no.kartverket.geodesy

Class Geodesy

java.lang.Object

no.kartverket.geodesy.Geodesy

public class Geodesy
extends java.lang.Object

Created by hg on 30.05.2017.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Geodesy.Coords_xy

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static Href_grid	_hrefGrid
(package private) static double	GeoidH_Kartverket
(package private) static double	GeoidH_Norkart
(package private) static double	lat_Kartverket
(package private) static double	lat_Norkart
(package private) static double	lon_Kartverket
(package private) static double	lon_Norkart
(package private) static double	UTM_E0
(package private) static double	UTM_f
(package private) static double	UTM_N0
(package private) static int	UTM_zone
(package private) static double	WGS84_a
(package private) static double	WGS84_f

Constructor Summary

Constructors

Constructor and Description
Geodesy()

Method Summary

Modifier and Type	Method and Description
static double	GetGeoidHeight_old(double lat_deg, double lon_deg)
static double	GetGeoidHeight(double lat_deg, double lon_deg) Read geoid height from href file.
static void	initHREF(android.content.Context context)
static boolean	IsPositionCloseKartverket(double lat_deg, double lon_deg)
static boolean	IsPositionCloseNorkart(double lat_deg, double lon_deg)
static void	latlon2utm(Geodesy.Coords_xy latlon_deg, Geodesy.Coords_xy NE) From lat,lon (deg) to UTM (north, east)
static double	meridian_convergence(double lat_deg, double lon_deg) Calculate meridian convergence from lat/lon
static double	meridionalRadius(double lat_deg)
static double	normalRadius(double lat_deg)
static double	scale(double lat_deg, double lon_deg) Calculate scale from spheroid to UTM
static void	utm2latlon(Geodesy.Coords_xy NE, Geodesy.Coords_xy latlon_deg) From UTM (north, east) to lat,lon (deg)

Methods inherited from class java.lang.Object

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

Field Detail

lat_Kartverket

static final double lat_Kartverket

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Constant Field Values

lon_Kartverket

static final double lon_Kartverket

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Constant Field Values

lat_Norkart

static final double lat_Norkart

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Constant Field Values

lon_Norkart

static final double lon_Norkart

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Constant Field Values

GeoidH_Norkart

static final double GeoidH_Norkart

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Constant Field Values

GeoidH_Kartverket

static final double GeoidH_Kartverket

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Constant Field Values

WGS84_a

static final double WGS84_a

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Constant Field Values

WGS84_f

static final double WGS84_f

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Constant Field Values

UTM_zone

static final int UTM_zone

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Constant Field Values

UTM_f

static final double UTM_f

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Constant Field Values

UTM_N0

static final double UTM_N0

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Constant Field Values

UTM_E0

static final double UTM_E0

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Constant Field Values

_hrefGrid

static Href_grid _hrefGrid

Constructor Detail

Geodesy

public Geodesy()

Method Detail

IsPositionCloseNorkart

public static boolean IsPositionCloseNorkart(double lat_deg,
                                             double lon_deg)

IsPositionCloseKartverket

public static boolean IsPositionCloseKartverket(double lat_deg,
                                                double lon_deg)

latlon2utm

public static void latlon2utm(Geodesy.Coords_xy latlon_deg,
                              Geodesy.Coords_xy NE)

From lat,lon (deg) to UTM (north, east)

Parameters:

latlon_deg -

NE -

utm2latlon

public static void utm2latlon(Geodesy.Coords_xy NE,
                              Geodesy.Coords_xy latlon_deg)

From UTM (north, east) to lat,lon (deg)

Parameters:

NE -

latlon_deg -

meridian_convergence

public static double meridian_convergence(double lat_deg,
                                          double lon_deg)

Calculate meridian convergence from lat/lon

Parameters:

lat_deg -

lon_deg -

Returns:

Meridian covergence in radians

scale

public static double scale(double lat_deg,
                           double lon_deg)

Calculate scale from spheroid to UTM

Parameters:

lat_deg -

lon_deg -

GetGeoidHeight_old

public static double GetGeoidHeight_old(double lat_deg,
                                        double lon_deg)

initHREF

public static void initHREF(android.content.Context context)

GetGeoidHeight

public static double GetGeoidHeight(double lat_deg,
                                    double lon_deg)

Read geoid height from href file.

Parameters:

lat_deg -

lon_deg -

Returns:

Geoid height

meridionalRadius

public static double meridionalRadius(double lat_deg)

normalRadius

public static double normalRadius(double lat_deg)