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* Fix misalignment of rasters with RPC (fixes #35796) By default GDAL would assume that the imagery has zero elevation - if that is not the case, the image would not be shown in the correct location. Fortunately we can pass RPC_HEIGHT to GDAL to use given value as the fixed elevation for the whole image. We try to use HEIGHT_OFF coefficient ("Geodetic Height Offset") as an estimate for elevation (it seems that ENVI software does that as well). In the future we may want to use also RPC_DEM for an even more precise georeferencing. https://gdal.org/development/rfc/rfc22_rpc.html * Update code to use the new fuction GDALAutoCreateWarpedVRTEx() This function will be available in GDAL >= 3.2 so we have a local copy for the time being for older versions of GDAL.
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