Leica Captivate, Техническое справочное руководство

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Field 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 .
Coordinate
system
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 .
WGS84
point
Selectable list WGS 1984 point of which the convergence
angle is calculated. Available for
Method: Convergence angle .
Point 1 Selectable list First point to use for computation of Azi-
muth . Available for Method: Two WGS84
points .
Point 2 Selectable list Second point to use for computation of Azi-
muth . Available for Method: Two WGS84
points .
Azimuth Display only Computed azimuth between Point 1 and
Point 2 . Available for Method: Two WGS84
points .
Required
azimuth
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 .
Diagram for Onestep, Method: Convergence angle
a
c
d
b
f
e
SYS13_008
a WGS 1984 coordinate system
b Local coordinate system
c Geodetic North
d Grid North
e Point on WGS 1984 datum
f Meridian
α Convergence angle
548 Determine Coordinate System