feat(graphics): add adaptor to show the patient orientation in Ogre scenes
Description
- Add a new SOrientationMarker Ogre adaptor service, that allows to display a mesh showing the orientation of the scene at the bottom right of the screen (equivalent to the VTK SOrientationMarker)
- Use SOrientationMarker service in OgreViewer
Closes #647 (closed)
How to test it?
- Build and launch OgreViewer
- Check the bottom right of the screen for the orientation marker
- Check that it is displayed correctly
- Check that it moves when the camera position is changed in the main 3D scene
- Check the correct orientation when loading a CT