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  2. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).

  3. Wikipedia:Obtaining geographic coordinates - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Obtaining...

    Click the email icon. The geographical coordinates are embedded in the email link which is then displayed. The coordinates are the two numbers displayed immediately after the letters "cp=". The latitude and longitude are separated by a tilde ( ~ ). The latitude is displayed first, and both coordinates are displayed in decimal degrees format.

  4. RuneQuest - Wikipedia

    en.wikipedia.org/wiki/RuneQuest

    RuneQuest (commonly abbreviated as RQ) [1] [better source needed] is a fantasy tabletop role-playing game originally designed by Steve Perrin, Ray Turney, Steve Henderson, and Warren James, and set in Greg Stafford's mythical world of Glorantha.

  5. Vincenty's formulae - Wikipedia

    en.wikipedia.org/wiki/Vincenty's_formulae

    Online calculators from Geoscience Australia: Vincenty Direct (destination point) Vincenty Inverse (distance between points) Calculators from the U.S. National Geodetic Survey: Online and downloadable PC-executable calculation utilities, including forward (direct) and inverse problems, in both two and three dimensions (accessed 2011-08-01).

  6. Geographical distance - Wikipedia

    en.wikipedia.org/wiki/Geographical_distance

    Where geographic coordinates are used as the argument of a trigonometric function, the values may be expressed in any angular units compatible with the method used to determine the value of the trigonometric function. Many electronic calculators allow calculations of trigonometric functions in either degrees or radians. The calculator mode must ...

  7. Geodetic datum - Wikipedia

    en.wikipedia.org/wiki/Geodetic_datum

    A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global datum reference or reference frame for unambiguously representing the position of locations on Earth by means of either geodetic coordinates (and related vertical coordinates) or geocentric coordinates. [1]

  8. Local tangent plane coordinates - Wikipedia

    en.wikipedia.org/.../Local_tangent_plane_coordinates

    Local tangent plane coordinates (LTP) are part of a spatial reference system based on the tangent plane defined by the local vertical direction and the Earth's axis of rotation. They are also known as local ellipsoidal system , [ 1 ] [ 2 ] local geodetic coordinate system , [ 3 ] local vertical, local horizontal coordinates ( LVLH ), or ...

  9. Latitude - Wikipedia

    en.wikipedia.org/wiki/Latitude

    Geocentric coordinate related to spherical polar coordinates P(r,θ′,λ) The geocentric latitude θ is the complement of the polar angle or colatitude θ′ in conventional spherical polar coordinates in which the coordinates of a point are P( r , θ ′, λ ) where r is the distance of P from the centre O , θ′ is the angle between the ...