[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 | // |
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| 27 | // $Id: G4VTreeSceneHandler.cc,v 1.14 2006/06/29 21:25:11 gunter Exp $ |
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[954] | 28 | // GEANT4 tag $Name: $ |
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[834] | 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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