Leica GPS1200+, Technical Reference Manual, Page: 871 / 1442

COGO 871
38.8 COGO Calculation - Arc Calculations Method
38.8.1 Arc Calculation - Arc Center
Description The COGO arc calculation arc center calculates the coordinates of the centre of the arc.
Elements that must be known are
• coordinates of three points
OR
• coordinates of two points
• radius to the two points
The coordinates of the known points
• may be taken from the active job.
• may be measured during the COGO calculation.
• may be entered.
Diagram
)
Arc management is not available for COGO arc calculations.
P0 <Start Point:>
P1 <End Point:>
P2 Arc center
d1
<Arc Radius:>
d2 <Arc Length:>
GPS12_158
d1
d2
P0 P2
P1