Method Initialize

visualization/src/interactor_style.cpp:78–122

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void
pcl::visualization::PCLVisualizerInteractorStyle::Initialize ()
{
  modifier_ = pcl::visualization::INTERACTOR_KB_MOD_ALT;
  // Set windows size (width, height) to unknown (-1)
  win_height_ = win_width_ = -1;
  win_pos_x_ = win_pos_y_ = 0;
  max_win_height_ = max_win_width_ = -1;

  // Grid is disabled by default
  grid_enabled_ = false;
  grid_actor_ = vtkSmartPointer<vtkLegendScaleActor>::New ();

  // LUT is disabled by default
  lut_enabled_ = false;
  lut_actor_ = vtkSmartPointer<vtkScalarBarActor>::New ();
  lut_actor_->SetTitle ("");
  lut_actor_->SetOrientationToHorizontal ();
  lut_actor_->SetPosition (0.05, 0.01);
  lut_actor_->SetWidth (0.9);
  lut_actor_->SetHeight (0.1);
  lut_actor_->SetNumberOfLabels (lut_actor_->GetNumberOfLabels () * 2);
  vtkSmartPointer<vtkTextProperty> prop = lut_actor_->GetLabelTextProperty ();
  prop->SetFontSize (10);
  lut_actor_->SetLabelTextProperty (prop);
  lut_actor_->SetTitleTextProperty (prop);

  // Create the image filter and PNG writer objects
  wif_ = vtkSmartPointer<vtkWindowToImageFilter>::New ();
  wif_->ReadFrontBufferOff ();
  snapshot_writer_ = vtkSmartPointer<vtkPNGWriter>::New ();
  snapshot_writer_->SetInputConnection (wif_->GetOutputPort ());

  init_ = true;

  stereo_anaglyph_mask_default_ = true;

  // Start in orient mode
  Superclass::CurrentMode = ORIENT_MODE;

  // Add our own mouse callback before any user callback. Used for accurate point picking.
  mouse_callback_ = vtkSmartPointer<pcl::visualization::PointPickingCallback>::New ();
  AddObserver (vtkCommand::LeftButtonPressEvent, mouse_callback_);
  AddObserver (vtkCommand::LeftButtonReleaseEvent, mouse_callback_);
}

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void