Mesh MeshManipulation::smoothLength(Mesh &mesh, int iterations)
{
std::vector<Mesh::Point> cogs;
std::vector<Mesh::Point>::iterator cog_it;
cogs.reserve(mesh.n_vertices());
Mesh::VertexIter vIt, vEnd(mesh.vertices_end());
Mesh::VertexVertexIter vvIt;
OpenMesh::Vec3f newP;
float sum;
for(int i = 0; i < iterations; i++) {
cogs.clear();
for( vIt = mesh.vertices_begin(); vIt != vEnd; ++vIt ) {
newP[0] = newP[1] = newP[2] = sum = 0.0f;
for(vvIt = mesh.vv_iter(*vIt); vvIt.is_valid(); ++vvIt) {
OpenMesh::Vec3f vec = mesh.point(*vvIt) - mesh.point(*vIt);
sum += (1.0f / vec.length());
newP += (vec / vec.length());
}
OpenMesh::Vec3f l = sum * newP;
cogs.push_back(l);
}
float lambda = 0.2f;
Mesh::VertexIter v_it, v_end(mesh.vertices_end());
for (v_it=mesh.vertices_begin(), cog_it=cogs.begin(); v_it!=v_end; ++v_it, ++cog_it){
if ( !mesh.is_boundary( *v_it ) ) {
OpenMesh::Vec3f oldP = mesh.point(*v_it);
OpenMesh::Vec3f L = *cog_it;
OpenMesh::Vec3f P = oldP + lambda * L;
mesh.set_point( *v_it, P );
}
}
}
return mesh;
}
// https://msdn.microsoft.com/en-us/library/ms182372.aspx -< Profiler
int main(int argc, char **argv)
{
//ann_test();
glutInit(&argc, argv);
ValenceViewer window("Wireframe", 512, 512);
// window.open_mesh("bunny.off");
window.open_mesh("torus(10,3,50).off");
glutMainLoop();
/*
cgal<myPoint> cg;
pointSet<myPoint> ps("pentagram.pts");
cg = ps;
cg.polyStats();
cout<<cg.inside(Point(15,0))<<endl; // yes
cout<<cg.inside(Point(15,0.5))<<endl; // yes
cout<<cg.inside(Point(1,1))<<endl; // yes
cout<<cg.inside(Point(100,100))<<endl; // no
return;
*/
// testMyPolyTriangulation();
/* LightVector<double> angles(7);
angles.fill(0);
// double lens[7] = {3, 6, 8, 10, 4, 9, 2};
double lens[7] = {10, 3, 8, 10, 4, 9, 7};
LightVector<double> edgeLengths(7, lens);
mp.init(angles, edgeLengths);
mp.list();
mp.breakDown(1.618, true); // use the golden ratio, go clockwise
mp.list();
mp.breakDown(1.618, false); // use the golden ratio, go counter-clockwise
mp.list();
mp.head->clear();
mp.head = NULL;
return; */
//tutorial1();
//tutorial2("tetrahedron.off", "tetrahedron2.off",5);
//tutorial1Hu();
// Mat3 m(1,2,3,4,4,6,7,8,9);
// Mat3 m2 = m.inverse();
// cout<<m.determinant()<<endl;
// cout<<m2;
TriMesh mesh2 = createTorus(10, 3, 50);
ring ri(mesh2);
LightVector<TriMesh::VertexHandle> vhv = ri.getRing(TriMesh::VertexHandle(0), 2);
for (unsigned int i= 0; i<vhv.size(); ++i)
{
cout<< vhv[i]<<" ";
}
OpenMesh::IO::write_mesh(mesh2, "torus.off");
mesh2.request_face_normals();
mesh2.request_vertex_normals();
mesh2.update_normals();
TriMesh::VertexHandle vh = TriMesh::VertexHandle(5);
TriMesh::VertexFaceIter vfi = mesh2.vf_iter(vh);
int cc=0;
OpenMesh::Vec3f norm (0, 0, 0), normv;
while (vfi)
{
cout<<"+"<<vfi.handle()<<endl;
norm += mesh2.normal(*vfi);
++cc;
++vfi;
}
double len = norm.length();
if (len != 0)
{
norm *= 1/len;
}
normv = mesh2.normal(vh);
meshVolume(mesh2);
return 0;
TriMesh mesh;
//mesh = createSphere(2.0f,4); OpenMesh::IO::write_mesh(mesh, "tetraSphere.off");
//mesh = createTetra(2); OpenMesh::IO::write_mesh(mesh, "tetra.off"); readmesh(mesh, "tetra.off");
// readmesh(mesh, "sphereholes.off");
readmesh(mesh, "lyukas.off");
// suboptimal, add normals to all faces while we need it only for the 1-ring around the hole
if ( ! mesh.has_face_normals())
mesh.request_face_normals();
// mesh.update_normals();
holeFiller hf(mesh);
hf.findHoles();
hf.displayHoles();
// hf.fill(0);
// Az emberkeben, i.e. readmesh(mesh, "lyukas.off");
// hf.fill(0); // hat
// hf.fill(1); // has
hf.fill(2); // fej
// printOff(mesh, holes[2]);
mesh.release_face_normals(); // always release after request
// closeHole(mesh, holes[1]);
// closeHole(mesh, holes[0]);
// closeHole(mesh, holes[2]);
/* mesh.request_face_normals();
if (mesh.has_vertex_normals() ) mesh.update_vertex_normals();
for (; v_it!=v_end; ++v_it)
this->set_normal(v_it.handle(), calc_vertex_normal(v_it.handle()));
*/
/* readmesh(mesh, "icosahedron.off");
OpenMesh::Vec3f P(-2,0.2,2);
OpenMesh::FaceHandle fh = faceClosestToPoint(mesh,P);
cout<<fh.idx();
extendMesh(mesh, fh, P, true);
OpenMesh::IO::write_mesh(mesh, "ico--.off");
*/
//cout<<"Volume = "<<meshVolume(mesh)<<endl;
// OpenMesh::IO::write_mesh(mesh, "spherevolt.off");
OpenMesh::IO::write_mesh(mesh, "lyukasvolt.off");
} // void main()