Esempio n. 1
0
  /**
   * Update axis display depending the current scene camera view.<br>
   * You should call it after having modified camera settings.
   */
  public void updateAxisView() {
    if (!isWindowSet()) return;

    lock();
    try {
      double pos[] = cam.GetPosition();
      double fp[] = cam.GetFocalPoint();
      double viewup[] = cam.GetViewUp();

      // mimic axis camera position to scene camera position
      axisCam.SetPosition(pos);
      axisCam.SetFocalPoint(fp);
      axisCam.SetViewUp(viewup);
      axisRenderer.ResetCamera();

      final int[] size = rw.GetSize();
      // adjust scale
      final double scale = size[1] / 512d;
      // adjust offset
      final int w = (int) (size[0] - (axisOffset[0] * scale));
      final int h = (int) (size[1] - (axisOffset[1] * scale));
      // zoom and translate
      zoomView(axisCam, axisRenderer, axisScale * (axisCam.GetDistance() / 17d));
      translateView(axisCam, axisRenderer, -w, -h);
    } finally {
      unlock();
    }
  }
Esempio n. 2
0
  public IcyVtkPanel() {
    super();

    // picker
    // picker = new vtkPropPicker();
    // picker.PickFromListOff();

    picker = new vtkCellPicker();
    picker.PickFromListOff();

    // set ambient color to white
    lgt.SetAmbientColor(1d, 1d, 1d);
    lightFollowCamera = true;

    // assign default renderer to layer 0 (should be the case by default)
    ren.SetLayer(0);

    // initialize axis
    axisRenderer = new vtkRenderer();
    // BUG: with OpenGL window the global render window viewport is limited to the last layer
    // viewport dimension
    // axisRenderer.SetViewport(0.0, 0.0, 0.2, 0.2);
    axisRenderer.SetLayer(1);
    axisRenderer.InteractiveOff();

    rw.AddRenderer(axisRenderer);
    rw.SetNumberOfLayers(2);

    axisCam = axisRenderer.GetActiveCamera();

    axis = new vtkAxesActor();
    axisRenderer.AddActor(axis);

    // default axis offset and scale
    axisOffset = new int[] {124, 124};
    axisScale = 1;

    // reset camera
    axisCam.SetViewUp(0, -1, 0);
    axisCam.Elevation(210);
    axisCam.SetParallelProjection(1);
    axisRenderer.ResetCamera();
    axisRenderer.ResetCameraClippingRange();

    // used for restore quality rendering after a given amount of time
    fineRenderingTime = 0;
    renderingMonitor = new Thread(this, "VTK panel rendering monitor");
    renderingMonitor.start();

    addMouseListener(this);
    addMouseMotionListener(this);
    addMouseWheelListener(this);
    addKeyListener(this);
  }