[831] | 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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[1228] | 27 | // $Id: G4Region.cc,v 1.27 2009/11/27 16:34:37 gcosmo Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-03 $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // class G4Region Implementation |
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| 32 | // |
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| 33 | // -------------------------------------------------------------------- |
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| 34 | |
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| 35 | #include "G4Region.hh" |
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| 36 | #include "G4RegionStore.hh" |
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| 37 | #include "G4LogicalVolume.hh" |
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| 38 | #include "G4VPhysicalVolume.hh" |
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| 39 | #include "G4LogicalVolumeStore.hh" |
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| 40 | #include "G4VNestedParameterisation.hh" |
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| 41 | #include "G4VUserRegionInformation.hh" |
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| 42 | |
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| 43 | // ******************************************************************* |
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| 44 | // Constructor: |
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| 45 | // - Adds self to region Store |
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| 46 | // ******************************************************************* |
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| 47 | // |
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| 48 | G4Region::G4Region(const G4String& pName) |
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| 49 | : fName(pName), fRegionMod(true), fCut(0), fUserInfo(0), fUserLimits(0), |
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[1228] | 50 | fFieldManager(0), fFastSimulationManager(0), fWorldPhys(0), |
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| 51 | fRegionalSteppingAction(0) |
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[831] | 52 | { |
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| 53 | G4RegionStore* rStore = G4RegionStore::GetInstance(); |
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| 54 | if (rStore->GetRegion(pName,false)) |
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| 55 | { |
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| 56 | G4cerr << "WARNING - G4Region::G4Region()" << G4endl |
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| 57 | << " Region " << pName << " already existing in store !" |
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| 58 | << G4endl; |
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| 59 | G4Exception("G4Region::G4Region()", "InvalidSetup", JustWarning, |
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| 60 | "The region has NOT been registered !"); |
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| 61 | } |
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| 62 | else |
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| 63 | { |
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| 64 | rStore->Register(this); |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | // ******************************************************************** |
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| 69 | // Fake default constructor - sets only member data and allocates memory |
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| 70 | // for usage restricted to object persistency. |
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| 71 | // ******************************************************************** |
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| 72 | // |
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| 73 | G4Region::G4Region( __void__& ) |
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| 74 | : fName(""), fRegionMod(true), fCut(0), fUserInfo(0), fUserLimits(0), |
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[1228] | 75 | fFieldManager(0), fFastSimulationManager(0), fWorldPhys(0), |
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| 76 | fRegionalSteppingAction(0) |
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[831] | 77 | { |
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| 78 | // Register to store |
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| 79 | // |
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| 80 | G4RegionStore::GetInstance()->Register(this); |
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| 81 | } |
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| 82 | |
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| 83 | // ******************************************************************* |
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| 84 | // Destructor: |
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| 85 | // - Removes self from region Store |
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| 86 | // ******************************************************************* |
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| 87 | // |
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| 88 | G4Region::~G4Region() |
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| 89 | { |
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| 90 | G4RegionStore::GetInstance()->DeRegister(this); |
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| 91 | if(fUserInfo) delete fUserInfo; |
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| 92 | } |
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| 93 | |
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| 94 | // ******************************************************************* |
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| 95 | // ScanVolumeTree: |
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| 96 | // - Scans recursively the 'lv' logical volume tree, retrieves |
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| 97 | // and places all materials in the list. |
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| 98 | // - The boolean flag 'region' identifies if the volume tree must |
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| 99 | // have region reset (false) or if the current region must be |
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| 100 | // associated to the logical volume 'lv' and its tree (true). |
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| 101 | // ******************************************************************* |
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| 102 | // |
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| 103 | void G4Region::ScanVolumeTree(G4LogicalVolume* lv, G4bool region) |
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| 104 | { |
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| 105 | // If logical volume is going to become a region, add |
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| 106 | // its material to the list if not already present |
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| 107 | // |
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| 108 | G4Region* currentRegion = 0; |
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| 109 | size_t noDaughters = lv->GetNoDaughters(); |
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| 110 | G4Material* volMat = lv->GetMaterial(); |
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| 111 | if(!volMat) |
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| 112 | { |
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| 113 | G4String errmsg = "Logical volume <"; |
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| 114 | errmsg += lv->GetName(); |
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| 115 | errmsg += "> does not have a valid material pointer.\n"; |
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| 116 | errmsg += "A logical volume belonging to the (tracking) world volume "; |
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| 117 | errmsg += "must have a valid material.\nCheck your geometry construction."; |
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| 118 | G4Exception("G4Region::ScanVolumeTree()", "SetupError", |
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| 119 | FatalException, errmsg); |
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| 120 | } |
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| 121 | if (region) |
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| 122 | { |
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| 123 | currentRegion = this; |
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| 124 | AddMaterial(volMat); |
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| 125 | } |
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| 126 | |
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| 127 | // Set the LV region to be either the current region or NULL, |
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| 128 | // according to the boolean selector |
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| 129 | // |
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| 130 | lv->SetRegion(currentRegion); |
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| 131 | |
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| 132 | // Stop recursion here if no further daughters are involved |
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| 133 | // |
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| 134 | if(noDaughters==0) return; |
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| 135 | |
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| 136 | G4VPhysicalVolume* daughterPVol = lv->GetDaughter(0); |
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| 137 | if (daughterPVol->IsParameterised()) |
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| 138 | { |
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| 139 | // Adopt special treatment in case of parameterised volumes, |
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| 140 | // where parameterisation involves a new material scan |
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| 141 | // |
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| 142 | G4VPVParameterisation* pParam = daughterPVol->GetParameterisation(); |
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| 143 | |
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[850] | 144 | if (pParam->GetMaterialScanner()) |
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[831] | 145 | { |
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| 146 | size_t matNo = pParam->GetMaterialScanner()->GetNumberOfMaterials(); |
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| 147 | for (register size_t mat=0; mat<matNo; mat++) |
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| 148 | { |
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| 149 | volMat = pParam->GetMaterialScanner()->GetMaterial(mat); |
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| 150 | if(!volMat) |
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| 151 | { |
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| 152 | G4String errmsg = "The parameterisation for the physical volume <"; |
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| 153 | errmsg += daughterPVol->GetName(); |
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| 154 | errmsg += ">\n does not return a valid material pointer.\n"; |
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| 155 | errmsg += "A volume belonging to the (tracking) world volume must "; |
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| 156 | errmsg += "have a valid material.\nCheck your parameterisation."; |
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| 157 | G4Exception("G4Region::ScanVolumeTree()", |
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| 158 | "SetupError", FatalException, errmsg); |
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| 159 | } |
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| 160 | AddMaterial(volMat); |
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| 161 | } |
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| 162 | } |
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| 163 | else |
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| 164 | { |
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| 165 | size_t repNo = daughterPVol->GetMultiplicity(); |
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| 166 | for (register size_t rep=0; rep<repNo; rep++) |
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| 167 | { |
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| 168 | volMat = pParam->ComputeMaterial(rep, daughterPVol); |
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| 169 | if(!volMat) |
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| 170 | { |
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| 171 | G4String errmsg = "The parameterisation for the physical volume <"; |
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| 172 | errmsg += daughterPVol->GetName(); |
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| 173 | errmsg += ">\n does not return a valid material pointer.\n"; |
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| 174 | errmsg += "A volume belonging to the (tracking) world volume must "; |
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| 175 | errmsg += "have a valid material.\nCheck your parameterisation."; |
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| 176 | G4Exception("G4Region::ScanVolumeTree()", |
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| 177 | "SetupError", FatalException, errmsg); |
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| 178 | } |
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| 179 | AddMaterial(volMat); |
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| 180 | } |
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| 181 | } |
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| 182 | G4LogicalVolume* daughterLVol = daughterPVol->GetLogicalVolume(); |
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| 183 | ScanVolumeTree(daughterLVol, region); |
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| 184 | } |
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| 185 | else |
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| 186 | { |
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| 187 | for (register size_t i=0; i<noDaughters; i++) |
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| 188 | { |
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| 189 | G4LogicalVolume* daughterLVol = lv->GetDaughter(i)->GetLogicalVolume(); |
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| 190 | if (!daughterLVol->IsRootRegion()) |
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| 191 | { |
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| 192 | // Set daughter's LV to be a region and store materials in |
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| 193 | // the materials list, if the LV is not already a root region |
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| 194 | // |
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| 195 | ScanVolumeTree(daughterLVol, region); |
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| 196 | } |
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| 197 | } |
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| 198 | } |
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| 199 | } |
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| 200 | |
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| 201 | // ******************************************************************* |
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| 202 | // AddRootLogicalVolume: |
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| 203 | // - Adds a root logical volume and sets its daughters flags as |
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| 204 | // regions. It also recomputes the materials list for the region. |
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| 205 | // ******************************************************************* |
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| 206 | // |
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| 207 | void G4Region::AddRootLogicalVolume(G4LogicalVolume* lv) |
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| 208 | { |
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| 209 | // Check the logical volume is not already in the list |
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| 210 | // |
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| 211 | G4RootLVList::iterator pos; |
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| 212 | pos = std::find(fRootVolumes.begin(),fRootVolumes.end(),lv); |
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| 213 | if (pos == fRootVolumes.end()) |
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| 214 | { |
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| 215 | // Insert the root volume in the list and set it as root region |
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| 216 | // |
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| 217 | fRootVolumes.push_back(lv); |
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| 218 | lv->SetRegionRootFlag(true); |
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| 219 | } |
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| 220 | |
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| 221 | // Scan recursively the tree of daugther volumes and set regions |
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| 222 | // |
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| 223 | ScanVolumeTree(lv, true); |
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| 224 | |
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| 225 | // Set region as modified |
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| 226 | // |
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| 227 | fRegionMod = true; |
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| 228 | } |
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| 229 | |
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| 230 | // ******************************************************************* |
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| 231 | // RemoveRootLogicalVolume: |
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| 232 | // - Removes a root logical volume and resets its daughters flags as |
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| 233 | // regions. It also recomputes the materials list for the region. |
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| 234 | // ******************************************************************* |
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| 235 | // |
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[850] | 236 | void G4Region::RemoveRootLogicalVolume(G4LogicalVolume* lv, G4bool scan) |
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[831] | 237 | { |
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| 238 | // Find and remove logical volume from the list |
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| 239 | // |
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| 240 | G4RootLVList::iterator pos; |
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| 241 | pos = std::find(fRootVolumes.begin(),fRootVolumes.end(),lv); |
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| 242 | if (pos != fRootVolumes.end()) |
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| 243 | { |
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| 244 | if (fRootVolumes.size() != 1) // Avoid resetting flag for world since |
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| 245 | { // volume may be already deleted ! |
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| 246 | lv->SetRegionRootFlag(false); |
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| 247 | } |
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| 248 | fRootVolumes.erase(pos); |
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| 249 | } |
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| 250 | |
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[850] | 251 | if (scan) // Update the materials list |
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| 252 | { |
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| 253 | UpdateMaterialList(); |
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| 254 | } |
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[831] | 255 | |
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| 256 | // Set region as modified |
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| 257 | // |
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| 258 | fRegionMod = true; |
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| 259 | } |
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| 260 | |
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| 261 | // ******************************************************************* |
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| 262 | // ClearMaterialList: |
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| 263 | // - Clears the material list. |
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| 264 | // ******************************************************************* |
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| 265 | // |
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| 266 | void G4Region::ClearMaterialList() |
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| 267 | { |
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| 268 | fMaterials.clear(); |
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| 269 | } |
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| 270 | |
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| 271 | // ******************************************************************* |
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| 272 | // UpdateMaterialList: |
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| 273 | // - computes material list looping through |
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| 274 | // each root logical volume in the region. |
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| 275 | // ******************************************************************* |
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| 276 | // |
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| 277 | void G4Region::UpdateMaterialList() |
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| 278 | { |
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| 279 | // Reset the materials list |
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| 280 | // |
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| 281 | ClearMaterialList(); |
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| 282 | |
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| 283 | // Loop over the root logical volumes and rebuild the list |
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| 284 | // of materials from scratch |
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| 285 | // |
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| 286 | G4RootLVList::iterator pLV; |
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| 287 | for (pLV=fRootVolumes.begin(); pLV!=fRootVolumes.end(); pLV++) |
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| 288 | { |
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| 289 | ScanVolumeTree(*pLV, true); |
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| 290 | } |
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| 291 | } |
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| 292 | |
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| 293 | // ******************************************************************* |
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| 294 | // SetWorld: |
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| 295 | // - Set the world physical volume if this region belongs to this |
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| 296 | // world. If the given pointer is null, reset the pointer. |
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| 297 | // ******************************************************************* |
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| 298 | // |
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| 299 | void G4Region::SetWorld(G4VPhysicalVolume* wp) |
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| 300 | { |
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| 301 | if(!wp) |
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| 302 | { fWorldPhys = 0; } |
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| 303 | else |
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| 304 | { if(BelongsTo(wp)) fWorldPhys = wp; } |
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| 305 | |
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| 306 | return; |
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| 307 | } |
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| 308 | |
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| 309 | // ******************************************************************* |
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| 310 | // BelongsTo: |
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| 311 | // - Returns whether this region belongs to the given physical volume |
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| 312 | // (recursively scanned to the bottom of the hierarchy) |
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| 313 | // ******************************************************************* |
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| 314 | // |
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| 315 | G4bool G4Region::BelongsTo(G4VPhysicalVolume* thePhys) const |
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| 316 | { |
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| 317 | G4LogicalVolume* currLog = thePhys->GetLogicalVolume(); |
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| 318 | if (currLog->GetRegion()==this) {return true;} |
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| 319 | |
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| 320 | G4int nDaughters = currLog->GetNoDaughters(); |
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| 321 | while (nDaughters--) |
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| 322 | { |
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| 323 | if (BelongsTo(currLog->GetDaughter(nDaughters))) {return true;} |
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| 324 | } |
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| 325 | |
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| 326 | return false; |
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| 327 | } |
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| 328 | |
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| 329 | // ******************************************************************* |
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| 330 | // ClearFastSimulationManager: |
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| 331 | // - Set G4FastSimulationManager pointer to the one for the parent region |
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| 332 | // if it exists. Otherwise set to null. |
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| 333 | // ******************************************************************* |
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| 334 | // |
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| 335 | void G4Region::ClearFastSimulationManager() |
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| 336 | { |
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| 337 | G4bool isUnique; |
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| 338 | G4Region* parent = GetParentRegion(isUnique); |
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| 339 | if(parent) |
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| 340 | { |
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| 341 | if (isUnique) |
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| 342 | { |
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| 343 | fFastSimulationManager = parent->GetFastSimulationManager(); |
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| 344 | } |
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| 345 | else |
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| 346 | { |
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| 347 | G4cout << "WARNING - G4Region::GetParentRegion()" << G4endl |
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| 348 | << " Region <" << fName << "> belongs to more than" |
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| 349 | << " one parent region !" << G4endl; |
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| 350 | G4String message = |
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| 351 | "A region (" + fName + ") cannot belong to more than one \n" |
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| 352 | + "direct parent region, to have fast-simulation assigned."; |
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| 353 | G4Exception("G4Region::ClearFastSimulationManager()", |
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| 354 | "InvalidSetup", JustWarning, message); |
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| 355 | fFastSimulationManager = 0; |
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| 356 | } |
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| 357 | } |
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| 358 | else |
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| 359 | { |
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| 360 | fFastSimulationManager = 0; |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | // ******************************************************************* |
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| 365 | // GetParentRegion: |
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| 366 | // - Returns a region that contains this region. |
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| 367 | // Otherwise null is returned. |
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| 368 | // ******************************************************************* |
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| 369 | // |
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| 370 | G4Region* G4Region::GetParentRegion(G4bool& unique) const |
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| 371 | { |
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| 372 | G4Region* parent = 0; unique = true; |
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| 373 | G4LogicalVolumeStore* lvStore = G4LogicalVolumeStore::GetInstance(); |
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| 374 | G4LogicalVolumeStore::iterator lvItr; |
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| 375 | |
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| 376 | // Loop over all logical volumes in the store |
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| 377 | // |
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| 378 | for(lvItr=lvStore->begin(); lvItr!=lvStore->end(); lvItr++) |
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| 379 | { |
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| 380 | G4int nD = (*lvItr)->GetNoDaughters(); |
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| 381 | G4Region* aR = (*lvItr)->GetRegion(); |
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| 382 | |
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| 383 | // Loop over all daughters of each logical volume |
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| 384 | // |
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| 385 | for(G4int iD=0; iD<nD; iD++) |
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| 386 | { |
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| 387 | if((*lvItr)->GetDaughter(iD)->GetLogicalVolume()->GetRegion()==this) |
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| 388 | { |
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| 389 | if(parent) |
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| 390 | { |
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| 391 | if(parent!=aR) { unique = false; } |
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| 392 | } |
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| 393 | else // Cache LV parent region which includes a daughter volume |
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| 394 | // with the same associated region as the current one |
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| 395 | { |
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| 396 | parent = aR; |
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| 397 | } |
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| 398 | } |
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| 399 | } |
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| 400 | } |
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| 401 | return parent; |
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| 402 | } |
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