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Table Of Contents
Chapter 4 Working with Cross Sections
268
13 To delete all the values for a selected station, place your cursor in one of the
rows of data for that station and click Del Sta.
14 At any time you can click Save to save the interpolation control values without
exiting the Interpolation Surface Control Editor.
15 When you have finished entering interpolation values in the Interpolation
Surface Control Editor, click OK to return to the Existing Ground Section Editor.
16 Click Interp Surfaces to create the subsurfaces for each station based on the data
you entered.
NOTE
You must click Interp Surfaces in order to create the subsurfaces you
entered in the Interpolation Surface Control Editor.
A dialog box is displayed with a warning about overwriting existing sub-surface
data.
17 Click Yes or No:
n
Click Yes to overwrite existing data. The depths of the material at stations
between the control stations are interpolated.
n
Click No to abort the command if you clicked Interp Surfaces accidentally. If
you click No, then the command does not perform the interpolation.
The information generated in the Interpolation Surface Control Editor dialog
box is saved to an ASCII file. This file is named after the current alignment with
the extension .icn. This file is saved in the \align subfolder of the project folder.
You can edit the information saved in this file using any text editor, and then
use it with any other Cross Sections command. You can also add comments to
the data. Use a semi-colon (;) or pound sign (#) to indicate the beginning of
comment lines.
The following illustration shows a finished ground cross section with a
template, ditches, slopes, and superelevation in relation to topsoil, clay,
and rock:
Cross section with subsurfaces