[gdal-dev] gdalbuildvrt cannot specify srcnodata for multiple bands

Jon Morris Jon.Morris at jbarisk.com
Fri Sep 25 09:34:52 PDT 2020

I'm trying to build a vrt and specify multiple source nodata values. It's the same problem with both gdalbuildvrt on the commandline and calling gdal.BuildVRTOptions programmatically. Looking at the doc and at the code, it seems that the srcNodata value needs to be a string of space separated values, e.g. "1 2 3". When I examine the created VRT, the nodata value for each band is 1. It's taken the first value and ignored the other two.

Am I doing this right? I'm still using GDAL 2.2.0, so apologies if this has been fixed in a more recent version.



Jon Morris
Software Developer

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