us.zuercher.gpx2map.coord
Class Conversions

java.lang.Object
  us.zuercher.gpx2map.coord.Conversions

public final class Conversions
extends Object

Conversions provides conversion methods between various coordinate systems.

Author:

Stephan Zuercher

Field Summary

private static double	EccentricityCubed
private static double	EccentricityHexed
private static double	EccentricitySquared
private static double	EquatorialRadius
private static double	K0
private static double	m1
private static double	m2
private static double	m3
private static double	m4
private static double	p1
private static double	p2
private static double	p3
private static double	PIOVER180

Constructor Summary

private

Conversions()

Method Summary

static UTM	convertToUtm(LatLon latLon) Converts latitude/longitude to UTM.
static double	deg2rad(double degrees) Convert degrees to radians.
static double	degreeLatToLatMeters(double latitude) Converts a given latitude to the number of meters per latitude degree, taking the latitude into account.
static double	degreeLatToLonMeters(double latitude) Converts a given latitude to the number of meters per longitude degree, taking the latitude into account.
static char	latitudeToUtmLetter(double latitude) Convert the given latitude to the correct UTM letter designator.
static double	rad2deg(double radians) Convert radians to degrees

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

p3

private static final double p3

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Constant Field Values

p2

private static final double p2

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p1

private static final double p1

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m4

private static final double m4

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m3

private static final double m3

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m1

private static final double m1

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m2

private static final double m2

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PIOVER180

private static final double PIOVER180

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Constant Field Values

K0

private static final double K0

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Constant Field Values

EquatorialRadius

private static final double EquatorialRadius

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Constant Field Values

EccentricitySquared

private static final double EccentricitySquared

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Constant Field Values

EccentricityCubed

private static final double EccentricityCubed

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Constant Field Values

EccentricityHexed

private static final double EccentricityHexed

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Constant Field Values

Constructor Detail

Conversions

private Conversions()

Method Detail

convertToUtm

public static UTM convertToUtm(LatLon latLon)

Converts latitude/longitude to UTM.

Parameters:

latLon - the latitude/longitude to convert

Returns:

a UTM object representing latitude/longitude

latitudeToUtmLetter

public static char latitudeToUtmLetter(double latitude)

Convert the given latitude to the correct UTM letter designator. Returns 'Z' if the latitude is outside the UTM limits.

Parameters:

latitude - the latitude to convert to a UTM letter designator.

Returns:

the UTM letter designator for the latitude.

deg2rad

public static double deg2rad(double degrees)

Convert degrees to radians.

Parameters:

degrees -

Returns:

radians

rad2deg

public static double rad2deg(double radians)

Convert radians to degrees

Parameters:

radians -

Returns:

degrees

degreeLatToLatMeters

public static double degreeLatToLatMeters(double latitude)

Converts a given latitude to the number of meters per latitude degree, taking the latitude into account.

Parameters:

latitude - degrees latitude

Returns:

meters/degree latitude for the given latitude

degreeLatToLonMeters

public static double degreeLatToLonMeters(double latitude)

Converts a given latitude to the number of meters per longitude degree, taking the latitude into account.

Parameters:

latitude - degrees latitude

Returns:

meters/degree longitude at the given latitude