[QGIS-it-user] Come funziona QGIS

2017-01-23 Per discussione Paolo Cavallini 
Salve,
uno scambio di mail estremamente interessante, che mostra quanto sia
positiva e in salute la comunità di QGIS:
https://lists.osgeo.org/pipermail/qgis-user/2017-January/038896.html
Critiche costruttive che scatenano una serie di azioni positive.
Un piacere lavorare in questo contesto.
Saluti, e felice giornata.
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Re: [QGIS-it-user] 'buffer' rettangolare

2017-01-23 Per discussione Marco Spaziani 
Prova con il comando "offset" del plugin QAD

Il giorno 23 gennaio 2017 16:54, Paolo Cavallini  ha
scritto:

> Il 23/01/2017 16:51, Luca Puglisi ha scritto:
> > per quello che capisco, piuttosto endcap=flat.
> > Grazie Paolo
>
> sì, ecco, andavo a memoria, e si sa, l'età ;)
> saluti
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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Re: [QGIS-it-user] 'buffer' rettangolare

2017-01-23 Per discussione Marco Spaziani 
ok con v.buffer.distance ...era la mia opzione "B" che stavo per proporti

Il giorno 23 gennaio 2017 16:56, Luca Puglisi  ha
scritto:

> Grazie Paolo, la tua risposta mi ha dato indizi per migliorare la ricerca
> di soluzioni: e' bastato marcare Do not make caps at the ends of polylines
> in v.buffer.distance per ottenere quanto desiderato.
> Ciao
> L
>
> Il 23/01/2017 16:46, Paolo Cavallini ha scritto:
>
>> Il 23/01/2017 16:36, Luca Puglisi ha scritto:
>>
>>> Buongiorno,
>>>
>>> e' possibile individuare due fasce ai lati di una linea, cioe' una sorta
>>> di buffer ma senza i semicerchi generati alle due estremita' della linea
>>> stessa? Spero di non aver posto la domanda in maniera troppo contorta.
>>>
>> è una opzione dei buffer, endcap=square
>> ho interpretato correttamente?
>> se lavori su PostGIS applichi direttamente l'opzione, su shapefile ci
>> devo studiare.
>> saluti.
>>
>
>
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Re: [QGIS-it-user] 'buffer' rettangolare

2017-01-23 Per discussione Luca Puglisi 
Grazie Paolo, la tua risposta mi ha dato indizi per migliorare la 
ricerca di soluzioni: e' bastato marcare Do not make caps at the ends of 
polylines in v.buffer.distance per ottenere quanto desiderato.

Ciao
L

Il 23/01/2017 16:46, Paolo Cavallini ha scritto:

Il 23/01/2017 16:36, Luca Puglisi ha scritto:

Buongiorno,

e' possibile individuare due fasce ai lati di una linea, cioe' una sorta
di buffer ma senza i semicerchi generati alle due estremita' della linea
stessa? Spero di non aver posto la domanda in maniera troppo contorta.

è una opzione dei buffer, endcap=square
ho interpretato correttamente?
se lavori su PostGIS applichi direttamente l'opzione, su shapefile ci
devo studiare.
saluti.



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Re: [QGIS-it-user] 'buffer' rettangolare

2017-01-23 Per discussione Paolo Cavallini 
Il 23/01/2017 16:51, Luca Puglisi ha scritto:
> per quello che capisco, piuttosto endcap=flat.
> Grazie Paolo

sì, ecco, andavo a memoria, e si sa, l'età ;)
saluti
-- 
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Re: [QGIS-it-user] 'buffer' rettangolare

2017-01-23 Per discussione Paolo Cavallini 
Il 23/01/2017 16:36, Luca Puglisi ha scritto:
> Buongiorno,
> 
> e' possibile individuare due fasce ai lati di una linea, cioe' una sorta
> di buffer ma senza i semicerchi generati alle due estremita' della linea
> stessa? Spero di non aver posto la domanda in maniera troppo contorta.

è una opzione dei buffer, endcap=square
ho interpretato correttamente?
se lavori su PostGIS applichi direttamente l'opzione, su shapefile ci
devo studiare.
saluti.
-- 
Paolo Cavallini - www.faunalia.eu
QGIS & PostGIS courses: http://www.faunalia.eu/training.html
https://www.google.com/trends/explore?date=all=IT=qgis,arcgis
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Re: [Qgis-user] QGIS 2.18.2 can not see GRASS data / use GRASS algorithms

2017-01-23 Per discussione Robert Nuske 
Right Micha!

I now remember you posted that hint already last week. 
It somehow feels hackish to create a symlink to an old grass version while 
using the recommended combination of repositories [1, 2].

Nevertheless, I can confirm the hack works. I used a symlink to the available 
generic grass command:  sudo   ln -s  /usr/bin/grass  /usr/bin/grass70


thanks
  robert 


[1] http://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu
[2] snippet from my sources.list:
deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial main
deb http://qgis.org/ubuntugis xenial main


Am Montag, 23. Januar 2017, 13:14:06 CET schrieben Sie:
> Processing Toolbox still looks for GRASS at /usr/bin/grass70.
> The workaround I used is to add a softlink:
> sudo ln -s /usr/bin/grass72/usr/bin/grass70
> It was already pointed [1] out that the correct solution would be for
> Processing to use the generic /usr/bin/grass which will always point to
> the current version.
> 
> [1]http://lists.osgeo.org/pipermail/qgis-user/2017-January/038874.html
> 
> On 2017-01-23 12:40 PM, Robert Nuske wrote:
> > Dear benefactor,
> > 
> > thanks a lot to the kind soul who did the packaging for 2.18.3 !
> > I now can see and open my GRASS data again in QGIS.
> > 
> > 
> > But I still can not execute GRASS commands from the Processing Toolbox.
> > I still get the same error message claiming my GRASS is not installed
> > correctly. But I can open GRASS 7.2 from the command line w/o problems.
> > 
> > Is there a setting telling QGIS where to look for GRASS?
> > I didn't find anything in the processing options. The GRASS GIS 7 commands
> > are already activated and the path to the GRASS 7 docs is fine.
> > 
> > cheers
> > 
> >robert
> > 
> > Am Donnerstag, 12. Januar 2017, 16:25:07 CET schrieb Robert Nuske:
> >> Dear List
> >> 
> >> I can not see/load my GRASS data from within QGIS anymore and can not use
> >> the GRASS algorithms offered in the Processing Toolbox (GRASS GIS 7
> >> commands are activated in the Processing options).
> >> 
> >> Trying to run v.info from the Toolbox I get the following error message:
> >> ---
> >> This algorithm cannot be run :-(
> >> It seems that GRASS GIS 7 is not correctly installed and configured in
> >> your
> >> system. Please install it before running GRASS GIS 7 algorithms.
> >> ---
> >> 
> >> Starting QGIS on the command line does not produce suspicious output:
> >> ---
> >> $ qgis
> >> Warning: loading of qgis translation failed
> >> [/usr/share/qgis/i18n//qgis_en_US] Warning: loading of qt translation
> >> failed [/usr/share/qt4/translations/ qt_en_US]
> >> Warning: QCss::Parser - Failed to load file  "/style.qss"
> >> Warning: QLayout: Attempting to add QLayout "" to QgsPanelWidgetStack
> >> "mWidgetStack", which already has a layout
> >> ---
> >> 
> >> QGIS 2.18.2  was installed this week on a new computer running kubuntu
> >> 16.04.1 (xenial) amd64 using the following repositories
> >> 
> >>deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu
> >>xenial
> >> 
> >> main deb http://qgis.org/ubuntugis xenial main
> >> Please see below for a list of qgis related installed packages.
> >> 
> >> 
> >> Do I use the wrong repositories or does anything else need to be
> >> configured?
> >> 
> >> Any hints are more than welcome.
> >> 
> >> Thanks
> >> 
> >>Robert
> >> 
> >> ---
> >> 
> >> $ dpkg -s qgis
> >> Package: qgis
> >> Status: install ok installed
> >> Priority: optional
> >> Section: science
> >> Installed-Size: 18417
> >> Maintainer: QGIS developers 
> >> Architecture: amd64
> >> Version: 1:2.18.2+24xenial-ubuntugis
> >> 
> >> $ dpkg -s grass
> >> Package: grass
> >> Status: install ok installed
> >> Priority: optional
> >> Section: metapackages
> >> Installed-Size: 35
> >> Maintainer: Debian GIS Project 
> >> Architecture: all
> >> Version: 7.2.0-1~xenial2
> >> 
> >> 
> >> $ aptitude search qgis | grep ^i
> >> i A libqgis-analysis2.18.2  - QGIS - shared analysis library
> >> i A libqgis-app2.18.2   - QGIS - shared app library
> >> i A libqgis-core2.18.2  - QGIS - shared core library
> >> i A libqgis-customwidgets   - QGIS custom widgets for Qt Designer
> >> i A libqgis-gui2.18.2   - QGIS - shared gui library
> >> i A libqgis-networkanalysis2.18.2   - QGIS - shared network analysis
> >> library i A libqgis-server2.18.2- QGIS - shared server
> >> library i A libqgisgrass7-2.18.2- QGIS - shared grass
> >> library
> >> i A libqgispython2.18.2 - QGIS - shared Python library
> >> i A python-qgis - Python bindings to QGIS
> >> i A python-qgis-common  - Python bindings to QGIS -
> >> architecture i   qgis- Geografisches
> >> Informationssystem (GIS) i A qgis-common -

Re: [Qgis-user] QGIS 2.18.2 can not see GRASS data / use GRASS algorithms

2017-01-23 Per discussione Micha Silver 

Processing Toolbox still looks for GRASS at /usr/bin/grass70.
The workaround I used is to add a softlink:
sudo ln -s /usr/bin/grass72/usr/bin/grass70
It was already pointed [1] out that the correct solution would be for 
Processing to use the generic /usr/bin/grass which will always point to 
the current version.


[1]http://lists.osgeo.org/pipermail/qgis-user/2017-January/038874.html

On 2017-01-23 12:40 PM, Robert Nuske wrote:

Dear benefactor,

thanks a lot to the kind soul who did the packaging for 2.18.3 !
I now can see and open my GRASS data again in QGIS.


But I still can not execute GRASS commands from the Processing Toolbox.
I still get the same error message claiming my GRASS is not installed
correctly. But I can open GRASS 7.2 from the command line w/o problems.

Is there a setting telling QGIS where to look for GRASS?
I didn't find anything in the processing options. The GRASS GIS 7 commands are
already activated and the path to the GRASS 7 docs is fine.

cheers
   robert


Am Donnerstag, 12. Januar 2017, 16:25:07 CET schrieb Robert Nuske:

Dear List

I can not see/load my GRASS data from within QGIS anymore and can not use
the GRASS algorithms offered in the Processing Toolbox (GRASS GIS 7
commands are activated in the Processing options).

Trying to run v.info from the Toolbox I get the following error message:
---
This algorithm cannot be run :-(
It seems that GRASS GIS 7 is not correctly installed and configured in your
system. Please install it before running GRASS GIS 7 algorithms.
---

Starting QGIS on the command line does not produce suspicious output:
---
$ qgis
Warning: loading of qgis translation failed
[/usr/share/qgis/i18n//qgis_en_US] Warning: loading of qt translation
failed [/usr/share/qt4/translations/ qt_en_US]
Warning: QCss::Parser - Failed to load file  "/style.qss"
Warning: QLayout: Attempting to add QLayout "" to QgsPanelWidgetStack
"mWidgetStack", which already has a layout
---

QGIS 2.18.2  was installed this week on a new computer running kubuntu
16.04.1 (xenial) amd64 using the following repositories
   deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial
main deb http://qgis.org/ubuntugis xenial main
Please see below for a list of qgis related installed packages.


Do I use the wrong repositories or does anything else need to be configured?

Any hints are more than welcome.

Thanks
   Robert

---

$ dpkg -s qgis
Package: qgis
Status: install ok installed
Priority: optional
Section: science
Installed-Size: 18417
Maintainer: QGIS developers 
Architecture: amd64
Version: 1:2.18.2+24xenial-ubuntugis

$ dpkg -s grass
Package: grass
Status: install ok installed
Priority: optional
Section: metapackages
Installed-Size: 35
Maintainer: Debian GIS Project 
Architecture: all
Version: 7.2.0-1~xenial2


$ aptitude search qgis | grep ^i
i A libqgis-analysis2.18.2  - QGIS - shared analysis library
i A libqgis-app2.18.2   - QGIS - shared app library
i A libqgis-core2.18.2  - QGIS - shared core library
i A libqgis-customwidgets   - QGIS custom widgets for Qt Designer
i A libqgis-gui2.18.2   - QGIS - shared gui library
i A libqgis-networkanalysis2.18.2   - QGIS - shared network analysis library
i A libqgis-server2.18.2- QGIS - shared server library i A
libqgisgrass7-2.18.2- QGIS - shared grass library
i A libqgispython2.18.2 - QGIS - shared Python library
i A python-qgis - Python bindings to QGIS
i A python-qgis-common  - Python bindings to QGIS - architecture
i   qgis- Geografisches Informationssystem
(GIS) i A qgis-common - QGIS - architecture-independent
data i A qgis-plugin-globe   - OSG globe plugin for QGIS
i A qgis-plugin-globe-common- OSG globe plugin for QGIS - arch
i A qgis-plugin-grass   - GRASS plugin for QGIS
i A qgis-plugin-grass-common- GRASS plugin for QGIS - architecture
i A qgis-provider-grass - GRASS provider for QGIS
i A qgis-providers  - collection of data providers to QGIS
i A qgis-providers-common   - collection of data providers to QGIS


$ aptitude search grass | grep ^i
i   grass   - Geographic Resources Analysis Support
i A grass-core  - GRASS-GIS-Kernkomponenten
i A grass-doc   - GRASS GIS user documentation
i A grass-gui   - GRASS GIS graphical user interfaces
i A libqgisgrass7-2.18.2- QGIS - shared grass library
i A qgis-plugin-grass   - GRASS plugin for QGIS
i A qgis-plugin-grass-common- GRASS plugin for QGIS - architecture-
i A qgis-provider-grass - GRASS provider for QGIS
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Re: [Qgis-user] QGIS 2.18.2 can not see GRASS data / use GRASS algorithms

2017-01-23 Per discussione Robert Nuske 
Dear benefactor,

thanks a lot to the kind soul who did the packaging for 2.18.3 !
I now can see and open my GRASS data again in QGIS.


But I still can not execute GRASS commands from the Processing Toolbox. 
I still get the same error message claiming my GRASS is not installed 
correctly. But I can open GRASS 7.2 from the command line w/o problems.

Is there a setting telling QGIS where to look for GRASS?
I didn't find anything in the processing options. The GRASS GIS 7 commands are 
already activated and the path to the GRASS 7 docs is fine.

cheers
  robert


Am Donnerstag, 12. Januar 2017, 16:25:07 CET schrieb Robert Nuske:
> Dear List
> 
> I can not see/load my GRASS data from within QGIS anymore and can not use
> the GRASS algorithms offered in the Processing Toolbox (GRASS GIS 7
> commands are activated in the Processing options).
> 
> Trying to run v.info from the Toolbox I get the following error message:
> ---
> This algorithm cannot be run :-(
> It seems that GRASS GIS 7 is not correctly installed and configured in your
> system. Please install it before running GRASS GIS 7 algorithms.
> ---
> 
> Starting QGIS on the command line does not produce suspicious output:
> ---
> $ qgis
> Warning: loading of qgis translation failed
> [/usr/share/qgis/i18n//qgis_en_US] Warning: loading of qt translation
> failed [/usr/share/qt4/translations/ qt_en_US]
> Warning: QCss::Parser - Failed to load file  "/style.qss"
> Warning: QLayout: Attempting to add QLayout "" to QgsPanelWidgetStack
> "mWidgetStack", which already has a layout
> ---
> 
> QGIS 2.18.2  was installed this week on a new computer running kubuntu
> 16.04.1 (xenial) amd64 using the following repositories
>   deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial
> main deb http://qgis.org/ubuntugis xenial main
> Please see below for a list of qgis related installed packages.
> 
> 
> Do I use the wrong repositories or does anything else need to be configured?
> 
> Any hints are more than welcome.
> 
> Thanks
>   Robert
> 
> ---
> 
> $ dpkg -s qgis
> Package: qgis
> Status: install ok installed
> Priority: optional
> Section: science
> Installed-Size: 18417
> Maintainer: QGIS developers 
> Architecture: amd64
> Version: 1:2.18.2+24xenial-ubuntugis
> 
> $ dpkg -s grass
> Package: grass
> Status: install ok installed
> Priority: optional
> Section: metapackages
> Installed-Size: 35
> Maintainer: Debian GIS Project 
> Architecture: all
> Version: 7.2.0-1~xenial2
> 
> 
> $ aptitude search qgis | grep ^i
> i A libqgis-analysis2.18.2  - QGIS - shared analysis library
> i A libqgis-app2.18.2   - QGIS - shared app library
> i A libqgis-core2.18.2  - QGIS - shared core library
> i A libqgis-customwidgets   - QGIS custom widgets for Qt Designer
> i A libqgis-gui2.18.2   - QGIS - shared gui library
> i A libqgis-networkanalysis2.18.2   - QGIS - shared network analysis library
> i A libqgis-server2.18.2- QGIS - shared server library i A
> libqgisgrass7-2.18.2- QGIS - shared grass library
> i A libqgispython2.18.2 - QGIS - shared Python library
> i A python-qgis - Python bindings to QGIS
> i A python-qgis-common  - Python bindings to QGIS - architecture
> i   qgis- Geografisches Informationssystem
> (GIS) i A qgis-common - QGIS - architecture-independent
> data i A qgis-plugin-globe   - OSG globe plugin for QGIS
> i A qgis-plugin-globe-common- OSG globe plugin for QGIS - arch
> i A qgis-plugin-grass   - GRASS plugin for QGIS
> i A qgis-plugin-grass-common- GRASS plugin for QGIS - architecture
> i A qgis-provider-grass - GRASS provider for QGIS
> i A qgis-providers  - collection of data providers to QGIS
> i A qgis-providers-common   - collection of data providers to QGIS
> 
> 
> $ aptitude search grass | grep ^i
> i   grass   - Geographic Resources Analysis Support
> i A grass-core  - GRASS-GIS-Kernkomponenten
> i A grass-doc   - GRASS GIS user documentation
> i A grass-gui   - GRASS GIS graphical user interfaces
> i A libqgisgrass7-2.18.2- QGIS - shared grass library
> i A qgis-plugin-grass   - GRASS plugin for QGIS
> i A qgis-plugin-grass-common- GRASS plugin for QGIS - architecture-
> i A qgis-provider-grass - GRASS provider for QGIS
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[Qgis-user] Find services in the CSW and click on the link to add the service into the map using MetaSearch Catalogue Client plugin in QGIS

2017-01-23 Per discussione Farook M 
I am using Metasearch catalogue client qgis plugin(
https://www.geodata.se/geonetwork/srv/eng/csw?service=CSW=GetCapabilities=2.0.2)
to find services in csw and add the service into map.I had created a new
service and searched using a keyword. It could see a list of services and
datasets for the keyword which i had searched. But Add WMS/WMTS, Add WFS,
WCS buttons are disabled. But i could see these buttons enabled for the
default connections.What should be done to enable these buttons or how do
these get enabled for default connections?The CSW url is
https://www.geodata.se/geonetwork/srv/eng/csw
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[Qgis-user] MIssing relations in PBF file

2017-01-23 Per discussione Weirather Mira 
Hello all,I loaded OSM data in PBF format. With bigger files (e.g. 116MB), 
relations (multipolygons) are missing. I contacted GeoFabrik, from which I 
loaded the data, and they told me this is a bug in QGIS, and that there is 
probably already a solution to it. I couldn't find anything to solve my 
problem, so I ask you if you can help me.My QGIS version is 2.18.3 and it's 
running on Windows 64bit.
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