I have a Shapefile with a lot of empty columns but many of them are empty. Using QGIS or ogr2ogr, how do I remove all attribute columns where everything is NULL?
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I have a python script and I use it through my toolbox but I use it many times in a day. Is it possible to assign a keyboard shortcut to my ...
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I want to implement a feature in my app (gmap powered) to highlight the area on mouse over. Much like the functionality in wikimapia. Check ...
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I have some multi-spectral data, where the individual bands are separate Raster files. How do I layer stack these rasters so that I get one ...
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