andrew@28: /*
andrew@28:  *  BayesianArrayStructure.h
andrew@28:  *  midiCannamReader
andrew@28:  *
andrew@28:  *  Created by Andrew on 17/07/2011.
andrew@28:  *  Copyright 2011 QMUL. All rights reserved.
andrew@28:  *
andrew@28:  */
andrew@28: #ifndef BAYESIAN_ARRAY_STRUCTURE
andrew@28: #define BAYESIAN_ARRAY_STRUCTURE
andrew@28: 
andrew@28: 
andrew@28: #include "ofMain.h"
andrew@28: //#include "DynamicBayesianArray.h"
andrew@28: #include "DynamicVector.h"
andrew@28: 
andrew@28: class BayesianArrayStructure {
andrew@28: 	
andrew@28: public:
andrew@28: //	BayesianArrayStructure();
andrew@28: 	BayesianArrayStructure();
andrew@28: 	BayesianArrayStructure(int length);
andrew@28: 	
andrew@28: 	void calculatePosterior();
andrew@28: 	void drawArrays();
andrew@28: 	void drawArraysRelativeToTimeframe(const double& startTimeMillis, const double& endTimeMillis);
andrew@28: 
andrew@28: 	void drawTempoArrays();
andrew@28: 	
andrew@28: 	void resetSize(int length);
andrew@28: 	void resetArrays();
andrew@28: 	void simpleExample();
andrew@28: 	void setStartPlaying();
andrew@28: 	void zeroArrays();
andrew@28: 	
andrew@28: 	double screenWidth;
andrew@28: 	
andrew@28: 	void copyPriorToPosterior();
andrew@28: //	DynamicBayesianArray bayesArray;
andrew@28: 	
andrew@28: 	double lastEventTime;
andrew@28: 	double likelihoodNoise;
andrew@28: 	double speedLikelihoodNoise;
andrew@28: 	
andrew@28: 	//DynamicVector tmpPrior;
andrew@28: 	DynamicVector tmpPosteriorForStorage;
andrew@28: 	DynamicVector prior;
andrew@28: 	DynamicVector posterior;
andrew@28: 	DynamicVector likelihood;
andrew@28: 	
andrew@28: 	DynamicVector relativeSpeedPrior;
andrew@28: 	DynamicVector relativeSpeedLikelihood;
andrew@28: 	DynamicVector relativeSpeedPosterior;
andrew@28: 	DynamicVector acceleration;
andrew@28: 	
andrew@28: 	double tmpBestEstimate;
andrew@28: 	void updateTmpBestEstimate(const double& timeDifference);
andrew@28: 	
andrew@28: 	int updateCounter;
andrew@28: 	
andrew@28: 	void setPositionDistributionScalar(double f);
andrew@28: 	
andrew@28: 	void resetSpeedToOne();
andrew@28: 	void addGaussianNoiseToSpeedPosterior(const double& std_dev);
andrew@28: 	void addTriangularNoiseToSpeedPosterior(const double& std_dev);
andrew@28: 	
andrew@28: 	double bestEstimate;
andrew@28: 	void updateBestEstimate(const double& timeDifference);
andrew@28: 	double lastBestEstimateUpdateTime;
andrew@28: 	double speedEstimate;
andrew@28: 	
andrew@28: 	double speedDecayWidth, speedDecayAmount;
andrew@28: 	void decaySpeedDistribution(double timeDifference);
andrew@28: 	
andrew@28: 	void resetSpeedSize(int length);
andrew@28: 	void setRelativeSpeedScalar(double f);
andrew@28: 	void setSpeedPrior(double f);
andrew@28: 	void calculateNewPriorOffset(const double& timeDifference);
andrew@28: 	void setNewDistributionOffsets(const double& newOffset);
andrew@28: 	
andrew@28: 	void setLikelihoodToConstant();
andrew@28: 	void updateTempoLikelihood(const double& speedRatio, const double& matchFactor);
andrew@28: 	void updateTempoDistribution();
andrew@28: 	
andrew@28: 	void calculateTempoUpdate();
andrew@28: 	
andrew@28: 	void crossUpdateArrays(DynamicVector& position, DynamicVector& speed, double timeDifference);
andrew@28: 	void complexCrossUpdate(const double& timeDifferenceInPositionVectorUnits);
andrew@28: 	void translateByMaximumSpeed(const double& timeDifferenceInPositionVectorUnits);
andrew@28: 	double crossUpdateTimeThreshold;//time after which we do complex update of multiple speeds
andrew@28: 	
andrew@28: 	double speedPriorValue;
andrew@28: 	int priorWidth;
andrew@28: 	bool* realTimeMode;
andrew@28: 	bool usingIntegratedTempoEstimate;
andrew@28: 	double relativeSpeedLikelihoodStdDev;
andrew@28: 	
andrew@28: };
andrew@28: #endif