Add Straight/Right/Turn Round
Function Description: Straight/turn right/U-turn arrows indicate that the current lane allows going straight, right- turn and U-turn. This tool is used to manually click on the point cloud to vectorize the straight/turn right/U-turn arrows.
Steps
1.Click the Add Straight/Right/Turn Round 
button in the Road Surface panel.
- The key points in the arrow icons need to be aligned with the actual point cloud.
- The red point is the first key point and the green point is the second key point.
2.Left mouse click to select the point cloud key points, the details are as follows, the icon of first key point.
First key point
Second key point
Straight/turn right/U-turn arrow drawing