geolocation.h

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/***************************************************************************
                          geolocation.h  -  K Desktop Planetarium
                             -------------------
    begin                : Sun Feb 11 2001
    copyright            : (C) 2001-2005 by Jason Harris
    email                : jharris@30doradus.org
    copyright            : (C) 2003-2005 by Pablo de Vicente
    email                : p.devicente@wanadoo.es
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef GEOLOCATION_H_
#define GEOLOCATION_H_

#include <klocale.h>

#include "dms.h"
#include "timezonerule.h"
#include "kstarsdatetime.h"

class GeoLocation {
public:
    GeoLocation(dms lng, dms lat,
                const QString &name="Nowhere",
                const QString &province="Nowhere",
                const QString &country="Nowhere",
                double TZ=0, TimeZoneRule *TZrule=NULL, int iEllips=4, double hght=-10 );

    GeoLocation(double x, double y, double z,
                const QString &name="Nowhere",
                const QString &province="Nowhere",
                const QString &country="Nowhere",
                double TZ=0, TimeZoneRule *TZrule=NULL, int iEllips=4 );

    const dms* lng() const { return &Longitude; }

    const dms* lat() const { return &Latitude; }

    double height() const { return Height; }

    double xPos() const { return PosCartX; }

    double yPos() const { return PosCartY; }

    double zPos() const { return PosCartZ; }

    int ellipsoid() const { return indexEllipsoid; }

    QString name() const { return Name; }

    QString translatedName() const;

    QString province() const { return Province; }

    QString translatedProvince() const;

    QString country() const { return Country; }

    QString translatedCountry() const;

    QString fullName() const;

    double TZ0() const { return TimeZone; }

    double TZ() const { if( TZrule ) return TimeZone + TZrule->deltaTZ(); return TimeZone; }

    TimeZoneRule* tzrule() { return TZrule; }

    void setLong( dms l ) {
        Longitude = l;
        geodToCart();
    }

    void setLat( dms l ) {
        Latitude  = l;
        geodToCart();
    }

    void setHeight( double hg ) {
        Height  = hg;
        geodToCart();
    }

    void setXPos( double x ) {
        PosCartX  = x;
        cartToGeod();
    }
    void setYPos( double y ) {
        PosCartY  = y;
        cartToGeod();
    }
    void setZPos( double z ) {
        PosCartZ  = z;
        cartToGeod();
    }

    void changeEllipsoid( int i );

    void setName( const QString &n ) { Name = n; }

    void setProvince( const QString &n ) { Province = n; }

    void setCountry( const QString &n ) { Country = n; }

    void cartToGeod();

    void geodToCart();

    void setEllipsoid( int i );

    dms GSTtoLST( const dms &gst ) const { return dms( gst.Degrees() + Longitude.Degrees() ); }
    dms LSTtoGST( const dms &lst ) const { return dms( lst.Degrees() - Longitude.Degrees() ); }

    KStarsDateTime UTtoLT( const KStarsDateTime &ut ) const { return ut.addSecs( int( 3600.*TZ() ) ); }
    KStarsDateTime LTtoUT( const KStarsDateTime &lt ) const { return lt.addSecs( int( -3600.*TZ() ) ); }


    void TopocentricVelocity(double vtopo[], dms gt);

    double LMST( double jd );

private:
    dms Longitude, Latitude;
    QString Name, Province, Country;
    TimeZoneRule *TZrule;
    double TimeZone, Height;
    double axis, flattening;
    long double PosCartX, PosCartY, PosCartZ;
    int indexEllipsoid;
};

#endif