.

I'm just back from FOSS4GUK and wanted to update my QGIS installed on my 
Windows 7 32bit machine.

I ran than OSGeo4W installer and selected all the updated packages and the 
process completed successfully.  However, when I want to run QGIS 2.14.3 I get 
an error message saying that C:\OSGeo4W\bin\qgis-bin.exe is unavailable.  
Checking the folder shows that it is not there.  I've uninstalled and 
reinstalled and still the 2.14.3-2 exe does not get installed.  The nightly 
QGIS exe is available.  Oddly, QGIS Browser 2.14.3 is still installed.

Does the installation get logged somewhere?  Should I just delete my OSGeo4W 
folder and start again?

Thanks in advance

Ross




Ross McDonald | GIS Data Coordinator | Resources Department, IT Division | 
Angus Council, Angus House, Orchardbank Business Park, Forfar, DD8 1AT
T: 01307 476419 | F: 01307 476401 | E: 
mcdona...@angus.gov.uk



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Re: [Qgis-developer] qgis on pendrive

[McDonaldR]

Have a look at what Jo Cook has done with Portable GIS

http://archaeogeek.com/blog/2015/08/20/portable-gis-5-dot-2/

http://archaeogeek.com/portable-gis.html

Her blog and the Gooogle group have more details on how it is done.

Ross

From: qgis-developer-boun...@lists.osgeo.org 
[mailto:qgis-developer-boun...@lists.osgeo.org] On Behalf Of  ?
Sent: 20 August 2015 18:12
To: qgis-developer@lists.osgeo.org
Subject: [Qgis-developer] qgis on pendrive

hi
Is anybody know how to configure qgis on a pendrive without insstalling in a 
new system.


--
Sachin Kumar
9741199502
9045239212

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[Qgis-developer] Query performance in QGIS using psycopg2

[McDonaldR]

Hello list

I have a question about how QGIS (specifically the pgRouting Layer plugin) uses 
psycopg2 and a connection to PostgreSQL to run a query and return a result.

I am using pgRouting with Ordnance Survey's Open Roads network for the UK.  It 
is a large network with over 3 million links and 2.6 million nodes.   Using the 
pgRouting Layer plugin in QGIS 2.6.1 and 2.8.2 to interact with the network.  
It is really slow to solve routes ~ 1m20s per solution.  I am also using 
PgAdmin3 to run the same queries against the same network and they are also 
slow (~1m20s) but I can speed them up using a bounding box in the query (in 
some cases by 400x!).  In the pgRouting Layer plugin I have updated the 
djikstra.py file to use the query with a bounding box but the result is still 
returned in ~ 1m20s.  Running the same query in the SQL pane in DB Manager 
returns the result in ~ 100ms.

So, I guess the question is "Is psycopg2 (or python) the bottleneck in running 
queries in the pgRouting Layer plugin?" and maybe a secondary question is "how 
does DB Manager connect to the database and run the query so quickly?"

The queries

Without bounding box ~ 1m20s
SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra('
SELECT gid AS id,
 source::integer,
 target::integer,
 cost_len::double precision AS cost,
 rcost_len::double precision AS reverse_cost
FROM or_network',
   1190869, 586365, false, true);

With a bounding box ~ 200ms
SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra('
SELECT gid AS id,
 source::integer,
 target::integer,
 cost_len::double precision AS cost,
 rcost_len::double precision AS reverse_cost
FROM or_network
WHERE geometry && ST_Expand(
(SELECT ST_Collect(the_geom) FROM 
or_network_vertices_pgr WHERE id IN (1190869, 586365)),2000)',
1190869, 586365, false, true);

Thanks in advance

Ross


Ross McDonald | GIS Data Coordinator | Resources Department, IT Division | 
Angus Council, Angus House, Orchardbank Business Park, Forfar, DD8 1AT
T: 01307 476419 | F: 01307 476401 | E: 
mcdona...@angus.gov.uk



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