inpolygon equivalent function in 3D?

2012 5 4
3 个回答
23 次查看（30 天）

2 个投票

Hi,
I need to find a way to determine if a large number of points are inside a closed polygon expressed by either a triangular or quadrilateral mesh in 3D. I know in 2D, there's a matlab function "inpolygon". Is there an equivalent method/function in 3D?
Thanks!

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回答（3 个）

Pinpress
Pinpress 2012-5-7

2 个投票

Thanks for the tip. However, I don't think that's a good solution. I believe it tries to generate a convex hull using delaunayn. However, the closed surface I have is not necessarily a convex hull (arbitrary shape).
Johannes Korsawe
Johannes Korsawe 2013-9-19

0 个投票

Try intriangulation on the FEX.
Regards, Johannes

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Pinpress
Pinpress
2012-5-4

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