Alessandro, You can combine the tiff and the mask using GDAL's VRT format or by using the -separate option in gdal_merge.py script. The extra band should be set as a nodata mask or alpha band.
http://www.gdal.org/gdal_vrttut.html http://www.gdal.org/gdalbuildvrt.html http://www.gdal.org/gdal_merge.html On Thu, Apr 28, 2011 at 1:00 PM, canduc17 <[email protected]> wrote: > Hi everyone. > > Is there a way to crop a GEOTiff image using a Mask of the same dimension? > > For example, a mask with a filled circle: every pixel inside the circle is > 1 > and the others are 0. > I would like to obtain a new GEOTiff with only the pixel inside the circle > visible and the other set to 0. > > Is that possible with tools like gdal_translate or other ones? > > Thanks in advance! > > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/Mask-and-GEOTiff-tp6312284p6312284.html > Sent from the GDAL - Dev mailing list archive at Nabble.com. > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9494447584 17.2416N 80.1426E
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