Technical data

Creating Existing Ground Sections Along a Road

To generate existing ground cross sections

Steps

Use

to look up

1 From the Alignments menu, choose Set Current

Alignment to make sure that the proper alignment

is set as current.

Make an Alignment

Current

2 Generate existing ground section data using one of

the commands in the Cross Sections ➤ Existing

Ground menu.

The data can be extracted from a terrain model,

from a station/offset/elevation ASCII text file, or

from manual data entry.

Sample the Existing

Ground Section Data

from One DTM Surface

Create the Existing

Ground Cross Section

Data From a Text File

3 You can view the cross sections by selecting Cross

Sections ➤ View/Edit Sections.

Use the Next option to view the cross sections as

they progress along the alignment.

You can also edit individual cross sections using this

command.

Choose Which Cross

Section Station to Edit

4 From the Cross Sections menu, choose Existing

Ground ➤ Edit Sections to edit the cross section

data in a tabular editor as shown in the

following illustration.

Edit the Existing Ground

Cross Section Data