| 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 | // $Id: G4STRead.cc,v 1.3 2008/07/17 14:05:50 gcosmo Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $
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| 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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| 35 | #include "G4STRead.hh"
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| 36 |
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| 37 | void G4STRead::TessellatedRead(const std::string& line)
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| 38 | {
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| 39 | if (tessellatedList.size()>0)
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| 40 | {
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| 41 | tessellatedList.back()->SetSolidClosed(true);
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| 42 | // Finish the previous solid at first!
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| 43 | }
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| 44 |
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| 45 | std::istringstream stream(line.substr(2));
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| 46 |
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| 47 | G4String name;
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| 48 | stream >> name;
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| 49 |
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| 50 | G4TessellatedSolid* tessellated = new G4TessellatedSolid(name);
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| 51 | volumeMap[tessellated] =
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| 52 | new G4LogicalVolume(tessellated, solid_material, name+"_LV" , 0, 0, 0);
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| 53 | tessellatedList.push_back(tessellated);
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| 54 |
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| 55 | G4cout << "G4STRead: Reading solid: " << name << G4endl;
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| 56 | }
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| 57 |
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| 58 | void G4STRead::FacetRead(const std::string& line)
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| 59 | {
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| 60 | if (tessellatedList.size()==0)
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| 61 | {
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| 62 | G4Exception("G4STRead::FacetRead()", "ReadError", FatalException,
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| 63 | "A solid must be defined before defining a facet!");
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| 64 | }
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| 65 |
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| 66 | if (line[2]=='3') // Triangular facet
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| 67 | {
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| 68 | G4double x1,y1,z1;
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| 69 | G4double x2,y2,z2;
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| 70 | G4double x3,y3,z3;
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| 71 |
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| 72 | std::istringstream stream(line.substr(4));
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| 73 | stream >> x1 >> y1 >> z1 >> x2 >> y2 >> z2 >> x3 >> y3 >> z3;
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| 74 | tessellatedList.back()->
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| 75 | AddFacet(new G4TriangularFacet(G4ThreeVector(x1,y1,z1),
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| 76 | G4ThreeVector(x2,y2,z2),
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| 77 | G4ThreeVector(x3,y3,z3), ABSOLUTE));
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| 78 | }
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| 79 | else if (line[2]=='4') // Quadrangular facet
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| 80 | {
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| 81 | G4double x1,y1,z1;
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| 82 | G4double x2,y2,z2;
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| 83 | G4double x3,y3,z3;
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| 84 | G4double x4,y4,z4;
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| 85 |
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| 86 | std::istringstream stream(line.substr(4));
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| 87 | stream >> x1 >> y1 >> z1 >> x2 >> y2 >> z2
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| 88 | >> x3 >> y3 >> z3 >> x4 >> y4 >> z4;
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| 89 | tessellatedList.back()->
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| 90 | AddFacet(new G4QuadrangularFacet(G4ThreeVector(x1,y1,z1),
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| 91 | G4ThreeVector(x2,y2,z2),
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| 92 | G4ThreeVector(x3,y3,z3),
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| 93 | G4ThreeVector(x4,y4,z4), ABSOLUTE));
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| 94 | }
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| 95 | else
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| 96 | {
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| 97 | G4Exception("G4STRead::FacetRead()", "ReadError", FatalException,
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| 98 | "Number of vertices per facet should be either 3 or 4!");
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | void G4STRead::PhysvolRead(const std::string& line)
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| 103 | {
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| 104 | G4int level;
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| 105 | G4String name;
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| 106 | G4double r1,r2,r3;
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| 107 | G4double r4,r5,r6;
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| 108 | G4double r7,r8,r9;
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| 109 | G4double pX,pY,pZ;
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| 110 | G4double n1,n2,n3,n4,n5;
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| 111 |
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| 112 | std::istringstream stream(line.substr(2));
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| 113 | stream >> level >> name >> r1 >> r2 >> r3 >> n1 >> r4 >> r5 >> r6
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| 114 | >> n2 >> r7 >> r8 >> r9 >> n3 >> pX >> pY >> pZ >> n4 >> n5;
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| 115 |
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| 116 | name.resize(name.rfind("_"));
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| 117 |
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| 118 | G4cout << "G4STRead: Placing tessellated solid: " << name << G4endl;
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| 119 |
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| 120 | G4TessellatedSolid* tessellated = 0;
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| 121 |
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| 122 | for (size_t i=0; i<tessellatedList.size(); i++)
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| 123 | { // Find the volume for this physvol!
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| 124 | if (tessellatedList[i]->GetName() == G4String(name))
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| 125 | {
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| 126 | tessellated = tessellatedList[i];
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| 127 | break;
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| 128 | }
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| 129 | }
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| 130 |
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| 131 | if (tessellated == 0)
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| 132 | {
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| 133 | G4String error_msg = "Referenced solid '" + name + "' not found!";
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| 134 | G4Exception("G4STRead::PhysvolRead()", "ReadError",
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| 135 | FatalException, error_msg);
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| 136 | }
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| 137 | if (volumeMap.find(tessellated) == volumeMap.end())
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| 138 | {
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| 139 | G4String error_msg = "Referenced solid '" + name
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| 140 | + "' is not associated with a logical volume!";
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| 141 | G4Exception("G4STRead::PhysvolRead()", "InvalidSetup",
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| 142 | FatalException, error_msg);
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| 143 | }
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| 144 | const G4RotationMatrix rot(G4ThreeVector(r1,r2,r3),
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| 145 | G4ThreeVector(r4,r5,r6),
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| 146 | G4ThreeVector(r7,r8,r9));
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| 147 | const G4ThreeVector pos(pX,pY,pZ);
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| 148 |
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| 149 | new G4PVPlacement(G4Transform3D(rot.inverse(),pos),
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| 150 | volumeMap[tessellated], name+"_PV", world_volume, 0, 0);
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| 151 | // Note: INVERSE of rotation is needed!!!
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| 152 |
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| 153 | G4double minx,miny,minz;
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| 154 | G4double maxx,maxy,maxz;
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| 155 | const G4VoxelLimits limits;
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| 156 |
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| 157 | tessellated->CalculateExtent(kXAxis,limits,
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| 158 | G4AffineTransform(rot,pos),minx,maxx);
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| 159 | tessellated->CalculateExtent(kYAxis,limits,
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| 160 | G4AffineTransform(rot,pos),miny,maxy);
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| 161 | tessellated->CalculateExtent(kZAxis,limits,
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| 162 | G4AffineTransform(rot,pos),minz,maxz);
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| 163 |
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| 164 | if (world_extent.x() < std::fabs(minx))
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| 165 | { world_extent.setX(std::fabs(minx)); }
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| 166 | if (world_extent.y() < std::fabs(miny))
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| 167 | { world_extent.setY(std::fabs(miny)); }
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| 168 | if (world_extent.z() < std::fabs(minz))
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| 169 | { world_extent.setZ(std::fabs(minz)); }
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| 170 | if (world_extent.x() < std::fabs(maxx))
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| 171 | { world_extent.setX(std::fabs(maxx)); }
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| 172 | if (world_extent.y() < std::fabs(maxy))
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| 173 | { world_extent.setY(std::fabs(maxy)); }
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| 174 | if (world_extent.z() < std::fabs(maxz))
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| 175 | { world_extent.setZ(std::fabs(maxz)); }
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| 176 | }
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| 177 |
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| 178 | void G4STRead::ReadGeom(const G4String& name)
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| 179 | {
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| 180 | G4cout << "G4STRead: Reading '" << name << "'..." << G4endl;
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| 181 |
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| 182 | std::ifstream GeomFile(name);
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| 183 |
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| 184 | if (!GeomFile)
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| 185 | {
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| 186 | G4String error_msg = "Cannot open file: " + name;
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| 187 | G4Exception("G4STRead::ReadGeom()", "ReadError",
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| 188 | FatalException, error_msg);
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| 189 | }
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| 190 |
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| 191 | tessellatedList.clear();
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| 192 | volumeMap.clear();
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| 193 | std::string line;
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| 194 |
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| 195 | while (getline(GeomFile,line))
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| 196 | {
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| 197 | if (line[0] == 'f') { TessellatedRead(line); } else
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| 198 | if (line[0] == 'p') { FacetRead(line); }
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| 199 | }
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| 200 |
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| 201 | if (tessellatedList.size()>0) // Finish the last solid!
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| 202 | {
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| 203 | tessellatedList.back()->SetSolidClosed(true);
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| 204 | }
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| 205 |
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| 206 | G4cout << "G4STRead: Reading '" << name << "' done." << G4endl;
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| 207 | }
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| 208 |
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| 209 | void G4STRead::ReadTree(const G4String& name)
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| 210 | {
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| 211 | G4cout << "G4STRead: Reading '" << name << "'..." << G4endl;
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| 212 |
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| 213 | std::ifstream TreeFile(name);
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| 214 |
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| 215 | if (!TreeFile)
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| 216 | {
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| 217 | G4String error_msg = "Cannot open file: " + name;
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| 218 | G4Exception("G4STRead::ReadTree()", "ReadError",
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| 219 | FatalException, error_msg);
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| 220 | }
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| 221 |
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| 222 | std::string line;
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| 223 |
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| 224 | while (getline(TreeFile,line))
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| 225 | {
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| 226 | if (line[0] == 'g') { PhysvolRead(line); }
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| 227 | }
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| 228 |
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| 229 | G4cout << "G4STRead: Reading '" << name << "' done." << G4endl;
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| 230 | }
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| 231 |
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| 232 | G4LogicalVolume*
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| 233 | G4STRead::Read(const G4String& name, G4Material* mediumMaterial,
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| 234 | G4Material* solidMaterial)
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| 235 | {
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| 236 | if (mediumMaterial == 0)
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| 237 | {
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| 238 | G4Exception("G4STRead::Read()", "InvalidSetup", FatalException,
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| 239 | "Pointer to medium material is not valid!");
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| 240 | }
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| 241 | if (solidMaterial == 0)
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| 242 | {
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| 243 | G4Exception("G4STRead::Read()", "InvalidSetup", FatalException,
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| 244 | "Pointer to solid material is not valid!");
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| 245 | }
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| 246 |
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| 247 | solid_material = solidMaterial;
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| 248 |
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| 249 | world_box = new G4Box("TessellatedWorldBox",kInfinity,kInfinity,kInfinity);
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| 250 | // We don't know the extent of the world yet!
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| 251 | world_volume = new G4LogicalVolume(world_box, mediumMaterial,
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| 252 | "TessellatedWorldLV", 0, 0, 0);
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| 253 | world_extent = G4ThreeVector(0,0,0);
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| 254 |
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| 255 | ReadGeom(name+".geom");
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| 256 | ReadTree(name+".tree");
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| 257 |
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| 258 | // Now setting the world extent ...
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| 259 | //
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| 260 | if (world_box->GetXHalfLength() > world_extent.x())
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| 261 | { world_box->SetXHalfLength(world_extent.x()); }
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| 262 | if (world_box->GetYHalfLength() > world_extent.y())
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| 263 | { world_box->SetYHalfLength(world_extent.y()); }
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| 264 | if (world_box->GetZHalfLength() > world_extent.z())
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| 265 | { world_box->SetZHalfLength(world_extent.z()); }
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| 266 |
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| 267 | return world_volume;
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| 268 | }
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