New answers tagged imagery
You can use r.patch for that (see help file) You probably want to set the region first to encompass all raster layers, after which you can use r.patch to 'mosaic' the layers. The following example is from the helpfile: export MAPS=`g.mlist type=rast sep=, pat="map_*"` g.region rast=$MAPS r.patch in=$MAPS out=mosaic Use the keyword export when you are ...
You should try using the GDAL library (Python) to clip your raster. GDAL_translate should work for your needs. Link below to a similar question. [Clipping raster with vector layer using GDAL
Did you try the clip tool to clip the raster (this is one of several options)
.ers - header file .ecw - data file
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