This class wraps a number of routines to deal with the radolan specific coordinate systems. More...

#include <coordinate_system.h>

Public Member Functions
	RDCoordinateSystem (RDScanType type)
	Constructs a coordinate system for a specific RDScanType. More...

virtual	~RDCoordinateSystem ()
	Destructor.

void	setScanType (RDScanType type)
	Changes the scan type. More...

RDCartesianPoint	cartesianCoordinate (RDGeographicalPointRad coord)
	Calculate the polar stereographic coordinate from the given geographical coordinate. More...

RDCartesianPoint	cartesianCoordinate (RDGeographicalPoint coord)
	Calculate the polar stereographic coordinate from the given geographical coordinate. More...

RDCartesianPoint	cartesianCoordinate (RDGridPoint gridpoint)
	Calculate the polar stereographic coordinate from the given grid point. More...

RDGeographicalPoint	geographicalCoordinate (RDCartesianPoint p)
	Calculate geographical coordinate from the given polar stereographic coordinate. More...

RDGeographicalPoint	geographicalCoordinate (RDGridPoint p)
	Calculate geographical coordinate from the given polar stereographic coordinate. More...

RDGeographicalPointRad	geographicalCoordinateRad (RDCartesianPoint p)
	Calculate geographical coordinate from the given polar stereographic coordinate. More...

RDGeographicalPointRad	geographicalCoordinateRad (RDGridPoint p)
	Calculate geographical coordinate from the given polar stereographic coordinate. More...

RDGeographicalPointRad	toRad (RDGeographicalPoint p)
	Convert deg to radians. More...

RDGeographicalPoint	toDeg (RDGeographicalPointRad p)
	Convert radians to deg. More...

RDGeographicalPoint *	geographicalPolygonForGridpoint (RDGridPoint p, int &num)
	Calculate the geographical coordinates for the bounding box of the given grid point. More...

RDGridPoint	gridPoint (RDCartesianPoint p, bool &isInside)
	Calculate the nearest grid point for the given cartesian coordinate. More...

RDGridPoint	gridPoint (RDGeographicalPoint p, bool &isInside)
	Calculate the nearest grid point for the given geographical coordinate. More...

RDGridPoint	gridPoint (RDGeographicalPointRad p, bool &isInside)
	Calculate the nearest grid point for the given geographical coordinate. More...

RDGridQuadrant	RDQuadrant (RDGridPoint p)
	Find out what quadrant of the grid with respect to the grid's cartesian origin coordinates the given grid point resides in. More...

double	polarStereographicScalingFactor (double phi0, double phi)
	Scaling Factor for the polar stereographic projection. More...

Detailed Description

This class wraps a number of routines to deal with the radolan specific coordinate systems.

It provides methods for converting geographical coordinates into cartesian coordinates (within the radolan grid) as well as conversion from and to grid points - aka index pairs.

Definition at line 153 of file coordinate_system.h.

Constructor & Destructor Documentation

Radolan::RDCoordinateSystem::RDCoordinateSystem ( RDScanType type )

Constructs a coordinate system for a specific RDScanType.

Constructor.

Parameters

type

Member Function Documentation

RDCartesianPoint Radolan::RDCoordinateSystem::cartesianCoordinate ( RDGeographicalPointRad coord )

Calculate the polar stereographic coordinate from the given geographical coordinate.

Parameters

coord geographical coordinate in radians

Returns: cartesian coordinate in the polar stereographic coordinate system

RDCartesianPoint Radolan::RDCoordinateSystem::cartesianCoordinate ( RDGeographicalPoint coord )

Calculate the polar stereographic coordinate from the given geographical coordinate.

Parameters

coord geographical coordinate in deg

Returns: cartesian coordinate in the polar stereographic coordinate system

RDCartesianPoint Radolan::RDCoordinateSystem::cartesianCoordinate ( RDGridPoint gridpoint )

Calculate the polar stereographic coordinate from the given grid point.

Parameters

gridpoint grid point

Returns: cartesian coordinate in the polar stereographic coordinate system

RDGeographicalPoint Radolan::RDCoordinateSystem::geographicalCoordinate ( RDCartesianPoint p )

Calculate geographical coordinate from the given polar stereographic coordinate.

Parameters

p	cartesian coordinate in the polar stereographic coordinate system

Returns: geographical coordinate in deg

RDGeographicalPoint Radolan::RDCoordinateSystem::geographicalCoordinate ( RDGridPoint p )

Calculate geographical coordinate from the given polar stereographic coordinate.

Parameters

p	grid point

Returns: geographical coordinate in deg

RDGeographicalPointRad Radolan::RDCoordinateSystem::geographicalCoordinateRad ( RDCartesianPoint p )

Calculate geographical coordinate from the given polar stereographic coordinate.

Parameters

p	cartesian coordinate in the polar stereographic coordinate system

Returns: geographical coordinate in radians

RDGeographicalPointRad Radolan::RDCoordinateSystem::geographicalCoordinateRad ( RDGridPoint p )

Calculate geographical coordinate from the given polar stereographic coordinate.

Parameters

p	grid point

Returns: geographical coordinate in radians

RDGeographicalPoint* Radolan::RDCoordinateSystem::geographicalPolygonForGridpoint	(	RDGridPoint	p,
		int &	num
	)

Calculate the geographical coordinates for the bounding box of the given grid point.

Parameters

p	grid point
num	contains the number of points in the polygon after the call

Returns: array of geographical coordinates (the polygon's points)

RDGridPoint Radolan::RDCoordinateSystem::gridPoint	(	RDCartesianPoint	p,
		bool &	isInside
	)

Calculate the nearest grid point for the given cartesian coordinate.

Parameters

p	cartesian coordinate
isInside	contains the result of the bounds check. If given coordinate is outside the grid, this value will be false, otherwise true.

Returns: grid point

RDGridPoint Radolan::RDCoordinateSystem::gridPoint	(	RDGeographicalPoint	p,
		bool &	isInside
	)

Calculate the nearest grid point for the given geographical coordinate.

Parameters

p	geographical coordinate in deg
isInside	contains the result of the bounds check. If given coordinate is outside the grid, this value will be false, otherwise true.

Returns: grid point

RDGridPoint Radolan::RDCoordinateSystem::gridPoint	(	RDGeographicalPointRad	p,
		bool &	isInside
	)

Calculate the nearest grid point for the given geographical coordinate.

Parameters

p	geographical coordinate in radians
isInside	contains the result of the bounds check. If given coordinate is outside the grid, this value will be false, otherwise true.

Returns: grid point

double Radolan::RDCoordinateSystem::polarStereographicScalingFactor	(	double	phi0,
		double	phi
	)

Scaling Factor for the polar stereographic projection.

Parameters

phi0
phi

Returns: scaling factor.

RDGridQuadrant Radolan::RDCoordinateSystem::RDQuadrant ( RDGridPoint p )

Find out what quadrant of the grid with respect to the grid's cartesian origin coordinates the given grid point resides in.

Parameters

p	grid point

Returns: quadrant

void Radolan::RDCoordinateSystem::setScanType ( RDScanType type )

Changes the scan type.

Parameters

type scan type

RDGeographicalPoint Radolan::RDCoordinateSystem::toDeg ( RDGeographicalPointRad p )

Convert radians to deg.

Parameters

p	geographical coordinate in radians

Returns: geographical coordinate in deg

RDGeographicalPointRad Radolan::RDCoordinateSystem::toRad ( RDGeographicalPoint p )

Convert deg to radians.

Parameters

p	geographical coordinate in deg

Returns: geographical coordinate in radians

The documentation for this class was generated from the following file:

coordinate_system.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation