Questions tagged [qgis-grass-plugin]

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2answers
421 views

v.in.dxf not working properly in GRASS toolbox in QGIS 2.18.11

I am using the GRASS v.in.dxf tool from the GRASS plugin to import some contours in QGIS. Everything seems fine, but the tool does not import all the contours. There are no additional options in this ...
1
vote
1answer
77 views

Applying advanced parameter settings with RQGIS?

I am working on stream network delineation with GRASS 7 in RQGIS, the 'r.stream.extract' algorithm in particular. However, the algorithm returns erroneous result when the Advanced parameter, "v.out....
2
votes
1answer
671 views

How to know stream order in QGIS on output of r.stream.extract

I have stream order created over DEM using r.stream.extract , which gives 3 output files: stream_raster - raster map stores extracted streams. stream_vector - extracted points for each stream ...
0
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0answers
145 views

Missing v.stream.order of GRASS in QGIS processing tool

I want to use v.stream.order of GRASS in QGIS for stream but it is not available in QGIS processing tool. How to add that in processing tool QGIS version 2.14.17-Essen
2
votes
1answer
215 views

cannot start grass modules in gqis 2.14

When wanting to use the different modules in GRASS 7.2.1 I get this error. The version of qgis is 2.14.17 on 64 bit windows. I already checked that grass can find the right provider folder path. Who ...
3
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0answers
195 views

Using GRASS v.rast.stats: Rast stats layer not correctly generated

I want to use the GRASS tool v.rast.stats for extracting information from raster data. I need average, mean, number etc. for each of the 15 polygons. When I run the tool, following message appears at ...
2
votes
1answer
309 views

GRASS in QGIS - ' Cannot read raster map region' (running r.lake.xy)

I want to use the GRASS function r.lake.xy on a DEM that I have. I load the DEM raster into QGIS, it is not georeferenced. Then I create a New Mapset. I set Projection Not defined. I either leave the ...
11
votes
1answer
1k views

r.mapcalc does not give output in QGIS

For a while now I have been trying to use r.mapcalc from the QGIS Processing Toolbox. However, the algorithm does not give me any output. I have tried several raster layers and different expressions, ...
1
vote
0answers
289 views

Linux QGIS 2.18.4 GRASS7 tools not working

GRASS tools are showing & GRASS 7 shows as activated in the Providers menu, but I get the "Missing dependency, GRASS isn't configured properly" message. How do I configure it properly? GRASS 7.2 ...
-1
votes
1answer
231 views

Stability problem of QGIS 2.18 grass algorithms (windows 7 - 64 bits) [closed]

I'm checking for a stability problem of QGIS 2.18 grass algorithms. I could not use Grass algorithms like r.reclass with QGIS 2.18.4 (64 bits) After researching in forums and using all the ...
4
votes
0answers
138 views

Layers from GRASS db won't load in QGIS 2.18.4 desktop

I have been learning QGIS online but now I am stuck at a module. I am supposed to launch a project that includes GRASS vector and point layers. However, when I do so I always receive the 'Handle bad ...
2
votes
0answers
68 views

Generating ground control points with GRASS?

I want to find out matching ground control points in two images for auto georeferencing and grass manual says that i.points.auto will do the job. I am using Grass 7.2 but couldn't find this plugin.
3
votes
2answers
2k views

QGIS 2.18 Windows 10, 32 bit system - where is the GRASS plugin?

I checked these question/answers already, but they did not address my issue: GRASS plugin missing from QGIS 2.14.3 Essen in Ubuntu 14.04 How do I get grass plugin working in QGIS for Windows? I am ...
6
votes
2answers
3k views

How to clip raster in GRASS GIS?

I am using GRASS GIS 7.2.0. The intent is to clip my DEM raster. I have searched available raster tools but didn't found anything allow me to clip my raster using polygon vector or interactively. How ...
1
vote
0answers
59 views

GRASS plugin to QGIS [closed]

I want to work on QGIS using GRASS HRU. it needs QGIS software to boot first, but it is not booting. I tried reinstalling the software also. I can open GRASS but its not giving any result. I ...
5
votes
1answer
2k views

Finding GRASS module after upgrading QGIS (Mac)?

I upgraded from QGIS 2.10.1 PISA to QGIS 2.18 last week (via KyngChaos), and since then have not been able to run GRASS within QGIS - it appears not to be able to find the module. I had a look at ...
2
votes
0answers
203 views

QGis 2.18 (and other tests on QGis 2.14) hangs with GRASS 7 editing session (OS Windows 8and 10)

I installed QGis 2.18 (64bit and 32bit versions) and i started a session with GRASS 7 in Windows 8 environment (the same thing I did on another workstation with Windows 10). I loaded a test layer with ...
0
votes
0answers
110 views

Issue with v.clean (GRASS command) in QGIS [duplicate]

I've trying to clean topology in certain shapefiles. When I use v.clean command from GRASS 7 in QGIS, the results is a shapefile with a different CRS from original shapefile. Also, when I try to ...
3
votes
1answer
337 views

How do I set the GRASS_ADDON_BASE environment variable?

I am using QGIS and now GRASS GIS but I am not overly computer savvy. I am trying to add a GRASS modules (r.lfp) to my GRASS setup. I am on a Windows computer and can use the GRASS shell (I used to ...
4
votes
1answer
6k views

Getting GRASS plugin working in QGIS for Windows?

I've installed QGIS 2.16.3-1 on Windows 10 via the OSGeo4W 64-bit installer and also selected the following packages: grass (7.0.5-1) qgis-grass-plugin7 (2.16.3-1) qgis-grass-plugin-common (2.16.3-1) ...
2
votes
1answer
817 views

'Add GRASS vector layer' button in QGIS 2.16.2 with GRASS 7.0.4? [duplicate]

I could not find 'Add GRASS vector layer' button in QGis 2.16.2 with GRASS 7.0.4? Can someone help?
5
votes
2answers
4k views

Grass tools not working in QGIS 2.14.3-ESSEN, OSGEO4W [duplicate]

Windows 10 QGIS 2.14.3-ESSEN OSGEO4W install (current) 64-bit Processing toolbox. Grass tools do not work Neither 6 nor 7. 6 makes sense as I do not see OSGEO4W installing it but 7 tools are ...
3
votes
1answer
1k views

GRASS plugin missing from QGIS 2.14.3 Essen in Ubuntu 14.04

I had installed QGIS 2.14.0 (or .1 not sure) and I did some work with the GRASS plugin a couple of months ago, so it was there. I upgraded a couple of weeks ago to QGIS 2.14.3 and I was planning in ...
5
votes
1answer
1k views

Cannot locate GRASS plugin in QGIS 2.14.1 on Linux

I am trying to load the GRASS plugin in QGIS but it is not shown in the plugin manager (no matter if I turn on experimental and deprecated plugins). Under processing / options / providers GRASS GIS 7 ...
4
votes
2answers
7k views

How to activate GRASS GIS 7 plugin in QGIS 2.8?

Apparently, my linux ubuntu setup of QGIS doesn't contain grass gis, although when I initially installed it last week I added grass gis to the command line. Anyway, I typed in once again and installed ...
1
vote
1answer
167 views

Imported Shapefile layer doesn't show up in GRASS v.net dialog

I am using the GRASS interface in QGIS 2.4. I have successfully imported my shapefiles into GRASS using v.in.ogr, but when I try to then use a GRASS tool, like v.net Network maintenance, the select ...

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