[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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[931] | 26 | // $Id: G4TrajectoryDrawerUtils.cc,v 1.12 2009/02/24 12:00:56 allison Exp $ |
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| 27 | // GEANT4 tag $Name: modeling-V09-02-00 $ |
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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 | if (lineRequired) { |
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| 93 | G4VisAttributes trajectoryLineAttribs(colour); |
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| 94 | trajectoryLineAttribs.SetVisibility(visible); |
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| 95 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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| 96 | pVVisManager->Draw(trajectoryLine); |
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| 97 | } |
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| 98 | |
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| 99 | if (markersRequired) { |
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| 100 | auxiliaryPoints.SetMarkerType(G4Polymarker::squares); |
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| 101 | auxiliaryPoints.SetScreenSize(markerSize); |
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| 102 | auxiliaryPoints.SetFillStyle(G4VMarker::filled); |
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| 103 | G4VisAttributes auxiliaryPointsAttribs(G4Colour(0.,1.,1.)); // Magenta |
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| 104 | auxiliaryPointsAttribs.SetVisibility(visible); |
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| 105 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 106 | pVVisManager->Draw(auxiliaryPoints); |
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| 107 | |
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| 108 | stepPoints.SetMarkerType(G4Polymarker::circles); |
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| 109 | stepPoints.SetScreenSize(markerSize); |
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| 110 | stepPoints.SetFillStyle(G4VMarker::filled); |
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| 111 | G4VisAttributes stepPointsAttribs(G4Colour(1.,1.,0.)); // Yellow. |
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| 112 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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| 113 | pVVisManager->Draw(stepPoints); |
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| 114 | } |
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| 115 | |
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| 116 | } |
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| 117 | |
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| 118 | static void GetTimes(const G4VTrajectory& traj, |
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| 119 | std::vector<G4double>& trajectoryLineTimes, |
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| 120 | std::vector<G4double>& auxiliaryPointTimes, |
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| 121 | std::vector<G4double>& stepPointTimes) |
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| 122 | { |
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| 123 | // It is important check that the sizes of times vectors produced |
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| 124 | // by this function matches those of points vectors from |
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| 125 | // GetPoints. If not, assume that the time information is |
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| 126 | // invalid. |
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| 127 | |
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| 128 | G4ThreeVector lastTrajectoryPointPosition; |
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| 129 | for (G4int i=0; i<traj.GetPointEntries(); i++) { |
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| 130 | G4VTrajectoryPoint* aTrajectoryPoint = traj.GetPoint(i); |
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| 131 | |
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| 132 | // Pre- and Post-Point times from the trajectory point... |
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| 133 | G4double trajectoryPointPreTime = -DBL_MAX; |
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| 134 | G4double trajectoryPointPostTime = DBL_MAX; |
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| 135 | std::vector<G4AttValue>* trajectoryPointAttValues = |
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| 136 | aTrajectoryPoint->CreateAttValues(); |
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| 137 | if (!trajectoryPointAttValues) { |
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| 138 | G4cout << "G4TrajectoryDrawerUtils::GetTimes: no att values." |
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| 139 | << G4endl; |
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| 140 | return; |
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| 141 | } else { |
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| 142 | G4bool foundPreTime = false, foundPostTime = false; |
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| 143 | for (std::vector<G4AttValue>::iterator i = |
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| 144 | trajectoryPointAttValues->begin(); |
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| 145 | i != trajectoryPointAttValues->end(); ++i) { |
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| 146 | if (i->GetName() == "PreT") { |
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| 147 | trajectoryPointPreTime = |
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| 148 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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| 149 | foundPreTime = true; |
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| 150 | } |
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| 151 | if (i->GetName() == "PostT") { |
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| 152 | trajectoryPointPostTime = |
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| 153 | G4UIcommand::ConvertToDimensionedDouble(i->GetValue()); |
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| 154 | foundPostTime = true; |
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| 155 | } |
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| 156 | } |
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| 157 | if (!foundPreTime || !foundPostTime) { |
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| 158 | static G4bool warnedTimesNotFound = false; |
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| 159 | if (!warnedTimesNotFound) { |
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| 160 | G4cout << |
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| 161 | "WARNING: G4TrajectoryDrawerUtils::GetTimes: times not found." |
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| 162 | << G4endl; |
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| 163 | warnedTimesNotFound = true; |
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| 164 | } |
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| 165 | return; |
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| 166 | } |
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| 167 | } |
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| 168 | |
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| 169 | const G4ThreeVector& trajectoryPointPosition = |
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| 170 | aTrajectoryPoint->GetPosition(); |
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| 171 | |
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| 172 | const std::vector<G4ThreeVector>* auxiliaries |
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| 173 | = aTrajectoryPoint->GetAuxiliaryPoints(); |
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| 174 | |
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| 175 | if (0 != auxiliaries) { |
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| 176 | for (size_t iAux=0; iAux<auxiliaries->size(); ++iAux) { |
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| 177 | // Interpolate time for auxiliary points... |
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| 178 | const G4ThreeVector pos((*auxiliaries)[iAux]); |
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| 179 | G4double s1 = (pos - lastTrajectoryPointPosition).mag(); |
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| 180 | G4double s2 = (trajectoryPointPosition - pos).mag(); |
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| 181 | G4double t = trajectoryPointPreTime + |
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| 182 | (trajectoryPointPostTime - trajectoryPointPreTime) * |
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| 183 | (s1 / (s1 + s2)); |
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| 184 | trajectoryLineTimes.push_back(t); |
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| 185 | auxiliaryPointTimes.push_back(t); |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | trajectoryLineTimes.push_back(trajectoryPointPostTime); |
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| 190 | stepPointTimes.push_back(trajectoryPointPostTime); |
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| 191 | |
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| 192 | lastTrajectoryPointPosition = trajectoryPointPosition; |
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| 193 | } |
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| 194 | } |
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| 195 | |
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| 196 | static void SliceLine(G4double timeIncrement, |
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| 197 | G4Polyline& trajectoryLine, |
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| 198 | std::vector<G4double>& trajectoryLineTimes) |
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| 199 | { |
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| 200 | // Assumes valid arguments from GetPoints and GetTimes. |
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| 201 | |
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| 202 | G4Polyline newTrajectoryLine; |
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| 203 | std::vector<G4double> newTrajectoryLineTimes; |
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| 204 | |
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| 205 | newTrajectoryLine.push_back(trajectoryLine[0]); |
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| 206 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[0]); |
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| 207 | size_t lineSize = trajectoryLine.size(); |
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| 208 | if (lineSize > 1) { |
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| 209 | for (size_t i = 1; i < trajectoryLine.size(); ++i) { |
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| 210 | G4double deltaT = trajectoryLineTimes[i] - trajectoryLineTimes[i - 1]; |
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| 211 | if (deltaT > 0.) { |
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| 212 | G4double practicalTimeIncrement = |
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| 213 | std::max(timeIncrement, deltaT / 100.); |
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| 214 | for (G4double t = |
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| 215 | (int(trajectoryLineTimes[i - 1]/practicalTimeIncrement) + 1) * |
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| 216 | practicalTimeIncrement; |
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| 217 | t <= trajectoryLineTimes[i]; |
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| 218 | t += practicalTimeIncrement) { |
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| 219 | G4ThreeVector pos = trajectoryLine[i - 1] + |
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| 220 | (trajectoryLine[i] - trajectoryLine[i - 1]) * |
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| 221 | ((t - trajectoryLineTimes[i - 1]) / deltaT); |
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| 222 | newTrajectoryLine.push_back(pos); |
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| 223 | newTrajectoryLineTimes.push_back(t); |
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| 224 | } |
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| 225 | } |
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| 226 | newTrajectoryLine.push_back(trajectoryLine[i]); |
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| 227 | newTrajectoryLineTimes.push_back(trajectoryLineTimes[i]); |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | trajectoryLine = newTrajectoryLine; |
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| 232 | trajectoryLineTimes = newTrajectoryLineTimes; |
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| 233 | } |
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| 234 | |
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| 235 | static void DrawWithoutTime(const G4VisTrajContext& myContext, |
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| 236 | G4Polyline& trajectoryLine, |
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| 237 | G4Polymarker& auxiliaryPoints, |
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| 238 | G4Polymarker& stepPoints) |
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| 239 | { |
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| 240 | // Draw without time slice information |
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| 241 | |
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[935] | 242 | // |
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| 243 | for (size_t iPoint = 0; iPoint < trajectoryLine.size (); iPoint++) { |
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[936] | 244 | printf("DrawLineAndPoints trajectory i:%d/%d center:%f,%f,%f\n",iPoint,trajectoryLine.size (),trajectoryLine[iPoint].x(),trajectoryLine[iPoint].y(),trajectoryLine[iPoint].z()); |
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[935] | 245 | } |
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| 246 | for (size_t iPoint = 0; iPoint < auxiliaryPoints.size (); iPoint++) { |
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| 247 | printf("DrawLineAndPoints aux i:%d/%d center:%f,%f,%f\n",iPoint,auxiliaryPoints.size (),auxiliaryPoints[iPoint].x(),auxiliaryPoints[iPoint].y(),auxiliaryPoints[iPoint].z()); |
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| 248 | } |
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| 249 | for (size_t iPoint = 0; iPoint < stepPoints.size (); iPoint++) { |
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| 250 | printf("DrawLineAndPoints step i:%d/%d center:%f,%f,%f\n",iPoint,stepPoints.size (),stepPoints[iPoint].x(),stepPoints[iPoint].y(),stepPoints[iPoint].z()); |
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| 251 | } |
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| 252 | // |
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[834] | 253 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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| 254 | if (0 == pVVisManager) return; |
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| 255 | |
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| 256 | if (myContext.GetDrawLine()) { |
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| 257 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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| 258 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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| 259 | trajectoryLine.SetVisAttributes(&trajectoryLineAttribs); |
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| 260 | |
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| 261 | pVVisManager->Draw(trajectoryLine); |
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| 262 | } |
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| 263 | |
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| 264 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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| 265 | auxiliaryPoints.SetMarkerType(myContext.GetAuxPtsType()); |
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[931] | 266 | auxiliaryPoints.SetSize(myContext.GetAuxPtsSizeType(), myContext.GetAuxPtsSize()); |
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[834] | 267 | auxiliaryPoints.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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| 268 | |
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| 269 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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| 270 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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| 271 | auxiliaryPoints.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 272 | |
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| 273 | pVVisManager->Draw(auxiliaryPoints); |
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| 274 | } |
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| 275 | |
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| 276 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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| 277 | stepPoints.SetMarkerType(myContext.GetStepPtsType()); |
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[931] | 278 | stepPoints.SetSize(myContext.GetStepPtsSizeType(), myContext.GetStepPtsSize()); |
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[834] | 279 | stepPoints.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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| 280 | |
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| 281 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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| 282 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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| 283 | stepPoints.SetVisAttributes(&stepPointsAttribs); |
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| 284 | |
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| 285 | pVVisManager->Draw(stepPoints); |
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| 286 | } |
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| 287 | } |
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| 288 | |
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| 289 | static void DrawWithTime(const G4VisTrajContext& myContext, |
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| 290 | G4Polyline& trajectoryLine, |
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| 291 | G4Polymarker& auxiliaryPoints, |
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| 292 | G4Polymarker& stepPoints, |
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| 293 | std::vector<G4double>& trajectoryLineTimes, |
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| 294 | std::vector<G4double>& auxiliaryPointTimes, |
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| 295 | std::vector<G4double>& stepPointTimes) |
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| 296 | { |
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| 297 | // Draw with time slice information |
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| 298 | |
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| 299 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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| 300 | if (0 == pVVisManager) return; |
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| 301 | |
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| 302 | if (myContext.GetDrawLine()) { |
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| 303 | G4VisAttributes trajectoryLineAttribs(myContext.GetLineColour()); |
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| 304 | trajectoryLineAttribs.SetVisibility(myContext.GetLineVisible()); |
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| 305 | |
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| 306 | for (size_t i = 1; i < trajectoryLine.size(); ++i ) { |
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| 307 | G4Polyline slice; |
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| 308 | slice.push_back(trajectoryLine[i -1]); |
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| 309 | slice.push_back(trajectoryLine[i]); |
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| 310 | trajectoryLineAttribs.SetStartTime(trajectoryLineTimes[i - 1]); |
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| 311 | trajectoryLineAttribs.SetEndTime(trajectoryLineTimes[i]); |
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| 312 | slice.SetVisAttributes(&trajectoryLineAttribs); |
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| 313 | pVVisManager->Draw(slice); |
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| 314 | } |
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| 315 | } |
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| 316 | |
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| 317 | if (myContext.GetDrawAuxPts() && (auxiliaryPoints.size() > 0)) { |
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| 318 | G4VisAttributes auxiliaryPointsAttribs(myContext.GetAuxPtsColour()); |
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| 319 | auxiliaryPointsAttribs.SetVisibility(myContext.GetAuxPtsVisible()); |
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| 320 | |
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| 321 | for (size_t i = 0; i < auxiliaryPoints.size(); ++i ) { |
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| 322 | G4Polymarker point; |
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| 323 | point.push_back(auxiliaryPoints[i]); |
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| 324 | point.SetMarkerType(myContext.GetAuxPtsType()); |
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[931] | 325 | point.SetSize(myContext.GetAuxPtsSizeType(), myContext.GetAuxPtsSize()); |
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[834] | 326 | point.SetFillStyle(myContext.GetAuxPtsFillStyle()); |
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| 327 | auxiliaryPointsAttribs.SetStartTime(auxiliaryPointTimes[i]); |
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| 328 | auxiliaryPointsAttribs.SetEndTime(auxiliaryPointTimes[i]); |
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| 329 | point.SetVisAttributes(&auxiliaryPointsAttribs); |
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| 330 | pVVisManager->Draw(point); |
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| 331 | } |
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| 332 | } |
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| 333 | |
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| 334 | if (myContext.GetDrawStepPts() && (stepPoints.size() > 0)) { |
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| 335 | G4VisAttributes stepPointsAttribs(myContext.GetStepPtsColour()); |
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| 336 | stepPointsAttribs.SetVisibility(myContext.GetStepPtsVisible()); |
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| 337 | |
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| 338 | for (size_t i = 0; i < stepPoints.size(); ++i ) { |
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| 339 | G4Polymarker point; |
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| 340 | point.push_back(stepPoints[i]); |
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| 341 | point.SetMarkerType(myContext.GetStepPtsType()); |
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[931] | 342 | point.SetSize(myContext.GetStepPtsSizeType(), myContext.GetStepPtsSize()); |
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[834] | 343 | point.SetFillStyle(myContext.GetStepPtsFillStyle()); |
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| 344 | stepPointsAttribs.SetStartTime(stepPointTimes[i]); |
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| 345 | stepPointsAttribs.SetEndTime(stepPointTimes[i]); |
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| 346 | point.SetVisAttributes(&stepPointsAttribs); |
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| 347 | pVVisManager->Draw(point); |
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| 348 | } |
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| 349 | } |
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| 350 | } |
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| 351 | |
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| 352 | void DrawLineAndPoints(const G4VTrajectory& traj, const G4VisTrajContext& context, const G4int& i_mode) |
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| 353 | { |
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| 354 | // Extra copy while i_mode is still around |
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| 355 | G4VisTrajContext myContext(context); |
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| 356 | |
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| 357 | if (i_mode != 0) { |
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| 358 | const G4double markerSize = std::abs(i_mode)/1000; |
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| 359 | G4bool lineRequired (i_mode >= 0); |
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| 360 | G4bool markersRequired (markerSize > 0.); |
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| 361 | |
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| 362 | myContext.SetDrawLine(lineRequired); |
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| 363 | myContext.SetDrawAuxPts(markersRequired); |
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| 364 | myContext.SetDrawStepPts(markersRequired); |
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| 365 | |
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| 366 | myContext.SetAuxPtsSize(markerSize); |
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| 367 | myContext.SetStepPtsSize(markerSize); |
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| 368 | |
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| 369 | static G4bool warnedAboutIMode = false; |
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| 370 | |
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| 371 | if (!warnedAboutIMode) { |
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| 372 | G4cout<<"Trajectory drawing configuration will be based on imode value of "<<i_mode<<G4endl; |
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| 373 | warnedAboutIMode = true; |
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| 374 | } |
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| 375 | } |
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| 376 | |
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| 377 | // Return if don't need to do anything |
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| 378 | if (!myContext.GetDrawLine() && !myContext.GetDrawAuxPts() && !myContext.GetDrawStepPts()) return; |
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| 379 | |
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| 380 | // Get points to draw |
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| 381 | G4Polyline trajectoryLine; |
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| 382 | G4Polymarker stepPoints; |
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| 383 | G4Polymarker auxiliaryPoints; |
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| 384 | |
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| 385 | GetPoints(traj, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 386 | |
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| 387 | if (myContext.GetTimeSliceInterval()) { |
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| 388 | |
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| 389 | // Get corresponding track time information, if any |
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| 390 | std::vector<G4double> trajectoryLineTimes; |
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| 391 | std::vector<G4double> stepPointTimes; |
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| 392 | std::vector<G4double> auxiliaryPointTimes; |
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| 393 | |
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| 394 | GetTimes(traj, trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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| 395 | |
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| 396 | // Check validity |
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| 397 | if (trajectoryLineTimes.size() != trajectoryLine.size() || |
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| 398 | stepPointTimes.size() != stepPoints.size() || |
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| 399 | auxiliaryPointTimes.size() != auxiliaryPoints.size()) { |
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| 400 | |
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| 401 | // Revert to drawing without time information... |
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| 402 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 403 | } else { |
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| 404 | |
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| 405 | SliceLine(myContext.GetTimeSliceInterval(), |
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| 406 | trajectoryLine, trajectoryLineTimes); |
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| 407 | |
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| 408 | DrawWithTime(myContext, |
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| 409 | trajectoryLine, auxiliaryPoints, stepPoints, |
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| 410 | trajectoryLineTimes, auxiliaryPointTimes, stepPointTimes); |
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| 411 | } |
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| 412 | |
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| 413 | } else { |
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| 414 | |
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| 415 | DrawWithoutTime(myContext, trajectoryLine, auxiliaryPoints, stepPoints); |
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| 416 | |
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| 417 | } |
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| 418 | } |
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| 419 | } |
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