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How can I create a triangulated sphere using 'isosurface' function of MATLAB

Asked by Samuel Pedro on 2 Apr 2013

down vote favorite How can I create a Triangulated sphere with faces of triangles with the same area each one.

I want something like this,

http://imageshack.us/a/img198/5041/71183923.png

and I searched and I saw I could use the function isosurfaceof MATLAB, but the triangles are not equal and the are essestially squares divided in two with the square diagonal.

here's my code:

>> [X,Y,Z] = meshgrid(-10:10,-10:10,-10:10);
>> V = sqrt(X.^2+Y.^2+Z.^2);
>> fv = isosurface(X,Y,Z,V)
>> p = patch(fv);
>> set(p,'EdgeColor','g')

and the result is below:

http://imageshack.us/a/img818/7125/72103297.png

1 Comment

Omid Adljuy on 5 Apr 2013

The area of a triangle depends on the 3 points of it. So if your data points are not uniformly distributed, then you shall not expect triangles of the same size.

Samuel  Pedro

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