This class represents a date in the julian referential. More...

#include <JulianDate.h>

Public Member Functions
	JulianDate ()
	constructor More...

	~JulianDate ()
	Destructor. More...

	JulianDate (const JulianDate &rhs)
	Copy constructor. More...

	JulianDate (CivilDateTime &rhs)
	Constructor with date initialisation using a CivilDateTime. More...

	JulianDate (JSDDateTime &rhs)
	Constructor with date initialisation using a JSDDateTime. More...

	JulianDate (double julianDate)
	Constructor with date initialisation. More...

JulianDate &	operator= (const JulianDate &rhs)
	Affectation operator. More...

JulianDate &	operator+ (const JulianDate &rhs)
	Summation operator. More...

void	set_julianDate (double julianDate)

double	get_julianDate () const

int	AsJSDDateTime (JSDDateTime *JSDdate)
	This function converts the current JulianDate in JSDDateTime. More...

int	AsGMSTDateTime (GMSTDateTime *GMST)
	This function converts the current JulianDate into GMSTDateTime. More...

	operator JSDDateTime ()

	operator GMSTDateTime ()

Protected Attributes
double	_julianDate

Detailed Description

This class represents a date in the julian referential.

Definition at line 27 of file JulianDate.h.

Constructor & Destructor Documentation

◆ JulianDate() [1/5]

ossimplugins::JulianDate::JulianDate ( )

constructor

Definition at line 27 of file JulianDate.cpp.

                       :
   _julianDate(0.0)
 {
 }

◆ ~JulianDate()

ossimplugins::JulianDate::~JulianDate ( )

Destructor.

Definition at line 47 of file JulianDate.cpp.

48 {

49 }

◆ JulianDate() [2/5]

ossimplugins::JulianDate::JulianDate ( const JulianDate & rhs )

Copy constructor.

Definition at line 51 of file JulianDate.cpp.

                                            :
   _julianDate(rhs._julianDate)
 {
 }

◆ JulianDate() [3/5]

ossimplugins::JulianDate::JulianDate ( CivilDateTime & rhs )

Constructor with date initialisation using a CivilDateTime.

Definition at line 32 of file JulianDate.cpp.

References ossimplugins::CivilDateTime::AsJulianDate().

 {
   rhs.AsJulianDate(this);
 }

◆ JulianDate() [4/5]

ossimplugins::JulianDate::JulianDate ( JSDDateTime & rhs )

Constructor with date initialisation using a JSDDateTime.

Definition at line 42 of file JulianDate.cpp.

References ossimplugins::JSDDateTime::AsJulianDate().

 {
   rhs.AsJulianDate(this);
 }

◆ JulianDate() [5/5]

ossimplugins::JulianDate::JulianDate ( double julianDate )

Constructor with date initialisation.

Definition at line 37 of file JulianDate.cpp.

                                        :
   _julianDate(julianDate)
 {
 }

Member Function Documentation

◆ AsGMSTDateTime()

int ossimplugins::JulianDate::AsGMSTDateTime ( GMSTDateTime * GMST )

This function converts the current JulianDate into GMSTDateTime.

Returns: 0 if no error or an int greater than 0 indicating the error

Parameters

GMSTDateTime [out] The class that receives the result of the conversion of the current JulianDate into GMSTDateTime

Definition at line 84 of file JulianDate.cpp.

References _julianDate, ossimplugins::GMSTDateTime::AN1900, ossimplugins::GMSTDateTime::AN1950, ossimplugins::GMSTDateTime::AN2000, ossimplugins::GMSTDateTime::get_origine(), ossimplugins::CivilDateTime::JOURCIVIL_LENGTH, n, ossimplugins::GMSTDateTime::set_tms(), and TWOPI.

 {
   const double TWOPI      = 6.28318530717958647693 ;
   const double OMEGATERRE  = 6.28318530717958647693 / 86164.09054 ;
 
   int etat=0 , n ;
   double j0hTU = 0.0;
         double tsm0hTU = 0.0;
         double t = 0.0;
         double d = 0.0;
         double tsm = 0.0;
 
 
   n     = (int)(_julianDate - 0.5) ;
   j0hTU = (double)n + 0.5 ;
   d     = _julianDate - j0hTU ;
 
   if (etat == 0)
   {
     if (GMST->get_origine() == GMSTDateTime::AN1900)
     {
       t       = (j0hTU - 2415020.0) / 36525.0 ;
       tsm0hTU = 23925.836 + t * (8640184.542 + t * 0.0929) ;
       tsm0hTU = tsm0hTU * TWOPI / CivilDateTime::JOURCIVIL_LENGTH ;
     }
     else if (GMST->get_origine() == GMSTDateTime::AN1950)
     {
       t       = j0hTU - 2433281.5 ;
       tsm0hTU = 1.72944494 + t * 6.3003880987 ;
     }
     else if (GMST->get_origine() == GMSTDateTime::AN2000)
     {
       t       = (j0hTU - 2451545.0) / 36525.0 ;
       tsm0hTU =   24110.54841 + t * (8640184.812866 + t * (0.093103 - t * 6.210e-6)) ;
       tsm0hTU = tsm0hTU * TWOPI / CivilDateTime::JOURCIVIL_LENGTH ;
     }
     t = tsm0hTU + d * CivilDateTime::JOURCIVIL_LENGTH * OMEGATERRE ;
     tsm = fmod (t,TWOPI) ;
     if (tsm < 0.0)
     {
       tsm = tsm + TWOPI ;
     }
 
     GMST->set_tms(tsm);
   }
 
   return etat ;
 }

◆ AsJSDDateTime()

int ossimplugins::JulianDate::AsJSDDateTime ( JSDDateTime * JSDdate )

This function converts the current JulianDate in JSDDateTime.

Returns: 0 if no error or an int greater than 0 indicating the error

Parameters

JSDdate [out] The classe that receives the result of the conversion of the current JulianDate in JSDDateTime

Definition at line 68 of file JulianDate.cpp.

References _julianDate, ossimplugins::JSDDateTime::get_second(), ossimplugins::CivilDateTime::JOURCIVIL_LENGTH, ossimplugins::JSDDateTime::set_day0hTU(), ossimplugins::JSDDateTime::set_decimal(), and ossimplugins::JSDDateTime::set_second().

Referenced by ossimplugins::JSDDateTime::JSDDateTime().

 {
   int k ;
   double r ;
 
   k = (int)(_julianDate - 0.5) ;
   double jJul0hTU = (double)k + 0.5;
 
   JSDdate->set_day0hTU (jJul0hTU);
   r = (_julianDate - jJul0hTU) * CivilDateTime::JOURCIVIL_LENGTH ;
   JSDdate->set_second(floor (r));
   JSDdate->set_decimal(r - JSDdate->get_second()) ;
 
   return 0 ;
 }

◆ get_julianDate()

double ossimplugins::JulianDate::get_julianDate ( ) const

inline

Definition at line 70 of file JulianDate.h.

Referenced by ossimplugins::CivilDateTime::AsGMSTDateTime(), ossimplugins::JSDDateTime::AsGMSTDateTime(), ossimplugins::CivilDateTime::AsJSDDateTime(), ossimplugins::JSDDateTime::AsJulianDate(), ossimplugins::PlatformPosition::InitAuxiliaryData(), ossimplugins::PlatformPosition::Interpolate(), ossimplugins::JSDDateTime::NormDate(), ossimplugins::Ephemeris::saveState(), and ossimplugins::GalileanEphemeris::ToGeographic().

   {
     return _julianDate;
   }

◆ operator GMSTDateTime()

ossimplugins::JulianDate::operator GMSTDateTime ( )

Definition at line 140 of file JulianDate.cpp.

 {
   GMSTDateTime date;
   AsGMSTDateTime(&date);
   return date;
 }

◆ operator JSDDateTime()

ossimplugins::JulianDate::operator JSDDateTime ( )

Definition at line 133 of file JulianDate.cpp.

 {
   JSDDateTime date;
   AsJSDDateTime(&date);
   return date;
 }

◆ operator+()

JulianDate & ossimplugins::JulianDate::operator+ ( const JulianDate & rhs )

Summation operator.

Definition at line 62 of file JulianDate.cpp.

References _julianDate.

 {
   _julianDate += rhs._julianDate;
   return *this;
 }

◆ operator=()

JulianDate & ossimplugins::JulianDate::operator= ( const JulianDate & rhs )

Affectation operator.

Definition at line 56 of file JulianDate.cpp.

References _julianDate.

 {
   _julianDate = rhs._julianDate;
   return *this;
 }

◆ set_julianDate()

void ossimplugins::JulianDate::set_julianDate ( double julianDate )

inline

Definition at line 65 of file JulianDate.h.

Referenced by ossimplugins::CivilDateTime::AsJulianDate(), and ossimplugins::JSDDateTime::AsJulianDate().

   {
     _julianDate = julianDate;
   }

Member Data Documentation

◆ _julianDate

double ossimplugins::JulianDate::_julianDate

protected

Definition at line 95 of file JulianDate.h.

Referenced by AsGMSTDateTime(), AsJSDDateTime(), operator+(), and operator=().

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

Public Member Functions

Protected Attributes