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Oblique Mercator Projection

The Oblique Mercator Projection is used to show regions along a great circle other than the Equator (Mercator) or a meridian (Transverse Mercator). This kind of map can be made to show as a straight line the shortest distance between any two preselected points along the selected great circle.

Some projections that are derived from the Oblique Mercator projection are:


Oblique Mercator Projection
Oblique Mercator Projection


Required Parameters

To convert Oblique Mercator coordinates, the following parameters have to be set: