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Le 09/08/2010 05:52, davidafisher a écrit :
> I have a DTM (digital terrain Map) which is square, a mesh comprising of 140,000
> smooth triangles. I need to adjust the map for convergence - difference of the
> grids north to the earths true north. The adjustment would result in a rhomboid
> where the top-left corner might be rotated by, say 3 degrees from the
> bottom-left corner and the top-right corner rotated by 2 degress from the
> bottom-right corner.
>
> Does anybody have an idea on whether this can be achieved in POV-Ray?
>
>
Yes, Me! (end of first degre answer)
With a shear matrix transform.
http://www.povray.org/documentation/view/3.6.0/49/
http://www.f-lohmueller.de/pov_tut/trans/trans_450e.htm
Have a nice day.
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