Method WritePropCollection

IO/Export/vtkJSONSceneExporter.cxx:601–625

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

//------------------------------------------------------------------------------
void vtkJSONSceneExporter::WritePropCollection(
  vtkPropCollection* props, std::ostream& sceneComponents)
{
  vtkIdType nbProps = props->GetNumberOfItems();
  for (vtkIdType rpIdx = 0; rpIdx < nbProps; rpIdx++)
  {
    vtkProp* prop = vtkProp::SafeDownCast(props->GetItemAsObject(rpIdx));
    // Skip non-visible actors
    if (!prop || !prop->GetVisibility())
    {
      continue;
    }

    // Skip actors with no geometry
    vtkActor* actor = vtkActor::SafeDownCast(prop);
    if (actor)
    {
      vtkMapper* mapper = actor->GetMapper();

      vtkDataObject* dataObject = mapper->GetInputDataObject(0, 0);
      this->WriteDataObject(sceneComponents, dataObject, actor, nullptr, nullptr);
      this->WriteLookupTable(mapper->GetArrayName(), mapper->GetLookupTable());
    }
  }
}

//------------------------------------------------------------------------------
void vtkJSONSceneExporter::WriteVolumeCollection(