Reference Line
Direction of values
The following diagram shows the direction of positive and negative values for distance and
height differences between the target point and the reference point for reference lines.
-
P3
P0
P1
TPS12_176
TPS1200
P2
+
P3
+
P4
-
P0 Instrument station
P1 Start point
P2 End point
P3 Target point
P4 Reference point
948