#include <cGeospatial.h>

Inheritance diagram for GrayLib::cGeoSunRise:

Public Member Functions
	cGeoSunRise (void)

	~cGeoSunRise (void)

HRESULT	Set (const cTimeDouble &t, const cGeoPos &p, TZ_TYPE nTimeZoneOffset)

	UNITTEST_FRIEND (cGeospatial)

Public Member Functions inherited from GrayLib::cTypeF< double >
const float	k_MinPos

const double	k_MinPos

const float	k_MaxSqrt

const double	k_MaxSqrt

const float	k_Epsilon

const double	k_Epsilon

const float	k_PI

const double	k_PI

const float	k_PI2

const double	k_PI2

const float	k_PIHalf

const double	k_PIHalf

const float	k_e

const double	k_e

const float	k_Log2e

const double	k_Log2e

const float	k_Log10e

const double	k_Log10e

const float	k_Ln2

const double	k_Ln2

const float	k_Ln10

const double	k_Ln10

Public Attributes
double	m_Declination
	radians More...

double	m_DayLength
	double hours. More...

double	m_SunAltAtNoon
	sun altitude at noon in radians. More...

double	m_tCivilAM
	AM time in the day. double hours. dawn. More...

double	m_tSunRise
	AM time in the day. double hours. More...

double	m_tSolarNoon
	double hours. true noon. More...

double	m_tSunSet
	PM time in the day. double hours. More...

double	m_tCivilPM
	PM time in the day. double hours. dusk. More...

Protected Member Functions
double	FNrange (double x)

double	f0 (double lat, double declin)

double	f1 (double lat, double declin)

Additional Inherited Members
Public Types inherited from GrayLib::cGeospatial
typedef cVecT2< double >	VEC_t

Static Public Member Functions inherited from GrayLib::cGeospatial
static double GRAYCALL	GetDistMeters (const cGeoPos &p1, const cGeoPos &p2)

static cGeoPos GRAYCALL	AddDistMeters (const cGeoPos &p1, double dx, double dy)

Static Public Member Functions inherited from Gray::cTypeLimit< double >
static bool	isNumSigned () noexcept

Static Public Attributes inherited from GrayLib::cGeospatial
static const double	k_EarthRadiusMeters = 6371000.0
	= 6371000.0; More...

static const double	k_SunDia = 0.53
	= 0.53; // Sun radius degrees. (for daylight time) More...

static const double	k_AirRefr = 34.0 / 60.0
	= 34.0 / 60.0; // atmospheric refraction degrees (for daylight time) More...

Static Public Attributes inherited from GrayLib::cTypeF< double >
static const double	k_MinPos
	The min value that is positive and > 0. AKA FLT_MIN and DBL_MIN. More...

static const double	k_MaxSqrt
	The square root of <= k_Max. Not Max+1. More...

static const double	k_Epsilon
	smallest positive value such that (1.0+FLT_EPSILON != 1.0) More...

static const double	k_PI
	PI as a float or double. like M_PI, D3DX_PI. More...

static const double	k_PI2
	PI times 2. M_PI. More...

static const double	k_PIHalf
	Half PI. More...

static const double	k_e
	M_E = 2.718281828... More...

static const double	k_Log2e
	M_LOG2E = log2(e) = 1/ln(2) More...

static const double	k_Log10e
	M_LOG10E = log10(e) = 1/ln(10) More...

static const double	k_Ln2
	M_LN2 = ln(2) = 1/log2(e) More...

static const double	k_Ln10
	M_LN10 = ln(10) = 1/log10(e) More...

Static Public Attributes inherited from Gray::cTypeLimit< double >
static const double	k_Min
	Min value TYPE can represent. negative if signed type. NOT EPSILON (near zero). e.g. INT_MIN, -FLT_MAX. More...

static const double	k_Max
	Max positive value. Can equal this value. inclusive. AKA INT_MAX, FLT_MAX, DBL_MAX. More...

static const BYTE	k_TypeFlags
	CTYPE_FLAG_TYPE_ = float, signed, etc ? More...

Detailed Description

Calculate sunrise/set at a position on Earth. http://williams.best.vwh.net/sunrise_sunset_example.htm http://www.esrl.noaa.gov/gmd/grad/solcalc/sunrise.html http://suncalc.net

Constructor & Destructor Documentation

◆ cGeoSunRise()

GrayLib::cGeoSunRise::cGeoSunRise ( void )

◆ ~cGeoSunRise()

GrayLib::cGeoSunRise::~cGeoSunRise ( void )

Member Function Documentation

◆ f0()

double GrayLib::cGeoSunRise::f0	(	double	lat,
		double	declin
	)

protected

Calculating the hourangle Correction: different sign at S HS

◆ f1()

double GrayLib::cGeoSunRise::f1	(	double	lat,
		double	declin
	)

protected

Calculating the hourangle for twilight times Correction: different sign at S HS

◆ FNrange()

double GrayLib::cGeoSunRise::FNrange ( double x )

protected

the function below returns an angle in the range 0 to 2*k_PI

◆ Set()

HRESULT GrayLib::cGeoSunRise::Set	(	const cTimeDouble &	t,
		const cGeoPos &	p,
		TZ_TYPE	nTimeZoneOffset
	)

Set the time and position on earth and figure out sunrise/sunset times for that Day/Place. Get the days to J2000 (UTC) http://en.wikipedia.org/wiki/Julian_year_%28astronomy%29 nTimeZoneOffsetHours = -5 = EST timezone offset. hours

◆ UNITTEST_FRIEND()

GrayLib::cGeoSunRise::UNITTEST_FRIEND ( cGeospatial )

Member Data Documentation

◆ m_DayLength

double GrayLib::cGeoSunRise::m_DayLength

double hours.

◆ m_Declination

double GrayLib::cGeoSunRise::m_Declination

radians

◆ m_SunAltAtNoon

double GrayLib::cGeoSunRise::m_SunAltAtNoon

sun altitude at noon in radians.

◆ m_tCivilAM

double GrayLib::cGeoSunRise::m_tCivilAM

AM time in the day. double hours. dawn.

◆ m_tCivilPM

double GrayLib::cGeoSunRise::m_tCivilPM

PM time in the day. double hours. dusk.

◆ m_tSolarNoon

double GrayLib::cGeoSunRise::m_tSolarNoon

double hours. true noon.

◆ m_tSunRise

double GrayLib::cGeoSunRise::m_tSunRise

AM time in the day. double hours.

◆ m_tSunSet

double GrayLib::cGeoSunRise::m_tSunSet

PM time in the day. double hours.

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

c:/Dennis/Source/Gray/GrayLib/include/Geometry/cGeospatial.h
c:/Dennis/Source/Gray/GrayLib/src/Geometry/cGeospatial.cpp

Public Member Functions

Public Attributes

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ cGeoSunRise()

◆ ~cGeoSunRise()

Member Function Documentation

◆ f0()

◆ f1()

◆ FNrange()

◆ Set()

◆ UNITTEST_FRIEND()

Member Data Documentation

◆ m_DayLength

◆ m_Declination

◆ m_SunAltAtNoon

◆ m_tCivilAM

◆ m_tCivilPM

◆ m_tSolarNoon

◆ m_tSunRise

◆ m_tSunSet