Extend Line
Function Description: The Extend Lines function allows the user to adjust the vector length to make the line object extend in the direction of the head or tail.
Steps
1.Click the Extend Line 
button in the Vector Editor.
2.Extend Lines dialog box pops up.
Extend Lines dialog box
Parameter description:
Step Length: The default is 1.0 meters, which means the length of the line object to extend forward or backward each time.
Note: When using shortcut keys, make sure that the 3D window is the current active window.
| Shortcut keys | Function |
|---|---|
| F | Forward |
| B | Backward |
| Ctrl+Z | Fallback extension point |
| H | Hide shortcut key pop-up dialog box |
3.Click the mouse to select the line object to be extended.
Select the line to be extended
4.Click the Forward or Backward button in the dialog box, and the line object will be extended in the corresponding direction.
Extend forward
Rendering of extend forward