Leica TPS1200 series Technical Reference Manual page 946

Reference Line
Defining
a reference line/arc
A reference line can be defined in the following ways:
• Two known points
• One known point, an azimuth, a distance and a gradient
• One known point, an azimuth, a distance and a difference in height
P1
P0
TPS12_174
A reference arc can be defined in the following ways:
• Two known points and a radius
• Three known points
TPS1200
P2
d1
d2
P0 Instrument station
P1 Start point
P2 End point
d1
d2
α
β
Known distance
∆
Difference in height, Ht
Azimuth
Elevation angle between the start point and
the end point
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