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38.4.4
Diagram
Point to arc/
Current position to
arc,
Input page
474
Field
Option
Offset
Display only
Bearing to
Display only
offset point
Line length
Display only
Line bearing
Display only
Easting and
Display only
Northing
Height
Display only
Next step
Page changes to the 3D viewer page.
Point to Arc and Current Position to Arc
P3
d1
P2
d2
P0
GS_004
For all point fields, 3D viewer can be used to select the desired point.
To type in coordinates for a known point open a selectable list. Press New to
create a point.
----- is displayed for unavailable information, for example Height difference
cannot be calculated if a position only point is used.
Key
Description
Calculate
To calculate COGO point.
Description
Offset from base point to offset point. Posi-
tive to the right and negative to the left of
the line.
Bearing from base point to offset point.
Length of line from start point to end point.
Bearing of line from start point to end point.
The calculated coordinates.
The height of the calculated point.
P1
Known
P0 Start point
P1 End point
P2 Offset point
Unknown
P3 Base point
d1 Offset-XX
d2 ΔArcDist-XX
COGO
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