Spectra Precision FOCUS 2 Series - Calculating Road Alignment Elements; Length of Transition Curve

SPECTRA PRECISION FOCUS 2 SERIES TOTAL STATION USER GUIDE
B – Calculate Road Alignment
153
The data transmitted to the computer is formatted as follows:
START 0.000, 1050.000, 1100.000 CRLF
PT 1750.000, 1300.000, 100.000, 80.000, 80.000 CRLF
PT 1400.000, 1750.000, 200.000, 0.000, 0.000 CRLF
PT 1800.000, 1800.000,2000.000 CRLF
Calculating road alignment elements
Length of transition curve
L
1.2
: Length of clothoid
A
1.2
: Parameter of clothoid
R: Radius
L
1.2
A
1.2
2
R⁄=
L
1
A
1
2
R80
2
= 100⁄⁄ 64m==
L
2
A
2
2
R80
2
= 100⁄⁄ 64m==