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Geography
Geography.Position
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Method Geography.Position()->set_ellipsoid()
- Method
set_ellipsoid
int(0..1) set_ellipsoid(string name)
int(0..1) set_ellipsoid(float equatorial_radius, float polar_radius) - Description
Sets the equatorial and polar radius to the provided values.
A name can also be provided, in which case the radius will be looked
up in the ellipsoid mapping. The function returns 1 upon success, 0 on
failure.
| "Airy 1830" |
| "ATS77" |
| "Australian National" |
| "Bessel 1841" |
| "Bessel 1841 Namibia" |
| "Clarke 1866" |
| "Clarke 1880" |
| "Everest" |
| "Everest 1830" |
| "Everest 1848" |
| "Everest 1856" |
| "Everest 1869" |
| "Everest Pakistan" |
| "Fisher 1960" |
| "Fisher 1968" |
| "G R S 1967" |
| "G R S 1975" |
| "G R S 1980" |
| "Helmert 1906" |
| "Hough 1956" |
| "Indonesian 1974" |
| "Krassovsky 1940" |
| "Mercury" |
| "Modified Airy" |
| "Modified Fisher 1960" |
| "New International 1967" |
| "SGS 85" |
| "South American 1969" |
| "Sphere" |
| "WGS 60" |
| "WGS 66" |
| "WGS 72" |
| "WGS 84" |
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- Note
The longitude and lattitude are not converted to the new ellipsoid.
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Geography.Position()->longitude()