Finding a point within in an area

I have problem finding points within an area. I have tried point in n trim and point in brep but none of them works. find point (11.7 KB)
contour.3dm (46.8 KB)

find point (12.2 KB)

find point (16.5 KB)

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great! thanks.

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Oh my gosh, the collision component is so simple!! I also have the find point problem in my project and it works for me. Thank you so much for your sharing~~~

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No worries. It is my fav little trick in Grasshopper. Sometimes it might fail. If so, change the absolute tolerance of your file.