Method LoadDataSet

Rendering/VolumeOpenGL2/vtkMultiBlockVolumeMapper.cxx:208–234

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//------------------------------------------------------------------------------
void vtkMultiBlockVolumeMapper::LoadDataSet(vtkRenderer* ren, vtkVolume* vol)
{
  this->ClearMappers();

  auto input = this->GetDataObjectInput();
  if (auto inputTree = vtkDataObjectTree::SafeDownCast(input))
  {
    this->CreateMappers(inputTree, ren, vol);
  }
  else if (auto inputImage = vtkImageData::SafeDownCast(input))
  {
    vtkSmartVolumeMapper* mapper = this->CreateMapper();
    mapper->SetInputData(inputImage);
    this->Mappers.push_back(mapper);
  }
  else if (auto inputRectGrid = vtkRectilinearGrid::SafeDownCast(input))
  {
    vtkSmartVolumeMapper* mapper = this->CreateMapper();
    mapper->SetInputData(inputRectGrid);
    this->Mappers.push_back(mapper);
  }
  else
  {
    vtkErrorMacro(
      "Cannot handle input of type '" << (input ? input->GetClassName() : "(nullptr)") << "'.");
  }
}

//------------------------------------------------------------------------------
void vtkMultiBlockVolumeMapper::CreateMappers(