yactor.GetTextProperty().SetColor(0.0, 0.0, 0.0);
yactor.GetTextProperty().SetColor(1.0, 1.0, 1.0);
  public void createAxes() {    vtkAxes axes = new vtkAxes();    axes.SetOrigin(0, 0, 0);    axes.SetScaleFactor(axisLength);    xactor = new vtkTextActor();    yactor = new vtkTextActor();    zactor = new vtkTextActor();    xactor.SetInput("X");    yactor.SetInput("Y");    zactor.SetInput("Z");    xactor.ScaledTextOn();    yactor.ScaledTextOn();    zactor.ScaledTextOn();    xactor.GetPositionCoordinate().SetCoordinateSystemToWorld();    yactor.GetPositionCoordinate().SetCoordinateSystemToWorld();    zactor.GetPositionCoordinate().SetCoordinateSystemToWorld();    xactor.GetPositionCoordinate().SetValue(axisLength, 0.0, 0.0);    yactor.GetPositionCoordinate().SetValue(0.0, axisLength, 0.0);    zactor.GetPositionCoordinate().SetValue(0.0, 0.0, axisLength);    xactor.GetTextProperty().SetColor(0.0, 0.0, 0.0);    xactor.GetTextProperty().ShadowOn();    xactor.GetTextProperty().ItalicOn();    xactor.GetTextProperty().BoldOff();    yactor.GetTextProperty().SetColor(0.0, 0.0, 0.0);    yactor.GetTextProperty().ShadowOn();    yactor.GetTextProperty().ItalicOn();    yactor.GetTextProperty().BoldOff();    zactor.GetTextProperty().SetColor(0.0, 0.0, 0.0);    zactor.GetTextProperty().ShadowOn();    zactor.GetTextProperty().ItalicOn();    zactor.GetTextProperty().BoldOff();    xactor.SetMaximumLineHeight(0.25);    yactor.SetMaximumLineHeight(0.25);    zactor.SetMaximumLineHeight(0.25);        vtkTubeFilter tube = new vtkTubeFilter();    tube.SetInput(axes.GetOutput());    tube.SetRadius(0.05);    tube.SetNumberOfSides(8);    vtkPolyDataMapper tubeMapper = new vtkPolyDataMapper();    tubeMapper.SetInput(tube.GetOutput());    vtkActor tubeActor = new vtkActor();    tubeActor.SetMapper(tubeMapper);    tubeActor.PickableOff();    int coneRes = 12;    double coneScale = 0.3;    //--- x-Cone    vtkConeSource xcone = new vtkConeSource();    xcone.SetResolution(coneRes);    vtkPolyDataMapper xconeMapper = new vtkPolyDataMapper();    xconeMapper.SetInput(xcone.GetOutput());    vtkActor xconeActor = new vtkActor();    xconeActor.SetMapper(xconeMapper);    xconeActor.GetProperty().SetColor(1,0,0);    xconeActor.SetScale(coneScale, coneScale, coneScale);    xconeActor.SetPosition(axisLength, 0.0, 0.0);    //--- y-Cone    vtkConeSource ycone = new vtkConeSource();    ycone.SetResolution(coneRes);    vtkPolyDataMapper yconeMapper = new vtkPolyDataMapper();    yconeMapper.SetInput(ycone.GetOutput());    vtkActor yconeActor = new vtkActor();    yconeActor.SetMapper(yconeMapper);    yconeActor.GetProperty().SetColor(1,1,0);    yconeActor.RotateZ(90);    yconeActor.SetScale(coneScale, coneScale, coneScale);    yconeActor.SetPosition(0.0, axisLength, 0.0);    //--- z-Cone    vtkConeSource zcone = new vtkConeSource();    zcone.SetResolution(coneRes);    vtkPolyDataMapper zconeMapper = new vtkPolyDataMapper();    zconeMapper.SetInput(zcone.GetOutput());    vtkActor zconeActor = new vtkActor();    zconeActor.SetMapper(zconeMapper);    zconeActor.GetProperty().SetColor(0,1,0);    zconeActor.RotateY(-90);    zconeActor.SetScale(coneScale, coneScale, coneScale);    zconeActor.SetPosition(0.0, 0.0, axisLength);    ren.AddActor2D(xactor);    ren.AddActor2D(yactor);    ren.AddActor2D(zactor);      this.AddPart(tubeActor);    this.AddPart(xconeActor);    this.AddPart(yconeActor);    this.AddPart(zconeActor);    ren.AddActor(this);  }