Re: [Qgis-user] Assistance with high-level use case of QGIS for commercial use

[Alexander Bruy]

Hi Dave,

if I'm not wrong, you can create QGIS Server plugin which will perform
this operation

2016-02-27 0:26 GMT+02:00 Dave Tobias :
> I'm new to QGIS and have been a very long time user of a commercial GIS
> solution.  Their fee to deploy a mapservice has opened my eyes to other
> options.  I use the term mapservice loosely because what I want to deploy
> won't even have a map GUI.  It is quite simple actually:
> I would like to deploy QGIS such that multiple non--GIS users can use their
> individual secure logins to upload a .txt file (in a prescribed format)
> which will contain a feature ID, latitude and longitude coordinate for each
> row.  Then in batch mode, the program would then overlay the points with a
> polygon layer I maintain on that server. The output would be a .txt file
> containing the input attributes plus 1 attribute added to each row from the
> polygon layer. No map display needed, no other user interaction.  This is a
> simple geospatial operation for which they will pay a nominal fee.
> I was able to do this same operation manually with QGIS desktop and I see
> there is an API to perform the operation as a script.  So...are there any
> barriers to me doing this with QGIS/QGIS Server? Is there support for this
> use-case already? I searched but didn't come up with any concrete examples
> in the forums already - a few were interactive apps, but I need mine to run
> in batch mode.
> Thanks in advance - hopefully I'm sending to the correct forum!
>
>
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Re: [QGIS-it-user] Velocizzare qgis-server/lizmap con le viste materializzate su postgis

[Paolo Cavallini]

Il 25/02/2016 15:35, Rossin Pietro ha scritto:

> Non è possibile qualche altra soluzione?

Temo di no. Credo che sia un miglioramento sensato. Si potrebbe pensare
a fare un prototipo di soluzione i Python, poi eventualmente migrarla in
core.
Voui aprire una discussione su qgis-dev? Oppure una feature request?
Saluti.

-- 
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QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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Re: [Qgis-user] Assistance with high-level use case of QGIS for commercial use

[Brent Wood]

Hi Dave,
If you don't require any desktop mapping, just a web accessible spatial overlay 
operation, I'd have thought using Postgis to store your polygon layer(s) & to 
carry out the overlay operation, then return the txt file would be simpler & 
easier, via any sort of scripted web interface.

the sqls for the overlay to return the text file could just about be as simple 
as:
copy feature from txtfile;
select f.id, f.lat, f.lon, p.id 
   from polygon p, feature f 
   where ST_Contains(p.poly, ST_SetSRID(ST_Makepoint(f.lon, f.lat),4326));
drop feature;

The first loads the text file into a database table - at potentially 10,000's 
per second...

The second creates a point geometry from the point coordinates, sets the 
coordinate reference system for this to lat/long, and returns the point values 
as well as those of any polygon on your polygon dataset which the point lies 
within.

The point table is then deleted.

You just need to wrap this up in your preferred scripting language to make it 
web accessible.
HTH,

Brent Wood

  From: Dave Tobias 
 To: qgis-user@lists.osgeo.org 
 Sent: Saturday, February 27, 2016 11:26 AM
 Subject: [Qgis-user] Assistance with high-level use case of QGIS for 
commercial use
   
I'm new to QGIS and have been a very long time user of a commercial GIS 
solution.  Their fee to deploy a mapservice has opened my eyes to other 
options.  I use the term mapservice loosely because what I want to deploy won't 
even have a map GUI.  It is quite simple actually:I would like to deploy QGIS 
such that multiple non--GIS users can use their individual secure logins to 
upload a .txt file (in a prescribed format) which will contain a feature ID, 
latitude and longitude coordinate for each row.  Then in batch mode, the 
program would then overlay the points with a polygon layer I maintain on that 
server. The output would be a .txt file containing the input attributes plus 1 
attribute added to each row from the polygon layer. No map display needed, no 
other user interaction.  This is a simple geospatial operation for which they 
will pay a nominal fee.I was able to do this same operation manually with QGIS 
desktop and I see there is an API to perform the operation as a script.  
So...are there any barriers to me doing this with QGIS/QGIS Server? Is there 
support for this use-case already? I searched but didn't come up with any 
concrete examples in the forums already - a few were interactive apps, but I 
need mine to run in batch mode.Thanks in advance - hopefully I'm sending to the 
correct forum!

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Re: [Qgis-user] Assistance with high-level use case of QGIS for commercial use

[James Keener]

Have you thought about using PostGIS and Python/Ruby/PHP/Perl/?  I'm
not 100% sure how you would respond to a file upload with the QGIS
python API.

Jim

On 02/26/2016 05:26 PM, Dave Tobias wrote:
> I'm new to QGIS and have been a very long time user of a commercial GIS
> solution.  Their fee to deploy a mapservice has opened my eyes to other
> options.  I use the term mapservice loosely because what I want to
> deploy won't even have a map GUI.  It is quite simple actually:
> I would like to deploy QGIS such that multiple non--GIS users can use
> their individual secure logins to upload a .txt file (in a prescribed
> format) which will contain a feature ID, latitude and longitude
> coordinate for each row.  Then in batch mode, the program would then
> overlay the points with a polygon layer I maintain on that server. The
> output would be a .txt file containing the input attributes plus 1
> attribute added to each row from the polygon layer. No map display
> needed, no other user interaction.  This is a simple geospatial
> operation for which they will pay a nominal fee.
> I was able to do this same operation manually with QGIS desktop and I
> see there is an API to perform the operation as a script.  So...are
> there any barriers to me doing this with QGIS/QGIS Server? Is there
> support for this use-case already? I searched but didn't come up with
> any concrete examples in the forums already - a few were interactive
> apps, but I need mine to run in batch mode.
> Thanks in advance - hopefully I'm sending to the correct forum!
> 
> 
> 
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[Qgis-user] When I uncheck a clipped SRTM DEM

[Allan López]

Hi everyone,

My situation is even worst !. When I uncheck a clipped SRTM DEM ( Under
Windows 8.1 and QGIS 2.12) and then I try to display it again it simply
vanish although its name appears in the left layer panel. Also, the
Processing complement dissapeared again as I mentioned last month and
cannot be reinstalled ( it appears like that, but not). Help me please.To
whom shall I report these bugs ?. Blessings, Allan López
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[Qgis-user] Assistance with high-level use case of QGIS for commercial use

[Dave Tobias]

I'm new to QGIS and have been a very long time user of a commercial GIS
solution.  Their fee to deploy a mapservice has opened my eyes to other
options.  I use the term mapservice loosely because what I want to deploy
won't even have a map GUI.  It is quite simple actually:
I would like to deploy QGIS such that multiple non--GIS users can use their
individual secure logins to upload a .txt file (in a prescribed format)
which will contain a feature ID, latitude and longitude coordinate for each
row.  Then in batch mode, the program would then overlay the points with a
polygon layer I maintain on that server. The output would be a .txt file
containing the input attributes plus 1 attribute added to each row from the
polygon layer. No map display needed, no other user interaction.  This is a
simple geospatial operation for which they will pay a nominal fee.
I was able to do this same operation manually with QGIS desktop and I see
there is an API to perform the operation as a script.  So...are there any
barriers to me doing this with QGIS/QGIS Server? Is there support for this
use-case already? I searched but didn't come up with any concrete examples
in the forums already - a few were interactive apps, but I need mine to run
in batch mode.
Thanks in advance - hopefully I'm sending to the correct forum!
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Re: [Qgis-user] QGIS project not opening - print composer issue / bug?

[Goyo]

Seems to work for me in master.

2016-02-26 10:24 GMT+01:00 Chris Buckmaster :
> Hi
>
>
>
> I seem to have found an issue when using the print composer with a WMTS
> service which I would just like to know if it’s a bug, or if it might be
> something specific to my project / layers.
>
>
>
> My scenario is I add a WMTS layer to my project, I then create a print
> composer window to an A2 page size (it seems to be ok for smaller page
> sizes). I export the map to a PDF using all of the default export settings
> (I get a message about width / height limits but get this when exporting to
> a smaller page size) and it does export.
>
>
>
> I close my project, but when I try to reopen it, the project hangs and then
> goes to ‘not responding’.
>
>
>
> Is anyone else able to replicate this? Is this a known issue?
>
>
>
> Thanks, Chris
>
>
>
>
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Re: [Qgis-user] QGIS 2.14: SpatiaLite 4.3, Geos 3.5, GDAL 2?

[Jürgen E . Fischer]

Hi Claas,

On Fri, 26. Feb 2016 at 12:35:36 +0100, Claas Leiner wrote:
> Does anyone know if there any hope that QGIS 2.14 is compiled for
> Ubuntu 14.04 with SpatiaLite 4.3.0 and Geos 3.5?

> Does anyone know if there any hope that QGIS 2.14 is compiled for
> Ubuntu 14.04 with SpatiaLite 4.3.0 and Geos 3.5?
>
> Also because of the bugs # 13934. Furthermore digitizing SpatiaLite
> layers leads to the described crashes.
> The installation of Geos 3.5 and 4.3 SpatiaLite has not helped.

> Also GDAL 2 for Ubuntu 14.04?

Our builds are made against what Ubuntu 14.04 offers (ie. spatialite 4.1, GEOS
3.4, GDAL 1.10).  There are also builds with ubuntugis dependencies, which
offers GDAL 1.11 - but apparently no newer versions of spatialite and geos.

If you've build newer versions of GEOS and SpatiaLite from source you should do
that for QGIS (see INSTALL[0]), otherwise it probably will still use the old
ones.


Jürgen

[0] 
https://htmlpreview.github.io/?https://raw.github.com/qgis/QGIS/master/doc/INSTALL.html

-- 
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Dipl.-Inf. (FH) Rheinstraße 13  Fax. +49-4931-918175-50
Software Engineer   D-26506 Norden http://www.norbit.de
QGIS release manager (PSC)  GermanyIRC: jef on FreeNode 



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[Qgis-user] QGIS 2.14: SpatiaLite 4.3, Geos 3.5, GDAL 2?

[Claas Leiner]

Hello ,

Does anyone know if there any hope that QGIS 2.14 is compiled for Ubuntu 
14.04 with SpatiaLite 4.3.0 and Geos 3.5?


Also because of the bugs # 13934. Furthermore digitizing SpatiaLite 
layers leads to the described crashes.

The installation of Geos 3.5 and 4.3 SpatiaLite has not helped.

Also GDAL 2 for Ubuntu 14.04?

Best regards,

Claas Leiner


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Re: [Qgis-user] connection to Oracle 11.2.0.4.0 without spatial

[gprocino]

Dear all,
I've installed Oracle Spatial:
-
/SELECT USERNAME,TO_CHAR(CREATED,'DD-MON-YY HH24:MI:SS')
CREATED,ACCOUNT_STATUS,DEFAULT_TABLESPACE 
FROM DBA_USERS ORDER BY 2;
….
MDSYS
25-FEB-16 01:04:40
EXPIRED & LOCKED ORA_SPATIAL
 
SQL> select version, status from dba_registry where comp_id='ORDIM';
 
VERSIONSTATUS
-- -
11.2.0.4.0 VALID
 
1 riga selezionata.
SQL> select comp_id,version,status from dba_registry
  2  where comp_id in ('JAVAVM','ORDIM','XDB');
 
COMP_IDVERSION
-- --
STATUS
-
ORDIM  11.2.0.4.0
VALID
 
XDB11.2.0.4.0
VALID
 
JAVAVM 11.2.0.4.0
VALID
 
 
Selezionate 3 righe./
---

Now when I try to connect to Orable the same error appear:
-ORA-04043: object MDSYS.SDO_GEOMETRY doesn't exist. Impossibile
connettersi.

Could you give me some advices?
Thanks in advance.

Giuseppe





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[Qgis-user] QGIS project not opening - print composer issue / bug?

[Chris Buckmaster]

Hi

I seem to have found an issue when using the print composer with a WMTS service 
which I would just like to know if it's a bug, or if it might be something 
specific to my project / layers.

My scenario is I add a WMTS layer to my project, I then create a print composer 
window to an A2 page size (it seems to be ok for smaller page sizes). I export 
the map to a PDF using all of the default export settings (I get a message 
about width / height limits but get this when exporting to a smaller page size) 
and it does export.

I close my project, but when I try to reopen it, the project hangs and then 
goes to 'not responding'.

Is anyone else able to replicate this? Is this a known issue?

Thanks, Chris

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