crop xyz map

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

Answer 1

[Image Analyst]

Yes, there is. Try inpolygon().

[Eric]

cool exactly what I was looking for!