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© Noel Causerano 2010
5.8
Reference Line
Library command: ~REF.L
From COORD Module Main Menu page 2 press the
E
This option allows you to perform Reference line calculations using a radiated bearing
and distance from a station coordinate to a known line. Calculate the chainage and offset
from point 1 of the line and/or the distance to the line from the station coordinate.
key.
The screen will display the currently stored coordinate data:
MP
L
EAST 1 displays the contents of the ‘E1’ variable.
NRTH 1 displays the contents of the ‘N1’ variable.
BRG displays the contents of the ‘b’ variable.
DIST displays the contents of the ‘d’ variable.
REF.L Menu consists of two pages:
Page 1:
Page 2:
REF.L Menu page 1:
Store number in level 1 of the stack to the variable ‘E1’
Store number in level 1 of the stack to the variable ‘N1’
Store number in level 1 of the stack to the variable ‘b’
Store number in level 1 of the stack to the variable ‘d’
SA
Read coordinate program
Reference Line Calculation
REF.L Menu page 2:
Store number in level 1 of the stack to the variable ‘E3’
Store number in level 1 of the stack to the variable ‘N3’
Store number in level 1 of the stack to the variable ‘E4’
Store number in level 1 of the stack to the variable ‘N4’
Read coordinate program
Exit to COORD Module Main Menu page 1
Registered To: SAMPLE
User No: SAMPLE