World Ruler
The world ruler reports the straight line distance between two points in a scenario. The distance is measured in Halo world units.
To use the world ruler
1. In the Hierarchy pane, click the Mission folder, the Structure Data folder, and then World Ruler.
2. To place the first measurement marker (red), click in the Game Window.
3. To place the second measurement marker (green), right-click in the Game Window. The distance between the two markers is displayed above the red marker.
4. To take a new measurement, reposition the markers by clicking and right-clicking them in the Game Window.