Does MATLAB duplicate data when using DelaunayTri, TriRep, etc?

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AJP
AJP 2011-6-12
Say I want to mesh some (x,y) points.
If I use delaunay() then I just get one new piece of data, the triangulation, tri.
However, if I use DelaunayTri, I'll get a structure containing the points and the triangulation.
Does this mean the points have been duplicated in memory? Isn't this a bit wasteful especially if you have a large set of x,y?
Similarly say I have x,y,tri already and want to use some of the TriRep methods. If I use TriRep() does this duplicate the points AND the triangulation?

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回答（1 个）

Wajahat
Wajahat 2012-4-12
Hi
By duplication if you mean a new structure created by TriRep will be having the a copy of the input besides the new triangulation data, yes it does.
Best Regards
Wajahat

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