17.12.2015, 09:32, Gane R kirjoitti:
How a geotransform values are calulated.
That depends on what you got. If you have a list of points in map
coordinates and the same points in pixels then they can be computed with
linear regression. I believe gdalwarper does it for example. You can do
it yourself too with various tools.
Otherwise you just use whatever metainformation you have and do the math.
It is not clear in your question whether you want to do the calculation
or are you asking how GDAL/some other software calculates the geotransform.
Best regards,
Ari
Any references will be of greate help
Thanks
Gane
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