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From: Golam Kibria Chowdhury on 11 Jun 2010 18:41
I'd like to create a rectangular mesh of a sphere, and a tetrahedral mesh sphere. how to do it?

I will use it for presentation.

Additional info: 3D regular mesh is used for Finite difference time domain computation, tetrahedra mesh is used for finite element method.

Thanks.
From: Walter Roberson on 11 Jun 2010 21:53
Golam Kibria Chowdhury wrote:
> I'd like to create a rectangular mesh of a sphere, and a tetrahedral
> mesh sphere. how to do it?

The only way to fit a rectangular mesh to a sphere would be to use
infinitely small rectangles -- unless, that is, you are willing to
specify a tolerance of uncovered area and indicate whether that is a
_total_ area uncovered or the acceptable uncovered gap at any one location.
From: Bruno Luong on 12 Jun 2010 03:03
"Golam Kibria Chowdhury" <kibria100(a)yahoo.com> wrote in message <huue2e$ro2$1(a)fred.mathworks.com>...
> I'd like to create a rectangular mesh of a sphere, and a tetrahedral mesh sphere. how to do it?
>
> I will use it for presentation.
>
> Additional info: 3D regular mesh is used for Finite difference time domain computation, tetrahedra mesh is used for finite element method.

quadrilateral mesh

http://www.mathworks.com/matlabcentral/fileexchange/25027-cubed-sphere
http://www.mathworks.com/matlabcentral/fileexchange/25048-plot-earth

Bruno
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