Add Straight/Left
Function Description: The straight/turn left arrow indicates that the current lane can turn left or go straight. This tool is used to manually click on the point cloud to vectorize the straight/left arrow.
Steps
1.Click the Add Straight/Left 
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 straight/turn left arrow point cloud key point, the details are as follows, the icon in the first key point.
First key point
3.Move the mouse to view template and actual point cloud fit, left mouse click to select second key point to complete the straight/turn left arrow production, details are as follows, icon in second key point.
Second key point
Straight/turn left arrow drawing