Method WriteNormalData

IO/Legacy/vtkDataWriter.cxx:1680–1712

}

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

  *fp << "NORMALS ";
  char format[1024];
  auto result = vtk::format_to_n(format, sizeof(format), "{:s} {:s}\n", normalsName, "{:s}");
  *result.out = '\0';
  delete[] normalsName;

  return this->WriteArray(fp, normals->GetDataType(), normals, format, num, 3);
}

//------------------------------------------------------------------------------
int vtkDataWriter::WriteTCoordData(ostream* fp, vtkDataArray* tcoords, vtkIdType num)