SMDS_UnstructuredGrid* grid = mesh->getGrid();
//double center[3];
//this->gravityCenter(grid, &nodeIds[0], nodeIds.size(), ¢er[0]);
SMDS_UnstructuredGrid* grid = mesh->getGrid();
//double center[3];
//this->gravityCenter(grid, &nodeIds[0], nodeIds.size(), ¢er[0]);