![]() The scale factor is not cartographic scale, but a factor used to calculate actual ellipsoidal distances rather than distances on the projected surface.Ĭonvergence is the angle of difference in direction from Grid North to True North. Grid Scale Factor, often simply called "Scale Factor" is a measure of distortion at a given point on a projected map. ![]() Points in a Geodetic systems do not have a scale or convergence. Orthometric height scale will only display when a Vertical Reference is selected. These fields only apply when a projected coordinate system is chosen as the output system. ![]() Three optional output fields for Interactive and Point Database Conversions are Scale Factor, Convergence, and Orthometric Height Scale.
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