[gdal-dev] How can I found gcp error in gdalwarp?

OHTSUKA Ko-hei kochizufan at gmail.com
Tue Dec 15 02:16:41 PST 2015


I use gdalwarp for georeferencing.

I run gdalwarp with many gcps, then warning says:
"There is a problem to invert the interpolation matrix"

I think some errors may exist in gcps, but I don't know how to find where
it is.

Are there any simple way to find errors in gcps?

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