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Intersection between two 3D flat polygon

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HSO
HSO 2013-5-27
评论： Matt J 2017-12-22
Hello, I Just trying to compute the result polygon on the intersection of two 3D flat convex polygons defined by their vertices.
They are in the same plane, but this one is in 3D coordinates, and i need to compute the resulting 3d points the define the intersection between the two.
lets say polygon 1 is defines by n vertices(x,y,z) and polygon 2 also, result the points that define the new intersected polygon.
Thanks

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Matt J
Matt J 2013-5-27
编辑：Matt J 2013-5-27
You can use this
http://www.mathworks.com/matlabcentral/fileexchange/30892-representing-polyhedral-convex-hulls-by-vertices-or-inequalities
If V1 and V2 are the two sets of vertices
[A1,b1,Aeq1,beq1]=vert2lcon(V1);
[A2,b2]=vert2lcon(V2);
V_intersection=lcon2vert([A1;A2],[b1;b2],Aeq1,beq1),
  1 个评论
Matt J
Matt J 2017-12-22
The same FEX package now contains a function to do this more simply:
I=intersectionHull('vert',V1,'vert',V2);

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