Method WriteDataObject

IO/Export/vtkJSONSceneExporter.cxx:86–216

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//------------------------------------------------------------------------------
void vtkJSONSceneExporter::WriteDataObject(
  ostream& os, vtkDataObject* dataObject, vtkActor* actor, vtkVolume* volume, const char* name)
{
  // Skip if nothing to process
  if (dataObject == nullptr)
  {
    return;
  }

  // Handle Dataset
  if (dataObject->IsA("vtkDataSet"))
  {
    std::string texturesString;
    std::string renderingSetup;

    if (actor)
    {
      if (this->WriteTextures && actor->GetTexture())
      {
        // Write out the textures, add it to the textures string
        texturesString += this->WriteTexture(actor->GetTexture());
      }

      if (this->WriteTextureLODs && actor->GetTexture())
      {
        // Write out the texture LODs, add it to the textures string
        texturesString += this->WriteTextureLODSeries(actor->GetTexture());
      }
      renderingSetup = this->ExtractActorRenderingSetup(actor);
    }
    else if (volume)
    {
      renderingSetup = this->ExtractVolumeRenderingSetup(volume);
    }
    std::string addOnMeta = renderingSetup + texturesString + "\n";
    std::string dsMeta =
      this->WriteDataSet(vtkDataSet::SafeDownCast(dataObject), addOnMeta.c_str(), name);
    if (!dsMeta.empty())
    {
      os << dsMeta;
    }
    return;
  }

  // Handle composite
  if (dataObject->IsA("vtkCompositeDataSet"))
  {
    vtkCompositeDataSet* composite = vtkCompositeDataSet::SafeDownCast(dataObject);
    vtkSmartPointer<vtkCompositeDataIterator> iter;
    iter.TakeReference(composite->NewIterator());
    iter->SkipEmptyNodesOn();
    iter->InitTraversal();
    while (!iter->IsDoneWithTraversal())
    {
      this->WriteDataObject(os, iter->GetCurrentDataObject(), actor, volume, name);
      iter->GoToNextItem();
    }