On 07/06/11 22:26, mett wrote:
Hello,
thank you very much for your reply. For example:
Upper Left = (*258321.25943477*, 655225.28062628)
Lower Left = (*258321.25943477*, 574605.28062628)
here the X value is the same (258321.25943477), so, I would aspect that also
the conversion is the same related to the X value (in fact is a rectangular
image). But I got different value:
Abs: *24.39163021771631*, 66.2996405709653
Abs: *24.24282066963955*, 65.5792295908428

As you can see, I got 24.3916 in the first case and 24.242 in the second
case. Why?!


Probably because your projection is not cylindrical. What projection are you using ?

Jean-Claude
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