Orthographic Projection In Cartography
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Orthographic Projection In Cartography
This map projection is the same as the local projection but only supports spheres. The point of perspective for the orthographic projection is at infinite distance. It depicts a hemisphere of the globe as it appears from outer space, where the horizon is a great circle.
An orthographic projection is a map projection of cartography. Pay attention, this is assorted inverse: This map projection is the same as the local projection but only supports spheres.
Typically, but not necessarily, this process is mathematical.
In about 14 bc, roman engineer marcus vitruvius pollio used the projection to construct sundials and to compute sun positions. Orthographic projection is an azimuthal projection orthogonally onto a tangent plane or secant plane. Such a representation presents an obvious problem but one that did not disturb ancient or medieval cartographers. This projection is useful for presenting individual hemispheres placed in the center where the shapes are not significantly distorted, but area and shape can be distorted by perspective.
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