[987] | 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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[1347] | 26 | // $Id: G4STRead.cc,v 1.6 2010/11/02 10:39:27 gcosmo Exp $ |
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| 27 | // GEANT4 tag $Name: gdml-V09-03-09 $ |
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[987] | 28 | // |
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| 29 | // class G4STRead Implementation |
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| 30 | // |
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| 31 | // History: |
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| 32 | // - Created. Zoltan Torzsok, November 2007 |
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| 33 | // ------------------------------------------------------------------------- |
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| 34 | |
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[1228] | 35 | #include <fstream> |
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| 36 | |
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[987] | 37 | #include "G4STRead.hh" |
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| 38 | |
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[1228] | 39 | #include "G4Material.hh" |
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| 40 | #include "G4Box.hh" |
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| 41 | #include "G4QuadrangularFacet.hh" |
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| 42 | #include "G4TriangularFacet.hh" |
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| 43 | #include "G4TessellatedSolid.hh" |
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| 44 | #include "G4LogicalVolume.hh" |
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| 45 | #include "G4PVPlacement.hh" |
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| 46 | |
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[987] | 47 | void G4STRead::TessellatedRead(const std::string& line) |
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| 48 | { |
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| 49 | if (tessellatedList.size()>0) |
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| 50 | { |
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| 51 | tessellatedList.back()->SetSolidClosed(true); |
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| 52 | // Finish the previous solid at first! |
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| 53 | } |
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| 54 | |
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| 55 | std::istringstream stream(line.substr(2)); |
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| 56 | |
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| 57 | G4String name; |
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| 58 | stream >> name; |
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| 59 | |
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| 60 | G4TessellatedSolid* tessellated = new G4TessellatedSolid(name); |
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| 61 | volumeMap[tessellated] = |
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| 62 | new G4LogicalVolume(tessellated, solid_material, name+"_LV" , 0, 0, 0); |
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| 63 | tessellatedList.push_back(tessellated); |
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| 64 | |
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| 65 | G4cout << "G4STRead: Reading solid: " << name << G4endl; |
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| 66 | } |
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| 67 | |
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| 68 | void G4STRead::FacetRead(const std::string& line) |
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| 69 | { |
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| 70 | if (tessellatedList.size()==0) |
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| 71 | { |
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| 72 | G4Exception("G4STRead::FacetRead()", "ReadError", FatalException, |
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| 73 | "A solid must be defined before defining a facet!"); |
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| 74 | } |
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| 75 | |
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| 76 | if (line[2]=='3') // Triangular facet |
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| 77 | { |
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| 78 | G4double x1,y1,z1; |
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| 79 | G4double x2,y2,z2; |
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| 80 | G4double x3,y3,z3; |
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| 81 | |
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| 82 | std::istringstream stream(line.substr(4)); |
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| 83 | stream >> x1 >> y1 >> z1 >> x2 >> y2 >> z2 >> x3 >> y3 >> z3; |
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| 84 | tessellatedList.back()-> |
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| 85 | AddFacet(new G4TriangularFacet(G4ThreeVector(x1,y1,z1), |
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| 86 | G4ThreeVector(x2,y2,z2), |
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| 87 | G4ThreeVector(x3,y3,z3), ABSOLUTE)); |
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| 88 | } |
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| 89 | else if (line[2]=='4') // Quadrangular facet |
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| 90 | { |
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| 91 | G4double x1,y1,z1; |
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| 92 | G4double x2,y2,z2; |
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| 93 | G4double x3,y3,z3; |
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| 94 | G4double x4,y4,z4; |
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| 95 | |
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| 96 | std::istringstream stream(line.substr(4)); |
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| 97 | stream >> x1 >> y1 >> z1 >> x2 >> y2 >> z2 |
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| 98 | >> x3 >> y3 >> z3 >> x4 >> y4 >> z4; |
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| 99 | tessellatedList.back()-> |
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| 100 | AddFacet(new G4QuadrangularFacet(G4ThreeVector(x1,y1,z1), |
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| 101 | G4ThreeVector(x2,y2,z2), |
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| 102 | G4ThreeVector(x3,y3,z3), |
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| 103 | G4ThreeVector(x4,y4,z4), ABSOLUTE)); |
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| 104 | } |
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| 105 | else |
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| 106 | { |
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| 107 | G4Exception("G4STRead::FacetRead()", "ReadError", FatalException, |
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| 108 | "Number of vertices per facet should be either 3 or 4!"); |
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| 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | void G4STRead::PhysvolRead(const std::string& line) |
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| 113 | { |
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| 114 | G4int level; |
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| 115 | G4String name; |
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| 116 | G4double r1,r2,r3; |
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| 117 | G4double r4,r5,r6; |
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| 118 | G4double r7,r8,r9; |
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| 119 | G4double pX,pY,pZ; |
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| 120 | G4double n1,n2,n3,n4,n5; |
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| 121 | |
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| 122 | std::istringstream stream(line.substr(2)); |
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| 123 | stream >> level >> name >> r1 >> r2 >> r3 >> n1 >> r4 >> r5 >> r6 |
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| 124 | >> n2 >> r7 >> r8 >> r9 >> n3 >> pX >> pY >> pZ >> n4 >> n5; |
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[1347] | 125 | std::string::size_type idx = name.rfind("_"); |
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| 126 | if (idx!=std::string::npos) |
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| 127 | { |
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| 128 | name.resize(idx); |
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| 129 | } |
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| 130 | else |
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| 131 | { |
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| 132 | G4Exception("G4STRead::PhysvolRead()", "ReadError", |
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| 133 | FatalException, "Invalid input stream!"); |
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| 134 | return; |
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| 135 | } |
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[987] | 136 | |
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| 137 | G4cout << "G4STRead: Placing tessellated solid: " << name << G4endl; |
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| 138 | |
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| 139 | G4TessellatedSolid* tessellated = 0; |
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| 140 | |
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| 141 | for (size_t i=0; i<tessellatedList.size(); i++) |
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| 142 | { // Find the volume for this physvol! |
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| 143 | if (tessellatedList[i]->GetName() == G4String(name)) |
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| 144 | { |
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| 145 | tessellated = tessellatedList[i]; |
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| 146 | break; |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | if (tessellated == 0) |
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| 151 | { |
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| 152 | G4String error_msg = "Referenced solid '" + name + "' not found!"; |
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| 153 | G4Exception("G4STRead::PhysvolRead()", "ReadError", |
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| 154 | FatalException, error_msg); |
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| 155 | } |
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| 156 | if (volumeMap.find(tessellated) == volumeMap.end()) |
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| 157 | { |
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| 158 | G4String error_msg = "Referenced solid '" + name |
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| 159 | + "' is not associated with a logical volume!"; |
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| 160 | G4Exception("G4STRead::PhysvolRead()", "InvalidSetup", |
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| 161 | FatalException, error_msg); |
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| 162 | } |
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| 163 | const G4RotationMatrix rot(G4ThreeVector(r1,r2,r3), |
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| 164 | G4ThreeVector(r4,r5,r6), |
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| 165 | G4ThreeVector(r7,r8,r9)); |
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| 166 | const G4ThreeVector pos(pX,pY,pZ); |
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| 167 | |
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| 168 | new G4PVPlacement(G4Transform3D(rot.inverse(),pos), |
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| 169 | volumeMap[tessellated], name+"_PV", world_volume, 0, 0); |
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| 170 | // Note: INVERSE of rotation is needed!!! |
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| 171 | |
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| 172 | G4double minx,miny,minz; |
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| 173 | G4double maxx,maxy,maxz; |
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| 174 | const G4VoxelLimits limits; |
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| 175 | |
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| 176 | tessellated->CalculateExtent(kXAxis,limits, |
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| 177 | G4AffineTransform(rot,pos),minx,maxx); |
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| 178 | tessellated->CalculateExtent(kYAxis,limits, |
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| 179 | G4AffineTransform(rot,pos),miny,maxy); |
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| 180 | tessellated->CalculateExtent(kZAxis,limits, |
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| 181 | G4AffineTransform(rot,pos),minz,maxz); |
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| 182 | |
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| 183 | if (world_extent.x() < std::fabs(minx)) |
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| 184 | { world_extent.setX(std::fabs(minx)); } |
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| 185 | if (world_extent.y() < std::fabs(miny)) |
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| 186 | { world_extent.setY(std::fabs(miny)); } |
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| 187 | if (world_extent.z() < std::fabs(minz)) |
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| 188 | { world_extent.setZ(std::fabs(minz)); } |
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| 189 | if (world_extent.x() < std::fabs(maxx)) |
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| 190 | { world_extent.setX(std::fabs(maxx)); } |
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| 191 | if (world_extent.y() < std::fabs(maxy)) |
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| 192 | { world_extent.setY(std::fabs(maxy)); } |
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| 193 | if (world_extent.z() < std::fabs(maxz)) |
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| 194 | { world_extent.setZ(std::fabs(maxz)); } |
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| 195 | } |
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| 196 | |
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| 197 | void G4STRead::ReadGeom(const G4String& name) |
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| 198 | { |
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| 199 | G4cout << "G4STRead: Reading '" << name << "'..." << G4endl; |
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| 200 | |
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| 201 | std::ifstream GeomFile(name); |
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| 202 | |
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| 203 | if (!GeomFile) |
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| 204 | { |
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| 205 | G4String error_msg = "Cannot open file: " + name; |
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| 206 | G4Exception("G4STRead::ReadGeom()", "ReadError", |
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| 207 | FatalException, error_msg); |
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| 208 | } |
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| 209 | |
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| 210 | tessellatedList.clear(); |
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| 211 | volumeMap.clear(); |
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| 212 | std::string line; |
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| 213 | |
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| 214 | while (getline(GeomFile,line)) |
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| 215 | { |
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| 216 | if (line[0] == 'f') { TessellatedRead(line); } else |
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| 217 | if (line[0] == 'p') { FacetRead(line); } |
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| 218 | } |
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| 219 | |
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| 220 | if (tessellatedList.size()>0) // Finish the last solid! |
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| 221 | { |
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| 222 | tessellatedList.back()->SetSolidClosed(true); |
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| 223 | } |
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| 224 | |
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| 225 | G4cout << "G4STRead: Reading '" << name << "' done." << G4endl; |
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| 226 | } |
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| 227 | |
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| 228 | void G4STRead::ReadTree(const G4String& name) |
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| 229 | { |
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| 230 | G4cout << "G4STRead: Reading '" << name << "'..." << G4endl; |
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| 231 | |
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| 232 | std::ifstream TreeFile(name); |
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| 233 | |
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| 234 | if (!TreeFile) |
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| 235 | { |
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| 236 | G4String error_msg = "Cannot open file: " + name; |
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| 237 | G4Exception("G4STRead::ReadTree()", "ReadError", |
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| 238 | FatalException, error_msg); |
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| 239 | } |
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| 240 | |
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| 241 | std::string line; |
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| 242 | |
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| 243 | while (getline(TreeFile,line)) |
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| 244 | { |
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| 245 | if (line[0] == 'g') { PhysvolRead(line); } |
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| 246 | } |
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| 247 | |
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| 248 | G4cout << "G4STRead: Reading '" << name << "' done." << G4endl; |
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| 249 | } |
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| 250 | |
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| 251 | G4LogicalVolume* |
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| 252 | G4STRead::Read(const G4String& name, G4Material* mediumMaterial, |
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| 253 | G4Material* solidMaterial) |
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| 254 | { |
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| 255 | if (mediumMaterial == 0) |
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| 256 | { |
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| 257 | G4Exception("G4STRead::Read()", "InvalidSetup", FatalException, |
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| 258 | "Pointer to medium material is not valid!"); |
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| 259 | } |
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| 260 | if (solidMaterial == 0) |
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| 261 | { |
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| 262 | G4Exception("G4STRead::Read()", "InvalidSetup", FatalException, |
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| 263 | "Pointer to solid material is not valid!"); |
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| 264 | } |
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| 265 | |
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| 266 | solid_material = solidMaterial; |
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| 267 | |
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| 268 | world_box = new G4Box("TessellatedWorldBox",kInfinity,kInfinity,kInfinity); |
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| 269 | // We don't know the extent of the world yet! |
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| 270 | world_volume = new G4LogicalVolume(world_box, mediumMaterial, |
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| 271 | "TessellatedWorldLV", 0, 0, 0); |
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| 272 | world_extent = G4ThreeVector(0,0,0); |
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| 273 | |
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| 274 | ReadGeom(name+".geom"); |
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| 275 | ReadTree(name+".tree"); |
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| 276 | |
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| 277 | // Now setting the world extent ... |
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| 278 | // |
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| 279 | if (world_box->GetXHalfLength() > world_extent.x()) |
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| 280 | { world_box->SetXHalfLength(world_extent.x()); } |
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| 281 | if (world_box->GetYHalfLength() > world_extent.y()) |
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| 282 | { world_box->SetYHalfLength(world_extent.y()); } |
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| 283 | if (world_box->GetZHalfLength() > world_extent.z()) |
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| 284 | { world_box->SetZHalfLength(world_extent.z()); } |
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| 285 | |
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| 286 | return world_volume; |
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| 287 | } |
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