de.grogra.ray2.metropolis.strategy
Class MutationStrategy

java.lang.Object
  de.grogra.ray2.metropolis.strategy.MutationStrategy

All Implemented Interfaces:

MetropolisStrategy

Direct Known Subclasses:

BidirectionalMutationStrat, CausticPerturbation, LensPerturbationStrat, LensSubpathStrat

public abstract class MutationStrategy
extends java.lang.Object
implements MetropolisStrategy

Field Summary

int	abbortCode
protected MetropolisAntiAliasing	antialiser
static int	BSDF_WAS_ZERO
static int	CALCULATION_ERROR
static int	CANVAS_WASNT_HIT
protected ComplementTracer	complTracer
ConditionObject	condition
protected PathValues	eyePath
static java.lang.String	EYEPATH_DEPTH
protected int	eyePathDepth
protected IntersectionList	ilist
protected PathValues	lightPath
static java.lang.String	LIGHTPATH_DEPTH
protected int	lightPathDepth
protected static int	MAXVAL
protected static float	MIN_WEIGHT
protected CombinedPathValues	mutatedPath
static int	NO_CHANGES_HAPPENED
static int	NO_VALID_COMBINEDPATH
static int	NOT_IMPLEMENTED_YET
static int	NOT_VISIBLE
static int	PATH_SPECTRA_WERE_TOO_WEAK
protected net.goui.util.MTRandom	rnd
protected int	sig
protected CombinedPathValues	srcPath
static int	SUCCESSFUL_MUTATIONRUN
protected Environment	tmpEnv
protected Line	tmpLine
protected Point3d	tmpPoint1
protected Point3d	tmpPoint2
protected RayList	tmpRayList
protected Spectrum3d	tmpSpec1
protected Spectrum3d	tmpSpec2
protected Spectrum3d	tmpSpec3
protected Vector3f	tmpVec1
protected Vector3f	tmpVec2
protected LineTracer	tracer
static int	TRACINGGOAL_WASNT_REACHED
protected TracingMediator	tracingMediator

Constructor Summary

MutationStrategy(MetropolisProcessor metroProc)

Method Summary

float	calculateAcceptanceProbality(int l, int m, int l_, int m_)
float	calculateQ(int l, int m, int l_, int m_, CombinedPathValues srcPath, CombinedPathValues mutatedPath, boolean x2y)
Line	generateNewStartLine(boolean isLightRay)
java.lang.String	getAcceptanceAbbortDescription()
int	getAddiationPathLength(int kd)
float	getAddProbability(int l, int m, int l_, int m_)
int[]	getAddVertice(int k)
Spectrum3d	getCombinedBSDF(int startIndex, CombinedPathValues mutatedPath)
float	getDeleteProbability(int l, int m)
int[]	getDeleteVertice(int k)
int	getDeletionPathLength()
java.lang.String	getDescription()
float	getI_0(CombinedPathValues path)
abstract java.util.ArrayList<java.lang.String>	getStatistics()
boolean	hitsCanvas(CombinedPathValues testPath)
abstract void	initialize(double[] values)
boolean	isVisble(Environment lightEnv, Environment eyeEnv, Intersection lightInt)
float	luminance(Spectrum3d lumSpec)
float	mutatePath(CombinedPathValues actualPath, CombinedPathValues mutatedPath)
void	pathChanged()
int	registerError(int error)
abstract void	resetAll()
void	traceEyeSubPath(int m, int m_)
void	traceLightSubPath(int l, int l_)

Methods inherited from class java.lang.Object

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

Field Detail

abbortCode

public int abbortCode

antialiser

protected MetropolisAntiAliasing antialiser

BSDF_WAS_ZERO

public static final int BSDF_WAS_ZERO

See Also:

Constant Field Values

CALCULATION_ERROR

public static final int CALCULATION_ERROR

See Also:

Constant Field Values

CANVAS_WASNT_HIT

public static final int CANVAS_WASNT_HIT

See Also:

Constant Field Values

complTracer

protected ComplementTracer complTracer

condition

public ConditionObject condition

eyePath

protected PathValues eyePath

EYEPATH_DEPTH

public static final java.lang.String EYEPATH_DEPTH

See Also:

Constant Field Values

eyePathDepth

protected int eyePathDepth

ilist

protected IntersectionList ilist

lightPath

protected PathValues lightPath

LIGHTPATH_DEPTH

public static final java.lang.String LIGHTPATH_DEPTH

See Also:

Constant Field Values

lightPathDepth

protected int lightPathDepth

MAXVAL

protected static int MAXVAL

MIN_WEIGHT

protected static final float MIN_WEIGHT

See Also:

Constant Field Values

mutatedPath

protected CombinedPathValues mutatedPath

NO_CHANGES_HAPPENED

public static final int NO_CHANGES_HAPPENED

See Also:

Constant Field Values

NO_VALID_COMBINEDPATH

public static final int NO_VALID_COMBINEDPATH

See Also:

Constant Field Values

NOT_IMPLEMENTED_YET

public static final int NOT_IMPLEMENTED_YET

See Also:

Constant Field Values

NOT_VISIBLE

public static final int NOT_VISIBLE

See Also:

Constant Field Values

PATH_SPECTRA_WERE_TOO_WEAK

public static final int PATH_SPECTRA_WERE_TOO_WEAK

See Also:

Constant Field Values

rnd

protected net.goui.util.MTRandom rnd

sig

protected int sig

srcPath

protected CombinedPathValues srcPath

SUCCESSFUL_MUTATIONRUN

public static final int SUCCESSFUL_MUTATIONRUN

See Also:

Constant Field Values

tmpEnv

protected Environment tmpEnv

tmpLine

protected Line tmpLine

tmpPoint1

protected Point3d tmpPoint1

tmpPoint2

protected Point3d tmpPoint2

tmpRayList

protected RayList tmpRayList

tmpSpec1

protected Spectrum3d tmpSpec1

tmpSpec2

protected Spectrum3d tmpSpec2

tmpSpec3

protected Spectrum3d tmpSpec3

tmpVec1

protected Vector3f tmpVec1

tmpVec2

protected Vector3f tmpVec2

tracer

protected LineTracer tracer

TRACINGGOAL_WASNT_REACHED

public static final int TRACINGGOAL_WASNT_REACHED

See Also:

Constant Field Values

tracingMediator

protected TracingMediator tracingMediator

Constructor Detail

MutationStrategy

public MutationStrategy(MetropolisProcessor metroProc)

Method Detail

calculateAcceptanceProbality

public float calculateAcceptanceProbality(int l,
                                          int m,
                                          int l_,
                                          int m_)

calculateQ

public float calculateQ(int l,
                        int m,
                        int l_,
                        int m_,
                        CombinedPathValues srcPath,
                        CombinedPathValues mutatedPath,
                        boolean x2y)

generateNewStartLine

public Line generateNewStartLine(boolean isLightRay)

getAcceptanceAbbortDescription

public java.lang.String getAcceptanceAbbortDescription()

Specified by:

getAcceptanceAbbortDescription in interface MetropolisStrategy

getAddiationPathLength

public int getAddiationPathLength(int kd)

getAddProbability

public float getAddProbability(int l,
                               int m,
                               int l_,
                               int m_)

getAddVertice

public int[] getAddVertice(int k)

getCombinedBSDF

public Spectrum3d getCombinedBSDF(int startIndex,
                                  CombinedPathValues mutatedPath)

getDeleteProbability

public float getDeleteProbability(int l,
                                  int m)

getDeleteVertice

public int[] getDeleteVertice(int k)

getDeletionPathLength

public int getDeletionPathLength()

getDescription

public java.lang.String getDescription()

Specified by:

getDescription in interface MetropolisStrategy

getI_0

public float getI_0(CombinedPathValues path)

getStatistics

public abstract java.util.ArrayList<java.lang.String> getStatistics()

Specified by:

getStatistics in interface MetropolisStrategy

hitsCanvas

public boolean hitsCanvas(CombinedPathValues testPath)

initialize

public abstract void initialize(double[] values)

isVisble

public boolean isVisble(Environment lightEnv,
                        Environment eyeEnv,
                        Intersection lightInt)

luminance

public float luminance(Spectrum3d lumSpec)

mutatePath

public float mutatePath(CombinedPathValues actualPath,
                        CombinedPathValues mutatedPath)

Specified by:

mutatePath in interface MetropolisStrategy

pathChanged

public void pathChanged()

Specified by:

pathChanged in interface MetropolisStrategy

registerError

public int registerError(int error)

resetAll

public abstract void resetAll()

Specified by:

resetAll in interface MetropolisStrategy

traceEyeSubPath

public void traceEyeSubPath(int m,
                            int m_)

traceLightSubPath

public void traceLightSubPath(int l,
                              int l_)