![]() ![]() ![]() For the transverse Mercator, the axis of the cylinder lies in the equatorial plane, and the line of tangency is any chosen meridian, thereby designated the central meridian. Both projections are cylindrical: for the Normal Mercator, the axis of the cylinder coincides with the polar axis and the line of tangency with the equator.They share the same underlying mathematical construction and consequently the transverse Mercator inherits many traits from the normal Mercator: ![]() The transverse Mercator projection is the transverse aspect of the standard (or Normal) Mercator projection. Comparison of tangent and secant forms of normal, oblique and transverse Mercator projections with standard parallels in red ![]()
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