Method WriteTensorData

IO/Legacy/vtkDataWriter.cxx:1753–1792

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//------------------------------------------------------------------------------
int vtkDataWriter::WriteTensorData(ostream* fp, vtkDataArray* tensors, vtkIdType num)
{
  char* tensorsName;
  // Buffer size is size of array name times four because
  // in theory there could be array name consisting of only
  // weird symbols.
  if (!this->TensorsName)
  {
    if (tensors->GetName() && strlen(tensors->GetName()))
    {
      tensorsName = new char[strlen(tensors->GetName()) * 4 + 1];
      this->EncodeString(tensorsName, tensors->GetName());
    }
    else
    {
      tensorsName = new char[strlen("tensors") + 1];
      strcpy(tensorsName, "tensors");
    }
  }
  else
  {
    tensorsName = new char[strlen(this->TensorsName) * 4 + 1];
    this->EncodeString(tensorsName, this->TensorsName);
  }

  *fp << "TENSORS";
  int numComp = 9;
  if (tensors->GetNumberOfComponents() == 6)
  {
    *fp << "6";
    numComp = 6;
  }
  *fp << " ";
  char format[1024];
  auto result = vtk::format_to_n(format, sizeof(format), "{:s} {:s}\n", tensorsName, "{:s}");
  *result.out = '\0';
  delete[] tensorsName;

  return this->WriteArray(fp, tensors->GetDataType(), tensors, format, num, numComp);
}

//------------------------------------------------------------------------------
int vtkDataWriter::WriteGlobalIdData(ostream* fp, vtkDataArray* globalIds, vtkIdType num)