GeoMax Zoom10 - Page 71

Element Description
-R
-R
+R
+R
LL
P1
18900_001
P1 Start point
-R Negative radius for anti-
clockwise direction
+R Positive radius for clockwise
direction
L Arc length
Intersection method
A horizontal curve can also be defined by entering the intersection point of the curve tangents,
the curve radius and the two parameters A1 and A2.
The values for radius, A1 and A2 should not be negative.
R
P0
PC
PT
PI
A1
A2
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P0 Start point
PC Point of curvature
PI Intersection point
PT Point of tangent
A1 Tangent length
A2 Length between PC and PT
R Radius of curve
Select HC list (2) from the Road menu.
"HC list" screen
Save To save the entered road data.
Delete To delete the selected road ele-
ment.
Add To add a road element.
View To view details of the selected
road element.
Access
Define a horizontal curve
Application 71