1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4TrajectoryDrawerUtils.cc,v 1.14 2010/05/11 11:58:18 allison Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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28 | // |
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29 | // Jane Tinslay, John Allison, Joseph Perl November 2005 |
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30 | // |
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31 | #include "G4TrajectoryDrawerUtils.hh" |
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32 | #include "G4Colour.hh" |
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33 | #include "G4Polyline.hh" |
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34 | #include "G4Polymarker.hh" |
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35 | #include "G4VTrajectory.hh" |
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36 | #include "G4VTrajectoryPoint.hh" |
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37 | #include "G4VisAttributes.hh" |
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38 | #include "G4VisTrajContext.hh" |
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39 | #include "G4VVisManager.hh" |
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40 | #include "G4UIcommand.hh" |
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41 | #include "G4AttValue.hh" |
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42 | #include <sstream> |
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43 | |
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44 | namespace G4TrajectoryDrawerUtils { |
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45 | |
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46 | |
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47 | void GetPoints(const G4VTrajectory& traj, G4Polyline& trajectoryLine, |
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48 | G4Polymarker& auxiliaryPoints, G4Polymarker& stepPoints) |
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49 | { |
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50 | for (G4int i=0; i<traj.GetPointEntries(); i++) { |
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51 | G4VTrajectoryPoint* aTrajectoryPoint = traj.GetPoint(i); |
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52 | |
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53 | const std::vector<G4ThreeVector>* auxiliaries |
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54 | = aTrajectoryPoint->GetAuxiliaryPoints(); |
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55 | |
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56 | if (0 != auxiliaries) { |
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57 | for (size_t iAux=0; iAux<auxiliaries->size(); ++iAux) { |
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58 | const G4ThreeVector pos((*auxiliaries)[iAux]); |
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59 | if (trajectoryLine.size() >0) { |
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60 | if (pos != trajectoryLine[trajectoryLine.size()-1]) { |
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61 | trajectoryLine.push_back(pos); |
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62 | auxiliaryPoints.push_back(pos); |
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63 | } |
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64 | } else { |
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65 | trajectoryLine.push_back(pos); |
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66 | auxiliaryPoints.push_back(pos); |
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67 | } |
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68 | } |
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69 | } |
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70 | const G4ThreeVector pos(aTrajectoryPoint->GetPosition()); |
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71 | if (trajectoryLine.size() >0) { |
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72 | if (pos != trajectoryLine[trajectoryLine.size()-1]) { |
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73 | trajectoryLine.push_back(pos); |
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74 | stepPoints.push_back(pos); |
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75 | } |
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76 | } else { |
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77 | trajectoryLine.push_back(pos); |
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78 | stepPoints.push_back(pos); |
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79 | } |
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80 | } |
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81 | } |
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82 | |
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83 | /*** |
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84 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4int& i_mode, const G4Colour& colour, const G4bool& visible) { |
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85 | // If i_mode>=0, draws a trajectory as a polyline (default is blue for |
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86 | // positive, red for negative, green for neutral) and, if i_mode!=0, |
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87 | // adds markers - yellow circles for step points and magenta squares |
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88 | // for auxiliary points, if any - whose screen size in pixels is |
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89 | // given by std::abs(i_mode)/1000. E.g: i_mode = 5000 gives easily |
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90 | // visible markers. |
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91 | |
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92 | static G4bool warnedAboutIMode = false; |
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93 | std::ostringstream oss; |
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94 | oss << "WARNING: DEPRECATED use of i_mode (i_mode: " << i_mode |
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95 | << "). Feature will be removed at a future major release."; |
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96 | if (!warnedAboutIMode) { |
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97 | G4Exception |
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98 | ("G4TrajectoryDrawerUtils::DrawLineAndPoints(traj, i_mode, colour, visible)", |
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99 | "", |
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100 | JustWarning, |
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101 | oss.str().c_str()); |
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102 | warnedAboutIMode = true; |
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103 | } |
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104 | |
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105 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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106 | if (0 == pVVisManager) return; |
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107 | |
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108 | const G4double markerSize = std::abs(i_mode)/1000; |
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109 | G4bool lineRequired (i_mode >= 0); |
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110 | G4bool markersRequired (markerSize > 0.); |
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111 | |
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112 | // Return if don't need to do anything |
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113 | if (!lineRequired && !markersRequired) return; |
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114 | |
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115 | // Get points to draw |
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116 | G4Polyline trajectoryLine; |
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117 | G4Polymarker stepPoints; |
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118 | G4Polymarker auxiliaryPoints; |
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119 | |
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120 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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121 | |
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122 | if (lineRequired) { |
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123 | G4VisAttributes trajectoryLineAttribs(colour); |
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124 | trajectoryLineAttribs.SetVisibility(visible); |
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125 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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126 | pVVisManager->Draw(trajectoryLine); |
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127 | } |
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128 | |
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129 | if (markersRequired) { |
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130 | auxiliaryPoints.SetMarkerType(G4Polymarker::squares); |
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131 | auxiliaryPoints.SetScreenSize(markerSize); |
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132 | auxiliaryPoints.SetFillStyle(G4VMarker::filled); |
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133 | G4VisAttributes auxiliaryPointsAttribs(G4Colour(0.,1.,1.)); // Magenta |
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134 | auxiliaryPointsAttribs.SetVisibility(visible); |
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135 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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136 | pVVisManager->Draw(auxiliaryPoints); |
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137 | |
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138 | stepPoints.SetMarkerType(G4Polymarker::circles); |
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139 | stepPoints.SetScreenSize(markerSize); |
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140 | stepPoints.SetFillStyle(G4VMarker::filled); |
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141 | G4VisAttributes stepPointsAttribs(G4Colour(1.,1.,0.)); // Yellow. |
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142 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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143 | pVVisManager->Draw(stepPoints); |
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144 | } |
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145 | |
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146 | } |
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147 | ***/ |
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148 | |
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149 | static void GetTimes(const G4VTrajectory& traj, |
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150 | std::vector<G4double>& trajectoryLineTimes, |
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151 | std::vector<G4double>& auxiliaryPointTimes, |
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152 | std::vector<G4double>& stepPointTimes) |
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153 | { |
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154 | // It is important check that the sizes of times vectors produced |
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155 | // by this function matches those of points vectors from |
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156 | // GetPoints. If not, assume that the time information is |
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157 | // invalid. |
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158 | |
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159 | G4ThreeVector lastTrajectoryPointPosition; |
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160 | for (G4int i=0; i<traj.GetPointEntries(); i++) { |
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161 | G4VTrajectoryPoint* aTrajectoryPoint = traj.GetPoint(i); |
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162 | |
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163 | // Pre- and Post-Point times from the trajectory point... |
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164 | G4double trajectoryPointPreTime = -std::numeric_limits<double>::max(); |
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165 | G4double trajectoryPointPostTime = std::numeric_limits<double>::max(); |
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166 | std::vector<G4AttValue>* trajectoryPointAttValues = |
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167 | aTrajectoryPoint->CreateAttValues(); |
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168 | if (!trajectoryPointAttValues) { |
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169 | G4cout << "G4TrajectoryDrawerUtils::GetTimes: no att values." |
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170 | << G4endl; |
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171 | return; |
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172 | } else { |
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173 | G4bool foundPreTime = false, foundPostTime = false; |
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174 | for (std::vector<G4AttValue>::iterator i = |
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175 | trajectoryPointAttValues->begin(); |
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176 | i != trajectoryPointAttValues->end(); ++i) { |
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177 | if (i->GetName() == "PreT") { |
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178 | trajectoryPointPreTime = |
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179 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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180 | foundPreTime = true; |
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181 | } |
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182 | if (i->GetName() == "PostT") { |
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183 | trajectoryPointPostTime = |
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184 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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185 | foundPostTime = true; |
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186 | } |
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187 | } |
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188 | if (!foundPreTime || !foundPostTime) { |
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189 | static G4bool warnedTimesNotFound = false; |
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190 | if (!warnedTimesNotFound) { |
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191 | G4cout << |
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192 | "WARNING: G4TrajectoryDrawerUtils::GetTimes: times not found." |
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193 | << G4endl; |
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194 | warnedTimesNotFound = true; |
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195 | } |
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196 | return; |
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197 | } |
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198 | } |
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199 | |
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200 | const G4ThreeVector& trajectoryPointPosition = |
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201 | aTrajectoryPoint->GetPosition(); |
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202 | |
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203 | const std::vector<G4ThreeVector>* auxiliaries |
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204 | = aTrajectoryPoint->GetAuxiliaryPoints(); |
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205 | |
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206 | if (0 != auxiliaries) { |
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207 | for (size_t iAux=0; iAux<auxiliaries->size(); ++iAux) { |
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208 | // Interpolate time for auxiliary points... |
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209 | const G4ThreeVector pos((*auxiliaries)[iAux]); |
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210 | G4double s1 = (pos - lastTrajectoryPointPosition).mag(); |
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211 | G4double s2 = (trajectoryPointPosition - pos).mag(); |
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212 | G4double t = trajectoryPointPreTime + |
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213 | (trajectoryPointPostTime - trajectoryPointPreTime) * |
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214 | (s1 / (s1 + s2)); |
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215 | trajectoryLineTimes.push_back(t); |
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216 | auxiliaryPointTimes.push_back(t); |
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217 | } |
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218 | } |
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219 | |
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220 | trajectoryLineTimes.push_back(trajectoryPointPostTime); |
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221 | stepPointTimes.push_back(trajectoryPointPostTime); |
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222 | |
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223 | lastTrajectoryPointPosition = trajectoryPointPosition; |
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224 | } |
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225 | } |
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226 | |
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227 | static void SliceLine(G4double timeIncrement, |
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228 | G4Polyline& trajectoryLine, |
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229 | std::vector<G4double>& trajectoryLineTimes) |
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230 | { |
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231 | // Assumes valid arguments from GetPoints and GetTimes. |
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232 | |
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233 | G4Polyline newTrajectoryLine; |
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234 | std::vector<G4double> newTrajectoryLineTimes; |
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235 | |
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236 | newTrajectoryLine.push_back(trajectoryLine[0]); |
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237 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[0]); |
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238 | size_t lineSize = trajectoryLine.size(); |
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239 | if (lineSize > 1) { |
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240 | for (size_t i = 1; i < trajectoryLine.size(); ++i) { |
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241 | G4double deltaT = trajectoryLineTimes[i] - trajectoryLineTimes[i - 1]; |
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242 | if (deltaT > 0.) { |
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243 | G4double practicalTimeIncrement = |
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244 | std::max(timeIncrement, deltaT / 100.); |
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245 | for (G4double t = |
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246 | (int(trajectoryLineTimes[i - 1]/practicalTimeIncrement) + 1) * |
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247 | practicalTimeIncrement; |
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248 | t <= trajectoryLineTimes[i]; |
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249 | t += practicalTimeIncrement) { |
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250 | G4ThreeVector pos = trajectoryLine[i - 1] + |
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251 | (trajectoryLine[i] - trajectoryLine[i - 1]) * |
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252 | ((t - trajectoryLineTimes[i - 1]) / deltaT); |
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253 | newTrajectoryLine.push_back(pos); |
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254 | newTrajectoryLineTimes.push_back(t); |
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255 | } |
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256 | } |
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257 | newTrajectoryLine.push_back(trajectoryLine[i]); |
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258 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[i]); |
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259 | } |
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260 | } |
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261 | |
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262 | trajectoryLine = newTrajectoryLine; |
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263 | trajectoryLineTimes = newTrajectoryLineTimes; |
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264 | } |
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265 | |
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266 | static void DrawWithoutTime(const G4VisTrajContext& myContext, |
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267 | G4Polyline& trajectoryLine, |
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268 | G4Polymarker& auxiliaryPoints, |
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269 | G4Polymarker& stepPoints) |
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270 | { |
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271 | // Draw without time slice information |
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272 | |
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273 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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274 | if (0 == pVVisManager) return; |
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275 | |
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276 | if (myContext.GetDrawLine()) { |
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277 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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278 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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279 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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280 | |
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281 | pVVisManager->Draw(trajectoryLine); |
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282 | } |
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283 | |
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284 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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285 | auxiliaryPoints.SetMarkerType(myContext.GetAuxPtsType()); |
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286 | auxiliaryPoints.SetSize(myContext.GetAuxPtsSizeType(), myContext.GetAuxPtsSize()); |
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287 | auxiliaryPoints.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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288 | |
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289 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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290 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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291 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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292 | |
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293 | pVVisManager->Draw(auxiliaryPoints); |
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294 | } |
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295 | |
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296 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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297 | stepPoints.SetMarkerType(myContext.GetStepPtsType()); |
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298 | stepPoints.SetSize(myContext.GetStepPtsSizeType(), myContext.GetStepPtsSize()); |
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299 | stepPoints.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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300 | |
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301 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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302 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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303 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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304 | |
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305 | pVVisManager->Draw(stepPoints); |
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306 | } |
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307 | } |
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308 | |
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309 | static void DrawWithTime(const G4VisTrajContext& myContext, |
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310 | G4Polyline& trajectoryLine, |
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311 | G4Polymarker& auxiliaryPoints, |
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312 | G4Polymarker& stepPoints, |
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313 | std::vector<G4double>& trajectoryLineTimes, |
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314 | std::vector<G4double>& auxiliaryPointTimes, |
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315 | std::vector<G4double>& stepPointTimes) |
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316 | { |
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317 | // Draw with time slice information |
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318 | |
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319 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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320 | if (0 == pVVisManager) return; |
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321 | |
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322 | if (myContext.GetDrawLine()) { |
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323 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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324 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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325 | |
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326 | for (size_t i = 1; i < trajectoryLine.size(); ++i ) { |
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327 | G4Polyline slice; |
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328 | slice.push_back(trajectoryLine[i -1]); |
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329 | slice.push_back(trajectoryLine[i]); |
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330 | trajectoryLineAttribs.SetStartTime(trajectoryLineTimes[i - 1]); |
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331 | trajectoryLineAttribs.SetEndTime(trajectoryLineTimes[i]); |
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332 | slice.SetVisAttributes(&trajectoryLineAttribs); |
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333 | pVVisManager->Draw(slice); |
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334 | } |
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335 | } |
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336 | |
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337 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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338 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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339 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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340 | |
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341 | for (size_t i = 0; i < auxiliaryPoints.size(); ++i ) { |
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342 | G4Polymarker point; |
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343 | point.push_back(auxiliaryPoints[i]); |
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344 | point.SetMarkerType(myContext.GetAuxPtsType()); |
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345 | point.SetSize(myContext.GetAuxPtsSizeType(), myContext.GetAuxPtsSize()); |
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346 | point.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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347 | auxiliaryPointsAttribs.SetStartTime(auxiliaryPointTimes[i]); |
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348 | auxiliaryPointsAttribs.SetEndTime(auxiliaryPointTimes[i]); |
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349 | point.SetVisAttributes(&auxiliaryPointsAttribs); |
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350 | pVVisManager->Draw(point); |
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351 | } |
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352 | } |
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353 | |
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354 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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355 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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356 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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357 | |
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358 | for (size_t i = 0; i < stepPoints.size(); ++i ) { |
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359 | G4Polymarker point; |
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360 | point.push_back(stepPoints[i]); |
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361 | point.SetMarkerType(myContext.GetStepPtsType()); |
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362 | point.SetSize(myContext.GetStepPtsSizeType(), myContext.GetStepPtsSize()); |
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363 | point.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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364 | stepPointsAttribs.SetStartTime(stepPointTimes[i]); |
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365 | stepPointsAttribs.SetEndTime(stepPointTimes[i]); |
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366 | point.SetVisAttributes(&stepPointsAttribs); |
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367 | pVVisManager->Draw(point); |
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368 | } |
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369 | } |
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370 | } |
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371 | |
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372 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4VisTrajContext& context, const G4int& i_mode) |
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373 | { |
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374 | static G4bool warnedAboutIMode = false; |
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375 | std::ostringstream oss; |
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376 | oss << "WARNING: DEPRECATED use of i_mode (i_mode: " << i_mode |
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377 | << "). Feature will be removed at a future major release."; |
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378 | if (!warnedAboutIMode) { |
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379 | G4Exception |
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380 | ("G4TrajectoryDrawerUtils::DrawLineAndPoints(traj, context, i_mode)", |
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381 | "", |
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382 | JustWarning, |
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383 | oss.str().c_str()); |
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384 | warnedAboutIMode = true; |
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385 | } |
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386 | |
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387 | // Extra copy while i_mode is still around |
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388 | G4VisTrajContext myContext(context); |
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389 | |
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390 | if (i_mode != 0) { |
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391 | const G4double markerSize = std::abs(i_mode)/1000; |
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392 | G4bool lineRequired (i_mode >= 0); |
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393 | G4bool markersRequired (markerSize > 0.); |
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394 | |
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395 | myContext.SetDrawLine(lineRequired); |
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396 | myContext.SetDrawAuxPts(markersRequired); |
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397 | myContext.SetDrawStepPts(markersRequired); |
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398 | |
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399 | myContext.SetAuxPtsSize(markerSize); |
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400 | myContext.SetStepPtsSize(markerSize); |
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401 | } |
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402 | |
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403 | // Return if don't need to do anything |
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404 | if (!myContext.GetDrawLine() && !myContext.GetDrawAuxPts() && !myContext.GetDrawStepPts()) return; |
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405 | |
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406 | // Get points to draw |
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407 | G4Polyline trajectoryLine; |
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408 | G4Polymarker stepPoints; |
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409 | G4Polymarker auxiliaryPoints; |
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410 | |
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411 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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412 | |
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413 | if (myContext.GetTimeSliceInterval()) { |
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414 | |
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415 | // Get corresponding track time information, if any |
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416 | std::vector<G4double> trajectoryLineTimes; |
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417 | std::vector<G4double> stepPointTimes; |
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418 | std::vector<G4double> auxiliaryPointTimes; |
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419 | |
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420 | GetTimes(traj, trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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421 | |
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422 | // Check validity |
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423 | if (trajectoryLineTimes.size() != trajectoryLine.size() || |
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424 | stepPointTimes.size() != stepPoints.size() || |
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425 | auxiliaryPointTimes.size() != auxiliaryPoints.size()) { |
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426 | |
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427 | // Revert to drawing without time information... |
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428 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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429 | } else { |
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430 | |
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431 | SliceLine(myContext.GetTimeSliceInterval(), |
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432 | trajectoryLine, trajectoryLineTimes); |
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433 | |
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434 | DrawWithTime(myContext, |
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435 | trajectoryLine, auxiliaryPoints, stepPoints, |
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436 | trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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437 | } |
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438 | |
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439 | } else { |
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440 | |
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441 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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442 | |
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443 | } |
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444 | } |
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445 | |
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446 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4VisTrajContext& context) |
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447 | { |
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448 | // Return if don't need to do anything |
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449 | if (!context.GetDrawLine() && !context.GetDrawAuxPts() && !context.GetDrawStepPts()) return; |
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450 | |
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451 | // Get points to draw |
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452 | G4Polyline trajectoryLine; |
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453 | G4Polymarker stepPoints; |
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454 | G4Polymarker auxiliaryPoints; |
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455 | |
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456 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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457 | |
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458 | if (context.GetTimeSliceInterval()) { |
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459 | |
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460 | // Get corresponding track time information, if any |
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461 | std::vector<G4double> trajectoryLineTimes; |
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462 | std::vector<G4double> stepPointTimes; |
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463 | std::vector<G4double> auxiliaryPointTimes; |
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464 | |
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465 | GetTimes(traj, trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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466 | |
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467 | // Check validity |
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468 | if (trajectoryLineTimes.size() != trajectoryLine.size() || |
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469 | stepPointTimes.size() != stepPoints.size() || |
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470 | auxiliaryPointTimes.size() != auxiliaryPoints.size()) { |
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471 | |
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472 | // Revert to drawing without time information... |
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473 | DrawWithoutTime(context, trajectoryLine, auxiliaryPoints, stepPoints); |
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474 | } else { |
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475 | |
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476 | SliceLine(context.GetTimeSliceInterval(), |
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477 | trajectoryLine, trajectoryLineTimes); |
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478 | |
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479 | DrawWithTime(context, |
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480 | trajectoryLine, auxiliaryPoints, stepPoints, |
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481 | trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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482 | } |
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483 | |
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484 | } else { |
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485 | |
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486 | DrawWithoutTime(context, trajectoryLine, auxiliaryPoints, stepPoints); |
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487 | |
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488 | } |
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489 | } |
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490 | } |
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