Leica TS01 User Manual page 69

Vertical geometry
elements
Apps
Element Description
P1
TSOX_109
Curve A circular curve has to be defined by:
Start point (P1) and end point (P2) with known Easting
•
and Northing coordinates.
Radius (R).
•
Direction: Clockwise (b) or Anticlockwise (a).
•
TSOX_090
Spiral A spiral is a transition curve whose radius changes along its
length. A spiral has to be defined by:
• Start point (P1) and end point (P2) with known Easting
and Northing coordinates.
Radius at the start of the spiral (R).
•
Spiral parameter (A) or length (L) of the spiral.
•
A =
Direction: Clockwise or Anticlockwise.
•
Spiral type: Spiral in or Spiral out.
•
TSOX_111
For onboard input Road supports the following elements for vertical align-
ments:
P2
P1
R
a
b
R
P2
L · R
R
R
L
P2
P1
P1 Start point
P2 End point
P1 Start point
P2 End point
R Radius
a Anticlockwise direction
b Clockwise direction
P1 Start point
P2 End point
R Radius
L Length
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