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asierma Posted - 13/04/2014 : 14:12:10
Hi, I'm trying to convert to JXN one map in ecw format that has two calibrated points. In order to do it, I suppose I have to add the third point.
After doing it and pressing accept button I always get the error message "Linear equations system cannot be solved (Matrix determinant=0)".
Thanks in advance Gian.
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okmap Posted - 13/04/2014 : 15:22:08
Is it possible that you've put the 3 point on the same line?
Draws the three points so to form a large triangle (es top-left, top-right and bottom-right).
Check also coordinates.
3 points are better that 2 because OkMap can use affine algorithm instead of similarity; in this way will be considered skew also.

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