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Output not volume but surface using delaunayTriangulation

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Mamoru Takahashi
Mamoru Takahashi 2022-9-12
回答： Walter Roberson 2022-9-12
I would like to truangulate my data nodes.
This can be done by combination of delaunay and triangulation commands,
as demonstrated in the trisurf documentation, https://jp.mathworks.com/help/matlab/ref/trisurf.html
However, I have to ADD and DELETE the nodes and subsequently update the triangulation,
which is the key feature of the delaunaytriangulation command.
As known, delaunaytriangulation outputs tetrahedra connections for 3d data.
I would like to obtain the triangulation of the surface.
Now, I am lokking for any ideas.
Exactry the same question has been already given,
but this has been unsolved.
https://jp.mathworks.com/matlabcentral/answers/312471-3d-surface-with-boundary-using-delaunaytriangulation

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Walter Roberson
Walter Roberson 2022-9-12
That kind of triangulation will never work for your kind of data.
I suggest that you use boundary() and adjust the alpha parameter.

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