Applications
9.5.3
Description
Defining the Reference Line
The base line can be offset from, either longitudinally, in parallel or vertically, or be
rotated around the first base point. This new line created from the offsets is called
the reference line. All measured data refers to the reference line.
Reference line
P2
d1
P0
P1
TSOX_034
a
b
P2
r+
P3
d2
P1
d1
TSOX_034a
d2
P0
Instrument station
P1
Start point
P2
End point
d1
Base line
d2
Reference line
P1
Base point
P2
Base point
a
Base line
d1
Parallel offset
d2
Longitudinal offset
P3
Reference point
r+
Rotation parameter
b
Reference line
FlexLine, 118