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Results tagged with python
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user 6853
Python is an open source interpreted programming language used in many GIS programs.
2
votes
1
answer
1k
views
python gdal_polygonize error
I am trying to use gdal_polygonize to create a polygon from a binary raster.
My code is:
os.system('gdal_polygonize.py ' + filename + ' -f ESRI Shapefile ' + shapefile)
where filename is a string …
- 637
1
vote
python gdal_polygonize error
The problem was that I didn't use quotation marks when specifying output format: "ESRI Shapefile"
- 637
4
votes
3
answers
181
views
Is there a workaround for GRASS i.maxlik 'class' being a keyword in Python?
I am running i.maxlik in python - attempting to automate a processing chain. … I use the command:
grass.run_command('i.maxlik', group= group, subgroup=subgroup, class='classification', sigfile = sigfile, verbose = True)
Infuriatingly, however 'class' is a python keyword and it …
- 637
4
votes
1
answer
2k
views
Raster algebra in Python with rasters of different extents
I am trying to find out how to use GDAL & numpy modules to average a set of rasters which are Sigma0 values from satellite passes at different times within a year.
Each raster has been mosaicked from …
- 637
11
votes
3
answers
3k
views
Histogram Matching using Python to improve mosaicking process of multiple overlapping rasters?
I am trying to do histogram matching using Python to improve the mosaicking process of multiple overlapping rasters. …
- 637
10
votes
3
answers
10k
views
Setting the extent for a QGIS map using python
I am writing a stand-alone application in Python/QGIS that simply creates maps.
I want to load vector/raster layers, set symbology, set extent
At the moment, that is all! …
- 637