int main(int argc, char* argv[])
{
if (argc != 3)
{
std::cerr << "syntax: convexify <input> <output>" << std::endl;
std::cerr << std::endl;
std::cerr << "convexify takes the description of a 3D geometry from the input file (a Wavefront OBJ" << std::endl;
std::cerr << "file) and constructs a new Wavefront 3D file of the convex hull of that file." << std::endl;
return -1;
}
// read in the file
IndexedTriArray mesh = IndexedTriArray::read_from_obj(std::string(argv[1]));
// get the vertices
const std::vector<Origin3d>& vertices = mesh.get_vertices();
// compute the convex hull
PolyhedronPtr p = CompGeom::calc_convex_hull(vertices.begin(), vertices.end());
// write the resulting mesh to the output file
if (!p)
{
std::cerr << "convexify() - fatal error computing convex hull! (sorry I can't tell you more!" << std::endl;
return -1;
}
// write the file
p->get_mesh().write_to_obj(std::string(argv[2]));
}
