C# Class ProjNet.CoordinateSystems.Projections.AlbersProjection

Inheritance: MapProjection
Datei anzeigen Open project: fivepmtechnology/ProjNET Class Usage Examples

Public Methods

Method Description
AlbersProjection ( List parameters ) : System

Creates an instance of an Albers projection object.

The parameters this projection expects are listed below.

ItemsDescriptions latitude_of_false_originThe latitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. longitude_of_false_originThe longitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. latitude_of_1st_standard_parallelFor a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is nearest the pole. Scale is true along this parallel. latitude_of_2nd_standard_parallelFor a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is furthest from the pole. Scale is true along this parallel. easting_at_false_originThe easting value assigned to the false origin. northing_at_false_originThe northing value assigned to the false origin.
AlbersProjection ( List parameters, bool isInverse ) : System

Creates an instance of an Albers projection object.

The parameters this projection expects are listed below.

ItemsDescriptions latitude_of_centerThe latitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. longitude_of_centerThe longitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. standard_parallel_1For a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is nearest the pole. Scale is true along this parallel. standard_parallel_2For a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is furthest from the pole. Scale is true along this parallel. false_eastingThe easting value assigned to the false origin. false_northingThe northing value assigned to the false origin.
DegreesToMeters ( double lonlat ) : double[]

Converts coordinates in decimal degrees to projected meters.
Inverse ( ) : IMathTransform

Returns the inverse of this projection.
MetersToDegrees ( double p ) : double[]

Converts coordinates in projected meters to decimal degrees.

Private Methods

Method Description
Ro ( double a ) : double
alpha ( double lat ) : double

Method Details

AlbersProjection() public method

Creates an instance of an Albers projection object.

The parameters this projection expects are listed below.

ItemsDescriptions latitude_of_false_originThe latitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. longitude_of_false_originThe longitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. latitude_of_1st_standard_parallelFor a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is nearest the pole. Scale is true along this parallel. latitude_of_2nd_standard_parallelFor a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is furthest from the pole. Scale is true along this parallel. easting_at_false_originThe easting value assigned to the false origin. northing_at_false_originThe northing value assigned to the false origin.
public AlbersProjection ( List parameters ) : System
parameters List List of parameters to initialize the projection.
return System

AlbersProjection() public method

Creates an instance of an Albers projection object.

The parameters this projection expects are listed below.

ItemsDescriptions latitude_of_centerThe latitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. longitude_of_centerThe longitude of the point which is not the natural origin and at which grid coordinate values false easting and false northing are defined. standard_parallel_1For a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is nearest the pole. Scale is true along this parallel. standard_parallel_2For a conic projection with two standard parallels, this is the latitude of intersection of the cone with the ellipsoid that is furthest from the pole. Scale is true along this parallel. false_eastingThe easting value assigned to the false origin. false_northingThe northing value assigned to the false origin.
public AlbersProjection ( List parameters, bool isInverse ) : System
parameters List List of parameters to initialize the projection.
isInverse bool Indicates whether the projection forward (meters to degrees or degrees to meters).
return System

DegreesToMeters() public method

Converts coordinates in decimal degrees to projected meters.
public DegreesToMeters ( double lonlat ) : double[]
lonlat double The point in decimal degrees.
return double[]

Inverse() public method

Returns the inverse of this projection.
public Inverse ( ) : IMathTransform
return IMathTransform

MetersToDegrees() public method

Converts coordinates in projected meters to decimal degrees.
public MetersToDegrees ( double p ) : double[]
p double Point in meters
return double[]