I need a tool to add images together and I also need a tool to rescale the
values of an image. So I have this idea of a tool that can add images together,
where each may have its own weight. For example:
gdal_muladd.py -o result_file *2.2 file1 *-1 file2 file3
would multiply the values of file with 2.2 and add them with -1 times the
values of file2 etc.
I have something (based on gdal_merge.py) that seems to work, but still needs
some work to handle no_data.
Is there any interest to add this to the gdal collection of tools?
Regards,
Peder Axensten
Research engineer
Swedish University of Agricultural Sciences
Forest Resource Management
Remote Sensing Laboratory
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