PHPFUI/InstaDoc
 
Copied!

Ellipsoid class

  • author Antoine Corcy
  • see http://en.wikipedia.org/wiki/Reference_ellipsoid
  • see http://www.colorado.edu/geography/gcraft/notes/datum/gif/ellipse.gif
CloneableInstantiable
Constants
public League\Geotools\Coordinate\Ellipsoid::AIRY = 'AIRY'
 

List of selected reference ellipsoids.

public League\Geotools\Coordinate\Ellipsoid::AUSTRALIAN_NATIONAL = 'AUSTRALIAN_NATIONAL'
public League\Geotools\Coordinate\Ellipsoid::BESSEL_1841 = 'BESSEL_1841'
public League\Geotools\Coordinate\Ellipsoid::BESSEL_1841_NAMBIA = 'BESSEL_1841_NAMBIA'
public League\Geotools\Coordinate\Ellipsoid::CLARKE_1866 = 'CLARKE_1866'
public League\Geotools\Coordinate\Ellipsoid::CLARKE_1880 = 'CLARKE_1880'
public League\Geotools\Coordinate\Ellipsoid::EVEREST = 'EVEREST'
public League\Geotools\Coordinate\Ellipsoid::FISCHER_1960_MERCURY = 'FISCHER_1960_MERCURY'
public League\Geotools\Coordinate\Ellipsoid::FISCHER_1968 = 'FISCHER_1968'
public League\Geotools\Coordinate\Ellipsoid::GRS_1967 = 'GRS_1967'
public League\Geotools\Coordinate\Ellipsoid::GRS_1980 = 'GRS_1980'
public League\Geotools\Coordinate\Ellipsoid::HELMERT_1906 = 'HELMERT_1906'
public League\Geotools\Coordinate\Ellipsoid::HOUGH = 'HOUGH'
public League\Geotools\Coordinate\Ellipsoid::INTERNATIONAL = 'INTERNATIONAL'
public League\Geotools\Coordinate\Ellipsoid::KRASSOVSKY = 'KRASSOVSKY'
public League\Geotools\Coordinate\Ellipsoid::MODIFIED_AIRY = 'MODIFIED_AIRY'
public League\Geotools\Coordinate\Ellipsoid::MODIFIED_EVEREST = 'MODIFIED_EVEREST'
public League\Geotools\Coordinate\Ellipsoid::MODIFIED_FISCHER_1960 = 'MODIFIED_FISCHER_1960'
public League\Geotools\Coordinate\Ellipsoid::SOUTH_AMERICAN_1969 = 'SOUTH_AMERICAN_1969'
public League\Geotools\Coordinate\Ellipsoid::WGS60 = 'WGS60'
public League\Geotools\Coordinate\Ellipsoid::WGS66 = 'WGS66'
public League\Geotools\Coordinate\Ellipsoid::WGS72 = 'WGS72'
public League\Geotools\Coordinate\Ellipsoid::WGS84 = 'WGS84'
Methods
public __construct( $name, $a, $invF)
 

Create a new ellipsoid.

public static checkCoordinatesEllipsoid(League\Geotools\Coordinate\CoordinateInterface $a, League\Geotools\Coordinate\CoordinateInterface $b)
 

Check if coordinates have the same ellipsoid.

public static createFromArray(array $newEllipsoid)
 

Create an ellipsoid from an array.

public static createFromName( $name = 'WGS84'self::)
 

Create the ellipsoid chosen by its name.

public getA()
 

Returns the semi-major axis (equatorial radius) in meters.

public getArithmeticMeanRadius()
 

Computes and returns the arithmetic mean radius in meters.

public static getAvailableEllipsoidNames()
 

Returns the list of available ellipsoids sorted by alphabetical order.

public getB()
 

Computes and returns the semi-minor axis (polar distance) in meters.

public getInvF()
 

Returns the inverse flattening.

public getName()
 

Returns the ellipsoid's name.

Properties
protected $a
 

The semi-major axis (equatorial radius) in meters.

protected $invF
 

The inverse flattening.

protected $name
 

The name of the Ellipsoid.

protected static $referenceEllipsoids = ['AIRY' => ['name' => 'Airy', 'a' => 6377563.396, 'invF' => 299.3249646], 'AUSTRALIAN_NATIONAL' => ['name' => 'Australian National', 'a' => 6378160, 'invF' => 298.25], 'BESSEL_1841' => ['name' => 'Bessel 1841', 'a' => 6377397.155, 'invF' => 299.1528128], 'BESSEL_1841_NAMBIA' => ['name' => 'Bessel 1841 (Nambia)', 'a' => 6377483.865, 'invF' => 299.1528128], 'CLARKE_1866' => ['name' => 'Clarke 1866', 'a' => 6378206.4, 'invF' => 294.9786982], 'CLARKE_1880' => ['name' => 'Clarke 1880', 'a' => 6378249.145, 'invF' => 293.465], 'EVEREST' => ['name' => 'Everest', 'a' => 6377276.345, 'invF' => 300.8017], 'FISCHER_1960_MERCURY' => ['name' => 'Fischer 1960 (Mercury)', 'a' => 6378166, 'invF' => 298.3], 'FISCHER_1968' => ['name' => 'Fischer 1968', 'a' => 6378150, 'invF' => 298.3], 'GRS_1967' => ['name' => 'GRS 1967', 'a' => 6378160, 'invF' => 298.247167427], 'GRS_1980' => ['name' => 'GRS 1980', 'a' => 6378137, 'invF' => 298.257222101], 'HELMERT_1906' => ['name' => 'Helmert 1906', 'a' => 6378200, 'invF' => 298.3], 'HOUGH' => ['name' => 'Hough', 'a' => 6378270, 'invF' => 297], 'INTERNATIONAL' => ['name' => 'International', 'a' => 6378388, 'invF' => 297], 'KRASSOVSKY' => ['name' => 'Krassovsky', 'a' => 6378245, 'invF' => 298.3], 'MODIFIED_AIRY' => ['name' => 'Modified Airy', 'a' => 6377340.189, 'invF' => 299.3249646], 'MODIFIED_EVEREST' => ['name' => 'Modified Everest', 'a' => 6377304.063, 'invF' => 300.8017], 'MODIFIED_FISCHER_1960' => ['name' => 'Modified Fischer 1960', 'a' => 6378155, 'invF' => 298.3], 'SOUTH_AMERICAN_1969' => ['name' => 'South American 1969', 'a' => 6378160, 'invF' => 298.25], 'WGS60' => ['name' => 'WGS 60', 'a' => 6378165, 'invF' => 298.3], 'WGS66' => ['name' => 'WGS 66', 'a' => 6378145, 'invF' => 298.25], 'WGS72' => ['name' => 'WGS 72', 'a' => 6378135, 'invF' => 298.26], 'WGS84' => ['name' => 'WGS 84', 'a' => 6378137, 'invF' => 298.257223563]]
 

Selected reference ellipsoids.

Source: Defense Mapping Agency. 1987b. Washington, DC: Defense Mapping Agency
DMA Technical Report: Supplement to Department of Defense World Geodetic System 1984 Technical Report.

Properties
protected static $referenceEllipsoids = ['AIRY' => ['name' => 'Airy', 'a' => 6377563.396, 'invF' => 299.3249646], 'AUSTRALIAN_NATIONAL' => ['name' => 'Australian National', 'a' => 6378160, 'invF' => 298.25], 'BESSEL_1841' => ['name' => 'Bessel 1841', 'a' => 6377397.155, 'invF' => 299.1528128], 'BESSEL_1841_NAMBIA' => ['name' => 'Bessel 1841 (Nambia)', 'a' => 6377483.865, 'invF' => 299.1528128], 'CLARKE_1866' => ['name' => 'Clarke 1866', 'a' => 6378206.4, 'invF' => 294.9786982], 'CLARKE_1880' => ['name' => 'Clarke 1880', 'a' => 6378249.145, 'invF' => 293.465], 'EVEREST' => ['name' => 'Everest', 'a' => 6377276.345, 'invF' => 300.8017], 'FISCHER_1960_MERCURY' => ['name' => 'Fischer 1960 (Mercury)', 'a' => 6378166, 'invF' => 298.3], 'FISCHER_1968' => ['name' => 'Fischer 1968', 'a' => 6378150, 'invF' => 298.3], 'GRS_1967' => ['name' => 'GRS 1967', 'a' => 6378160, 'invF' => 298.247167427], 'GRS_1980' => ['name' => 'GRS 1980', 'a' => 6378137, 'invF' => 298.257222101], 'HELMERT_1906' => ['name' => 'Helmert 1906', 'a' => 6378200, 'invF' => 298.3], 'HOUGH' => ['name' => 'Hough', 'a' => 6378270, 'invF' => 297], 'INTERNATIONAL' => ['name' => 'International', 'a' => 6378388, 'invF' => 297], 'KRASSOVSKY' => ['name' => 'Krassovsky', 'a' => 6378245, 'invF' => 298.3], 'MODIFIED_AIRY' => ['name' => 'Modified Airy', 'a' => 6377340.189, 'invF' => 299.3249646], 'MODIFIED_EVEREST' => ['name' => 'Modified Everest', 'a' => 6377304.063, 'invF' => 300.8017], 'MODIFIED_FISCHER_1960' => ['name' => 'Modified Fischer 1960', 'a' => 6378155, 'invF' => 298.3], 'SOUTH_AMERICAN_1969' => ['name' => 'South American 1969', 'a' => 6378160, 'invF' => 298.25], 'WGS60' => ['name' => 'WGS 60', 'a' => 6378165, 'invF' => 298.3], 'WGS66' => ['name' => 'WGS 66', 'a' => 6378145, 'invF' => 298.25], 'WGS72' => ['name' => 'WGS 72', 'a' => 6378135, 'invF' => 298.26], 'WGS84' => ['name' => 'WGS 84', 'a' => 6378137, 'invF' => 298.257223563]]
 

Selected reference ellipsoids.

Source: Defense Mapping Agency. 1987b. Washington, DC: Defense Mapping Agency
DMA Technical Report: Supplement to Department of Defense World Geodetic System 1984 Technical Report.

Methods
public static checkCoordinatesEllipsoid(League\Geotools\Coordinate\CoordinateInterface $a, League\Geotools\Coordinate\CoordinateInterface $b)
 

Check if coordinates have the same ellipsoid.

public static createFromArray(array $newEllipsoid)
 

Create an ellipsoid from an array.

public static createFromName( $name = 'WGS84'self::)
 

Create the ellipsoid chosen by its name.

public static getAvailableEllipsoidNames()
 

Returns the list of available ellipsoids sorted by alphabetical order.

© 2023 Bruce Wells
Search Namespaces \ Classes
Configuration