Leica FlexLine TS02 User Manual page 180

Applications
Element Description
Quadratic A quadratic parabola has the advantage that the rate of change of
parabola grade is constant, resulting in a "smoother" curve. A quadratic parabola
has to be defined by:
• Start chainage and start height of P1.
• End chainage and end height of P2.
• Parameter, or Length (L), grade of entry straight (Grade In) and
grade of exit straight (Grade Out).
+%
P1
TSOX_114
TSOX_115
-%
P2
L
L
P1
+%
-%
P1 Start point
P2 End point
P2
L Length
% Slope
FlexLine, 180