1 | // Copyright FreeHEP, 2005. |
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2 | |
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3 | #include <string> |
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4 | #include <iostream> |
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5 | #include <cmath> |
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6 | |
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7 | #include "cheprep/DefaultHepRepPoint.h" |
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8 | |
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9 | using namespace std; |
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10 | using namespace HEPREP; |
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11 | |
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12 | /** |
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13 | * @author Mark Donszelmann |
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14 | * @version $Id: DefaultHepRepPoint.cc,v 1.5 2005/06/02 21:28:45 duns Exp $ |
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15 | */ |
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16 | namespace cheprep { |
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17 | |
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18 | DefaultHepRepPoint::DefaultHepRepPoint(HepRepInstance* inst, double x, double y, double z) |
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19 | : DefaultHepRepAttribute(), instance(inst), x(x), y(y), z(z) { |
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20 | |
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21 | if (instance == NULL) { |
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22 | cerr << "HepRepPoints cannot be created without a HepRepInstance." << endl; |
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23 | } else { |
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24 | instance->addPoint(this); |
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25 | } |
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26 | } |
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27 | |
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28 | DefaultHepRepPoint::~DefaultHepRepPoint() { |
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29 | } |
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30 | |
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31 | HepRepInstance* DefaultHepRepPoint::getInstance() { |
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32 | return instance; |
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33 | } |
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34 | |
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35 | HepRepAttValue* DefaultHepRepPoint::getAttValue(string lowerCaseName) { |
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36 | HepRepAttValue* value = getAttValueFromNode(lowerCaseName); |
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37 | return (value != NULL) ? value : instance->getAttValue(lowerCaseName); |
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38 | } |
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39 | |
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40 | HepRepPoint* DefaultHepRepPoint::copy(HepRepInstance* inst) { |
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41 | return new DefaultHepRepPoint(inst, x, y, z); |
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42 | } |
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43 | |
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44 | double DefaultHepRepPoint::getX() { |
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45 | return x; |
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46 | } |
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47 | |
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48 | double DefaultHepRepPoint::getY() { |
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49 | return y; |
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50 | } |
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51 | |
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52 | double DefaultHepRepPoint::getZ() { |
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53 | return z; |
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54 | } |
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55 | |
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56 | vector<double>* DefaultHepRepPoint::getXYZ(vector<double>* xyz) { |
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57 | (*xyz)[0] = x; |
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58 | (*xyz)[1] = y; |
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59 | (*xyz)[2] = z; |
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60 | return xyz; |
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61 | } |
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62 | |
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63 | double DefaultHepRepPoint::getRho() { |
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64 | return sqrt(x*x + y*y); |
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65 | } |
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66 | |
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67 | double DefaultHepRepPoint::getPhi() { |
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68 | return atan2(y, x); |
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69 | } |
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70 | |
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71 | double DefaultHepRepPoint::getTheta() { |
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72 | return atan2(getRho(), z); |
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73 | } |
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74 | |
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75 | double DefaultHepRepPoint::getR() { |
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76 | double r = getRho(); |
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77 | return sqrt(r*r + z*z); |
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78 | } |
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79 | |
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80 | double DefaultHepRepPoint::getEta() { |
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81 | double ct = cos(getTheta()); |
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82 | return -0.5*log((1.-ct)/(1.+ct)); |
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83 | } |
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84 | |
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85 | double DefaultHepRepPoint::getX(double xVertex, double, double) { |
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86 | return x - xVertex; |
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87 | } |
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88 | |
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89 | double DefaultHepRepPoint::getY(double, double yVertex, double) { |
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90 | return y - yVertex; |
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91 | } |
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92 | |
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93 | double DefaultHepRepPoint::getZ(double, double, double zVertex) { |
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94 | return z - zVertex; |
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95 | } |
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96 | |
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97 | double DefaultHepRepPoint::getRho(double xVertex, double yVertex, double zVertex) { |
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98 | double dx = getX(xVertex, yVertex, zVertex); |
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99 | double dy = getY(xVertex, yVertex, zVertex); |
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100 | return sqrt(dx*dx + dy*dy); |
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101 | } |
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102 | |
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103 | double DefaultHepRepPoint::getPhi(double xVertex, double yVertex, double zVertex) { |
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104 | return atan2(getY(xVertex, yVertex, zVertex), getX(xVertex, yVertex, zVertex)); |
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105 | } |
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106 | |
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107 | double DefaultHepRepPoint::getTheta(double xVertex, double yVertex, double zVertex) { |
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108 | return atan2(getRho(xVertex, yVertex, zVertex), getZ(xVertex, yVertex, zVertex)); |
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109 | } |
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110 | |
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111 | double DefaultHepRepPoint::getR(double xVertex, double yVertex, double zVertex) { |
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112 | double dr = getRho(xVertex, yVertex, zVertex); |
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113 | double dz = getZ(xVertex, yVertex, zVertex); |
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114 | return sqrt(dr*dr + dz*dz); |
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115 | } |
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116 | |
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117 | double DefaultHepRepPoint::getEta(double xVertex, double yVertex, double zVertex) { |
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118 | double ct = cos(getTheta(xVertex, yVertex, zVertex)); |
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119 | return -0.5*log((1.-ct)/(1.+ct)); |
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120 | } |
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121 | |
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122 | |
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123 | } // cheprep |
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124 | |
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