ObjectVolume

The ObjectVolume program calculates the volume, area and centroid of a closed triangular mesh represented in an object file (.obj). It traverses the list of triangles that make up the surface, and creates a tetrahedron with an exterior point for each triangle. The program uses the origin (0,0,0). It then calculates the volume of the tetrahedron. Tetrahedra with triangles pointing backwards are added and those with triangles pointing forwards are subtracted to give the volume of the object.