I'm struggling with the order of the Geotransform section in a vrt file.
I would like to rotate an image, and computed the six parameters for the
affine transformation. I can transform points exactly, using the
following formula:
x2 = a.x1 + b.y1 + c
y2 = d.x1 + e.y1 + f
Can anyone tell me what the order is in the GeoTransform section of the
VRT-file?
<GeoTransform> c a b f d e </GeoTransform>
results in an image somewhere in the neighbourhood, but mirrored and
translated. What is the order of the parameters a-f?
Jan
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