#include <Comet.hpp>

Public Member Functions
	Comet (const QString &englishName, double equatorialRadius, double oblateness, Vec3f halocolor, float albedo, float roughness, float outgas_intensity, float outgas_falloff, const QString &texMapName, const QString &objModelName, posFuncType _coordFunc, KeplerOrbit orbitPtr, OsculatingFunctType osculatingFunc, bool closeOrbit, bool hidden, const QString &pTypeStr, float dustTailWidthFact=1.5f, float dustTailLengthFact=0.4f, float dustTailBrightnessFact=1.5f)

virtual QVariantMap	getInfoMap (const StelCore *core) const Q_DECL_OVERRIDE
	In addition to Planet::getInfoMap(), Comets provides estimates for. More...

virtual float	getVMagnitude (const StelCore *core) const Q_DECL_OVERRIDE

virtual void	translateName (const StelTranslator &trans) Q_DECL_OVERRIDE
	sets the nameI18 property with the appropriate translation. More...

virtual QString	getEnglishName (void) const Q_DECL_OVERRIDE
	Return object's name in english.

virtual QString	getNameI18n (void) const Q_DECL_OVERRIDE
	Return translated object's name.

void	setAbsoluteMagnitudeAndSlope (const float magnitude, const float slope)
	sets absolute magnitude and slope parameter. More...

virtual double	getSiderealPeriod () const Q_DECL_OVERRIDE
	get sidereal period for comet, days, or returns 0 if not possible (parabolic, hyperbolic orbit)

virtual void	draw (StelCore *core, float maxMagLabels, const QFont &planetNameFont) Q_DECL_OVERRIDE
	re-implementation of Planet's draw()

virtual void	update (int deltaTime) Q_DECL_OVERRIDE

Public Member Functions inherited from Planet
	Planet (const QString &englishName, double equatorialRadius, double oblateness, Vec3f halocolor, float albedo, float roughness, const QString &texMapName, const QString &normalMapName, const QString &objModelName, posFuncType _coordFunc, Orbit anOrbitPtr, OsculatingFunctType osculatingFunc, bool closeOrbit, bool hidden, bool hasAtmosphere, bool hasHalo, const QString &pTypeStr)

virtual QString	getInfoString (const StelCore *core, const InfoStringGroup &flags) const Q_DECL_OVERRIDE
	Get a string with data about the Planet. More...

virtual double	getCloseViewFov (const StelCore *core) const Q_DECL_OVERRIDE
	Return the best FOV in degree to use for a close view of the object.

virtual double	getSatellitesFov (const StelCore *core) const Q_DECL_OVERRIDE
	Return the best FOV in degree to use for a global view of the object satellite system (if there are satellites)

virtual double	getParentSatellitesFov (const StelCore *core) const Q_DECL_OVERRIDE

virtual float	getSelectPriority (const StelCore *core) const Q_DECL_OVERRIDE
	Return a priority value which is used to discriminate objects by priority As for magnitudes, the lower is the higher priority.

virtual Vec3f	getInfoColor (void) const Q_DECL_OVERRIDE
	Get a color used to display info about the object.

virtual QString	getType (void) const Q_DECL_OVERRIDE
	Return object's type. It should be the name of the class.

virtual QString	getID (void) const Q_DECL_OVERRIDE
	Returns a unique identifier for this object. More...

virtual Vec3d	getJ2000EquatorialPos (const StelCore *core) const Q_DECL_OVERRIDE
	Get observer-centered equatorial coordinates at equinox J2000.

QString	getCommonEnglishName (void) const

QString	getCommonNameI18n (void) const

virtual double	getAngularSize (const StelCore *core) const Q_DECL_OVERRIDE
	Get angular semidiameter, degrees. If planet display is artificially enlarged (e.g. Moon upscale), value will also be increased.

virtual bool	hasAtmosphere (void)

virtual bool	hasHalo (void)

float	getAxisRotation (void)

double	getEquatorialRadius (void) const
	Get the equator radius of the planet in AU. More...

double	getOneMinusOblateness (void) const
	Get the value (1-f) for oblateness f.

double	getPolarRadius (void) const
	Get the polar radius of the planet in AU. More...

double	getSiderealDay (void) const
	Get duration of sidereal day.

double	getMeanSolarDay (void) const
	Get duration of mean solar day, in earth days.

double	getAlbedo (void) const
	Get albedo.

const QString &	getTextMapName () const

const QString	getPlanetTypeString () const

PlanetType	getPlanetType () const

Orbit *	getOrbit () const

void	setNativeName (QString planet)

void	setIAUMoonNumber (QString designation)
	set the IAU moon number (designation of the moon), if any.

float	getAbsoluteMagnitude () const
	Return the absolute magnitude (read from file ssystem.ini)

float	getMeanOppositionMagnitude () const
	Return the mean opposition magnitude, defined as V(1,0)+5log10(a(a-1)) A return value of 100 signals invalid result. More...

double	getSiderealTime (double JD, double JDE) const
	Compute the z rotation to use from equatorial to geographic coordinates. More...

Mat4d	getRotEquatorialToVsop87 (void) const

void	setRotEquatorialToVsop87 (const Mat4d &m)

const RotationElements &	getRotationElements (void) const

void	setRotationElements (float _period, float _offset, double _epoch, float _obliquity, float _ascendingNode, float _precessionRate, double _siderealPeriod)

double	getRotAscendingNode (void) const

double	getRotObliquity (double JDE) const

virtual void	computePosition (const double dateJDE)
	Compute the position in the parent Planet coordinate system.

void	computeTransMatrix (double JD, double JDE)
	Compute the transformation matrix from the local Planet coordinate to the parent Planet coordinate. More...

double	getPhaseAngle (const Vec3d &obsPos) const
	Get the phase angle (radians) for an observer at pos obsPos in heliocentric coordinates (in AU)

double	getElongation (const Vec3d &obsPos) const
	Get the elongation angle (radians) for an observer at pos obsPos in heliocentric coordinates (in AU)

double	getSpheroidAngularSize (const StelCore *core) const
	Get the angular radius (degrees) of the planet spheroid (i.e. without the rings)

float	getPhase (const Vec3d &obsPos) const
	Get the planet phase (illuminated fraction of the planet disk, [0=dark..1=full]) for an observer at pos obsPos in heliocentric coordinates (in AU)

Vec3d	getEclipticPos (double dateJDE) const
	Get the Planet position in the parent Planet ecliptic coordinate in AU.

Vec3d	getEclipticPos () const

Vec3d	getHeliocentricEclipticPos () const
	Return the heliocentric ecliptical position.

Vec3d	getHeliocentricEclipticPos (double dateJDE) const

Vec3d	getHeliocentricPos (Vec3d p) const
	Return the heliocentric transformation for local (parentocentric) coordinate. More...

void	setHeliocentricEclipticPos (const Vec3d &pos)
	Propagate the heliocentric coordinates to parentocentric coordinates. More...

Vec3d	getEclipticVelocity () const
	Get the planet velocity around the parent planet in ecliptical coordinates in AU/d.

Vec3d	getHeliocentricEclipticVelocity () const
	Get the planet's heliocentric velocity in the solar system in ecliptical coordinates in AU/d. Required for aberration!

double	computeDistance (const Vec3d &obsHelioPos)
	Compute and return the distance to the given position in heliocentric ecliptical (J2000) coordinates (in AU)

double	getDistance (void) const
	Return the last computed distance to the given position in heliocentric ecliptical (J2000) coordinates (in AU)

void	setRings (Ring *r)

void	setSphereScale (double s)

double	getSphereScale () const

const QSharedPointer< Planet >	getParent (void) const

void	setFlagHints (bool b)

bool	getFlagHints (void) const

void	setFlagLabels (bool b)

bool	getFlagLabels (void) const

void	setFlagNativeName (bool b)

bool	getFlagNativeName (void) const

void	setFlagTranslatedName (bool b)

bool	getFlagTranslatedName (void) const

void	setFlagOrbits (bool b)

bool	getFlagOrbits (void) const

void	drawOrbit (const StelCore *)

QVector< const Planet * >	getCandidatesForShadow () const
	Return the list of planets which project some shadow on this planet.

Public Member Functions inherited from StelObject
virtual SphericalRegionP	getRegion () const
	Default implementation of the getRegion method. More...

virtual Vec3d	getPointInRegion () const
	Default implementation of the getPointInRegion method. More...

Vec3d	getEquinoxEquatorialPos (const StelCore *core) const
	Get observer-centered equatorial coordinate at the current equinox The frame has its Z axis at the planet's current rotation axis At time 2000-01-01 this frame is almost the same as J2000, but ONLY if the observer is on earth.

Vec3d	getEquinoxEquatorialPosApparent (const StelCore *core) const
	Like getEquinoxEquatorialPos(core), but always adds refraction correction to the position.

Vec3d	getEquinoxEquatorialPosAuto (const StelCore *core) const
	Like getEquinoxEquatorialPos(core), but adds refraction correction to the position if atmosphere is active.

Vec3d	getGalacticPos (const StelCore *core) const
	Get observer-centered galactic coordinates.

Vec3d	getSupergalacticPos (const StelCore *core) const
	Get observer-centered supergalactic coordinates.

Vec3d	getSiderealPosGeometric (const StelCore *core) const
	Get observer-centered hour angle + declination (at current equinox) It is the geometric position, i.e. More...

Vec3d	getSiderealPosApparent (const StelCore *core) const
	Get observer-centered hour angle + declination (at current equinox) It is the apparent position, i.e. More...

Vec3d	getAltAzPosGeometric (const StelCore *core) const
	Get observer-centered alt/az position It is the geometric position, i.e. More...

Vec3d	getAltAzPosApparent (const StelCore *core) const
	Get observer-centered alt/az position It is the apparent position, i.e. More...

Vec3d	getAltAzPosAuto (const StelCore *core) const
	Get observer-centered alt/az position It is the automatic position, i.e. More...

float	getParallacticAngle (const StelCore *core) const
	Get parallactic angle, which is the deviation between zenith angle and north angle. [radians].

bool	isAboveHorizon (const StelCore *core) const
	Checking position an object above mathematical horizon for current location. More...

bool	isAboveRealHorizon (const StelCore *core) const
	Checking position an object above real horizon for current location. More...

Vec3f	getRTSTime (StelCore *core) const
	Get today's time of rise, transit and set for celestial object for current location. More...

float	getVMagnitudeWithExtinction (const StelCore *core) const
	Return object's apparent V magnitude as seen from observer including extinction. More...

Protected Member Functions
virtual QString	getInfoStringAbsoluteMagnitude (const StelCore *core, const InfoStringGroup &flags) const Q_DECL_OVERRIDE

virtual QString	getInfoStringSize (const StelCore *core, const InfoStringGroup &flags) const Q_DECL_OVERRIDE
	Any flag=Size information to be displayed.

virtual QString	getInfoStringExtra (const StelCore *core, const InfoStringGroup &flags) const Q_DECL_OVERRIDE
	Any flag=Extra information to be displayed at the end.

Protected Member Functions inherited from Planet
virtual QString	getInfoStringName (const StelCore *core, const InfoStringGroup &flags) const

virtual QString	getInfoStringExtraMag (const StelCore *core, const InfoStringGroup &flags) const
	Any flag=Extra information to be displayed after the magnitude strings.

virtual QString	getInfoStringEloPhase (const StelCore *core, const InfoStringGroup &flags, const bool withIllum) const
	Return elongation and phase angle when flags=Elongation.

virtual QString	getInfoStringPeriods (const StelCore *core, const InfoStringGroup &flags) const
	Return sidereal and synodic periods when flags=Extra.

void	computeModelMatrix (Mat4d &result) const

void	computeOrbit ()
	Update the orbit position values.

Vec3f	getCurrentOrbitColor () const

QString	getSkyLabel (const StelCore *core) const

void	draw3dModel (StelCore *core, StelProjector::ModelViewTranformP transfo, float screenSz, bool drawOnlyRing=false)

bool	drawObjModel (StelPainter *painter, float screenSz)

bool	drawObjShadowMap (StelPainter *painter, QMatrix4x4 &shadowMatrix)

bool	ensureObjLoaded ()
	Starts the OBJ loading process, if it has not been done yet. More...

void	drawSphere (StelPainter *painter, float screenSz, bool drawOnlyRing=false)

void	drawSurvey (StelCore core, StelPainter painter)

void	drawHints (const StelCore *core, const QFont &planetNameFont)

PlanetOBJModel *	loadObjModel () const

Protected Member Functions inherited from StelObject
QString	getCommonInfoString (const StelCore *core, const InfoStringGroup &flags) const
	Format the positional info string containing J2000/of date/altaz/hour angle positions and constellation, sidereal time, etc. More...

virtual QString	getMagnitudeInfoString (const StelCore *core, const InfoStringGroup &flags, const double alt_app, const int decimals=1) const
	Format the magnitude info string for the object. More...

void	postProcessInfoString (QString &str, const InfoStringGroup &flags) const
	Apply post processing on the info string. More...

Friends
class	SolarSystem

Additional Inherited Members
Public Types inherited from Planet
enum	PlanetType { isStar, isPlanet, isMoon, isObserver, isArtificial, isAsteroid, isPlutino, isComet, isDwarfPlanet, isCubewano, isSDO, isOCO, isSednoid, isInterstellar, isUNDEFINED }
	numeric typecodes for the type descriptions in ssystem.ini

enum	PlanetOrbitColorStyle { ocsOneColor, ocsGroups, ocsMajorPlanets }

enum	ApparentMagnitudeAlgorithm { Mueller_1893, AstronomicalAlmanac_1984, ExplanatorySupplement_1992, ExplanatorySupplement_2013, UndefinedAlgorithm, Generic }

Public Types inherited from StelObject
enum	InfoStringGroupFlags { None = 0x00000000, Name = 0x00000001, CatalogNumber = 0x00000002, Magnitude = 0x00000004, RaDecJ2000 = 0x00000008, RaDecOfDate = 0x00000010, AltAzi = 0x00000020, Distance = 0x00000040, Elongation = 0x00000080, Size = 0x00000100, Velocity = 0x00000200, ProperMotion = 0x00000400, Extra = 0x00000800, HourAngle = 0x00001000, AbsoluteMagnitude = 0x00002000, GalacticCoord = 0x00004000, SupergalacticCoord = 0x00008000, OtherCoord = 0x00010000, ObjectType = 0x00020000, EclipticCoordJ2000 = 0x00040000, EclipticCoordOfDate = 0x00080000, IAUConstellation = 0x00100000, SiderealTime = 0x00200000, RTSTime = 0x00400000, Script = 0x00800000, DebugAid = 0x01000000, NoFont = 0x02000000, PlainText = 0x04000000 }
	Used as named bitfield flags as specifiers to filter results of getInfoString. More...

Public Slots inherited from StelObject
virtual void	setExtraInfoString (const InfoStringGroup &flags, const QString &str)
	Allow additions to the Info String. More...

virtual void	addToExtraInfoString (const StelObject::InfoStringGroup &flags, const QString &str)
	Add str to the extra string. More...

QStringList	getExtraInfoStrings (const InfoStringGroup &flags) const
	Retrieve an (unsorted) QStringList of all extra info strings that match flags. More...

void	removeExtraInfoStrings (const InfoStringGroup &flags)
	Remove the extraInfoStrings with the given flags. More...

Static Public Member Functions inherited from Planet
static void	init ()
	Initializes static vars. Must be called before creating first planet.

static ApparentMagnitudeAlgorithm	getApparentMagnitudeAlgorithm ()

static const QString	getApparentMagnitudeAlgorithmString ()

static void	setApparentMagnitudeAlgorithm (QString algorithm)

static void	setApparentMagnitudeAlgorithm (ApparentMagnitudeAlgorithm algorithm)

static float	getPAsun (const Vec3d &sunPos, const Vec3d &objPos)
	Get the position angle of the illuminated limb of a planet The result depends on the arguments' coordinate system which must be identical. More...

static void	setLabelColor (const Vec3f &lc)

static const Vec3f &	getLabelColor (void)

static void	setOrbitColor (const Vec3f &oc)

static const Vec3f &	getOrbitColor ()

static void	setMajorPlanetOrbitColor (const Vec3f &oc)

static const Vec3f &	getMajorPlanetOrbitColor ()

static void	setMoonOrbitColor (const Vec3f &oc)

static const Vec3f &	getMoonOrbitColor ()

static void	setMinorPlanetOrbitColor (const Vec3f &oc)

static const Vec3f &	getMinorPlanetOrbitColor ()

static void	setDwarfPlanetOrbitColor (const Vec3f &oc)

static const Vec3f &	getDwarfPlanetOrbitColor ()

static void	setCubewanoOrbitColor (const Vec3f &oc)

static const Vec3f &	getCubewanoOrbitColor ()

static void	setPlutinoOrbitColor (const Vec3f &oc)

static const Vec3f &	getPlutinoOrbitColor ()

static void	setScatteredDiscObjectOrbitColor (const Vec3f &oc)

static const Vec3f &	getScatteredDiscObjectOrbitColor ()

static void	setOortCloudObjectOrbitColor (const Vec3f &oc)

static const Vec3f &	getOortCloudObjectOrbitColor ()

static void	setCometOrbitColor (const Vec3f &oc)

static const Vec3f &	getCometOrbitColor ()

static void	setSednoidOrbitColor (const Vec3f &oc)

static const Vec3f &	getSednoidOrbitColor ()

static void	setInterstellarOrbitColor (const Vec3f &oc)

static const Vec3f &	getInterstellarOrbitColor ()

static void	setMercuryOrbitColor (const Vec3f &oc)

static const Vec3f &	getMercuryOrbitColor ()

static void	setVenusOrbitColor (const Vec3f &oc)

static const Vec3f &	getVenusOrbitColor ()

static void	setEarthOrbitColor (const Vec3f &oc)

static const Vec3f &	getEarthOrbitColor ()

static void	setMarsOrbitColor (const Vec3f &oc)

static const Vec3f &	getMarsOrbitColor ()

static void	setJupiterOrbitColor (const Vec3f &oc)

static const Vec3f &	getJupiterOrbitColor ()

static void	setSaturnOrbitColor (const Vec3f &oc)

static const Vec3f &	getSaturnOrbitColor ()

static void	setUranusOrbitColor (const Vec3f &oc)

static const Vec3f &	getUranusOrbitColor ()

static void	setNeptuneOrbitColor (const Vec3f &oc)

static const Vec3f &	getNeptuneOrbitColor ()

Data Fields inherited from Planet
bool	flagNativeName

bool	flagTranslatedName

LinearFader	orbitFader

Vec3d	orbit [ORBIT_SEGMENTS+1]

double	deltaJDE

double	deltaOrbitJDE

bool	closeOrbit

Static Public Attributes inherited from Planet
static const QString	PLANET_TYPE

static Vec3f	orbitColor

static Vec3f	orbitMajorPlanetsColor

static Vec3f	orbitMoonsColor

static Vec3f	orbitMinorPlanetsColor

static Vec3f	orbitDwarfPlanetsColor

static Vec3f	orbitCubewanosColor

static Vec3f	orbitPlutinosColor

static Vec3f	orbitScatteredDiscObjectsColor

static Vec3f	orbitOortCloudObjectsColor

static Vec3f	orbitCometsColor

static Vec3f	orbitSednoidsColor

static Vec3f	orbitInterstellarColor

static Vec3f	orbitMercuryColor

static Vec3f	orbitVenusColor

static Vec3f	orbitEarthColor

static Vec3f	orbitMarsColor

static Vec3f	orbitJupiterColor

static Vec3f	orbitSaturnColor

static Vec3f	orbitUranusColor

static Vec3f	orbitNeptuneColor

static PlanetOrbitColorStyle	orbitColorStyle

Static Public Attributes inherited from StelObject
static const InfoStringGroupFlags	AllInfo
	A pre-defined set of specifiers for the getInfoString flags argument to getInfoString. More...

static const InfoStringGroupFlags	ShortInfo = static_cast<InfoStringGroupFlags>(Name\|CatalogNumber\|Magnitude\|RaDecJ2000)
	A pre-defined set of specifiers for the getInfoString flags argument to getInfoString.

Protected Attributes inherited from Planet
QString	englishName

QString	nameI18

QString	nativeName

QString	texMapName

QString	normalMapName

RotationElements	re

double	equatorialRadius

double	oneMinusOblateness

Vec3d	eclipticPos

Vec3d	eclipticVelocity

Vec3d	screenPos

Vec3f	haloColor

float	absoluteMagnitude

float	albedo

float	roughness

float	outgas_intensity

float	outgas_falloff

Mat4d	rotLocalToParent

float	axisRotation

StelTextureSP	texMap

StelTextureSP	normalMap

PlanetOBJModel *	objModel

QFuture< PlanetOBJModel * > *	objModelLoader

QString	objModelPath

HipsSurveyP	survey

Ring *	rings

double	distance

double	sphereScale

double	lastJDE

posFuncType	coordFunc

Orbit *	orbitPtr

OsculatingFunctType *const	osculatingFunc

QSharedPointer< Planet >	parent

QList< QSharedPointer< Planet > >	satellites

LinearFader	hintFader

LinearFader	labelsFader

bool	flagLabels

bool	hidden

bool	atmosphere

bool	halo

PlanetType	pType

bool	multisamplingEnabled_

QOpenGLFunctions *	gl

Static Protected Attributes inherited from Planet
static StelTextureSP	texEarthShadow

static ApparentMagnitudeAlgorithm	vMagAlgorithm

static bool	shaderError

static Vec3f	labelColor

static StelTextureSP	hintCircleTex

static const QMap< PlanetType, QString >	pTypeMap

static const QMap< ApparentMagnitudeAlgorithm, QString >	vMagAlgorithmMap

static bool	drawMoonHalo

static bool	permanentDrawingOrbits
	If true, planet orbits will be drawn even if planet is off screen.

static bool	flagCustomGrsSettings

static double	customGrsJD

static int	customGrsLongitude

static double	customGrsDrift

static int	orbitsThickness

Detailed Description

Author: Bogdan Marinov, Georg Zotti (orbit computation enhancements, tails)

Some of the code in this class is re-used from the parent Planet class.

Member Function Documentation

◆ getInfoMap()

virtual QVariantMap Comet::getInfoMap ( const StelCore * core ) const

virtual

tail-length-km
coma-diameter-km using the formula from Guide found by the GSoC2012 initiative at http://www.projectpluto.com/update7b.htm#comet_tail_formula

Reimplemented from Planet.

◆ getVMagnitude()

virtual float Comet::getVMagnitude ( const StelCore * core ) const

virtual

Reimplemented from Planet.

◆ setAbsoluteMagnitudeAndSlope()

void Comet::setAbsoluteMagnitudeAndSlope	(	const float	magnitude,
		const float	slope
	)

These are the parameters in the IAU's two-parameter magnitude system for comets. They are used to calculate the apparent magnitude at different distances from the Sun. They are not used in the same way as the same parameters in MinorPlanet.

◆ translateName()

virtual void Comet::translateName ( const StelTranslator & trans )

virtual

Function overriden to handle the problem with name conflicts.

Reimplemented from Planet.

Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ getInfoMap()

◆ getVMagnitude()

◆ setAbsoluteMagnitudeAndSlope()

◆ translateName()