9. Raster Chart Material
9-9
In this example WGS-84 shift is not defined
in the current ARCS chart
Chart Shift:
Undefined indicates that current ARCS chart
does not have defined WGS-84 shift.
Accuracy:
This field contains accuracy as defined by the
chart producer.
User WGS shift
The shifts between WGS-84 datum and the
local datum as defined by the user.
Active
Indicates that the user-defined WGS-84 shift
is in use.
00.176'N 01.290'E
Undefined
Undefined
Specifying user WGS-84 shift
You can define WGS-84 shift for those ARCS charts which do not have defined WGS-84 shift. You cannot redefine
WGS-84 shift for any ARCS chart for which it is defined by the chart producer.
To define user WGS-84 shift do the
following:
1. Click the Details button on the ARCS
Chart Legend sidebar to open the ARCS
Details dialog box.
2. Click the WGS84 Shift…button. Check
Enable changes. Locate the cursor where
desired. Check Active and Enable
changes.
Use the Reset button to reset the values of the
user defined WGS-84 shift to zero.
Use Active to control use of user defined
WGS-84 shift. Check to activate user-defined
WGS-84 shift; uncheck to deactivate.
00.000'N 00.000'E
00.000'N 00.000'E
00.176'N 00.290'E
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