org.stellarium.astro
Class Nebula

java.lang.Object
  org.stellarium.StelObject
      org.stellarium.StelObjectBase
          org.stellarium.astro.Nebula

public class Nebula
extends StelObjectBase

Version:

0.8.2

Author:

Jerome Beau, Fred Simon

Nested Class Summary

static class

Nebula.NebulaType

Nested classes/interfaces inherited from class org.stellarium.StelObject

StelObject.TYPE

Field Summary

private double	angularSize Angular size in radians
(package private) static SColor	circleColor
(package private) static double	circleScale Define the sclaing of the hints circle
private java.lang.String	credit Nebula image credit
private static char	endl
(package private) java.lang.String	englishName English name
(package private) static boolean	flagBright Define if nebulae must be drawn in bright mode
(package private) static double	hintsBrightness
private int	icNb Index Catalog number
private double	incLum Local counter for symbol animation
(package private) static SColor	labelColor
private double	luminance Object luminance to use (value computed to compensate the texture avergae luminosity)
(package private) double	mag Apparent magnitude
private int	messierNb Messier Catalog number
(package private) java.lang.String	nameI18 Nebula name
private STexture	nebTex Texture
(package private) static SFontIfc	nebulaFontIfc Font used for names printing
private int	ngcNb New General Catalog number
(package private) Nebula.NebulaType	nType Nebula Type
(package private) static double	RADIUS_NEB
private double	texAvgLuminance avg luminance of the texture (saved here for performance)
(package private) static STexture	texCircle The symbolic circle texture
private javax.vecmath.Point3d[]	texQuadVertex The 4 vertex used to draw the nebula texture
private static java.lang.String[]	UNKNOWN_TYPE_NAMES
(package private) javax.vecmath.Point3d	XY Store temporary 2D position
(package private) javax.vecmath.Point3d	XYZ Cartesian equatorial position

Fields inherited from class org.stellarium.StelObjectBase

DEFAULT_COLOR

Constructor Summary

Nebula()

Method Summary

(package private) void	drawChart(DefaultProjector prj, Navigator nav)
(package private) void	drawCircle(DefaultProjector prj, Navigator nav)
(package private) void	drawName(DefaultProjector prj)
(package private) void	drawNoTex(DefaultProjector prj, Navigator nav, ToneReproductor eye)
(package private) void	drawTex(DefaultProjector prj, Navigator nav, ToneReproductor eye)
double	getAngularSize()
double	getCloseFOV(NavigatorIfc nav) Tree.Return the best FOV in degree to use for a close view of the object
javax.vecmath.Point3d	getEarthEquPos(NavigatorIfc nav) Get position in earth equatorial frame
int	getIcNb()
java.lang.String	getInfoString(NavigatorIfc nav) Write I18n information about the object in wstring.
int	getMessierNb()
int	getNgcNb()
float	getOnScreenSize(Projector prj, NavigatorIfc nav) Return the radius of a circle containing the object on screen
java.lang.String	getShortInfoString(NavigatorIfc nav) The returned wstring can typically be used for object labeling in the sky
StelObject.TYPE	getType() Tree.Return object's type
java.lang.String	getTypeString()
(package private) boolean	hasTex()
(package private) boolean	readNGC(java.lang.String recordstr) Read the record entry and fill the members
(package private) void	readTexture(java.lang.String record) Read nebula data from file and compute x,y and z;
(package private) void	setCircleColor(SColor v)
void	setEnglishName(java.lang.String englishName)
(package private) void	setLabelColor(SColor v)
void	setMessierNb(int mNb)
void	translateName(Translator trans) Translate nebula name using the passed translator

Methods inherited from class org.stellarium.StelObjectBase

deleteTextures, drawPointer, getBrightestStarInConstellation, getEnglishName, getMag, getMag, getNameI18n, getObsJ2000Pos, getParentSatellitesFOV, getRGB, getSatellitesFOV, initTextures, release, retain, update

Methods inherited from class org.stellarium.StelObject

getUninitializedObject

Methods inherited from class java.lang.Object

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

Field Detail

endl

private static final char endl

See Also:

Constant Field Values

UNKNOWN_TYPE_NAMES

private static final java.lang.String[] UNKNOWN_TYPE_NAMES

RADIUS_NEB

static final double RADIUS_NEB

See Also:

Constant Field Values

messierNb

private int messierNb

Messier Catalog number

ngcNb

private int ngcNb

New General Catalog number

icNb

private int icNb

Index Catalog number

englishName

java.lang.String englishName

English name

nameI18

java.lang.String nameI18

Nebula name

credit

private java.lang.String credit

Nebula image credit

mag

double mag

Apparent magnitude

angularSize

private double angularSize

Angular size in radians

XYZ

javax.vecmath.Point3d XYZ

Cartesian equatorial position

XY

javax.vecmath.Point3d XY

Store temporary 2D position

nType

Nebula.NebulaType nType

Nebula Type

nebTex

private STexture nebTex

Texture

texQuadVertex

private javax.vecmath.Point3d[] texQuadVertex

The 4 vertex used to draw the nebula texture

luminance

private double luminance

Object luminance to use (value computed to compensate the texture avergae luminosity)

texAvgLuminance

private double texAvgLuminance

avg luminance of the texture (saved here for performance)

incLum

private double incLum

Local counter for symbol animation

texCircle

static STexture texCircle

The symbolic circle texture

nebulaFontIfc

static SFontIfc nebulaFontIfc

Font used for names printing

hintsBrightness

static double hintsBrightness

labelColor

static SColor labelColor

circleColor

static SColor circleColor

circleScale

static double circleScale

Define the sclaing of the hints circle

flagBright

static boolean flagBright

Define if nebulae must be drawn in bright mode

Constructor Detail

Nebula

Nebula()

Method Detail

getEarthEquPos

public javax.vecmath.Point3d getEarthEquPos(NavigatorIfc nav)

Description copied from class: StelObjectBase

Get position in earth equatorial frame

Overrides:

getEarthEquPos in class StelObjectBase

getInfoString

public java.lang.String getInfoString(NavigatorIfc nav)

Description copied from class: StelObject

Write I18n information about the object in wstring.

Specified by:

getInfoString in class StelObject

getShortInfoString

public java.lang.String getShortInfoString(NavigatorIfc nav)

Description copied from class: StelObject

The returned wstring can typically be used for object labeling in the sky

Specified by:

getShortInfoString in class StelObject

getCloseFOV

public double getCloseFOV(NavigatorIfc nav)

Description copied from class: StelObjectBase

Tree.Return the best FOV in degree to use for a close view of the object

Overrides:

getCloseFOV in class StelObjectBase

readTexture

void readTexture(java.lang.String record)
           throws StellariumException

Read nebula data from file and compute x,y and z;

Parameters:

record - One line in the fab file representing one nebula entry

Throws:

StellariumException

drawChart

void drawChart(DefaultProjector prj,
               Navigator nav)

drawTex

void drawTex(DefaultProjector prj,
             Navigator nav,
             ToneReproductor eye)

drawCircle

void drawCircle(DefaultProjector prj,
                Navigator nav)

drawNoTex

void drawNoTex(DefaultProjector prj,
               Navigator nav,
               ToneReproductor eye)

getOnScreenSize

public float getOnScreenSize(Projector prj,
                             NavigatorIfc nav)

Return the radius of a circle containing the object on screen

Overrides:

getOnScreenSize in class StelObjectBase

drawName

void drawName(DefaultProjector prj)

hasTex

boolean hasTex()

readNGC

boolean readNGC(java.lang.String recordstr)

Read the record entry and fill the members

Parameters:

recordstr -

Returns:

true if known nebula type, false otherwise

getTypeString

public java.lang.String getTypeString()

translateName

public void translateName(Translator trans)

Translate nebula name using the passed translator

Parameters:

trans -

getType

public StelObject.TYPE getType()

Description copied from class: StelObjectBase

Tree.Return object's type

Specified by:

getType in class StelObjectBase

setLabelColor

void setLabelColor(SColor v)

setCircleColor

void setCircleColor(SColor v)

getAngularSize

public double getAngularSize()

getMessierNb

public int getMessierNb()

setMessierNb

public void setMessierNb(int mNb)

getNgcNb

public int getNgcNb()

getIcNb

public int getIcNb()

setEnglishName

public void setEnglishName(java.lang.String englishName)