# OrientationMarkerWidget

VTKExamples/Python/Widgets/OrientationMarkerWidget

### Description

Draws two cubes. One of them can be clicked to be rotated, and will rotate the second one. The second one has annotations on it, and can also be moved.

### Code

OrientationMarkerWidget.py

    # Contributed by Eric E Monson

    import vtk

    # create a rendering window and renderer
    ren = vtk.vtkRenderer()
    renWin = vtk.vtkRenderWindow()
    renWin.AddRenderer(ren)

    # create a renderwindowinteractor
    iren = vtk.vtkRenderWindowInteractor()
    iren.SetRenderWindow(renWin)

    cube = vtk.vtkCubeSource()
    cube.SetXLength(200)
    cube.SetYLength(200)
    cube.SetZLength(200)
    cube.Update()
    cm = vtk.vtkPolyDataMapper()
    cm.SetInputConnection(cube.GetOutputPort())
    ca = vtk.vtkActor()
    ca.SetMapper(cm)

    # assign actor to the renderer
    ren.AddActor(ca)

    axesActor = vtk.vtkAnnotatedCubeActor();
    axesActor.SetXPlusFaceText('R')
    axesActor.SetXMinusFaceText('L')
    axesActor.SetYMinusFaceText('H')
    axesActor.SetYPlusFaceText('F')
    axesActor.SetZMinusFaceText('P')
    axesActor.SetZPlusFaceText('A')
    axesActor.GetTextEdgesProperty().SetColor(1,1,0)
    axesActor.GetTextEdgesProperty().SetLineWidth(2)
    axesActor.GetCubeProperty().SetColor(0,0,1)
    axes = vtk.vtkOrientationMarkerWidget()
    axes.SetOrientationMarker(axesActor)
    axes.SetInteractor(iren)
    axes.EnabledOn()
    axes.InteractiveOn()
    ren.ResetCamera()

    # enable user interface interactor
    iren.Initialize()
    renWin.Render()
    iren.Start()