1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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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 | // |
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27 | // $Id: G4VTreeSceneHandler.cc,v 1.14 2006/06/29 21:25:11 gunter Exp $ |
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28 | // GEANT4 tag $Name: HEAD $ |
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29 | // |
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30 | // |
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31 | // John Allison 5th April 2001 |
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32 | // A base class for a scene handler to dump geometry hierarchy. |
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33 | // Based on a provisional G4VTreeGraphicsScene (was in modeling). |
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34 | |
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35 | #include "G4VTreeSceneHandler.hh" |
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36 | |
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37 | #include "G4VSolid.hh" |
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38 | #include "G4PhysicalVolumeModel.hh" |
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39 | #include "G4VPhysicalVolume.hh" |
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40 | #include "G4LogicalVolume.hh" |
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41 | |
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42 | G4int G4VTreeSceneHandler::fSceneIdCount = 0; |
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43 | // Counter for Tree scene handlers. |
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44 | |
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45 | G4VTreeSceneHandler::G4VTreeSceneHandler(G4VGraphicsSystem& system, |
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46 | const G4String& name): |
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47 | G4VSceneHandler(system, fSceneIdCount++, name), |
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48 | fpCurrentObjectTransformation (0) |
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49 | {} |
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50 | |
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51 | G4VTreeSceneHandler::~G4VTreeSceneHandler () {} |
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52 | |
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53 | void G4VTreeSceneHandler::BeginModeling() { |
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54 | G4VSceneHandler::BeginModeling(); // Required: see G4VSceneHandler.hh. |
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55 | } |
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56 | |
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57 | void G4VTreeSceneHandler::EndModeling() { |
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58 | fDrawnLVStore.clear(); |
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59 | G4VSceneHandler::EndModeling(); // Required: see G4VSceneHandler.hh. |
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60 | } |
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61 | |
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62 | void G4VTreeSceneHandler::PreAddSolid |
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63 | (const G4Transform3D& objectTransformation, const G4VisAttributes& visAttribs) |
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64 | { |
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65 | G4VSceneHandler::PreAddSolid (objectTransformation, visAttribs); |
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66 | |
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67 | G4PhysicalVolumeModel* pPVModel = |
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68 | dynamic_cast<G4PhysicalVolumeModel*>(fpModel); |
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69 | if (!pPVModel) return; // Not from a G4PhysicalVolumeModel. |
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70 | |
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71 | // This call comes from a G4PhysicalVolumeModel, drawnPVPath is |
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72 | // the path of the current drawn (non-culled) volume in terms of |
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73 | // drawn (non-culled) ancesters. Each node is identified by a |
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74 | // PVNodeID object, which is a physical volume and copy number. It |
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75 | // is a vector of PVNodeIDs corresponding to the geometry hierarchy |
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76 | // actually selected, i.e., not culled. |
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77 | typedef G4PhysicalVolumeModel::G4PhysicalVolumeNodeID PVNodeID; |
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78 | typedef std::vector<PVNodeID> PVPath; |
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79 | const PVPath& drawnPVPath = pPVModel->GetDrawnPVPath(); |
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80 | //G4int currentDepth = pPVModel->GetCurrentDepth(); |
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81 | //G4VPhysicalVolume* pCurrentPV = pPVModel->GetCurrentPV(); |
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82 | //G4LogicalVolume* pCurrentLV = pPVModel->GetCurrentLV(); |
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83 | //G4Material* pCurrentMaterial = pPVModel->GetCurrentMaterial(); |
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84 | |
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85 | // Actually, it is enough to store the logical volume of current |
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86 | // physical volume... |
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87 | fDrawnLVStore.insert |
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88 | (drawnPVPath.back().GetPhysicalVolume()->GetLogicalVolume()); |
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89 | |
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90 | // Find mother. ri points to drawn mother, if any. |
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91 | PVPath::const_reverse_iterator ri = ++drawnPVPath.rbegin(); |
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92 | if (ri != drawnPVPath.rend()) { |
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93 | // This volume has a mother. |
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94 | G4LogicalVolume* drawnMotherLV = |
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95 | ri->GetPhysicalVolume()->GetLogicalVolume(); |
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96 | if (fDrawnLVStore.find(drawnMotherLV) != fDrawnLVStore.end()) { |
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97 | // Mother previously encountered. Add this volume to |
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98 | // appropriate node in scene graph tree. |
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99 | // ... |
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100 | } else { |
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101 | // Mother not previously encountered. Shouldn't happen, since |
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102 | // G4PhysicalVolumeModel sends volumes as it encounters them, |
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103 | // i.e., mothers before daughters, in its descent of the |
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104 | // geometry tree. Error! |
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105 | G4cout << "ERROR: G4XXXSceneHandler::PreAddSolid: Mother " |
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106 | << ri->GetPhysicalVolume()->GetName() |
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107 | << ':' << ri->GetCopyNo() |
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108 | << " not previously encountered." |
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109 | "\nShouldn't happen! Please report to visualization coordinator." |
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110 | << G4endl; |
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111 | // Continue anyway. Add to root of scene graph tree. |
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112 | // ... |
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113 | } |
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114 | } else { |
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115 | // This volume has no mother. Must be a top level un-culled |
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116 | // volume. Add to root of scene graph tree. |
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117 | // ... |
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118 | } |
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119 | } |
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