[Qgis-user] Can't create a Vector grid (polygons)

[Gustavo Martínez]

Hi, 

I'm using QGIS 2.99.0-Master rev. b2587b7 on Ubuntu 16.04 64bits.
When I tried to create a Vector grid (polygons) from the processing
toolbox, I got the following error:

2016-10-28T16:12:50 1   Traceback (most recent call last):
  File
"/usr/share/qgis/python/plugins/processing/gui/AlgorithmDialog.py",
line 215, in 
e.widget.setPalette(QPalette()))
NameError: free variable 'e' referenced before
assignment in enclosing scope

Any ideas?
Thanks,



Gustavo
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[Qgis-user] DB manager error

[Gustavo Martínez]

Hi, 

I'm using QGIS 2.99.0-Master rev. b2587b7 on Ubuntu 16.04 64bits.

When I tried to open a SQL query on a POSTGIS database I've got the following 
error while trying to open the saved connection to the database: 

2016-10-28T15:58:35 1   Traceback (most recent call last):

  File 
"/usr/share/qgis/python/plugins/db_manager/db_model.py", line 440, in rowCount

self._refreshIndex(parent, True)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_model.py", line 491, in 
_refreshIndex

if item.populate():

  File 
"/usr/share/qgis/python/plugins/db_manager/db_model.py", line 166, in populate

if not connection.connect():

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/postgis/plugin.py", line 
99, in connect

return self.connectToUri(uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/plugin.py", line 108, in 
connectToUri

self.db = self.databasesFactory(self, uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/postgis/plugin.py", line 
69, in databasesFactory

return PGDatabase(connection, uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/postgis/plugin.py", line 
107, in __init__

Database.__init__(self, connection, uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/plugin.py", line 217, in 
__init__

self.connector = self.connectorsFactory(uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/postgis/plugin.py", line 
110, in connectorsFactory

return PostGisDBConnector(uri)

  File 
"/usr/share/qgis/python/plugins/db_manager/db_plugins/postgis/connector.py", 
line 67, in __init__

self.connection = 
psycopg2.connect(expandedConnInfo.encode('utf-8'))

  File 
"/usr/lib/python3/dist-packages/psycopg2/__init__.py", line 164, in connect

conn = _connect(dsn, 
connection_factory=connection_factory, async=async)

TypeError: argument 1 must be str, not bytes


I can load postgis layers from the same connection without problems.
What can I do?
Thanks,



Gustavo



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Re: [Qgis-user] QGIS server: configuration of grid shift files for datum conversions

[Neumann, Andreas]

I was able to fix the crash by naming the .gsb files EXACTLY like Andy
wrote below - my name before was chenys06a.gsb. After I created a
symblink to CHENYX06a.gsb the crash was gone. 

This looks really strange. Are thoses .gsb file names hard coded
somewhere? Quite a mystery ... 

Andreas 

On 2016-10-28 16:45, Neumann, Andreas wrote:

> Hi Andy, 
> 
> Thank for these very precise instructions. 
> 
> I was able to do the same on CentOS 7 with only very minor differences 
> (probably because I self-compile QGIS server). 
> 
> Is the id 11 for the swiss datum transformation stable? 
> 
> I think this information should be added to the QGIS user manual, in the 
> server section. I created a pull request: 
> https://github.com/qgis/QGIS-Documentation/pull/1481  
> 
> --- 
> 
> fyi: i get a server crash when I use a request in EPSG:2056, project done in 
> EPSG:21781 - still investigating what the reason is ... 
> 
> Thanks a lot - very useful information! 
> 
> Andreas 
> 
> On 2016-10-24 11:09, Schmid Andreas wrote: 
> Hi,
> 
> At Kanton Solothurn we had the same requirement. And we did not want to 
> fiddle with the original proj.4 definition files. So we paid Sourcepole for 
> solving this directly in QGIS Server 
> (https://github.com/qgis/QGIS/commit/70863ecaf0ccfcb538e3892af4b528304b21a0a2).
> This is how it works under Ubuntu:
> 
> * Place those CHENYX06a.gsb and CHENYX06_etrs.gsb in /usr/share/proj 
> (probably in our case only CHENYX06a.gsb is actually needed)
> 
> * If QGIS Server was installed before placing the .gsb files, run 
> /usr/lib/qgis/crssync (or run it anyway)
> 
> * In /etc/apache2/mods-enabled/fcgid.conf place the following additional 
> option:
> InitialEnv 
> DEFAULT_DATUM_TRANSFORM=EPSG:21781/EPSG:2056/11/-1;EPSG:2056/EPSG:21781/-1/11
> 
> The meaning of this option is: when your .qgs is in EPSG:21781 and the WMS 
> request is in EPSG:2056, then use datum transformation 11; when your .qgs 
> is in EPSG:2056 and the WMS request is in EPSG:21781, then use datum 
> transformation 11 as well, but use it the other way round.
> The datum transformation code 11 can be looked up in 
> /usr/share/qgis/resources/srs.db. Look at attribute coord_op_code of table 
> tbl_datum_transform.
> 
> Regards,
> Andy
> 
> -Ursprüngliche Nachricht-
> Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von 
> Richard
> Duivenvoorde
> Gesendet: Montag, 24. Oktober 2016 10:01
> An: Neumann, Andreas
> Cc: QGIS User List
> Betreff: Re: [Qgis-user] QGIS server: configuration of grid shift files for 
> datum
> conversions
> 
> On 2016-10-24 06:23, Neumann, Andreas wrote: Hi,
> 
> I have to configure QGIS server to properly handle grid shift files.
> In Switzerland we need to offer "old" and "new" coordinates (different
> datums) at the same time with our services and the conversion needs to
> be done with grid shift files or tin based interpolation.
> 
> I know that I have to copy the CHENYX06a.gsb file to my proj lib, e.g.
> /usr/local/shar/proj  - but how can I make QGIS Server to actually use
> this file? I assume that I need to copy an additional config file or
> SRS/grid shift file combinations to QGIS server and/or specify an
> environment variable - right?
> 
> Are there any resources explaining how I can configure QGIS server to
> make use of these grid shift files?
> 
> Thank you for any pointers! 
> Hi Andreas,
> 
> funny, in NL we just had a discussion about how to handle different
> available datum transformation too last week...
> 
> we also recently got a grid shift file to better handle datum
> transformation and I found this post of Sourcepole:
> http://blog.sourcepole.ch/2014/02/18/ntv2-transformations-with-qgis/
> Which I think answers your question (at least for the desktop side)
> 
> But from a mini presentation from somebody from our National Cadastre, I
> actually draw the conclusion that the way QGIS represents CRS's is too
> narrow/not complete...
> 
> Please correct me if I'm wrong, but a lot of 'On The Fly'-reprojections
> actually need 2(!) proj configurations/steps:
> - the projection parametes (mostly available in the epsg database)
> - the datum transformation parameters (these is the 'towsg84...'-part,
> AND only needed when you do an actual datum transformation, PARTLY
> available in the epsg database)
> The last part can either be a list of parameters (to calculate it) OR
> (as in your case and in the dutch preferred case) a grid shift file (as
> proj can only handle one of these).
> 
> SO: for example for certain crs's (in QGIS the dutch one is called
> epsg:28992) there is actually a SET of combinations available: the
> projection and 4 or 5 transformations
> (http://pix.toile-libre.org/upload/original/1477238061.png),
> 
> QGIS actually picks one (from qgis.db) of these and present them to the
> user as THE epsg:28992 crs, while in our case this is actually not the
> best fit, and in your case you actually want to pick two!

Re: [Qgis-user] QGIS server: configuration of grid shift files for datum conversions

[Neumann, Andreas]

Hi again, Andy, 

Just trying to understand where the .gsb files are actually referenced.
The table tbl_datum_transformation does not contain any references to
the .gsb files. How does QGIS find those files? 

Thanks for any hints, 

Andreas 

On 2016-10-24 11:09, Schmid Andreas wrote:

> Hi,
> 
> At Kanton Solothurn we had the same requirement. And we did not want to 
> fiddle with the original proj.4 definition files. So we paid Sourcepole for 
> solving this directly in QGIS Server 
> (https://github.com/qgis/QGIS/commit/70863ecaf0ccfcb538e3892af4b528304b21a0a2).
> This is how it works under Ubuntu:
> 
> * Place those CHENYX06a.gsb and CHENYX06_etrs.gsb in /usr/share/proj 
> (probably in our case only CHENYX06a.gsb is actually needed)
> 
> * If QGIS Server was installed before placing the .gsb files, run 
> /usr/lib/qgis/crssync (or run it anyway)
> 
> * In /etc/apache2/mods-enabled/fcgid.conf place the following additional 
> option:
> InitialEnv 
> DEFAULT_DATUM_TRANSFORM=EPSG:21781/EPSG:2056/11/-1;EPSG:2056/EPSG:21781/-1/11
> 
> The meaning of this option is: when your .qgs is in EPSG:21781 and the WMS 
> request is in EPSG:2056, then use datum transformation 11; when your .qgs 
> is in EPSG:2056 and the WMS request is in EPSG:21781, then use datum 
> transformation 11 as well, but use it the other way round.
> The datum transformation code 11 can be looked up in 
> /usr/share/qgis/resources/srs.db. Look at attribute coord_op_code of table 
> tbl_datum_transform.
> 
> Regards,
> Andy
> 
> -Ursprüngliche Nachricht-
> Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von 
> Richard
> Duivenvoorde
> Gesendet: Montag, 24. Oktober 2016 10:01
> An: Neumann, Andreas
> Cc: QGIS User List
> Betreff: Re: [Qgis-user] QGIS server: configuration of grid shift files for 
> datum
> conversions
> 
> On 2016-10-24 06:23, Neumann, Andreas wrote: Hi,
> 
> I have to configure QGIS server to properly handle grid shift files.
> In Switzerland we need to offer "old" and "new" coordinates (different
> datums) at the same time with our services and the conversion needs to
> be done with grid shift files or tin based interpolation.
> 
> I know that I have to copy the CHENYX06a.gsb file to my proj lib, e.g.
> /usr/local/shar/proj  - but how can I make QGIS Server to actually use
> this file? I assume that I need to copy an additional config file or
> SRS/grid shift file combinations to QGIS server and/or specify an
> environment variable - right?
> 
> Are there any resources explaining how I can configure QGIS server to
> make use of these grid shift files?
> 
> Thank you for any pointers! 
> Hi Andreas,
> 
> funny, in NL we just had a discussion about how to handle different
> available datum transformation too last week...
> 
> we also recently got a grid shift file to better handle datum
> transformation and I found this post of Sourcepole:
> http://blog.sourcepole.ch/2014/02/18/ntv2-transformations-with-qgis/
> Which I think answers your question (at least for the desktop side)
> 
> But from a mini presentation from somebody from our National Cadastre, I
> actually draw the conclusion that the way QGIS represents CRS's is too
> narrow/not complete...
> 
> Please correct me if I'm wrong, but a lot of 'On The Fly'-reprojections
> actually need 2(!) proj configurations/steps:
> - the projection parametes (mostly available in the epsg database)
> - the datum transformation parameters (these is the 'towsg84...'-part,
> AND only needed when you do an actual datum transformation, PARTLY
> available in the epsg database)
> The last part can either be a list of parameters (to calculate it) OR
> (as in your case and in the dutch preferred case) a grid shift file (as
> proj can only handle one of these).
> 
> SO: for example for certain crs's (in QGIS the dutch one is called
> epsg:28992) there is actually a SET of combinations available: the
> projection and 4 or 5 transformations
> (http://pix.toile-libre.org/upload/original/1477238061.png),
> 
> QGIS actually picks one (from qgis.db) of these and present them to the
> user as THE epsg:28992 crs, while in our case this is actually not the
> best fit, and in your case you actually want to pick two!
> 
> I understood that in ArcGIS, the user actually every time is presented
> with a 'pick the right datum transformation' dialog as soon as the data
> needs a datum transformatio. As a draw back: making it more difficult
> for new users to pick the right one, BUT on the positive side making it
> easier to pick the right projection/datumtransformation pair!
> 
> So what about using both worlds:
> - in the qgis.db / crs table NOT use the projection-name as
> crs-identifier (so NOT epsg:28992), BUT the combination of projection
> AND datumtransformation, so in our case (28992_4833, 28992_15934, or
> epsg28992_epsg4833, epsg28992_qgis0001 to be able to handle
> projection/transformation combinations not available in the epsg db)
> - and instead 

Re: [Qgis-user] QGIS server: configuration of grid shift files for datum conversions

[Neumann, Andreas]

Hi Andy, 

Thank for these very precise instructions. 

I was able to do the same on CentOS 7 with only very minor differences
(probably because I self-compile QGIS server). 

Is the id 11 for the swiss datum transformation stable? 

I think this information should be added to the QGIS user manual, in the
server section. I created a pull request:
https://github.com/qgis/QGIS-Documentation/pull/1481  

--- 

fyi: i get a server crash when I use a request in EPSG:2056, project
done in EPSG:21781 - still investigating what the reason is ... 

Thanks a lot - very useful information! 

Andreas 

On 2016-10-24 11:09, Schmid Andreas wrote:

> Hi,
> 
> At Kanton Solothurn we had the same requirement. And we did not want to 
> fiddle with the original proj.4 definition files. So we paid Sourcepole for 
> solving this directly in QGIS Server 
> (https://github.com/qgis/QGIS/commit/70863ecaf0ccfcb538e3892af4b528304b21a0a2).
> This is how it works under Ubuntu:
> 
> * Place those CHENYX06a.gsb and CHENYX06_etrs.gsb in /usr/share/proj 
> (probably in our case only CHENYX06a.gsb is actually needed)
> 
> * If QGIS Server was installed before placing the .gsb files, run 
> /usr/lib/qgis/crssync (or run it anyway)
> 
> * In /etc/apache2/mods-enabled/fcgid.conf place the following additional 
> option:
> InitialEnv 
> DEFAULT_DATUM_TRANSFORM=EPSG:21781/EPSG:2056/11/-1;EPSG:2056/EPSG:21781/-1/11
> 
> The meaning of this option is: when your .qgs is in EPSG:21781 and the WMS 
> request is in EPSG:2056, then use datum transformation 11; when your .qgs 
> is in EPSG:2056 and the WMS request is in EPSG:21781, then use datum 
> transformation 11 as well, but use it the other way round.
> The datum transformation code 11 can be looked up in 
> /usr/share/qgis/resources/srs.db. Look at attribute coord_op_code of table 
> tbl_datum_transform.
> 
> Regards,
> Andy
> 
> -Ursprüngliche Nachricht-
> Von: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] Im Auftrag von 
> Richard
> Duivenvoorde
> Gesendet: Montag, 24. Oktober 2016 10:01
> An: Neumann, Andreas
> Cc: QGIS User List
> Betreff: Re: [Qgis-user] QGIS server: configuration of grid shift files for 
> datum
> conversions
> 
> On 2016-10-24 06:23, Neumann, Andreas wrote: Hi,
> 
> I have to configure QGIS server to properly handle grid shift files.
> In Switzerland we need to offer "old" and "new" coordinates (different
> datums) at the same time with our services and the conversion needs to
> be done with grid shift files or tin based interpolation.
> 
> I know that I have to copy the CHENYX06a.gsb file to my proj lib, e.g.
> /usr/local/shar/proj  - but how can I make QGIS Server to actually use
> this file? I assume that I need to copy an additional config file or
> SRS/grid shift file combinations to QGIS server and/or specify an
> environment variable - right?
> 
> Are there any resources explaining how I can configure QGIS server to
> make use of these grid shift files?
> 
> Thank you for any pointers! 
> Hi Andreas,
> 
> funny, in NL we just had a discussion about how to handle different
> available datum transformation too last week...
> 
> we also recently got a grid shift file to better handle datum
> transformation and I found this post of Sourcepole:
> http://blog.sourcepole.ch/2014/02/18/ntv2-transformations-with-qgis/
> Which I think answers your question (at least for the desktop side)
> 
> But from a mini presentation from somebody from our National Cadastre, I
> actually draw the conclusion that the way QGIS represents CRS's is too
> narrow/not complete...
> 
> Please correct me if I'm wrong, but a lot of 'On The Fly'-reprojections
> actually need 2(!) proj configurations/steps:
> - the projection parametes (mostly available in the epsg database)
> - the datum transformation parameters (these is the 'towsg84...'-part,
> AND only needed when you do an actual datum transformation, PARTLY
> available in the epsg database)
> The last part can either be a list of parameters (to calculate it) OR
> (as in your case and in the dutch preferred case) a grid shift file (as
> proj can only handle one of these).
> 
> SO: for example for certain crs's (in QGIS the dutch one is called
> epsg:28992) there is actually a SET of combinations available: the
> projection and 4 or 5 transformations
> (http://pix.toile-libre.org/upload/original/1477238061.png),
> 
> QGIS actually picks one (from qgis.db) of these and present them to the
> user as THE epsg:28992 crs, while in our case this is actually not the
> best fit, and in your case you actually want to pick two!
> 
> I understood that in ArcGIS, the user actually every time is presented
> with a 'pick the right datum transformation' dialog as soon as the data
> needs a datum transformatio. As a draw back: making it more difficult
> for new users to pick the right one, BUT on the positive side making it
> easier to pick the right projection/datumtransformation pair!
> 
> So what about using both 

Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[nino formica]

E però dipende (quando lo fai da Nabble) se ti autentichi come iscritto
alla ML !!
Tu certamente lo fai ... forse Gabriella no !?

Il 28 ott 2016 3:10 PM, "Totò Fiandaca"  ha
scritto:

> Nino, anche io scrivo su nabble ma vedono tutti!
>
> Il 28 ott 2016 15:08, "nino formica"  ha scritto:
>
>> Se non erro è perché Gabriella ha scritto direttamente da Nabble.
>> Se ne era parlato (su questa ML) tempo fa, quando appunto si voleva avere
>> disponibile la ML anche sul web.
>> ... però non ricordo più i dettagli, magari mi sbaglio!
>>
>> Saluti
>> Nino
>>
>> Il 28 ott 2016 2:16 PM, "Totò"  ha scritto:
>>
>> mando wrote
>> > Nota tecnica: non vedo le mail di Gabriela. Come mai?
>> >
>> > Il giorno 28 ottobre 2016 09:46, Totò 
>>
>> > pigrecoinfinito@
>>
>> >  ha
>> > scritto:
>>
>> anche io le vedo solo su Nabble!!!
>>
>>
>>
>> --
>> View this message in context: http://osgeo-org.1560.x6.nabbl
>> e.com/QGIS-2-18-tramite-osgeo4w-file-qgis-bin-exe-virus-tp52
>> 92604p5293245.html
>> Sent from the QGIS Italian User mailing list archive at Nabble.com.
>> ___
>> QGIS-it-user mailing list
>> QGIS-it-user@lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/qgis-it-user
>>
>>
>>
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Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[Totò Fiandaca]

Nino, anche io scrivo su nabble ma vedono tutti!

Il 28 ott 2016 15:08, "nino formica"  ha scritto:

> Se non erro è perché Gabriella ha scritto direttamente da Nabble.
> Se ne era parlato (su questa ML) tempo fa, quando appunto si voleva avere
> disponibile la ML anche sul web.
> ... però non ricordo più i dettagli, magari mi sbaglio!
>
> Saluti
> Nino
>
> Il 28 ott 2016 2:16 PM, "Totò"  ha scritto:
>
> mando wrote
> > Nota tecnica: non vedo le mail di Gabriela. Come mai?
> >
> > Il giorno 28 ottobre 2016 09:46, Totò 
>
> > pigrecoinfinito@
>
> >  ha
> > scritto:
>
> anche io le vedo solo su Nabble!!!
>
>
>
> --
> View this message in context: http://osgeo-org.1560.x6.nabbl
> e.com/QGIS-2-18-tramite-osgeo4w-file-qgis-bin-exe-virus-
> tp5292604p5293245.html
> Sent from the QGIS Italian User mailing list archive at Nabble.com.
> ___
> QGIS-it-user mailing list
> QGIS-it-user@lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-it-user
>
>
>
___
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Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[nino formica]

Se non erro è perché Gabriella ha scritto direttamente da Nabble.
Se ne era parlato (su questa ML) tempo fa, quando appunto si voleva avere
disponibile la ML anche sul web.
... però non ricordo più i dettagli, magari mi sbaglio!

Saluti
Nino

Il 28 ott 2016 2:16 PM, "Totò"  ha scritto:

mando wrote
> Nota tecnica: non vedo le mail di Gabriela. Come mai?
>
> Il giorno 28 ottobre 2016 09:46, Totò 

> pigrecoinfinito@

>  ha
> scritto:

anche io le vedo solo su Nabble!!!



--
View this message in context: http://osgeo-org.1560.x6.
nabble.com/QGIS-2-18-tramite-osgeo4w-file-qgis-bin-exe-
virus-tp5292604p5293245.html
Sent from the QGIS Italian User mailing list archive at Nabble.com.
___
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Re: [Qgis-user] Slack Channel

[Luigi Pirelli]

+1... registering
Luigi Pirelli

**
* Boundless QGIS Support/Development: lpirelli AT boundlessgeo DOT com
* 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
**


On 28 October 2016 at 12:06, Miguel Sevilla-Callejo
 wrote:
> Why not to use Riot [1]? It's possible to join/connect conversations through
> it with gitter, IRC, Telegram & Slack.
> And it's FOSS!!
>
> In the Spanish OpenStreetMap community we have IRC+Telegram+Riot rooms
> connected and you could chatt from whatever you want.
>
> It could be a good idea to do it for QGIS community as well.
>
> Cheers
>
> [1] https://riot.im/
>
> --
> Miguel Sevilla-Callejo
> Doctor in Geography
> Research assistance at IPE-CSIC (Zaragoza)
> Associate Lecturer at University of Zaragoza
>
>
> On 27 October 2016 at 08:47, Jürgen E. Fischer  wrote:
>>
>> Hi Clifford,
>>
>> On Wed, 26. Oct 2016 at 15:03:51 -0700, Clifford Snow wrote:
>> > I noticed a QGIS Slack [1] channel. Does anyone know how to get an
>> > invite?
>>
>> I guess there's nobody left out there.  There's IRC and gitter.  See [1].
>>
>>
>> Jürgen
>>
>> [1] https://github.com/qgis/QGIS#support
>>
>> --
>> 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
>> QGIS release manager (PSC)  GermanyIRC: jef on
>> FreeNode
>>
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Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[Totò]

mando wrote
> Nota tecnica: non vedo le mail di Gabriela. Come mai?
> 
> Il giorno 28 ottobre 2016 09:46, Totò 

> pigrecoinfinito@

>  ha
> scritto:

anche io le vedo solo su Nabble!!!



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Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[Luca Mandolesi]

Nota tecnica: non vedo le mail di Gabriela. Come mai?

Il giorno 28 ottobre 2016 09:46, Totò  ha
scritto:

> gabrielacatalinaosaci wrote
> > Ciao, Totò!
> > Grazie mille della risposta. Ho disattivato l'antivirus durante
> > l'installazione, però continua a bloccare il file qgis-bin.exe durante
> > l'avvio di QGIS. Ho provato anche a impostare QGIS e osgeo4w
> > come programmi affidabili. Niente da fare! E', comunque, strano: (1)
> > perché l'antivirus non ha mai reagito così (lo stesso problema su due
> > portatili); (2) perché il file .exe di QGIS-dev lo accetta senza
> problemi;
> > (3) perché il tuo Bitdefender accetta dopo  l'installazione il file, però
> > il mio, no :-((
> > Contatterò il servizio tecnico di Bitdefender. Probabilmente lo sai che
> > Bitdefender è un prodotto romeno ... sembra che sia più "protettivo" con
> i
> > suoi connazionali ;-)
> > Saluti,Gabriela
>
> guarda nel modulo firewall, sicuramente è quello che ti blocca
> l'eseguibile!!!
>
> ciao
>
>
>
> --
> View this message in context: http://osgeo-org.1560.x6.
> nabble.com/QGIS-2-18-tramite-osgeo4w-file-qgis-bin-exe-
> virus-tp5292604p5293182.html
> Sent from the QGIS Italian User mailing list archive at Nabble.com.
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Re: [Qgis-user] Inverted polygons with draw effects in QGIS?

[Chris Buckmaster]

I have just found that it works when using the symbol draw effects, I was using 
the layer draw effects which didn't seem to work. What a great effect QGIS is 
great!

From: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Chris 
Buckmaster
Sent: 28 October 2016 11:13
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Inverted polygons with draw effects in QGIS?

Hi

I am using the inverted polygon symbol so I can symbolise outside of my polygon 
area which works well - I would also like to use the draw effects so I can 
include an outer glow and shadow around my polygon area but when I turn these 
on, the inverted style stops to display and reverts back to it symbolising my 
polygon area. I am not sure if this is an issue or just how the symbology works 
in QGIS?

How can I set it so that I can use the inverted polygon to style the area 
outside of my polygon, as well as include a glow / shadow on my polygon area so 
it appears to pop up from the surface?

Thanks, Chris
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Re: [Qgis-user] Slack Channel

[Sandro Santilli]

On Fri, Oct 28, 2016 at 12:06:57PM +0200, Miguel Sevilla-Callejo wrote:
> Why not to use Riot [1]? It's possible to join/connect conversations
> through it with gitter, IRC, Telegram & Slack.
> And it's FOSS!!
> 
> In the Spanish OpenStreetMap community we have IRC+Telegram+Riot rooms
> connected and you could chatt from whatever you want.
> 
> It could be a good idea to do it for QGIS community as well.

Sounds like a great idea, how about showcasing it ?
Join #qgis on freenode from Riot and say hello !

--strk;
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[Qgis-user] Inverted polygons with draw effects in QGIS?

[Chris Buckmaster]

Hi

I am using the inverted polygon symbol so I can symbolise outside of my polygon 
area which works well - I would also like to use the draw effects so I can 
include an outer glow and shadow around my polygon area but when I turn these 
on, the inverted style stops to display and reverts back to it symbolising my 
polygon area. I am not sure if this is an issue or just how the symbology works 
in QGIS?

How can I set it so that I can use the inverted polygon to style the area 
outside of my polygon, as well as include a glow / shadow on my polygon area so 
it appears to pop up from the surface?

Thanks, Chris
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Re: [Qgis-user] Slack Channel

[Miguel Sevilla-Callejo]

Why not to use Riot [1]? It's possible to join/connect conversations
through it with gitter, IRC, Telegram & Slack.
And it's FOSS!!

In the Spanish OpenStreetMap community we have IRC+Telegram+Riot rooms
connected and you could chatt from whatever you want.

It could be a good idea to do it for QGIS community as well.

Cheers

[1] https://riot.im/

--
*Miguel Sevilla-Callejo*
Doctor in Geography
Research assistance at IPE-CSIC (Zaragoza)
Associate Lecturer at University of Zaragoza


On 27 October 2016 at 08:47, Jürgen E. Fischer  wrote:

> Hi Clifford,
>
> On Wed, 26. Oct 2016 at 15:03:51 -0700, Clifford Snow wrote:
> > I noticed a QGIS Slack [1] channel. Does anyone know how to get an
> invite?
>
> I guess there's nobody left out there.  There's IRC and gitter.  See [1].
>
>
> Jürgen
>
> [1] https://github.com/qgis/QGIS#support
>
> --
> 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
> QGIS release manager (PSC)  GermanyIRC: jef on FreeNode
>
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Re: [Qgis-user] Showing coordinates of the composer map item in a label

[DelazJ]

Hi,

2016-10-28 10:28 GMT+02:00 Alexandre Neto :

> Not sure if this is the kind of stuff you were looking.
>
> https://gisunchained.wordpress.com/2014/09/09/coordenadas-dos-cantos-do-
> mapa-em-qgis-map-corner-coordinates-in-qgis/
>
> I knew I've read something about that in the past but didn't recall where.
And as soon as I found the map_extent_center variable, I focused all my
tests on it
Will give it a try. Thanks Alexandre


> A qui, 27/10/2016, 20:08, Nyall Dawson  escreveu:
>
>> On 28 Oct 2016 1:51 AM, "DelazJ"  wrote:
>> >
>> > Hi all,
>> >
>> > Is that possible to create a label which displays the x and y
>> coordinates of a selected map item in the composer.
>> > I suspect x(@map_extent_center) to do the trick but I'm unable to find
>> how to call the map_extent_center variable in a label item as it's stuck to
>> the map item afaics.
>> >
>> > Any tip, please?
>>
>> It's not currently possible unless you write a python function to do this.
>>
>> Alexandre seems to have done it for me :)
What about extending the var function to take also the context of the
variable? If it's only one parameter then according to where it's called it
retrieves the good variable and with two parameters it looks for the
variable within the passed context, which can be id of a layer, a composer
item

Harrissou

> I've been pondering this week about allowing items to access the variables
>> from another item but need to think this through more.
>>
>> My (current) use case:
>> - working on a map of a train line which consists of three vertical
>> panels covering different parts of the line
>> - certain elements (like label buffers) in the map style use a
>> @background_color variable to data define their color
>> - each map item in the composition has its own @background_color variable
>> set so that this color represents a good background color for the visible
>> content within that panel
>> - I want to style things like North arrows to reuse the @background_color
>> variable from the map item they are associated with.
>>
>> Nyall
>>
>>
>> >
>> > Thanks,
>> > Harrissou
>> >
>> > ___
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>> > Qgis-user@lists.osgeo.org
>> > List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
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>
> --
> Alexandre Neto
> -
> @AlexNetoGeo
> http://sigsemgrilhetas.wordpress.com
> http://gisunchained.wordpress.com
>
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Re: [Qgis-user] Showing coordinates of the composer map item in a label

[Alexandre Neto]

Not sure if this is the kind of stuff you were looking.

https://gisunchained.wordpress.com/2014/09/09/coordenadas-dos-cantos-do-mapa-em-qgis-map-corner-coordinates-in-qgis/

A qui, 27/10/2016, 20:08, Nyall Dawson  escreveu:

> On 28 Oct 2016 1:51 AM, "DelazJ"  wrote:
> >
> > Hi all,
> >
> > Is that possible to create a label which displays the x and y
> coordinates of a selected map item in the composer.
> > I suspect x(@map_extent_center) to do the trick but I'm unable to find
> how to call the map_extent_center variable in a label item as it's stuck to
> the map item afaics.
> >
> > Any tip, please?
>
> It's not currently possible unless you write a python function to do this.
>
> I've been pondering this week about allowing items to access the variables
> from another item but need to think this through more.
>
> My (current) use case:
> - working on a map of a train line which consists of three vertical panels
> covering different parts of the line
> - certain elements (like label buffers) in the map style use a
> @background_color variable to data define their color
> - each map item in the composition has its own @background_color variable
> set so that this color represents a good background color for the visible
> content within that panel
> - I want to style things like North arrows to reuse the @background_color
> variable from the map item they are associated with.
>
> Nyall
>
>
> >
> > Thanks,
> > Harrissou
> >
> > ___
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-- 
Alexandre Neto
-
@AlexNetoGeo
http://sigsemgrilhetas.wordpress.com
http://gisunchained.wordpress.com
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Re: [QGIS-it-user] QGIS 2.18 tramite osgeo4w, file qgis-bin.exe virus?

[Totò]

gabrielacatalinaosaci wrote
> Ciao, Totò!
> Grazie mille della risposta. Ho disattivato l'antivirus durante
> l'installazione, però continua a bloccare il file qgis-bin.exe durante
> l'avvio di QGIS. Ho provato anche a impostare QGIS e osgeo4w
> come programmi affidabili. Niente da fare! E', comunque, strano: (1)
> perché l'antivirus non ha mai reagito così (lo stesso problema su due
> portatili); (2) perché il file .exe di QGIS-dev lo accetta senza problemi;
> (3) perché il tuo Bitdefender accetta dopo  l'installazione il file, però
> il mio, no :-((
> Contatterò il servizio tecnico di Bitdefender. Probabilmente lo sai che
> Bitdefender è un prodotto romeno ... sembra che sia più "protettivo" con i
> suoi connazionali ;-)
> Saluti,Gabriela

guarda nel modulo firewall, sicuramente è quello che ti blocca
l'eseguibile!!!

ciao



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[Qgis-user] [2.18] Does version 2.18 render 1-bit tif raster images slower than 2.16?

[sandthorn]

My project contains a hundred grids of 1-bit tif raster with "nodata"
transparency.
I notice that both 2.17 weekly and 2.18.0 render raster grids slower than
2.16.3.
So I move back to 2.16.3 only for the quicker renderer.

Are there changes in the renderer that would cause this?
If yes, can I configure it to the old one?

Thanks,
sandthorn.



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