[gdal-dev] gdalbuildvrt Max Value / Pixel Function

[Abdul Raheem Siddiqui]

Hello,

I am looking for functionality to create a VRT of multiple rasters where
the VRT pixel value is the maximum of underlying rasters pixel values.

I found out that we have pixel functions
https://lists.osgeo.org/pipermail/gdal-dev/2016-September/045134.html that
we can add to VRTs to get this behavior but just checking to see if there
is a direct way to specify this in gdalbuildvrt command line call or do one
has to manually inject this in VRT xml.

On the same note does the new gdaltileindex provide this functionality of
selecting the max value for each pixel out of the box?

Regards,
Abdul Raheem Siddiqui
ERT Inc.
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