Add a floating spiral-line group, with specified spiral and line lengths, to a curve.
When the attachment entity (1) is edited, the spiral (2) and line (3) lengths do not change. You can adjust or move the attachment curve and the entire spiral-line group moves with it.
To add a floating line with spiral (from curve end, length)
- Click the alignment. Click Alignment tab
Modify panel
Geometry Editor
. - On the Alignment Layout Tools toolbar, click
Floating Line With Spiral (From Curve End, Length). The current spiral definition is displayed at the command line. - Specify the curve end to attach to.
- Specify the spiral length or the A value, by either entering a numeric value or selecting two points.
Specify a new value, or press Enter to accept the value that is displayed on the command line.
- If the alignment has design criteria applied to it, the minimum value for the current design speed is displayed.
- If the alignment does not have design criteria applied to it, the default value specified in the curve and spiral settings is displayed. For more information, see Curve and Spiral Settings.
- Specify the line length.