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1 /*
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2 * BayesianArrayStructure.h
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3 * midiCannamReader
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4 *
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5 * Created by Andrew on 17/07/2011.
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6 * Copyright 2011 QMUL. All rights reserved.
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7 *
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8 */
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9
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10 #include "ofMain.h"
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11 //#include "DynamicBayesianArray.h"
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12 #include "DynamicVector.h"
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13
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14 class BayesianArrayStructure {
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15
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16 public:
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17 // BayesianArrayStructure();
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18 BayesianArrayStructure();
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19 BayesianArrayStructure(int length);
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20
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21 void calculatePosterior();
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22 void drawArrays();
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23 void drawArraysRelativeToTimeframe(const double& startTimeMillis, const double& endTimeMillis);
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24
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25 void drawTempoArrays();
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26
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27 void resetSize(int length);
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28 void resetArrays();
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29 void simpleExample();
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30
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31 double screenWidth;
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32
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33 void copyPriorToPosterior();
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34 // DynamicBayesianArray bayesArray;
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35
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36 double lastEventTime;
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37
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38 DynamicVector tmpPrior;
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39
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40 DynamicVector prior;
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41 DynamicVector posterior;
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42 DynamicVector likelihood;
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43
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44 DynamicVector relativeSpeedPrior;
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45 DynamicVector relativeSpeedLikelihood;
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46 DynamicVector relativeSpeedPosterior;
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47 DynamicVector acceleration;
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48
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49 void resetSpeedToOne();
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50
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51 double bestEstimate;
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52 void updateBestEstimate();
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53 // double lastBestEstimateUpdateTime;
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54
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55 double speedDecayWidth, speedDecayAmount;
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56 void decaySpeedDistribution(double timeDifference);
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57
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58 void resetSpeedSize(int length);
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59 void setRelativeSpeedScalar(double f);
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60 void calculateNewPriorOffset(const double& timeDifference);
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61 void setNewDistributionOffsets(const double& newOffset);
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62
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63 void updateTempoDistribution(const double& speedRatio, const double& matchFactor);
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64
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65 void setFlatTempoLikelihood();
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66 void calculateTempoUpdate();
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67 void updateTempoLikelihood(const double& speedRatio, const double& matchFactor);
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68
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69 void crossUpdateArrays(DynamicVector& position, DynamicVector& speed, double timeDifference);
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70
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71 };
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72
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