Method RenderOverlay

Rendering/Annotation/vtkParallelCoordinatesActor.cxx:161–186

------------------------------------------------------------------------------ Plot scalar data for each input dataset.

//------------------------------------------------------------------------------
// Plot scalar data for each input dataset.
int vtkParallelCoordinatesActor::RenderOverlay(vtkViewport* viewport)
{
  int renderedSomething = 0;

  // Make sure input is up to date.
  if (this->GetInput() == nullptr || this->N <= 0)
  {
    vtkErrorMacro(<< "Nothing to plot!");
    return 0;
  }

  if (this->Title != nullptr)
  {
    renderedSomething += this->TitleActor->RenderOverlay(viewport);
  }

  this->PlotActor->SetProperty(this->GetProperty());
  renderedSomething += this->PlotActor->RenderOverlay(viewport);

  for (int i = 0; i < this->N; i++)
  {
    renderedSomething += this->Axes[i]->RenderOverlay(viewport);
  }

  return renderedSomething;
}

//------------------------------------------------------------------------------
int vtkParallelCoordinatesActor::RenderOpaqueGeometry(vtkViewport* viewport)