Add Rain/Strainer
Function Description: This tool can be used to manually add a drain grate.
In order to obtain the plane position correctly, users need to turn on the mouse hover.
Steps
1.In the Road Facilities panel click on the drop-down sign on the right and select Add Rain/Strainer 
button.
2.The graphics to be drawn will be displayed on the mouse in real time. Place the mouse at the center of the point cloud, use the shortcut key to rotate, use the right mouse button to bring up the dialog box to adjust the size, and Double-click to determine the current vector.
Renderings
Note: Shortcuts:
| Shortcut key name | Function |
|---|---|
| r | Rotate counterclockwise |
| q | Rotate clockwise |
| Right mouse button | Change the size of the vector template |