[vtkusers] insphere radius of a tetrahedron

[Rupen Melkisetoglu]

Hi everybody,
 
I would like to calculate the insphere radius of a tetrahedron...I used Circumsphere() function for the outer radius...
 
How can I compute easily the inner sphere radius of a tetrahedron in VTK or mathematically using VTK....
 
I would be greatful if you help me.....
 
Thanks....
 
Rupi
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