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Determine Rotation
Determine Coordinate System
For Classic 3D: OK continues to Store Coordinate System.
For Onestep and Twostep only.
Key
Description
OK
To confirm the selections and to continue with the subse-
quent panel.
Inverse
Available for Method: Two WGS84 points and
Method: User entered. To compute an azimuth between
two local points. Refer to "39.4.2 Computing Required Azi-
muth".
Meas app
To measure a point and store it in Job where WGS84 points
are stored. Available when Point 1 or Point 2 are highligh-
ted for Method: Two WGS84 points or when WGS84
point is highlighted for Method: Convergence angle.
Description of fields
Field
Option
Method
Use WGS84
north,
User
entered,
Conver-
gence angle
or
Two WGS84
points
Rotation
Display only
Description
Method by which the rotation angle for the
transformation is determined.
For Method: Use WGS84 north: Trans-
•
formation is rotated to North as defined
by the WGS 1984 datum. North is
0.00000 °.
For Method: Convergence angle: The
•
rotation of the transformation calculated
as 0.00000 ° minus the computed con-
vergence angle. The field is updated as
Coordinate system and WGS84 point
are changed.
547
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