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25. ROUTE SURVEYING
5. Enter the curve direction, parameter A (clothoid parameter),
KE-KA curve length (length of curve from KE to KA), KE
follow-up distance, and target point follow-up distance.
6. Press
[OK]
in the screen shown in step 5 to calculate the
center peg coordinates. The coordinates are then displayed
in this screen.
7. Press
{ESC}
three times to finish spiral calculation and
return to <Road>.
• KE-KA curve length (length of curve from KE to KA)/KE follow-up distance/target point follow-up distance
input range: 0.000 to 99999.999 (m))
S p i r a l / C L p e g
K A -
K E
l e n g t h
4 1 . 6 6 7 m
D i r e c t .
P a r a A
5 0 . 0 0 0
m
R i g h t
OK
K E S t a . . i n g
S e t O u t p t . s t a
1 5 3 . 7 1 8
m
1 6 0 . 0 0 0 m
OK
N
E
1 6 4 . 8 3 7
S p i r a l / C L p e g
2 3 1 . 0 0 4
Azmth
1 2 5 3 2 ’ 4 8 "
WIDTH
CENTER
REC
S-O