Method Render

Rendering/RayTracing/vtkOSPRayPolyDataMapperNode.cxx:1334–1378

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//------------------------------------------------------------------------------
void vtkOSPRayPolyDataMapperNode::Render(bool prepass)
{
  if (prepass)
  {
    // we use a lot of params from our parent
    vtkOSPRayActorNode* aNode = vtkOSPRayActorNode::SafeDownCast(this->Parent);
    vtkActor* act = vtkActor::SafeDownCast(aNode->GetRenderable());

    if (act->GetVisibility() == false)
    {
      return;
    }

    vtkOSPRayRendererNode* orn =
      static_cast<vtkOSPRayRendererNode*>(this->GetFirstAncestorOfType("vtkOSPRayRendererNode"));

    // if there are no changes, just reuse last result
    vtkMTimeType inTime = aNode->GetMTime();
    if (this->RenderTime >= inTime)
    {
      this->RenderGeometricModels();
      return;
    }
    this->RenderTime = inTime;
    this->ClearGeometricModels();

    vtkPolyData* poly = nullptr;
    vtkPolyDataMapper* mapper = vtkPolyDataMapper::SafeDownCast(act->GetMapper());
    if (mapper && mapper->GetNumberOfInputPorts() > 0)
    {
      poly = mapper->GetInput();
    }
    if (poly)
    {
      vtkProperty* property = act->GetProperty();
      double ambient[3];
      double diffuse[3];
      property->GetAmbientColor(ambient);
      property->GetDiffuseColor(diffuse);
      this->ORenderPoly(
        orn->GetORenderer(), aNode, poly, ambient, diffuse, property->GetOpacity(), "");
    }
    this->RenderGeometricModels();
  }
}

//----------------------------------------------------------------------------
void vtkOSPRayPolyDataMapperNode::RenderGeometricModels()