crop xyz map

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Eric
Eric 2012-2-1
I have a topographic map in xyz format (x,y,elevation). I'm wondering if there exists a function that returns the points inside a given closed polygon.
Input would be at least 3 pts and output would be points inside this polygon.
THank you very much,
Eric

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回答（1 个）

Image Analyst
Image Analyst 2012-2-1
Yes, there is. Try inpolygon().
  1 个评论
Eric
Eric 2012-2-2
cool exactly what I was looking for!

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