PHP Class League\Geotools\Coordinate\Ellipsoid

See also: http://en.wikipedia.org/wiki/Reference_ellipsoid

See also: http://www.colorado.edu/geography/gcraft/notes/datum/gif/ellipse.gif

Author: Antoine Corcy ([email protected])

Exibir arquivo Open project: toin0u/geotools Class Usage Examples

Protected Properties

Property	Type	Description
$a	double	The semi-major axis (equatorial radius) in meters.
$invF	double	The inverse flattening.
$name	string	The name of the Ellipsoid.
$referenceEllipsoids	array	Source: Defense Mapping Agency. 1987b. Washington, DC: Defense Mapping Agency DMA Technical Report: Supplement to Department of Defense World Geodetic System 1984 Technical Report.

Public Methods

Method	Description
__construct ( string $name, double $a, double $invF )	Create a new ellipsoid.
checkCoordinatesEllipsoid ( League\Geotools\Coordinate\CoordinateInterface $a, League\Geotools\Coordinate\CoordinateInterface $b )	Check if coordinates have the same ellipsoid.
createFromArray ( array $newEllipsoid ) : Ellipsoid	Create an ellipsoid from an array.
createFromName ( string $name = self::WGS84 ) : Ellipsoid	Create the ellipsoid chosen by its name.
getA ( ) : double	Returns the semi-major axis (equatorial radius) in meters.
getArithmeticMeanRadius ( ) : double	Computes and returns the arithmetic mean radius in meters.
getAvailableEllipsoidNames ( ) : string	Returns the list of available ellipsoids sorted by alphabetical order.
getB ( ) : double	Computes and returns the semi-minor axis (polar distance) in meters.
getInvF ( ) : double	Returns the inverse flattening.
getName ( ) : string	Returns the ellipsoid's name.

Method Details

__construct() public method

Create a new ellipsoid.

public __construct ( string $name, double $a, double $invF )
$name	string	The name of the ellipsoid to create.
$a	double	The semi-major axis (equatorial radius) in meters.
$invF	double	The inverse flattening.

checkCoordinatesEllipsoid() public static method

Check if coordinates have the same ellipsoid.

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

createFromArray() public static method

Create an ellipsoid from an array.

public static createFromArray ( array $newEllipsoid ) : Ellipsoid
$newEllipsoid	array	The ellipsoid's parameters to create.
return	Ellipsoid

createFromName() public static method

Create the ellipsoid chosen by its name.

public static createFromName ( string $name = self::WGS84 ) : Ellipsoid
$name	string	The name of the ellipsoid to create (optional).
return	Ellipsoid

getA() public method

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

public getA ( ) : double
return	double

getArithmeticMeanRadius() public method

Computes and returns the arithmetic mean radius in meters.

See also: http://home.online.no/~sigurdhu/WGS84_Eng.html

public getArithmeticMeanRadius ( ) : double
return	double

getAvailableEllipsoidNames() public static method

Returns the list of available ellipsoids sorted by alphabetical order.

public static getAvailableEllipsoidNames ( ) : string
return	string	The list of available ellipsoids comma separated.

getB() public method

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

See also: http://home.online.no/~sigurdhu/WGS84_Eng.html

public getB ( ) : double
return	double

getInvF() public method

Returns the inverse flattening.

public getInvF ( ) : double
return	double

getName() public method

Returns the ellipsoid's name.

public getName ( ) : string
return	string

Property Details

$a protected_oe property

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

See also: http://en.wikipedia.org/wiki/Earth_radius

See also: http://home.online.no/~sigurdhu/WGS84_Eng.html

protected double $a
return	double

$invF protected_oe property

The inverse flattening.

See also: http://home.online.no/~sigurdhu/WGS84_Eng.html

protected double $invF
return	double

$name protected_oe property

The name of the Ellipsoid.

protected string $name
return	string

$referenceEllipsoids protected_oe static_oe property

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

See also: http://en.wikipedia.org/wiki/Geodetic_datum

See also: http://www.colorado.edu/geography/gcraft/notes/datum/gif/refellip.gif

protected static array $referenceEllipsoids
return	array