Class StarSet

java.lang.Object

gaiasky.scene.component.ParticleSet

gaiasky.scene.component.StarSet

All Implemented Interfaces:

com.badlogic.ashley.core.Component, IDisposable

public class StarSet
extends ParticleSet

Contains the parameters for star sets. These are groups of stars that are rendered together.

Nested Class Summary

Nested classes/interfaces inherited from class ParticleSet

ParticleSet.RenderTarget, ParticleSet.ShadingStyle, ParticleSet.ShadingType

Modifier and Type	Class	Description
static enum	ParticleSet.RenderTarget
static enum	ParticleSet.ShadingStyle	Controls whether the brightness twinkles.
static enum	ParticleSet.ShadingType	Shading type, for lighting the particles.

Field Summary

Fields

Modifier and Type	Field	Description
double	modelDist
int	numBillboards	Number of particles to render as a billboard for this group.
double	variabilityEpochJd	Epoch for the times in the light curves in julian days.
boolean	variableStars	Does this contain variable stars?

Fields inherited from class ParticleSet

addedToMainIndex, allowStreaks, ambientLight, B31, B32, candidateFocusIndex, ccMax, ccMin, colorFromTexture, colorNoise, columnInfoList, cPosD, currDeltaYears, D31, D32, datafile, disposed, entity, epochJd, factor, fixedAngularSize, focus, focusDistToCamera, focusIndex, focusPosition, focusPositionSph, focusSize, focusSolidAngle, focusSolidAngleApparent, generateIndex, index, indices, invisibilityArray, isElements, isExtended, isStars, labelColors, labelDisplayAlways, labelDisplayNever, lastSortCameraPos, lastSortTime, mat, maxDistance, meanDistance, meanPosition, metadata, minDistance, model, modelFile, modelParams, modelPrimitive, modelType, numLabels, particleSizeLimits, pointData, profileDecay, provider, providerParams, proximity, proximityDescriptorsLocation, proximityDescriptorsPath, proximityLoaded, proximityLoadingFlag, proximityLoadOnFocus, proximityMissing, proximityThreshold, renderParticleLabels, renderParticles, renderSetLabel, renderTarget, shadingStyle, shadingType, sizeNoise, sphericalPower, textureArray, textureAttribute, textureFiles, updaterTask

Modifier and Type	Field	Description
boolean	addedToMainIndex	Flag that flips when the particle set has been added to the main index.
boolean	allowStreaks	Whether to allow the star streaks effect, where particles get stretched in the direction of motion when the camera moves.
float	ambientLight	Ambient light for billboard and spherical lighting.
protected final Vector3Q	B31
protected final Vector3Q	B32
int	candidateFocusIndex	Candidate to focus.
float[]	ccMax	Mapping colors.
float[]	ccMin	Mapping colors.
boolean	colorFromTexture	Assign a different color to each texture.
float	colorNoise	Noise factor for the color in [0,1].
List<uk.ac.starlink.table.ColumnInfo>	columnInfoList	List of ColumnInfo objects for the data in this set.
Vector3Q	cPosD	Last sort position.
double	currDeltaYears	Current computed epoch time.
protected final Vector3D	D31
protected final Vector3D	D32
String	datafile	Path of data file.
boolean	disposed	Set has been disposed.
com.badlogic.ashley.core.Entity	entity	Reference to the entity.
double	epochJd	Epoch for positions/proper motions in julian days.
Double	factor	Factor to apply to the data points, usually to normalize distances.
double	fixedAngularSize	Fixed angular size for all particles in this set, in radians.
IParticleRecord	focus	Reference to the current focus.
double	focusDistToCamera	FOCUS_MODE attributes.
int	focusIndex	Index of the particle acting as focus.
Vector3Q	focusPosition	Position of the current focus.
Vector2D	focusPositionSph	Position in equatorial coordinates of the current focus in radians.
double	focusSize	FOCUS_MODE attributes.
double	focusSolidAngle	FOCUS_MODE attributes.
double	focusSolidAngleApparent	FOCUS_MODE attributes.
boolean	generateIndex	Whether to generate an index or not.
FastObjectIntMap<String>	index	Name to array index.
int[]	indices	Indices buffer.
com.badlogic.gdx.utils.IntSet	invisibilityArray	Indices of stars that are not visible.
boolean	isElements	Flag indicating whether the particle set holds Keplerian elements particles (type ParticleKepler).
boolean	isExtended	Flag indicating whether the particle set holds extended particles.
boolean	isStars	Flag indicating whether the particle set holds stars or particles (extended or not).
com.badlogic.gdx.utils.IntMap<float[]>	labelColors	Particles with special label colors.
com.badlogic.gdx.utils.IntSet	labelDisplayAlways	Indices of particles for which labelDisplay is set to Label.LabelDisplay.ALWAYS.
com.badlogic.gdx.utils.IntSet	labelDisplayNever	Indices of particles for which labelDisplay is set to Label.LabelDisplay.NEVER.
Vector3Q	lastSortCameraPos	Last sort position.
double	lastSortTime	Stores the time when the last sort operation finished, in seconds.
protected final Matrix4D	mat	Auxiliary matrix.
double	maxDistance
double	meanDistance	The mean distance from the origin of all points in this group.
Vector3D	meanPosition	Temporary storage for the mean position of this particle set, if it is given externally.
double[]	metadata	Metadata, for sorting - holds distances from each particle to the camera, squared.
double	minDistance
IntModel	model	The loaded model pointed by modelFile.
String	modelFile	Model file to use (obj, g3db, g3dj, gltf, glb).
Map<String,Object>	modelParams	Parameters for the model, in case 'modelType' is used.
int	modelPrimitive	Render primitive.
String	modelType	Default model type to use for the particles of this set.
int	numLabels	Number of labels to render for this group.
double[]	particleSizeLimits	Particle size limits for the quad renderer (using quads as GL_TRIANGLES).
List<IParticleRecord>	pointData	List that contains the point data.
float	profileDecay	Profile decay of the particles in the shader, when using quads and plain ParticleSet.ShadingType.
String	provider	Fully qualified name of data provider class.
Map<String,Object>	providerParams	Parameters for the data provider.
Proximity	proximity	Proximity particles.
String	proximityDescriptorsLocation	Proximity loading location, the location of the directory that contains descriptor JSON files with the name of objects in the dataset.
Path	proximityDescriptorsPath	The path for proximity loading.
com.badlogic.gdx.utils.IntSet	proximityLoaded	Set that contains the indexes of the particles whose descriptors have already been loaded.
boolean	proximityLoadingFlag	Flag that indicates whether this particle set has proximity loading.
boolean	proximityLoadOnFocus	Flag that indicates whether loading should also happen on focus.
com.badlogic.gdx.utils.IntSet	proximityMissing	Contains the indices of the particles whose descriptors are not present.
double	proximityThreshold	Threshold solid angle when loading happens.
boolean	renderParticleLabels	Whether to render particle labels at all for this set.
boolean	renderParticles	This flag enables muting particle rendering.
boolean	renderSetLabel	Whether to render the global set label or not.
ParticleSet.RenderTarget	renderTarget	Render target for the particles of this set.
ParticleSet.ShadingStyle	shadingStyle	Shading style to use for this set.
ParticleSet.ShadingType	shadingType	The shading type, for lighting the particles.
double	sizeNoise	The noise in the size determination for particles.
float	sphericalPower	Controls how sharply the sphere edges darken (higher values = more pronounced sphere appearance with darker edges).
com.badlogic.gdx.graphics.TextureArray	textureArray	Reference to the texture array containing the textures for this set, if any.
String	textureAttribute	The texture attribute is an attribute in the original table that points to the texture to use.
String[]	textureFiles	Texture files to use for rendering the particles, at random.
ParticleSetUpdaterTask	updaterTask	Updater task.

Constructor Summary

Constructors

Constructor	Description
StarSet()

Method Summary

Modifier and Type	Method	Description
double	getCandidateSolidAngleApparent()
Vector3Q	getClosestAbsolutePos(Vector3Q out)
float[]	getClosestCol()
double	getClosestDistToCamera()
Vector3D	getClosestPos(Vector3D out)
double	getClosestSize()
int	getHip()
double	getSolidAngleApparent(int index)	Returns the apparent solid angle of the star with the given index.
void	markForUpdate(Render render)
void	setVariabilityEpoch(Double epochJd)	Sets the light curve epoch to use for the stars in this group.
void	setVariabilityEpochJd(Double epochJd)	Sets the light curve epoch to use for the stars in this group.
void	updateFocus(ICamera camera)	Updates the parameters of the focus, if the focus is active in this group.

Methods inherited from class ParticleSet

canSelect, data, dispose, fetchPosition, fetchPositionDouble, generateIndex, get, getAbsolutePosition, getAbsolutePosition, getAbsolutePosition, getAbsolutePosition, getAbsolutePosition, getAbsolutePosition, getAlpha, getCandidateBean, getCandidateId, getCandidateName, getClosestLocalizedName, getClosestName, getColorMax, getColorMin, getDelta, getDeltaYears, getDistToCamera, getFirstParticleName, getFocusSize, getId, getLocalizedName, getMaxDistance, getMeanDistance, getMinDistance, getName, getNames, getNextSequence, getPosSph, getRadius, getRadius, getSize, getSize, getSolidAngle, getSolidAngleApparent, getTEff, hasName, hasName, isBillboard, isForceLabel, isModel, isRenderLabel, isRenderLabel, isVisible, isWireframe, makeFocus, regenerateIndex, setAmbientLight, setColorFromTexture, setColorMax, setColorMax, setColorMin, setColorMin, setColornoise, setColorNoise, setColumnInfoList, setData, setData, setDatafile, setDataFile, setDescriptorsLocation, setEpoch, setEpochJd, setExtended, setFactor, setFixedAngularSize, setFixedAngularSizeDeg, setFixedAngularSizeRad, setFocusIndex, setFocusIndex, setForceLabel, setGenerateIndex, setLabelColor, setLabelDisplay, setMeanPosition, setMeanPositionKm, setMeanPositionPc, setModelParams, setModelPrimitive, setModelType, setNumLabels, setParticlesizelimits, setParticleSizeLimits, setParticleSizeLimitsDeg, setPosition, setPosition, setPositionKm, setPositionPc, setPosKm, setPosPc, setProfiledecay, setProfileDecay, setProviderparams, setProviderParams, setProximityDescriptors, setProximityDescriptorsLocation, setProximityLoadOnFocus, setProximityThreshold, setProximityThresholdDeg, setProximityThresholdRad, setRenderLabel, setRenderParticles, setRenderSetLabel, setRenderTarget, setRenderTarget, setShadingStyle, setShadingType, setShadingType, setSizeNoise, setSphericalPower, setTexture, setTextureAttribute, setTextures, setUniformEpoch, setVisible, setVisible, updateFocusDataPos, updateNumLabelsValue

Modifier and Type	Method	Description
boolean	canSelect(FilterView view)
List<IParticleRecord>	data()	Returns the list of particles.
void	dispose(com.badlogic.ashley.core.Entity entity)
Vector3Q	fetchPosition(IParticleRecord pb, Vector3Q camPos, Vector3Q out, double deltaYears)	Fetches the real position of the particle.
Vector3D	fetchPositionDouble(IParticleRecord pb, Vector3Q camPos, Vector3D out, double deltaYears)	Fetches the real position of the particle.
FastObjectIntMap<String>	generateIndex(List<IParticleRecord> pointData)	Generates the index (maps name to array index) and computes the geometric center of this group
IParticleRecord	get(int index)
Vector3Q	getAbsolutePosition(IParticleRecord object, Instant date, Vector3Q out)	Returns the position of the given object at the given date, if any, in the out vector.
Vector3Q	getAbsolutePosition(Vector3Q out)	Returns the current focus position, if any, in the out vector.
Vector3D	getAbsolutePosition(String name, Vector3D out)	Returns the absolute position of the particle with the given name.
Vector3Q	getAbsolutePosition(String name, Vector3Q out)	Returns the absolute position of the particle with the given name.
Vector3Q	getAbsolutePosition(String name, Instant date, Vector3Q out)	Returns the position of the object with the given name at the given date, if any, in the out vector.
Vector3Q	getAbsolutePosition(Instant date, Vector3Q out)	Returns the current focus position at the given date, if any, in the out vector.
double	getAlpha()
IParticleRecord	getCandidateBean()
long	getCandidateId()
String	getCandidateName()
String	getClosestLocalizedName()
String	getClosestName()
float[]	getColorMax()
float[]	getColorMin()
double	getDelta()
double	getDeltaYears()	Returns the delta years to integrate the proper motion.
double	getDistToCamera()
String	getFirstParticleName()	Gets the name of a random particle in this group
double	getFocusSize()	Default size if not in data, 1e5 km
long	getId()
String	getLocalizedName()
double	getMaxDistance()
double	getMeanDistance()
double	getMinDistance()
String	getName()
String[]	getNames()
static long	getNextSequence()
Vector2D	getPosSph()
double	getRadius()
double	getRadius(int i)
double	getSize()
double	getSize(int i)	Returns the size of the particle at index i
double	getSolidAngle()
double	getSolidAngleApparent()
double	getTEff()
boolean	hasName(String candidate)
boolean	hasName(String candidate, boolean matchCase)
boolean	isBillboard()
boolean	isForceLabel(String name)
boolean	isModel()
boolean	isRenderLabel(int idx)
boolean	isRenderLabel(String name)
boolean	isVisible(int index)	Checks whether the particle with the given index is visible
boolean	isWireframe()
void	makeFocus()
void	regenerateIndex()	Regenerates the name index
void	setAmbientLight(Double ambient)
void	setColorFromTexture(boolean colorFromTexture)
void	setColorMax(double[] colorMax)
void	setColorMax(float[] colorMax)
void	setColorMin(double[] colorMin)
void	setColorMin(float[] colorMin)
void	setColornoise(Double colorNoise)	Deprecated. Use ParticleSet.setColorNoise(Double).
void	setColorNoise(Double colorNoise)
void	setColumnInfoList(List<uk.ac.starlink.table.ColumnInfo> columnInfoList)
void	setData(List<IParticleRecord> pointData)
void	setData(List<IParticleRecord> pointData, boolean regenerateIndex)
void	setDatafile(String dataFile)
void	setDataFile(String dataFile)
void	setDescriptorsLocation(String loc)
void	setEpoch(Double epochJd)	Sets the epoch to use for the stars in this set.
void	setEpochJd(Double epochJd)	Sets the epoch to use for the stars in this set.
void	setExtended(Boolean extended)
void	setFactor(Double factor)
void	setFixedAngularSize(Double fixedAngularSize)	Set fixed angular size, in radians.
void	setFixedAngularSizeDeg(Double fixedAngularSizeDeg)	Set fixed angular size, in degrees.
void	setFixedAngularSizeRad(Double fixedAngularSizeRad)	Set fixed angular size, in radians.
void	setFocusIndex(int index)
void	setFocusIndex(String name)
void	setForceLabel(Boolean forceLabel, String name)
void	setGenerateIndex(boolean generateIndex)
void	setLabelColor(float[] color, String name)
void	setLabelDisplay(Label.LabelDisplay state, String name)
void	setMeanPosition(double[] pos)
void	setMeanPositionKm(double[] pos)
void	setMeanPositionPc(double[] pos)
void	setModelParams(Map<String,Object> params)
void	setModelPrimitive(String modelPrimitive)
void	setModelType(String modelType)
void	setNumLabels(Long numLabels)
void	setParticlesizelimits(double[] sizeLimits)
void	setParticleSizeLimits(double[] sizeLimits)
void	setParticleSizeLimitsDeg(double[] sizeLimits)
void	setPosition(double[] pos)
void	setPosition(int[] pos)
void	setPositionKm(double[] pos)
void	setPositionPc(double[] pos)
void	setPosKm(double[] pos)
void	setPosPc(double[] pos)
void	setProfiledecay(Double profiledecay)	Deprecated. Use ParticleSet.setProfileDecay(Double).
void	setProfileDecay(Double profileDecay)
void	setProviderparams(Map<String,Object> params)
void	setProviderParams(Map<String,Object> params)
void	setProximityDescriptors(String loc)
void	setProximityDescriptorsLocation(String loc)
void	setProximityLoadOnFocus(Boolean proxLoadOnFocus)
void	setProximityThreshold(Double thRadians)
void	setProximityThresholdDeg(Double thDegrees)
void	setProximityThresholdRad(Double thRadians)
void	setRenderLabel(Boolean renderLabel, String name)
void	setRenderParticles(Boolean renderParticles)
void	setRenderSetLabel(Boolean renderSetLabel)
void	setRenderTarget(Long renderTarget)
void	setRenderTarget(String renderTarget)
void	setShadingStyle(String style)
void	setShadingType(int type)
void	setShadingType(String type)
void	setSizeNoise(Double sizeNoise)	Set the size noise.
void	setSphericalPower(Double power)
void	setTexture(String texture)
void	setTextureAttribute(String textureAttribute)
void	setTextures(String[] textures)
void	setUniformEpoch(boolean uniformEpoch)
void	setVisible(boolean visible, String name, Render render)
void	setVisible(int index, boolean visible, Render render)	Sets the visibility of the particle with the given index.
void	updateFocusDataPos()
void	updateNumLabelsValue(int n, com.badlogic.ashley.core.Entity e)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

variabilityEpochJd

public double variabilityEpochJd

Epoch for the times in the light curves in julian days.

modelDist

public double modelDist

variableStars

public boolean variableStars

Does this contain variable stars?

numBillboards

public int numBillboards

Number of particles to render as a billboard for this group.

Constructor Details

StarSet

public StarSet()

Method Details

updateFocus

public void updateFocus(ICamera camera)

Updates the parameters of the focus, if the focus is active in this group. This version is special for star sets, and uses the double-precision version of fetchPosition() for speed.

Overrides:

updateFocus in class ParticleSet

Parameters:

camera - The current camera

setVariabilityEpoch

public void setVariabilityEpoch(Double epochJd)

Sets the light curve epoch to use for the stars in this group.

Parameters:

epochJd - The light curve epoch in julian days (days since January 1, 4713 BCE).

setVariabilityEpochJd

public void setVariabilityEpochJd(Double epochJd)

Sets the light curve epoch to use for the stars in this group.

Parameters:

epochJd - The light curve epoch in julian days (days since January 1, 4713 BCE).

getHip

public int getHip()

getCandidateSolidAngleApparent

public double getCandidateSolidAngleApparent()

Overrides:

getCandidateSolidAngleApparent in class ParticleSet

getSolidAngleApparent

public double getSolidAngleApparent(int index)

Returns the apparent solid angle of the star with the given index.

Overrides:

getSolidAngleApparent in class ParticleSet

Parameters:

index - The index in the star list.

Returns:

The apparent solid angle.

getClosestDistToCamera

public double getClosestDistToCamera()

getClosestSize

public double getClosestSize()

getClosestPos

public Vector3D getClosestPos(Vector3D out)

getClosestAbsolutePos

public Vector3Q getClosestAbsolutePos(Vector3Q out)

getClosestCol

public float[] getClosestCol()

markForUpdate

public void markForUpdate(Render render)

Overrides:

markForUpdate in class ParticleSet