Il 12/10/2014 23:31, Jonas Sjögren ha scritto:
I am trying to clip a road network by a polygon in a script using the
algorithm
'qgis:clip'. The result seems to be quite ok but it takes an incredible long
time to
produce, about 14 hours (!).
Have you tried one of the several Processing
Hi,
running 2.4 /phyton programming
i need the Id of one of three layers and that layer is not the active one.
want to remove that unneeded layer with python.
Regards
walter
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I have Ubuntu 14.04LTS and QGIS 2.4. I have not used QGIs for a long time
and have problems to find thing, but this I a real big problem!
If i move the QGIS main-window it resize and get bigger/higher than 1200
pixel (appoximaltly 1500 pixel high), and I can't make it smaller :(
I have 4
If I start from terminal I get this errorrs
Johan@Datorn:~$ qgis
Warning: loading of qt translation failed
[/usr/share/qt4/translations/qt_en_US]
Warning: QGraphicsScene::addItem: item has already been added to this scene
no need
; ; ; ; ; *;
* deactivate parallellinetool
Hi,
On Mon, Oct 13, 2014 at 11:57 AM, Johan Nilsson joni8...@gmail.com wrote:
If I start from terminal I get this errorrs
Johan@Datorn:~$ qgis
Warning: loading of qt translation failed
[/usr/share/qt4/translations/qt_en_US]
Warning: QGraphicsScene::addItem: item has already been added to
Hi.
Will try that..
Seems to work :)
Tanks Oiva :)
2014-10-13 12:02 GMT+02:00 Hakala Oiva (MTT) oiva.hak...@mtt.fi:
Hi Johan
Have you tried to temporarily rename or delete .qgis2 folder from you home
folder and restart Qgis? Sometimes something goes wrong with settings. I
also use
Hey Walter.
Try this:
maplayers = QgsMapLayerRegistry.instance().mapLayers()
maplayers will be a dict of layerid-layer object
- Nathan
On Mon, Oct 13, 2014 at 7:19 PM, walter.nordmann walter.nordm...@web.de
wrote:
Hi,
running 2.4 /phyton programming
i need the Id of one of three layers
Nathan Woodrow wrote
Try this:
maplayers = QgsMapLayerRegistry.instance().mapLayers()
maplayers will be a dict of layerid-layer object
and than? i'm new to qgis programming and the documentation is not very
helpfull :(
Please no breadcrombs. Trying to solve this little problem for 2 day
layer.id() returns the id
http://qgis.org/api/classQgsMapLayer.html#a710f27dec806d3bcd5ae14701c2e6fd7
layer.name() returns the name
http://qgis.org/api/classQgsMapLayer.html#aff7fb3990b6c736fbe41643666b027e5
If you have a layerid and you want to look up the layer object for it you
can use:
Hi list,
I was wondering, is it possible to have multiple installs of QGIS at the same
time on a Windows box?
I.e.:
2.2
2.4
2.6 (in a month)?
Or can you only have one? And does the answer vary depending on whether you're
using the OSGeo installer or the standalone one?
Cheers,
Jonathan
I've had 2.2 and 2.4 using the OSGEO Installer.
I haven't tried multiple copies with the standalone installer.
Randy
On 10/13/2014 09:02 AM, Jonathan Moules wrote:
Hi list,
I was wondering, is it possible to have multiple installs of QGIS at
the same time on a Windows box?
I.e.:
2.2
Hi Stefan,
How large is the image? As in, pixel width height.
Also the GDALinfo would be helpful.
7 days is a very long time. I've seen times like that myself for images that
were 100,000*50,000 or similar dimensions where there was (still is?) an issue
with the pyramiding function in GDAL
Hi Jonathan
Yes, you can.
You can install the standalone version - it installs into a unique folder under
C:\Program Files\
You can install using OSGeo4W and install the latest stable and development
releases into OSGeo4W\apps\qgis and qgis-dev
However, having said this all installs (I have
Use the --configpath and --settings path command line options to split the
config and settings path.
Nathan
On Oct 13, 2014 11:13 PM, McDonaldR mcdona...@angus.gov.uk wrote:
Hi Jonathan
Yes, you can.
You can install the standalone version – it installs into a unique folder
under
Hi Alex,
It may just be me being slow, but it's not entirely clear what you're trying
to accomplish here. As best I can tell the two images are at very very
different scales. Are you trying to georeference the Newark close-up onto the
Newark-area map?
I believe using a transformation Type of
Hi Stefan
Does it need to be gauss as resampling method? You can use QGIS' own
resampling functionality to get nice raster rendering.
Regards
Stefan
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Il 13/10/2014 15:40, Jonas Sjögren ha scritto:
thank you for answering. Actually, I have not found any other processing
tools for
clipping a shapefile by another shapefile than the 'qgis:clip', except for the
'gdalogr:ogr2ogr'. Do you have any suggestions?
Try in Processing: v.overlay or
On 13-10-14 15:15, Nathan Woodrow wrote:
Use the --configpath and --settings path command line options to split
the config and settings path.
Read something about that here:
http://www.qgis.nl/2014/04/22/qgis-in-de-klas-onder-windows/?lang=en
Richard
last try:
That is all what i want to do. Create a layer, use it for clipping (works
fine) and remove it.
Reduced code:
clipLayer.id is not accepted.
http://qgis.org/api/2.2/classQgsMapLayerRegistry.html#ae16eed3de96bd605893d06551ceacb1c
running 2.4. have specifications changed from 2.2 to
omg, got it:
QgsMapLayerRegistry.instance().removeMapLayer(clipLayer.id*()*)
walter
2 1/2 days for one statement :(
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Hi Walter,
I'm glad you found it!
Small hint for next time: paste some code from what you tried already
and it will be easier to spot the error for others :-)
Regards,
Matthias
On 13.10.2014 16:46, walter.nordmann wrote:
omg, got it:
Dear all,
I would like to know whether the join command, you can associate multiple
values.
For example, the same municipality has different classes of economic
activities and corrispondent values of no. of workers. QGIS should associate
for each municipalities multiple values.
I tried to
This also happens on Win7 64 QGIS 2.4.0. Not right away,
but after working with a QGIS file for a while the top of
the window freezes against the top of the display area, and
the bottom of the QGIS window is down below the screen size.
The only way I have found to fix this is close down and
I am also using QGIS 2.4 64b Chugiak on Windows 7.
The same thing happens to me. Even when I create
a line layer with only 11 lines and try to clip 3
of them with a polygon layer, the progress bar just
goes back and forth for ever.
I didn't run it for hours to see what would eventually
happen.
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