Compass module

The Compass module shows a compass UI at the top of the screen that can reflect the current posture of the camera and interact with mouse/touch to modify the current views.  With field default values, the compass will look like this.

Fields 

• Configuration fields

• Input fields

• Output fields

Interaction

• Top and bottom view buttons

• Slider to change pitch

• Drag compass to change yaw

• Align to different predefined views (by clicking on world-axis or blue circle)