view src/BayesianArrayStructure.h @ 0:b299a65a3ad0

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/*
 *  BayesianArrayStructure.h
 *  midiCannamReader
 *
 *  Created by Andrew on 17/07/2011.
 *  Copyright 2011 QMUL. All rights reserved.
 *
 */

#include "ofMain.h"
//#include "DynamicBayesianArray.h"
#include "DynamicVector.h"

class BayesianArrayStructure {
	
public:
//	BayesianArrayStructure();
	BayesianArrayStructure();
	BayesianArrayStructure(int length);
	
	void calculatePosterior();
	void drawArrays();
	void drawArraysRelativeToTimeframe(const double& startTimeMillis, const double& endTimeMillis);

	void drawTempoArrays();
	
	void resetSize(int length);
	void resetArrays();
	void simpleExample();
	
	double screenWidth;
	
	void copyPriorToPosterior();
//	DynamicBayesianArray bayesArray;
	
	double lastEventTime;
	
	DynamicVector tmpPrior;
	
	DynamicVector prior;
	DynamicVector posterior;
	DynamicVector likelihood;
	
	DynamicVector relativeSpeedPrior;
	DynamicVector relativeSpeedLikelihood;
	DynamicVector relativeSpeedPosterior;
	DynamicVector acceleration;
	
	void resetSpeedToOne();
	
	double bestEstimate;
	void updateBestEstimate();
//	double lastBestEstimateUpdateTime;
	
	double speedDecayWidth, speedDecayAmount;
	void decaySpeedDistribution(double timeDifference);
	
	void resetSpeedSize(int length);
	void setRelativeSpeedScalar(double f);
	void calculateNewPriorOffset(const double& timeDifference);
	void setNewDistributionOffsets(const double& newOffset);
	
	void updateTempoDistribution(const double& speedRatio, const double& matchFactor);
	
	void setFlatTempoLikelihood();
	void calculateTempoUpdate();
	void updateTempoLikelihood(const double& speedRatio, const double& matchFactor);
	
	void crossUpdateArrays(DynamicVector& position, DynamicVector& speed, double timeDifference);
	
};