Intersection - Horizon Fitness HTS-580 Series Operation Manual

7.11.3 Intersection

There are four methods of calculating the intersection:
1. Azimuth-azimuth
N
P1
2. Azimuth-distance
N
P1
P3
α1
P4
r
P3
P2
α
Known：
P1 the first known point
P2 the second known point
α1 the azimuth from P1 to P3
α2 the azimuth from P2 to P3
α2
Unknown：
P3 the COGO point
P2
Known：
P1 the first known point
P2 the second known point
α the azimuth from P1 to P3 and
P4
r radius, determined by the
distance from P2 to P4 and P3
Unknown：
P3 the first COGO point
P4 the second COGO point
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