So after reviewing gdal_rpc.cpp, I set my transformation error threshold to 0
(gdalwarp -et option), which certainly slows things down, but eliminates all of
the mapping errors I described in my post. Not sure how I missed that option
in the first place, but I'm glad that it was a simple fix.
Hi all,
I'm having some trouble with artifacts in the output from gdalwarp when using
RPCs and a DEM for orthorectification. The artifacts appear as rows or blocks
of rows that repeat swaths of pixels from nearby rows, with variable horizontal
extent (often spanning >1000 samples). They are no
