An alignment represents the path where perpendicular lines along the alignment indicate cross-sections. It is a practice to mark each cross-section line with proper labeling like “Chainage at 30 M”. This labeling includes prefix, suffix, decimal precision of the chainage, increment, cross-section line length and the change points, which represent the change in path or direction of the alignment. Marking each cross section line along an alignment with proper labeling will make the drawing more readable. Marking these-cross sections lines and labeling them in CAD takes a lot time. Whereas using the MCH command, marking cross-section lines along with the labels is done in one step.
Use Mark Chainage Lisp to Mark Chainages in Road, Railway, and Irrigation Projects.
Sl.No
Options
Description
Example
1
Prefix
Prefix Value before Chainage Number
Ch.
2
Suffix
Suffix Value after Chainage Number
M
3
Starting Chainage
Starting Chainage Value
0
4
Increment
Chainage Increment Value
30
5
Chainage text Distance
How far the Chainage Caption be aware from Section Line
1
6
Precision
Chainage Precision
2
7
Cross Section Line Length
Cross Section Line Length
20
8
Including change point
Yes/No
No
Click the Ok button and Select the Alignment Line (L Section Line): (Select the LS Line)
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