Volume Enclosed by a Triangulated Surface
August 11, 2009 by Luigi Giaccari
Filed under: CAD, Computational Geometry, Geometry
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Filed under: CAD, Computational Geometry, Geometry
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Gets the Volume enclosed by the surface defined by p,t,tnorm. The surface must be closed and manifold, there is no check for this.
The algorithm compute the volume of 3 tetraedrons for each triangle. The normals orientation define the sign of volume, it is just a numerical integration.
Input:
- p: nx3 array containing 3D set of points
- t: triangles ids referring to p array. First point flagged as one.
- tnorm: outwards triangles normals orientation
Output:
- V: the Volume enclosed by the surface
For bugs,infos: giaccariluigi@msn.com
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