[Gdal-dev] AVHRR NOAA level 1b

[Juan Carlos Castaneda]

Dear list,

I'm trying to use GDAL to geocode AVHRR level 1b images. It's not giving 
me good results. I went to the archives and Google to find what's 
happening and I read that the algorithm to geocode is not the best for 
these type of image. From the documentation:
"that GDAL simple affine georeference model completely unsuitable for 
the NOAA data. So you should not rely on it. It is recommended to use 
the thin plate spline warper (tps). Automatic image rectification can be 
done with ground control points (GCPs) from the input file. NOAA stores 
51 GCPs per scanline both in the LAC and GAC datasets."

Any suggestions how to do the "thin plate spline warper (tps)" for these 
images? Can it be done with GDAL?

Thank you

Juan C. Castaneda