Method Initialize

Examples/Emscripten/Cxx/GeometryViewer/GeometryViewer.cxx:447–486

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//------------------------------------------------------------------------------
void GeometryViewer::Initialize()
{
  std::cout << __func__ << std::endl;
  this->P->Renderer->GradientBackgroundOn();
  this->P->Renderer->SetGradientMode(
    vtkRenderer::GradientModes::VTK_GRADIENT_RADIAL_VIEWPORT_FARTHEST_CORNER);
  // initialize picker data
  this->P->HighlighterData.Renderer = this->P->Renderer;
  // create the default renderer
  this->P->Window->AddRenderer(this->P->Renderer);
  this->P->Window->SetInteractor(this->P->Interactor);
  auto iren = vtkWebAssemblyRenderWindowInteractor::SafeDownCast(this->P->Interactor);
  iren->SetCanvasSelector("#vtk-3d-canvas");
  if (auto wasmWebGPURenderWindow = vtkWebAssemblyWebGPURenderWindow::SafeDownCast(this->P->Window))
  {
    wasmWebGPURenderWindow->SetCanvasSelector("#vtk-3d-canvas");
  }
  if (auto wasmOpenGLRenderWindow = vtkWebAssemblyOpenGLRenderWindow::SafeDownCast(this->P->Window))
  {
    wasmOpenGLRenderWindow->SetCanvasSelector("#vtk-3d-canvas");
  }
  // turn on camera manipulator
  // this->P->CameraManipulator->SetParentRenderer(this->P->Renderer);
  // this->P->CameraManipulator->SetAnimate(false);
  // vtkCameraOrientationRepresentation::SafeDownCast(
  //     this->P->CameraManipulator->GetRepresentation())
  //     ->AnchorToLowerLeft();
  // this->P->CameraManipulator->On();
  // do not simulate infinite loop.
  vtkRenderWindowInteractor::InteractorManagesTheEventLoop = false;
  // set the current style to TrackBallCamera. Default is joystick
  if (auto iStyle = vtkInteractorStyle::SafeDownCast(this->P->Interactor->GetInteractorStyle()))
  {
    if (auto switchStyle = vtkInteractorStyleSwitch::SafeDownCast(iStyle))
    {
      switchStyle->SetCurrentStyleToTrackballCamera();
    }
  }
  this->SetMouseWheelMotionFactor(0.15);
}

//------------------------------------------------------------------------------
void GeometryViewer::Render()