Triton BathyPro - Manual (Page 50)

1. In the Select Datum dialog box shown in Figure 19, highlight (select)
User-Defined Datum.
The text boxes (right column) shown in Figure 19 become accessible for
modification (Figure 20).
Figure 20. User-Defined Datum fields available to be defined
2. Click Finish in the Select Datum aspect of the Input Projection settings
dialog box.
3. In the available text boxes, specify the values you need that describe your
user-defined datum.
Units for the Ellipsoid parameters shown in Figure 20 are meters (m) for
the Semi-Major Axis, and the inverse of flattening (1/f), where…
f is the ratio of the difference between the semi-major and semi-
minor axes, where
June 2004 BathyPro User’s Manual
50