Method ReadMaterialTypes

IO/Geometry/vtkGAMBITReader.cxx:292–343

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkGAMBITReader::ReadMaterialTypes(vtkUnstructuredGrid* output)
{
  int grp, f, flag, elt;
  char c, buf[128];

  vtkIntArray* materials = vtkIntArray::New();
  materials->SetNumberOfComponents(1);
  materials->SetNumberOfTuples(this->NumberOfCells);
  materials->SetName("Material Type");

  for (grp = 1; grp <= this->NumberOfElementGroups; grp++)
  {
    this->FileStream->get(buf, 128, '\n');
    this->FileStream->get(c);
    this->FileStream->get(buf, 128, '\n');
    this->FileStream->get(c);
    auto result = vtk::scan<int, int, int, int>(
      std::string_view(buf), "GROUP:{:d} ELEMENTS: {:d} MATERIAL: {:d} NFLAGS:{:d}");
    auto& [id, nbelts, mat, nbflags] = result->values();
    vtkDebugMacro(<< "\nid " << id << "\tnbelts " << nbelts << "\tmat " << mat << "\tnbflags "
                  << nbflags);

    this->FileStream->get(buf, 128, '\n');
    this->FileStream->get(c);
    for (f = 0; f < nbflags; f++)
    {
      *(this->FileStream) >> flag;
    }
    this->FileStream->get(c);
    for (f = 0; f < nbelts; f++)
    {
      *(this->FileStream) >> elt;
      materials->SetValue(elt - 1, mat);
    }
    this->FileStream->get(c);
    // read here the end of section
    this->FileStream->get(buf, 128, '\n');
    this->FileStream->get(c);
    if (strncmp(buf, "ENDOFSECTION", 12) != 0)
    {
      vtkErrorMacro(<< "Error reading ENDOFSECTION tag at end of group");
    }
  }
  vtkDebugMacro(<< "All groups read successfully");

  output->GetCellData()->AddArray(materials);
  if (!output->GetCellData()->GetScalars())
  {
    output->GetCellData()->SetScalars(materials);
  }
  materials->Delete();
}

//------------------------------------------------------------------------------
void vtkGAMBITReader::ReadCellConnectivity(vtkUnstructuredGrid* output)