[834] | 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 1.11 2007/05/30 08:56:55 allison Exp $ |
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[850] | 27 | // GEANT4 tag $Name: HEAD $ |
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[834] | 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 | |
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| 43 | namespace G4TrajectoryDrawerUtils { |
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| 44 | |
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| 45 | |
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| 46 | void GetPoints(const G4VTrajectory& traj, G4Polyline& trajectoryLine, |
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| 47 | G4Polymarker& auxiliaryPoints, G4Polymarker& stepPoints) |
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| 48 | { |
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| 49 | for (G4int i=0; i<traj.GetPointEntries(); i++) { |
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| 50 | G4VTrajectoryPoint* aTrajectoryPoint = traj.GetPoint(i); |
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| 51 | |
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| 52 | const std::vector<G4ThreeVector>* auxiliaries |
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| 53 | = aTrajectoryPoint->GetAuxiliaryPoints(); |
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| 54 | |
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| 55 | if (0 != auxiliaries) { |
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| 56 | for (size_t iAux=0; iAux<auxiliaries->size(); ++iAux) { |
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| 57 | const G4ThreeVector pos((*auxiliaries)[iAux]); |
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| 58 | trajectoryLine.push_back(pos); |
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| 59 | auxiliaryPoints.push_back(pos); |
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| 60 | } |
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| 61 | } |
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| 62 | const G4ThreeVector pos(aTrajectoryPoint->GetPosition()); |
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| 63 | trajectoryLine.push_back(pos); |
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| 64 | stepPoints.push_back(pos); |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4int& i_mode, const G4Colour& colour, const G4bool& visible) { |
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| 69 | // If i_mode>=0, draws a trajectory as a polyline (default is blue for |
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| 70 | // positive, red for negative, green for neutral) and, if i_mode!=0, |
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| 71 | // adds markers - yellow circles for step points and magenta squares |
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| 72 | // for auxiliary points, if any - whose screen size in pixels is |
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| 73 | // given by std::abs(i_mode)/1000. E.g: i_mode = 5000 gives easily |
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| 74 | // visible markers. |
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| 75 | |
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| 76 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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| 77 | if (0 == pVVisManager) return; |
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| 78 | |
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| 79 | const G4double markerSize = std::abs(i_mode)/1000; |
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| 80 | G4bool lineRequired (i_mode >= 0); |
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| 81 | G4bool markersRequired (markerSize > 0.); |
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| 82 | |
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| 83 | // Return if don't need to do anything |
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| 84 | if (!lineRequired && !markersRequired) return; |
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| 85 | |
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| 86 | // Get points to draw |
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| 87 | G4Polyline trajectoryLine; |
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| 88 | G4Polymarker stepPoints; |
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| 89 | G4Polymarker auxiliaryPoints; |
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| 90 | |
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| 91 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 92 | |
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| 93 | if (lineRequired) { |
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| 94 | G4VisAttributes trajectoryLineAttribs(colour); |
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| 95 | trajectoryLineAttribs.SetVisibility(visible); |
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| 96 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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| 97 | pVVisManager->Draw(trajectoryLine); |
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| 98 | } |
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| 99 | |
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| 100 | if (markersRequired) { |
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| 101 | auxiliaryPoints.SetMarkerType(G4Polymarker::squares); |
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| 102 | auxiliaryPoints.SetScreenSize(markerSize); |
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| 103 | auxiliaryPoints.SetFillStyle(G4VMarker::filled); |
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| 104 | G4VisAttributes auxiliaryPointsAttribs(G4Colour(0.,1.,1.)); // Magenta |
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| 105 | auxiliaryPointsAttribs.SetVisibility(visible); |
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| 106 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 107 | pVVisManager->Draw(auxiliaryPoints); |
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| 108 | |
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| 109 | stepPoints.SetMarkerType(G4Polymarker::circles); |
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| 110 | stepPoints.SetScreenSize(markerSize); |
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| 111 | stepPoints.SetFillStyle(G4VMarker::filled); |
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| 112 | G4VisAttributes stepPointsAttribs(G4Colour(1.,1.,0.)); // Yellow. |
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| 113 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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| 114 | pVVisManager->Draw(stepPoints); |
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| 115 | } |
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| 116 | |
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| 117 | } |
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| 118 | |
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| 119 | static void GetTimes(const G4VTrajectory& traj, |
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| 120 | std::vector<G4double>& trajectoryLineTimes, |
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| 121 | std::vector<G4double>& auxiliaryPointTimes, |
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| 122 | std::vector<G4double>& stepPointTimes) |
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| 123 | { |
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| 124 | // It is important check that the sizes of times vectors produced |
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| 125 | // by this function matches those of points vectors from |
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| 126 | // GetPoints. If not, assume that the time information is |
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| 127 | // invalid. |
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| 128 | |
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| 129 | G4ThreeVector lastTrajectoryPointPosition; |
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| 130 | for (G4int i=0; i<traj.GetPointEntries(); i++) { |
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| 131 | G4VTrajectoryPoint* aTrajectoryPoint = traj.GetPoint(i); |
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| 132 | |
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| 133 | // Pre- and Post-Point times from the trajectory point... |
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| 134 | G4double trajectoryPointPreTime = -DBL_MAX; |
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| 135 | G4double trajectoryPointPostTime = DBL_MAX; |
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| 136 | std::vector<G4AttValue>* trajectoryPointAttValues = |
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| 137 | aTrajectoryPoint->CreateAttValues(); |
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| 138 | if (!trajectoryPointAttValues) { |
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| 139 | G4cout << "G4TrajectoryDrawerUtils::GetTimes: no att values." |
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| 140 | << G4endl; |
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| 141 | return; |
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| 142 | } else { |
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| 143 | G4bool foundPreTime = false, foundPostTime = false; |
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| 144 | for (std::vector<G4AttValue>::iterator i = |
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| 145 | trajectoryPointAttValues->begin(); |
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| 146 | i != trajectoryPointAttValues->end(); ++i) { |
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| 147 | if (i->GetName() == "PreT") { |
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| 148 | trajectoryPointPreTime = |
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| 149 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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| 150 | foundPreTime = true; |
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| 151 | } |
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| 152 | if (i->GetName() == "PostT") { |
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| 153 | trajectoryPointPostTime = |
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| 154 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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| 155 | foundPostTime = true; |
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| 156 | } |
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| 157 | } |
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| 158 | if (!foundPreTime || !foundPostTime) { |
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| 159 | static G4bool warnedTimesNotFound = false; |
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| 160 | if (!warnedTimesNotFound) { |
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| 161 | G4cout << |
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| 162 | "WARNING: G4TrajectoryDrawerUtils::GetTimes: times not found." |
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| 163 | << G4endl; |
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| 164 | warnedTimesNotFound = true; |
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| 165 | } |
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| 166 | return; |
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| 167 | } |
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| 168 | } |
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| 169 | |
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| 170 | const G4ThreeVector& trajectoryPointPosition = |
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| 171 | aTrajectoryPoint->GetPosition(); |
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| 172 | |
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| 173 | const std::vector<G4ThreeVector>* auxiliaries |
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| 174 | = aTrajectoryPoint->GetAuxiliaryPoints(); |
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| 175 | |
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| 176 | if (0 != auxiliaries) { |
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| 177 | for (size_t iAux=0; iAux<auxiliaries->size(); ++iAux) { |
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| 178 | // Interpolate time for auxiliary points... |
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| 179 | const G4ThreeVector pos((*auxiliaries)[iAux]); |
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| 180 | G4double s1 = (pos - lastTrajectoryPointPosition).mag(); |
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| 181 | G4double s2 = (trajectoryPointPosition - pos).mag(); |
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| 182 | G4double t = trajectoryPointPreTime + |
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| 183 | (trajectoryPointPostTime - trajectoryPointPreTime) * |
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| 184 | (s1 / (s1 + s2)); |
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| 185 | trajectoryLineTimes.push_back(t); |
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| 186 | auxiliaryPointTimes.push_back(t); |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | trajectoryLineTimes.push_back(trajectoryPointPostTime); |
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| 191 | stepPointTimes.push_back(trajectoryPointPostTime); |
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| 192 | |
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| 193 | lastTrajectoryPointPosition = trajectoryPointPosition; |
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| 194 | } |
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| 195 | } |
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| 196 | |
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| 197 | static void SliceLine(G4double timeIncrement, |
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| 198 | G4Polyline& trajectoryLine, |
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| 199 | std::vector<G4double>& trajectoryLineTimes) |
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| 200 | { |
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| 201 | // Assumes valid arguments from GetPoints and GetTimes. |
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| 202 | |
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| 203 | G4Polyline newTrajectoryLine; |
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| 204 | std::vector<G4double> newTrajectoryLineTimes; |
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| 205 | |
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| 206 | newTrajectoryLine.push_back(trajectoryLine[0]); |
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| 207 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[0]); |
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| 208 | size_t lineSize = trajectoryLine.size(); |
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| 209 | if (lineSize > 1) { |
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| 210 | for (size_t i = 1; i < trajectoryLine.size(); ++i) { |
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| 211 | G4double deltaT = trajectoryLineTimes[i] - trajectoryLineTimes[i - 1]; |
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| 212 | if (deltaT > 0.) { |
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| 213 | G4double practicalTimeIncrement = |
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| 214 | std::max(timeIncrement, deltaT / 100.); |
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| 215 | for (G4double t = |
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| 216 | (int(trajectoryLineTimes[i - 1]/practicalTimeIncrement) + 1) * |
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| 217 | practicalTimeIncrement; |
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| 218 | t <= trajectoryLineTimes[i]; |
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| 219 | t += practicalTimeIncrement) { |
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| 220 | G4ThreeVector pos = trajectoryLine[i - 1] + |
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| 221 | (trajectoryLine[i] - trajectoryLine[i - 1]) * |
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| 222 | ((t - trajectoryLineTimes[i - 1]) / deltaT); |
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| 223 | newTrajectoryLine.push_back(pos); |
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| 224 | newTrajectoryLineTimes.push_back(t); |
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| 225 | } |
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| 226 | } |
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| 227 | newTrajectoryLine.push_back(trajectoryLine[i]); |
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| 228 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[i]); |
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| 229 | } |
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| 230 | } |
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| 231 | |
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| 232 | trajectoryLine = newTrajectoryLine; |
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| 233 | trajectoryLineTimes = newTrajectoryLineTimes; |
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| 234 | } |
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| 235 | |
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| 236 | static void DrawWithoutTime(const G4VisTrajContext& myContext, |
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| 237 | G4Polyline& trajectoryLine, |
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| 238 | G4Polymarker& auxiliaryPoints, |
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| 239 | G4Polymarker& stepPoints) |
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| 240 | { |
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| 241 | // Draw without time slice information |
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| 242 | |
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| 243 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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| 244 | if (0 == pVVisManager) return; |
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| 245 | |
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| 246 | if (myContext.GetDrawLine()) { |
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| 247 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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| 248 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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| 249 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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| 250 | |
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| 251 | pVVisManager->Draw(trajectoryLine); |
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| 252 | } |
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| 253 | |
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| 254 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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| 255 | auxiliaryPoints.SetMarkerType(myContext.GetAuxPtsType()); |
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| 256 | auxiliaryPoints.SetScreenSize(myContext.GetAuxPtsSize()); |
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| 257 | auxiliaryPoints.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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| 258 | |
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| 259 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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| 260 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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| 261 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 262 | |
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| 263 | pVVisManager->Draw(auxiliaryPoints); |
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| 264 | } |
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| 265 | |
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| 266 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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| 267 | stepPoints.SetMarkerType(myContext.GetStepPtsType()); |
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| 268 | stepPoints.SetScreenSize(myContext.GetStepPtsSize()); |
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| 269 | stepPoints.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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| 270 | |
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| 271 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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| 272 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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| 273 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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| 274 | |
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| 275 | pVVisManager->Draw(stepPoints); |
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| 276 | } |
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| 277 | } |
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| 278 | |
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| 279 | static void DrawWithTime(const G4VisTrajContext& myContext, |
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| 280 | G4Polyline& trajectoryLine, |
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| 281 | G4Polymarker& auxiliaryPoints, |
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| 282 | G4Polymarker& stepPoints, |
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| 283 | std::vector<G4double>& trajectoryLineTimes, |
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| 284 | std::vector<G4double>& auxiliaryPointTimes, |
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| 285 | std::vector<G4double>& stepPointTimes) |
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| 286 | { |
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| 287 | // Draw with time slice information |
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| 288 | |
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| 289 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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| 290 | if (0 == pVVisManager) return; |
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| 291 | |
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| 292 | if (myContext.GetDrawLine()) { |
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| 293 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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| 294 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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| 295 | |
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| 296 | for (size_t i = 1; i < trajectoryLine.size(); ++i ) { |
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| 297 | G4Polyline slice; |
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| 298 | slice.push_back(trajectoryLine[i -1]); |
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| 299 | slice.push_back(trajectoryLine[i]); |
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| 300 | trajectoryLineAttribs.SetStartTime(trajectoryLineTimes[i - 1]); |
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| 301 | trajectoryLineAttribs.SetEndTime(trajectoryLineTimes[i]); |
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| 302 | slice.SetVisAttributes(&trajectoryLineAttribs); |
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| 303 | pVVisManager->Draw(slice); |
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| 304 | } |
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| 305 | } |
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| 306 | |
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| 307 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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| 308 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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| 309 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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| 310 | |
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| 311 | for (size_t i = 0; i < auxiliaryPoints.size(); ++i ) { |
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| 312 | G4Polymarker point; |
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| 313 | point.push_back(auxiliaryPoints[i]); |
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| 314 | point.SetMarkerType(myContext.GetAuxPtsType()); |
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| 315 | point.SetScreenSize(myContext.GetAuxPtsSize()); |
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| 316 | point.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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| 317 | auxiliaryPointsAttribs.SetStartTime(auxiliaryPointTimes[i]); |
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| 318 | auxiliaryPointsAttribs.SetEndTime(auxiliaryPointTimes[i]); |
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| 319 | point.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 320 | pVVisManager->Draw(point); |
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| 321 | } |
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| 322 | } |
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| 323 | |
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| 324 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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| 325 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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| 326 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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| 327 | |
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| 328 | for (size_t i = 0; i < stepPoints.size(); ++i ) { |
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| 329 | G4Polymarker point; |
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| 330 | point.push_back(stepPoints[i]); |
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| 331 | point.SetMarkerType(myContext.GetStepPtsType()); |
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| 332 | point.SetScreenSize(myContext.GetStepPtsSize()); |
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| 333 | point.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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| 334 | stepPointsAttribs.SetStartTime(stepPointTimes[i]); |
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| 335 | stepPointsAttribs.SetEndTime(stepPointTimes[i]); |
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| 336 | point.SetVisAttributes(&stepPointsAttribs); |
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| 337 | pVVisManager->Draw(point); |
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| 338 | } |
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| 339 | } |
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| 340 | } |
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| 341 | |
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| 342 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4VisTrajContext& context, const G4int& i_mode) |
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| 343 | { |
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| 344 | // Extra copy while i_mode is still around |
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| 345 | G4VisTrajContext myContext(context); |
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| 346 | |
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| 347 | if (i_mode != 0) { |
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| 348 | const G4double markerSize = std::abs(i_mode)/1000; |
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| 349 | G4bool lineRequired (i_mode >= 0); |
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| 350 | G4bool markersRequired (markerSize > 0.); |
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| 351 | |
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| 352 | myContext.SetDrawLine(lineRequired); |
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| 353 | myContext.SetDrawAuxPts(markersRequired); |
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| 354 | myContext.SetDrawStepPts(markersRequired); |
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| 355 | |
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| 356 | myContext.SetAuxPtsSize(markerSize); |
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| 357 | myContext.SetStepPtsSize(markerSize); |
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| 358 | |
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| 359 | static G4bool warnedAboutIMode = false; |
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| 360 | |
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| 361 | if (!warnedAboutIMode) { |
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| 362 | G4cout<<"Trajectory drawing configuration will be based on imode value of "<<i_mode<<G4endl; |
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| 363 | warnedAboutIMode = true; |
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| 364 | } |
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| 365 | } |
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| 366 | |
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| 367 | // Return if don't need to do anything |
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| 368 | if (!myContext.GetDrawLine() && !myContext.GetDrawAuxPts() && !myContext.GetDrawStepPts()) return; |
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| 369 | |
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| 370 | // Get points to draw |
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| 371 | G4Polyline trajectoryLine; |
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| 372 | G4Polymarker stepPoints; |
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| 373 | G4Polymarker auxiliaryPoints; |
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| 374 | |
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| 375 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 376 | |
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| 377 | if (myContext.GetTimeSliceInterval()) { |
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| 378 | |
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| 379 | // Get corresponding track time information, if any |
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| 380 | std::vector<G4double> trajectoryLineTimes; |
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| 381 | std::vector<G4double> stepPointTimes; |
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| 382 | std::vector<G4double> auxiliaryPointTimes; |
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| 383 | |
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| 384 | GetTimes(traj, trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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| 385 | |
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| 386 | // Check validity |
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| 387 | if (trajectoryLineTimes.size() != trajectoryLine.size() || |
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| 388 | stepPointTimes.size() != stepPoints.size() || |
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| 389 | auxiliaryPointTimes.size() != auxiliaryPoints.size()) { |
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| 390 | |
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| 391 | // Revert to drawing without time information... |
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| 392 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 393 | } else { |
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| 394 | |
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| 395 | SliceLine(myContext.GetTimeSliceInterval(), |
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| 396 | trajectoryLine, trajectoryLineTimes); |
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| 397 | |
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| 398 | DrawWithTime(myContext, |
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| 399 | trajectoryLine, auxiliaryPoints, stepPoints, |
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| 400 | trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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| 401 | } |
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| 402 | |
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| 403 | } else { |
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| 404 | |
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| 405 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 406 | |
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| 407 | } |
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| 408 | } |
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| 409 | } |
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