The Orthographic projection closely resembles a globe in appearance, since it is a perspective projection from infinite distance. Only one hemisphere can be shown at a time. This projection is used chiefly for pictorial views and is used only in spherical form.
The "Orthographic" projection has the following parameters:
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Spherical Radius
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False Northing
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False Easting
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Longitude of natural origin
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Latitude of natural origin
Note: Only a spherical form of this projection is used. The semi-major axis of the ellipsoid will be used as the radius of the sphere.
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