Add a floating spiral-line group, with a specified spiral length and pass-through point, to a curve.
When the attachment entity (1) is edited, the spiral length (2) and pass-through point (3) do not change. The line length and attachment point change to accommodate edits to the attachment curve.
To add a floating line with a spiral (from curve, through point)
- Click the alignment. Click Alignment tab
Modify panel
Geometry Editor
. - On the Alignment Layout Tools toolbar, click
Floating Line With Spiral (From Curve, Through Point). The current spiral definition is displayed at the command line.
- Specify the curve end to attach to.
- Specify either the spiral length or the A value, either by entering a numeric value, or selecting two points in the drawing.
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 pass through point.