C++ (Cpp) BMESHptr::changed Examples

Example #1

File: reverse.cpp Project: QuLogic/jot-lib

int 
main(int argc, char *argv[])
{
   // See note above about -c option:
   bool do_components = false;
   if (argc == 2 && string(argv[1]) == string("-c")) {
      do_components = true;
   } else if (argc != 1) {
      err_msg("Usage: %s [ -c ] < input.sm > output.sm", argv[0]);
      return 1;
   }

   BMESHptr mesh = BMESH::read_jot_stream(cin);
   if (!mesh || mesh->empty())
      return 1; // didn't work

   if (do_components) {
      // Reverse separate components as needed:
      bool changed = false;
      vector<Bface_list> components = mesh->get_components();
      for (auto & component : components) {
         if (component.volume() < 0) {
            err_msg("reversing component: %d faces", component.size());
            reverse_faces(component);
            changed = true;
         }
      }
      if (changed) {
         mesh->changed();
      } else {
         err_msg("%s: nothing changed", argv[0]);
      }
   } else {
      // Do the whole thing
      mesh->reverse();
   }

   mesh->write_stream(cout);

   return 0;
}