Leica Captivate Technical Reference Manual page 548

Field
Coordinate
system
WGS84
point
Point 1
Point 2
Azimuth
Required
azimuth
Diagram for Onestep, Method: Convergence angle
SYS13_008
548
Option Description
For Method: Two WGS84 points: The
•
rotation of the transformation calculated
as required azimuth minus azimuth. The
field is updated as Point 1, Point 2 and
Required azimuth are changed.
Editable field For Method: User entered: To manually
•
type in the orientation of the transfor-
mation or to calculated in Compute
Reqrd Azimuth.
Selectable list Coordinate system to provide the direction of
grid North in the area where the control
point used for determining the local coordi-
nate system, is located. Available for
Method: Convergence angle.
Selectable list WGS 1984 point of which the convergence
angle is calculated. Available for
Method: Convergence angle.
Selectable list First point to use for computation of Azi-
muth. Available for Method: Two WGS84
points.
Selectable list Second point to use for computation of Azi-
muth. Available for Method: Two WGS84
points.
Display only Computed azimuth between Point 1 and
Point 2. Available for Method: Two WGS84
points.
Editable field The required grid azimuth, computed
between two local points. Refer to "39.4.2
Computing Required Azimuth". Available for
Method: Two WGS84 points.
c
d
e
b
f
a
a WGS 1984 coordinate system
b Local coordinate system
c Geodetic North
d Grid North
e Point on WGS 1984 datum
f Meridian
Convergence angle
α
Determine Coordinate System