Represents an instance in time. More...

#include <DateTime.h>

Public Member Functions
	DateTime ()

	DateTime (int64_t ticks)

	DateTime (unsigned int year, double doy)

	DateTime (int year, int month, int day)

	DateTime (int year, int month, int day, int hour, int minute, int second)

void	Initialise (int year, int month, int day, int hour, int minute, int second, int microsecond)

int	DayOfYear (int year, int month, int day) const

double	AbsoluteDays (unsigned int year, double doy) const

int	AbsoluteDays (int year, int month, int day) const

TimeSpan	TimeOfDay () const

int	DayOfWeek () const

bool	Equals (const DateTime &dt) const

int	Compare (const DateTime &dt) const

DateTime	AddYears (const int years) const

DateTime	AddMonths (const int months) const

DateTime	Add (const TimeSpan &t) const

DateTime	AddDays (const double days) const

DateTime	AddHours (const double hours) const

DateTime	AddMinutes (const double minutes) const

DateTime	AddSeconds (const double seconds) const

DateTime	AddMicroseconds (const double microseconds) const

DateTime	AddTicks (int64_t ticks) const

int64_t	Ticks () const

void	FromTicks (int &year, int &month, int &day) const

int	Year () const

int	Month () const

int	Day () const

int	Hour () const

int	Minute () const

int	Second () const

int	Microsecond () const

double	ToJulian () const

double	ToGreenwichSiderealTime () const

double	ToJ2000 () const

double	ToLocalMeanSiderealTime (const double lon) const

std::string	ToString () const

Static Public Member Functions
static DateTime	Now (bool useMicroseconds=false)

static bool	IsLeapYear (int year)

static bool	IsValidYear (int year)

static bool	IsValidYearMonth (int year, int month)

static bool	IsValidYearMonthDay (int year, int month, int day)

static int	DaysInMonth (int year, int month)

Private Attributes
int64_t	m_encoded

Detailed Description

Represents an instance in time.

Constructor & Destructor Documentation

DateTime::DateTime ( )

inline

Default contructor Initialise to 0001/01/01 00:00:00.000000

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DateTime::DateTime ( int64_t ticks )

inline

Constructor

Parameters

[in] ticks raw tick value

DateTime::DateTime	(	unsigned int	year,
		double	doy
	)

inline

Constructor

Parameters

[in]	year	the year
[in]	doy	the day of the year

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DateTime::DateTime	(	int	year,
		int	month,
		int	day
	)

inline

Constructor

Parameters

[in]	year	the year
[in]	month	the month
[in]	day	the day

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DateTime::DateTime	(	int	year,
		int	month,
		int	day,
		int	hour,
		int	minute,
		int	second
	)

inline

Constructor

Parameters

[in]	year	the year
[in]	month	the month
[in]	day	the day
[in]	hour	the hour
[in]	minute	the minute
[in]	second	the second

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Member Function Documentation

double DateTime::AbsoluteDays	(	unsigned int	year,
		double	doy
	)		const

inline

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int DateTime::AbsoluteDays	(	int	year,
		int	month,
		int	day
	)		const

inline

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DateTime DateTime::Add ( const TimeSpan & t ) const

inline

Add a TimeSpan to this DateTime

Parameters

[in] t the TimeSpan to add

Returns: a DateTime which has the given TimeSpan added

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DateTime DateTime::AddDays ( const double days ) const

inline

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DateTime DateTime::AddHours ( const double hours ) const

inline

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DateTime DateTime::AddMicroseconds ( const double microseconds ) const

inline

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DateTime DateTime::AddMinutes ( const double minutes ) const

inline

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DateTime DateTime::AddMonths ( const int months ) const

inline

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DateTime DateTime::AddSeconds ( const double seconds ) const

inline

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DateTime DateTime::AddTicks ( int64_t ticks ) const

inline

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DateTime DateTime::AddYears ( const int years ) const

inline

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int DateTime::Compare ( const DateTime & dt ) const

inline

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int DateTime::Day ( ) const

inline

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int DateTime::DayOfWeek ( ) const

inline

int DateTime::DayOfYear	(	int	year,
		int	month,
		int	day
	)		const

inline

Find the day of the year given the year/month/day

Parameters

[in]	year	the year
[in]	month	the month
[in]	day	the day

Returns: the day of the year

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static int DateTime::DaysInMonth	(	int	year,
		int	month
	)

inlinestatic

Find the number of days in a month given the year/month

Parameters

[in]	year	the year
[in]	month	the month

Returns: the days in the given month

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bool DateTime::Equals ( const DateTime & dt ) const

inline

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void DateTime::FromTicks	(	int &	year,
		int &	month,
		int &	day
	)		const

inline

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int DateTime::Hour ( ) const

inline

Hour component

Returns: the hour component

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void DateTime::Initialise	(	int	year,
		int	month,
		int	day,
		int	hour,
		int	minute,
		int	second,
		int	microsecond
	)

inline

Constructor

Parameters

[in]	year	the year
[in]	month	the month
[in]	day	the day
[in]	hour	the hour
[in]	minute	the minute
[in]	second	the second
[in]	microsecond	the microsecond

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static bool DateTime::IsLeapYear ( int year )

inlinestatic

Find whether a year is a leap year

Parameters

[in] year the year to check

Returns: whether the year is a leap year

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static bool DateTime::IsValidYear ( int year )

inlinestatic

Checks whether the given year is valid

Parameters

[in] year the year to check

Returns: whether the year is valid

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static bool DateTime::IsValidYearMonth	(	int	year,
		int	month
	)

inlinestatic

Check whether the year/month is valid

Parameters

[in]	year	the year to check
[in]	month	the month to check

Returns: whether the year/month is valid

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static bool DateTime::IsValidYearMonthDay	(	int	year,
		int	month,
		int	day
	)

inlinestatic

Check whether the year/month/day is valid

Parameters

[in]	year	the year to check
[in]	month	the month to check
[in]	day	the day to check

Returns: whether the year/month/day is valid

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int DateTime::Microsecond ( ) const

inline

Microsecond component

Returns: the microsecond component

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int DateTime::Minute ( ) const

inline

Minute component

Returns: the minute component

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int DateTime::Month ( ) const

inline

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static DateTime DateTime::Now ( bool useMicroseconds = false )

inlinestatic

Return the current time

Parameters

[in] microseconds whether to set the microsecond component

Returns: a DateTime object set to the current date and time

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int DateTime::Second ( ) const

inline

Second component

Returns: the Second component

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int64_t DateTime::Ticks ( ) const

inline

Get the number of ticks

Returns: the number of ticks

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TimeSpan DateTime::TimeOfDay ( ) const

inline

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double DateTime::ToGreenwichSiderealTime ( ) const

inline

Convert to greenwich sidereal time

Returns: the greenwich sidereal time

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double DateTime::ToJ2000 ( ) const

inline

Return the modified julian date since the j2000 epoch January 1, 2000, at 12:00 TT

Returns: the modified julian date

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double DateTime::ToJulian ( ) const

inline

Convert to a julian date

Returns: the julian date

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double DateTime::ToLocalMeanSiderealTime ( const double lon ) const

inline

Convert to local mean sidereal time (GMST plus the observer's longitude)

Parameters

[in] lon observers longitude

Returns: the local mean sidereal time

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std::string DateTime::ToString ( ) const

inline

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int DateTime::Year ( ) const

inline

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Member Data Documentation

int64_t DateTime::m_encoded

private

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

/home/travis/build/TUW-VieVS/VieSchedpp/SGP4/DateTime.h

Public Member Functions

Static Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation