bool computeNormals(TriMesh mesh)
{
OpenMesh::FPropHandleT<TriMesh::Point> trueNormals;
OpenMesh::FPropHandleT<TriMesh::Point> approxNormals;
mesh.add_property(trueNormals);
mesh.add_property(approxNormals);
TriMesh::FaceIter f_it, f_end(mesh.faces_end());
double valence;
TriMesh::FaceVertexIter fv_it;
for (f_it=mesh.faces_begin(); f_it!=f_end; ++f_it)
{
mesh.property(trueNormals,f_it).vectorize(0.0f);
valence = 0;
for (fv_it=mesh.fv_iter( f_it ); fv_it; ++fv_it)
{
mesh.property(approxNormals,fv_it) += mesh.point( fv_it );
++valence;
}
mesh.property(approxNormals,f_it) /= valence;
}
return true;
} // bool computeNormals(TriMesh mesh)
bool ring::init()
{
if (!initialised)
{
mesh.add_property(epochs);
initialised = true;
++epoch;
TriMesh::VertexIter v_it, v_end(mesh.vertices_end());
for (v_it=mesh.vertices_begin(); v_it!=v_end; ++v_it)
{
mesh.property(epochs,v_it) = epoch;
}
}
// set epochs
return true;
}
