2.0

Editing the Vertical Alignments with the Vertical Alignment Editor
171
2 From the Vert. Alignment list, select the alignment to create:
If there is} Then}
no data for a selected alignment the Vertical Alignment Creation dialog box is
displayed.
data for the selected alignment the Vertical Alignment Editor dialog box is
displayed.
Under Settings, select the alignment to create. Click
Yes to display the Vertical Alignment Editor dialog
box.
3 Enter the PVI station and elevation data in the Vertical Alignment Creation
Editor dialog box.
The starting and ending points of an alignment are considered PVIs. Tab
between columns. The % grade is calculated from the horizontal distance and
difference in elevation between the PVIs.
NOTE
You cannot edit the % grade field in the Vertical Alignment Creation Editor
dialog box. However, you can edit the % grade when you return to the
Vertical Alignment Editor dialog box.
4 Click OK to return to the Vertical Alignment Editor dialog box.
5 You can edit the vertical alignment data using the options in the Edit area of
the Vertical Alignment Editor.
6 To insert a new PVI, click Insert PVI.
When you select this button, the command adds a new row to the editor above
the row where the cursor is located. Press ENTER or Tab to move between the
columns. Enter the station and elevation of the PVI. The percent grade is
calculated to reflect the new PVI. Enter the vertical curve length, if required.
7 To delete a PVI, place your cursor in the row you want to delete and select
Delete PVI.
A confirmation dialog box displays. Click Yes to delete the station. The station,
elevation and grade for the remaining PVIs are automatically recalculated to
reflect the new PVI coordinates.
Editing a Vertical Curve with the Vertical
Alignment Editor
To edit a vertical curve with the vertical alignment editor
1 Display the Vertical Alignment Editor dialog box in one of the following ways:
n
From the Profiles menu, choose FG Vertical Alignments
ä
Edit.
n
From the Profiles menu, choose DT Vertical Alignments
ä
Edit.
n
From the Profiles menu, choose Existing Ground
ä
Edit Vertical Alignment.
2 From the Vert. Alignment list, select the finished ground alignment to edit
(curve data for existing ground alignments is not editable).
3 Place your cursor in the row of the curve to edit, then click Edit Curve.