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Topic: A closed surface from 3D data point
Replies: 4   Last Post: Jan 16, 2011 9:09 PM

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Alan

Posts: 151
Registered: 7/24/09
Re: A closed surface from 3D data point
Posted: Jan 14, 2011 12:42 PM
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"matt dash" wrote in message <igq0k5$im3$1@fred.mathworks.com>...
> "Tran Toan" <trantoan2008@nate.com> wrote in message <igpl0s$me0$1@fred.mathworks.com>...
> > Hi everyone,
> >
> > Can anyone help me to solve my problem? I have 3D data point as [x,y,z] matrix which show a geometry in 3D such as cube, sphere, any complex geometry...I want to show this geometry as closed surface, but unfortunately, 3D visualization in Matlab such as mesh, surfc... can not do it.
> > So, anybody help me to do above problem.
> > Thank you in advance.

>
> You might find something here that does what you need:
> http://www.advancedmcode.org/


The simplest real solution is the convex hull, convhulln() in Matlab. This probably won't give you any "complex geometry", depending on what you mean by that.



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