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interface of ―Define(H)-Begin‖, then you can select the other lie type
to input. After finishing the input, press [ENT] to enter the interface
of ―List of H curve‖;
Define(H)-Begin
Clear
B.S
Enter
N:
E:
Mark:
Note: Do not define the length as ‗0‘, which indicates ending the
alignment.
Input ―Line‖:
Define(H)-Line
Clear
B.S
Enter
AZ:
0.0000
Len.:
Input ―Circle‖:
Define(H)-Circle
Clear
B.S
Enter
R:
Len.:
Arc
length
Radius
The value of Radius (R) can be negative. The positive direction
is the right direction along the designed roadway, and the left is
negative. The ―Len.‖ refers to Arc length.
Input ―Spiral‖:
