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DET C SYS
Step 5: Determine Scale
Determine Coordinate System - One Point Localisa-
tion
This screen contains different fields, depending on the <Method:> selected. The explana-
tions for the softkeys given below are valid as indicated. The scale is calculated using the
formula (r + h)/r where r is the radius of the ellipsoid at the position of the WGS 1984 point
selected in DET C SYS Step 3: Choose Common Point and h is the height of this point
above the local ellipsoid.
Description of fields
Field
Option
<Method:>
User Entered or
Compute CSF
CONT (F1)
To confirm the selections and to continue with
the subsequent screen.
GRID (F2)
Available for <Method: Compute CSF>. To
compute the grid scale factor. Accesses DET
C SYS Compute Grid Scale Factor. Refer to
"41.3.2 Computing the Grid Scale Factor".
HIGHT (F3)
Available for <Method: Compute CSF>. To
compute the height scale factor. Accesses
DET C SYS Compute Height Scale Factor.
Refer to "41.3.3 Computing the Height Scale
Factor".
Description
The default method for determining the Combined
Scale Factor to be used in the transformation
process.
GPS1200+
1005
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