Select all points inside a polygon to create a new matrix
8 views (last 30 days)
Show older comments
Hi, I have a point cloud matrix x,y and I want to create a new matrix with all the points that are inside a polygon to create a new matrix with all the points that are inside a polygon.
Thank you in advance, Martha
0 Comments
Accepted Answer
Walter Roberson
on 31 Mar 2014
Find the convex hull, and then you can use the vertices in poly2mask()
If you want the hull to be non-convex (e.g., to follow the points of a "star") then you have more difficulty in defining "inside".
More Answers (1)
See Also
Categories
Find more on Elementary Polygons in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!