GeoMax Zoom10 - Horizontal Curve Definition

Delete To delete selected road file.
New To create a road.
Close To close currently open road file.
Open To open selected road file.
Field Description
Current Displays name of the currently used/open road file.
☞
To delete the currently used road file, you need to close it first.
9.9.3 Horizontal Curve Definition
There are to ways of defining a horizontal curve:
•
Elements method
•
Intersection method
Elements method
A horizontal curve can consist of 30 elements at maximum. The following elements can be
defined:
Element Description
Startpoint The startpoint has to be defined before any other element by
•
Chainage position
•
Easting and Northing coordinates
Straight line A straight has to be defined by:
•
Azimuth
•
Distance (not negative!)
Circular curve A circular curve has to be defined by:
•
Radius:
If the radius is positive, the arc bends in clockwise direction along the
line.
If the radius is negative, the arc bends in anticlockwise direction
along the line.
•
Arc length:
The value should not be negative.
-R
-R
+R
+RLL
P118857_001
P1 Start point
-R Negative radius for anti-
clockwise direction
+R Positive radius for clockwise
direction
L Arc length
Transition curve A transition curve has to be defined by:
•
Minimum radius:
If the radius is positive, the arc bends in clockwise direction along the
line.
If the radius is negative, the arc bends in anticlockwise direction
along the line.
•
Arc length:
The value should not be negative.
Manage road files
Description
70 Application