meshset_to_vtk.cpp

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/** \file meshset_to_vtk.cpp
 * \example meshset_to_vtk.cpp
 * \brief Print all meshset to VTK file
 * 
*/
 
 
 
#include <MoFEM.hpp>
using namespace MoFEM;
 
static char help[] = "...\n\n";
 
int main(int argc, char *argv[]) {
 
  MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
 
  try {
 
    // global variables
    char mesh_file_name[255];
    PetscBool flg_file = PETSC_FALSE;
 
    ierr = PetscOptionsBegin(PETSC_COMM_WORLD, "", "none", "none");
    CHKERRQ(ierr);
 
    CHKERR PetscOptionsString("-my_file", "mesh file name", "", "mesh.h5m",
                              mesh_file_name, 255, &flg_file);
 
    ierr = PetscOptionsEnd();
    CHKERRQ(ierr);
 
    moab::Core mb_instance;
    moab::Interface &moab = mb_instance;
    ParallelComm *pcomm = ParallelComm::get_pcomm(&moab, MYPCOMM_INDEX);
    if (pcomm == NULL)
      pcomm = new ParallelComm(&moab, PETSC_COMM_WORLD);
 
    const char *option;
    option = "";
    CHKERR moab.load_file(mesh_file_name, 0, option);
 
    // Create MoFEM  database
    MoFEM::Core core(moab);
    MoFEM::Interface &m_field = core;
 
    if (flg_file != PETSC_TRUE) {
      SETERRQ(PETSC_COMM_SELF, 1, "*** ERROR -my_file (MESH FILE NEEDED)");
    }
 
    MeshsetsManager *meshsets_manager;
    CHKERR m_field.getInterface(meshsets_manager);
    CHKERR meshsets_manager->setMeshsetFromFile();
 
    const CubitBCType mask = CubitBCType(BLOCKSET | SIDESET | NODESET);
 
    for (auto &cit : meshsets_manager->getMeshsetsMultindex()) {
 
      std::string type = "_";
      if((cit.getBcType() & CubitBCType(BLOCKSET)).any())
        type += "BLOCKSET_";
      if((cit.getBcType() & CubitBCType(SIDESET)).any())
        type += "SIDESET_";
      if((cit.getBcType() & CubitBCType(NODESET)).any())
        type += "NODESET_";
 
      std::string name = "meshset" + type +
                         boost::lexical_cast<std::string>(cit.getMeshsetId()) +
                         ".vtk";
      std::cout << "Writting file: " << name << endl;
 
      CHKERR meshsets_manager->saveMeshsetToFile(
          cit.getMeshsetId(), (cit.getBcType() & mask).to_ulong(), name);
    }
  }
  CATCH_ERRORS;
 
  MoFEM::Core::Finalize();
  CHKERRQ(ierr);
 
  return 0;
}