[gdal-dev] Reading interpolated values on DSM

[Javier Jimenez Shaw]

Hi

I would like to read in QGIS or GDAL an interpolated value in a DSM (well,
actually it is a geoid model, but it is the same behaviour). See that I do
not want the pixel value, but the linear interpolation among the neighbour
pixels, assuming that the pixel value is in the center of the pixel.
For instance, this file
https://www.isgeoid.polimi.it/Geoid/Asia/Japan/japan2000_g.html

Is there any way to get it (without implementing the interpolation myself)?
If I understood correctly gdallocationinfo is not interpolating, just
giving the pixel value.

Thanks

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