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object --+ | named._Named --+ | named._NamedBase --+ | named._NamedEnumItem --+ | Ellipsoid
Ellipsoid with major and minor radius, semi-axis, (inverse) flattening and other pre-computed, frequently used attributes.
Instance Methods | |||
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Inherited from Inherited from Inherited from Inherited from |
Class Variables | |
_f_ = 0 Inverse flattening: a / (a - b) = 1 / f |
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_a2_ = None (1 / a**2) # for ellipsiodalNvector.Cartesian.toNvector |
Properties | |
a An immutable property ( Read Only ).
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a2 An immutable property ( Read Only ).
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a2_ An immutable property ( Read Only ).
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a_b An immutable property ( Read Only ).
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a2_b An immutable property ( Read Only ).
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area An immutable property ( Read Only ).
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A An immutable property ( Read Only ).
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AlphaKs An immutable property ( Read Only ).
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b An immutable property ( Read Only ).
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b2 An immutable property ( Read Only ).
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b2_a An immutable property ( Read Only ).
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BetaKs An immutable property ( Read Only ).
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c An immutable property ( Read Only ).
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e An immutable property ( Read Only ).
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e12 An immutable property ( Read Only ).
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e2 An immutable property ( Read Only ).
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e22 An immutable property ( Read Only ).
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e4 An immutable property ( Read Only ).
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es An immutable property ( Read Only ).
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es_c An immutable property ( Read Only ).
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f An immutable property ( Read Only ).
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f_ An immutable property ( Read Only ).
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f2 An immutable property ( Read Only ).
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geodesic An immutable property ( Read Only ).
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isEllipsoidal An immutable property ( Read Only ).
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isSpherical An immutable property ( Read Only ).
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KsOrder Property to get and set the Krüger series' order ( int ).
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Mabcd An immutable property ( Read Only ).
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n An immutable property ( Read Only ).
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R1 An immutable property ( Read Only ).
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R2 An immutable property ( Read Only ).
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R3 An immutable property ( Read Only ).
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Rr An immutable property ( Read Only ).
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Rs An immutable property ( Read Only ).
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volume An immutable property ( Read Only ).
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Inherited from Inherited from Inherited from |
Method Details |
New Ellipsoid.
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Compare this and an other ellipsoid.
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Approximate the distance and (initial) bearing between two points based on the radii of curvature. Suitable only for short distances up to a few hundred Km or Miles and only between points not near-polar.
See Also: Local, flat earth approximation. |
Return ECEF converter.
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Compute norm sqrt(1 - e2 * s**2).
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Compute 1 - e2 * s**2.
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Compute es * atanh(es * x) where es is the signed 1st Eccentricity. See Also: Function Math::eatanhe. |
Compute Karney's equations (19), (20) and (21). See Also: Function Math::tauf. |
Compute Karney's equations (7), (8) and (9). See Also: Function Math::taupf. |
Convert distance to angle along equator.
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Compute the geocentric earth radius at the given latitude.
See Also: Geocentric Radius |
Approximate the earth radius at the given latitude.
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Compute the meridional and prime-vertical radii of curvature at the given latitude.
See Also: Local, flat earth approximation and Radii of Curvature. |
Compute the directional radius of curvature at the given latitude and compass direction.
See Also: Radii of Curvature |
Compute the Gaussian radius of curvature at the given latitude.
See Also: Radii of Curvature |
Compute the mean radius of curvature at the given latitude.
See Also: Radii of Curvature |
Compute the meridional radius of curvature at the given latitude.
See Also: Local, flat earth approximation and Radii of Curvature. |
Compute the prime-vertical radius of curvature at the given latitude.
See Also: Local, flat earth approximation and Radii of Curvature. |
Return this ellipsoid as a text string.
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Property Details |
aAn immutable property (
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a2An immutable property (
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a2_An immutable property (
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a_bAn immutable property (
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a2_bAn immutable property (
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areaAn immutable property (
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AAn immutable property (
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AlphaKsAn immutable property (
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bAn immutable property (
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b2An immutable property (
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b2_aAn immutable property (
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BetaKsAn immutable property (
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cAn immutable property (
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eAn immutable property (
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e12An immutable property (
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e2An immutable property (
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e22An immutable property (
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e4An immutable property (
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esAn immutable property (
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es_cAn immutable property (
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fAn immutable property (
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f_An immutable property (
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f2An immutable property (
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geodesicAn immutable property (
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isEllipsoidalAn immutable property (
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isSphericalAn immutable property (
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KsOrderProperty to get and set the Krüger series' order
(
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MabcdAn immutable property (
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nAn immutable property (
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R1An immutable property (
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R2An immutable property (
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R3An immutable property (
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RrAn immutable property (
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RsAn immutable property (
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volumeAn immutable property (
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