Double Distance - Leica GPS1200 Series Technical Reference Manual

46.3.3
Description
Diagram
Survey - Hidden Points

Double Distance

Two points must be known. They
• may already exist in the job.
• may be manually occupied during the hidden point measurements.
• may be manually typed in.
The distances from the known points to the hidden points are to be determined. The location
of the hidden point relative to the line between the two known points is to be defined.
P2
b
a
d3
P0
GPS12_44
Known
d2
P0 First known point, <Point A:>
P1
P2 Second known point, <Point B:>
d3
a
d1
b
To be measured
d1
d2
Unknown
P1 Hidden point
GPS1200
Line from P0 to P2
Right of d3
Left of d3
Distance from P0 to P1
Distance from P2 to P1
1233