This video introduces the concept of "intervals" and "base elements" in the OpenRoads Designer Geometry tools. When clicking on an interval, the manipulators will often be grey meaning that they depend on a base element. Clicking on the base element will then give orange manipulators that can be edited..
Click the video below to play it. To view in fullscreen mode, first click the YouTube link at the bottom of the video to launch the video on the YouTube site. Then, click the fullscreen button (rightmost button at bottom of video).
Recorded in 1280 X 720 resolution.