[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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| 27 | // $Id: G4TwistTubsFlatSide.cc,v 1.7 2007/05/23 09:31:02 gcosmo Exp $ |
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[1228] | 28 | // GEANT4 tag $Name: geant4-09-03 $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // -------------------------------------------------------------------- |
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| 32 | // GEANT 4 class source file |
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| 33 | // |
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| 34 | // |
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| 35 | // G4TwistTubsFlatSide.cc |
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| 36 | // |
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| 37 | // Author: |
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| 38 | // 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp) |
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| 39 | // |
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| 40 | // History: |
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| 41 | // 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), Integration in Geant4 |
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| 42 | // from original version in Jupiter-2.5.02 application. |
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| 43 | // -------------------------------------------------------------------- |
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| 44 | |
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| 45 | #include "G4TwistTubsFlatSide.hh" |
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| 46 | #include "G4GeometryTolerance.hh" |
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| 47 | |
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| 48 | //===================================================================== |
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| 49 | //* constructors ------------------------------------------------------ |
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| 50 | |
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| 51 | G4TwistTubsFlatSide::G4TwistTubsFlatSide(const G4String &name, |
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| 52 | const G4RotationMatrix &rot, |
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| 53 | const G4ThreeVector &tlate, |
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| 54 | const G4ThreeVector &n, |
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| 55 | const EAxis axis0 , |
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| 56 | const EAxis axis1 , |
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| 57 | G4double axis0min, |
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| 58 | G4double axis1min, |
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| 59 | G4double axis0max, |
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| 60 | G4double axis1max ) |
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| 61 | : G4VTwistSurface(name, rot, tlate, 0, axis0, axis1, |
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| 62 | axis0min, axis1min, axis0max, axis1max) |
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| 63 | { |
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| 64 | if (axis0 == kPhi && axis1 == kRho) { |
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| 65 | G4Exception("G4TwistTubsFlatSide::G4TwistTubsFlatSide()", "InvalidSetup", |
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| 66 | FatalException, "Should swap axis0 and axis1!"); |
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| 67 | } |
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| 68 | |
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| 69 | G4ThreeVector normal = rot.inverse()*n; |
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| 70 | fCurrentNormal.normal = normal.unit(); // in local coordinate system |
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| 71 | fIsValidNorm = true; |
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| 72 | |
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| 73 | SetCorners(); |
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| 74 | SetBoundaries(); |
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| 75 | |
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| 76 | fSurfaceArea = 1 ; // not yet implemented. This is NOT a problem for tracking |
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| 77 | |
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| 78 | } |
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| 79 | |
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| 80 | |
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| 81 | |
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| 82 | G4TwistTubsFlatSide::G4TwistTubsFlatSide( const G4String &name, |
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| 83 | G4double EndInnerRadius[2], |
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| 84 | G4double EndOuterRadius[2], |
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| 85 | G4double DPhi, |
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| 86 | G4double EndPhi[2], |
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| 87 | G4double EndZ[2], |
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| 88 | G4int handedness ) |
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| 89 | : G4VTwistSurface(name) |
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| 90 | { |
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| 91 | fHandedness = handedness; // +z = +ve, -z = -ve |
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| 92 | fAxis[0] = kRho; // in local coordinate system |
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| 93 | fAxis[1] = kPhi; |
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| 94 | G4int i = (handedness < 0 ? 0 : 1); |
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| 95 | fAxisMin[0] = EndInnerRadius[i]; // Inner-hype radius at z=0 |
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| 96 | fAxisMax[0] = EndOuterRadius[i]; // Outer-hype radius at z=0 |
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| 97 | fAxisMin[1] = -0.5*DPhi; |
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| 98 | fAxisMax[1] = -fAxisMin[1]; |
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| 99 | fCurrentNormal.normal.set(0, 0, (fHandedness < 0 ? -1 : 1)); |
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| 100 | // Unit vector, in local coordinate system |
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| 101 | fRot.rotateZ(EndPhi[i]); |
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| 102 | fTrans.set(0, 0, EndZ[i]); |
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| 103 | fIsValidNorm = true; |
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| 104 | |
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| 105 | SetCorners(); |
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| 106 | SetBoundaries(); |
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| 107 | |
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| 108 | fSurfaceArea = 0.5*DPhi * (EndOuterRadius[i]*EndOuterRadius[i] |
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| 109 | - EndInnerRadius[i]*EndInnerRadius[i] ) ; |
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| 110 | |
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| 111 | } |
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| 112 | |
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| 113 | |
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| 114 | //===================================================================== |
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| 115 | //* Fake default constructor ------------------------------------------ |
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| 116 | |
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| 117 | G4TwistTubsFlatSide::G4TwistTubsFlatSide( __void__& a ) |
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| 118 | : G4VTwistSurface(a) |
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| 119 | { |
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| 120 | } |
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| 121 | |
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| 122 | |
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| 123 | //===================================================================== |
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| 124 | //* destructor -------------------------------------------------------- |
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| 125 | |
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| 126 | G4TwistTubsFlatSide::~G4TwistTubsFlatSide() |
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| 127 | { |
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| 128 | } |
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| 129 | |
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| 130 | //===================================================================== |
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| 131 | //* GetNormal --------------------------------------------------------- |
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| 132 | |
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| 133 | G4ThreeVector G4TwistTubsFlatSide::GetNormal(const G4ThreeVector & /* xx */ , |
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| 134 | G4bool isGlobal) |
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| 135 | { |
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| 136 | if (isGlobal) { |
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| 137 | return ComputeGlobalDirection(fCurrentNormal.normal); |
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| 138 | } else { |
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| 139 | return fCurrentNormal.normal; |
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| 140 | } |
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| 141 | } |
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| 142 | |
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| 143 | //===================================================================== |
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| 144 | //* DistanceToSurface(p, v) ------------------------------------------- |
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| 145 | |
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| 146 | G4int G4TwistTubsFlatSide::DistanceToSurface(const G4ThreeVector &gp, |
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| 147 | const G4ThreeVector &gv, |
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| 148 | G4ThreeVector gxx[], |
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| 149 | G4double distance[], |
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| 150 | G4int areacode[], |
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| 151 | G4bool isvalid[], |
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| 152 | EValidate validate) |
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| 153 | { |
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| 154 | fCurStatWithV.ResetfDone(validate, &gp, &gv); |
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| 155 | |
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| 156 | if (fCurStatWithV.IsDone()) { |
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| 157 | G4int i; |
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| 158 | for (i=0; i<fCurStatWithV.GetNXX(); i++) { |
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| 159 | gxx[i] = fCurStatWithV.GetXX(i); |
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| 160 | distance[i] = fCurStatWithV.GetDistance(i); |
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| 161 | areacode[i] = fCurStatWithV.GetAreacode(i); |
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| 162 | isvalid[i] = fCurStatWithV.IsValid(i); |
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| 163 | } |
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| 164 | return fCurStatWithV.GetNXX(); |
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| 165 | } else { |
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| 166 | // initialize |
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| 167 | G4int i; |
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| 168 | for (i=0; i<2; i++) { |
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| 169 | distance[i] = kInfinity; |
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| 170 | areacode[i] = sOutside; |
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| 171 | isvalid[i] = false; |
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| 172 | gxx[i].set(kInfinity, kInfinity, kInfinity); |
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| 173 | } |
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| 174 | } |
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| 175 | |
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| 176 | G4ThreeVector p = ComputeLocalPoint(gp); |
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| 177 | G4ThreeVector v = ComputeLocalDirection(gv); |
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| 178 | |
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| 179 | // |
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| 180 | // special case! |
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| 181 | // if p is on surface, distance = 0. |
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| 182 | // |
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| 183 | |
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| 184 | if (std::fabs(p.z()) == 0.) { // if p is on the plane |
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| 185 | distance[0] = 0; |
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| 186 | G4ThreeVector xx = p; |
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| 187 | gxx[0] = ComputeGlobalPoint(xx); |
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| 188 | |
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| 189 | if (validate == kValidateWithTol) { |
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| 190 | areacode[0] = GetAreaCode(xx); |
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| 191 | if (!IsOutside(areacode[0])) { |
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| 192 | isvalid[0] = true; |
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| 193 | } |
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| 194 | } else if (validate == kValidateWithoutTol) { |
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| 195 | areacode[0] = GetAreaCode(xx, false); |
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| 196 | if (IsInside(areacode[0])) { |
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| 197 | isvalid[0] = true; |
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| 198 | } |
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| 199 | } else { // kDontValidate |
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| 200 | areacode[0] = sInside; |
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| 201 | isvalid[0] = true; |
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| 202 | } |
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| 203 | |
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| 204 | return 1; |
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| 205 | } |
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| 206 | // |
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| 207 | // special case end |
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| 208 | // |
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| 209 | |
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| 210 | if (v.z() == 0) { |
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| 211 | |
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| 212 | fCurStatWithV.SetCurrentStatus(0, gxx[0], distance[0], areacode[0], |
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| 213 | isvalid[0], 0, validate, &gp, &gv); |
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| 214 | return 0; |
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| 215 | } |
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| 216 | |
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| 217 | distance[0] = - (p.z() / v.z()); |
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| 218 | |
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| 219 | G4ThreeVector xx = p + distance[0]*v; |
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| 220 | gxx[0] = ComputeGlobalPoint(xx); |
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| 221 | |
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| 222 | if (validate == kValidateWithTol) { |
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| 223 | areacode[0] = GetAreaCode(xx); |
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| 224 | if (!IsOutside(areacode[0])) { |
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| 225 | if (distance[0] >= 0) isvalid[0] = true; |
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| 226 | } |
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| 227 | } else if (validate == kValidateWithoutTol) { |
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| 228 | areacode[0] = GetAreaCode(xx, false); |
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| 229 | if (IsInside(areacode[0])) { |
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| 230 | if (distance[0] >= 0) isvalid[0] = true; |
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| 231 | } |
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| 232 | } else { // kDontValidate |
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| 233 | areacode[0] = sInside; |
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| 234 | if (distance[0] >= 0) isvalid[0] = true; |
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| 235 | } |
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| 236 | |
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| 237 | fCurStatWithV.SetCurrentStatus(0, gxx[0], distance[0], areacode[0], |
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| 238 | isvalid[0], 1, validate, &gp, &gv); |
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| 239 | |
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| 240 | #ifdef G4TWISTDEBUG |
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| 241 | G4cerr << "ERROR - G4TwistTubsFlatSide::DistanceToSurface(p,v)" << G4endl; |
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| 242 | G4cerr << " Name : " << GetName() << G4endl; |
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| 243 | G4cerr << " xx : " << xx << G4endl; |
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| 244 | G4cerr << " gxx[0] : " << gxx[0] << G4endl; |
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| 245 | G4cerr << " dist[0] : " << distance[0] << G4endl; |
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| 246 | G4cerr << " areacode[0] : " << areacode[0] << G4endl; |
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| 247 | G4cerr << " isvalid[0] : " << isvalid[0] << G4endl; |
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| 248 | #endif |
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| 249 | return 1; |
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| 250 | } |
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| 251 | |
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| 252 | //===================================================================== |
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| 253 | //* DistanceToSurface(p) ---------------------------------------------- |
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| 254 | |
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| 255 | G4int G4TwistTubsFlatSide::DistanceToSurface(const G4ThreeVector &gp, |
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| 256 | G4ThreeVector gxx[], |
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| 257 | G4double distance[], |
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| 258 | G4int areacode[]) |
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| 259 | { |
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| 260 | // Calculate distance to plane in local coordinate, |
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| 261 | // then return distance and global intersection points. |
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| 262 | // |
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| 263 | |
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| 264 | fCurStat.ResetfDone(kDontValidate, &gp); |
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| 265 | |
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| 266 | if (fCurStat.IsDone()) { |
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| 267 | G4int i; |
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| 268 | for (i=0; i<fCurStat.GetNXX(); i++) { |
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| 269 | gxx[i] = fCurStat.GetXX(i); |
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| 270 | distance[i] = fCurStat.GetDistance(i); |
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| 271 | areacode[i] = fCurStat.GetAreacode(i); |
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| 272 | } |
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| 273 | return fCurStat.GetNXX(); |
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| 274 | } else { |
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| 275 | // initialize |
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| 276 | G4int i; |
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| 277 | for (i=0; i<2; i++) { |
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| 278 | distance[i] = kInfinity; |
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| 279 | areacode[i] = sOutside; |
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| 280 | gxx[i].set(kInfinity, kInfinity, kInfinity); |
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| 281 | } |
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| 282 | } |
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| 283 | |
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| 284 | G4ThreeVector p = ComputeLocalPoint(gp); |
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| 285 | G4ThreeVector xx; |
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| 286 | |
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| 287 | // The plane is placed on origin with making its normal |
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| 288 | // parallel to z-axis. |
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| 289 | if (std::fabs(p.z()) <= 0.5 * kCarTolerance) { // if p is on the plane, return 1 |
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| 290 | distance[0] = 0; |
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| 291 | xx = p; |
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| 292 | } else { |
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| 293 | distance[0] = std::fabs(p.z()); |
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| 294 | xx.set(p.x(), p.y(), 0); |
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| 295 | } |
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| 296 | |
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| 297 | gxx[0] = ComputeGlobalPoint(xx); |
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| 298 | areacode[0] = sInside; |
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| 299 | G4bool isvalid = true; |
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| 300 | fCurStat.SetCurrentStatus(0, gxx[0], distance[0], areacode[0], |
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| 301 | isvalid, 1, kDontValidate, &gp); |
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| 302 | return 1; |
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| 303 | |
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| 304 | } |
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| 305 | |
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| 306 | //===================================================================== |
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| 307 | //* GetAreaCode ------------------------------------------------------- |
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| 308 | |
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| 309 | G4int G4TwistTubsFlatSide::GetAreaCode(const G4ThreeVector &xx, |
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| 310 | G4bool withTol) |
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| 311 | { |
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| 312 | |
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| 313 | static const G4double rtol |
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| 314 | = 0.5*G4GeometryTolerance::GetInstance()->GetRadialTolerance(); |
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| 315 | |
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| 316 | G4int areacode = sInside; |
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| 317 | |
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| 318 | if (fAxis[0] == kRho && fAxis[1] == kPhi) { |
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| 319 | G4int rhoaxis = 0; |
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| 320 | // G4int phiaxis = 0; |
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| 321 | |
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| 322 | G4ThreeVector dphimin; // direction of phi-minimum boundary |
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| 323 | G4ThreeVector dphimax; // direction of phi-maximum boundary |
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| 324 | dphimin = GetCorner(sC0Max1Min); |
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| 325 | dphimax = GetCorner(sC0Max1Max); |
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| 326 | |
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| 327 | if (withTol) { |
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| 328 | |
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| 329 | G4bool isoutside = false; |
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| 330 | |
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| 331 | // test boundary of rho-axis |
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| 332 | |
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| 333 | if (xx.getRho() <= fAxisMin[rhoaxis] + rtol) { |
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| 334 | |
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| 335 | areacode |= (sAxis0 & (sAxisRho | sAxisMin)) | sBoundary; // rho-min |
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| 336 | if (xx.getRho() < fAxisMin[rhoaxis] - rtol) isoutside = true; |
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| 337 | |
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| 338 | } else if (xx.getRho() >= fAxisMax[rhoaxis] - rtol) { |
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| 339 | |
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| 340 | areacode |= (sAxis0 & (sAxisRho | sAxisMax)) | sBoundary; // rho-max |
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| 341 | if (xx.getRho() > fAxisMax[rhoaxis] + rtol) isoutside = true; |
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| 342 | |
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| 343 | } |
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| 344 | |
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| 345 | // test boundary of phi-axis |
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| 346 | |
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| 347 | if (AmIOnLeftSide(xx, dphimin) >= 0) { // xx is on dphimin |
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| 348 | |
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| 349 | areacode |= (sAxis1 & (sAxisPhi | sAxisMin)); |
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| 350 | if (areacode & sBoundary) areacode |= sCorner; // xx is on the corner. |
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| 351 | else areacode |= sBoundary; |
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| 352 | |
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| 353 | if (AmIOnLeftSide(xx, dphimin) > 0) isoutside = true; |
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| 354 | |
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| 355 | } else if (AmIOnLeftSide(xx, dphimax) <= 0) { // xx is on dphimax |
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| 356 | |
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| 357 | areacode |= (sAxis1 & (sAxisPhi | sAxisMax)); |
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| 358 | if (areacode & sBoundary) areacode |= sCorner; // xx is on the corner. |
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| 359 | else areacode |= sBoundary; |
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| 360 | |
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| 361 | if (AmIOnLeftSide(xx, dphimax) < 0) isoutside = true; |
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| 362 | |
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| 363 | } |
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| 364 | |
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| 365 | // if isoutside = true, clear inside bit. |
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| 366 | // if not on boundary, add axis information. |
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| 367 | |
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| 368 | if (isoutside) { |
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| 369 | G4int tmpareacode = areacode & (~sInside); |
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| 370 | areacode = tmpareacode; |
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| 371 | } else if ((areacode & sBoundary) != sBoundary) { |
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| 372 | areacode |= (sAxis0 & sAxisRho) | (sAxis1 & sAxisPhi); |
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| 373 | } |
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| 374 | |
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| 375 | } else { |
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| 376 | |
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| 377 | // out of boundary of rho-axis |
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| 378 | |
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| 379 | if (xx.getRho() < fAxisMin[rhoaxis]) { |
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| 380 | areacode |= (sAxis0 & (sAxisRho | sAxisMin)) | sBoundary; |
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| 381 | } else if (xx.getRho() > fAxisMax[rhoaxis]) { |
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| 382 | areacode |= (sAxis0 & (sAxisRho | sAxisMax)) | sBoundary; |
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| 383 | } |
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| 384 | |
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| 385 | // out of boundary of phi-axis |
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| 386 | |
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| 387 | if (AmIOnLeftSide(xx, dphimin, false) >= 0) { // xx is leftside or |
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| 388 | areacode |= (sAxis1 & (sAxisPhi | sAxisMin)) ; // boundary of dphimin |
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| 389 | if (areacode & sBoundary) areacode |= sCorner; // xx is on the corner. |
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| 390 | else areacode |= sBoundary; |
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| 391 | |
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| 392 | } else if (AmIOnLeftSide(xx, dphimax, false) <= 0) { // xx is rightside or |
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| 393 | areacode |= (sAxis1 & (sAxisPhi | sAxisMax)) ; // boundary of dphimax |
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| 394 | if (areacode & sBoundary) areacode |= sCorner; // xx is on the corner. |
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| 395 | else areacode |= sBoundary; |
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| 396 | |
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| 397 | } |
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| 398 | |
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| 399 | if ((areacode & sBoundary) != sBoundary) { |
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| 400 | areacode |= (sAxis0 & sAxisRho) | (sAxis1 & sAxisPhi); |
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| 401 | } |
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| 402 | |
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| 403 | } |
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| 404 | return areacode; |
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| 405 | } else { |
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| 406 | |
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| 407 | G4cerr << "ERROR - G4TwistTubsFlatSide::GetAreaCode()" << G4endl |
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| 408 | << " fAxis[0] = " << fAxis[0] << G4endl |
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| 409 | << " fAxis[1] = " << fAxis[1] << G4endl; |
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| 410 | G4Exception("G4TwistTubsFlatSide::GetAreaCode()", "NotImplemented", |
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| 411 | FatalException, "Feature NOT implemented !"); |
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| 412 | } |
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| 413 | return areacode; |
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| 414 | } |
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| 415 | |
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| 416 | |
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| 417 | //===================================================================== |
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| 418 | //* SetCorners -------------------------------------------------------- |
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| 419 | |
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| 420 | void G4TwistTubsFlatSide::SetCorners() |
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| 421 | { |
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| 422 | // Set Corner points in local coodinate. |
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| 423 | |
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| 424 | if (fAxis[0] == kRho && fAxis[1] == kPhi) { |
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| 425 | |
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| 426 | G4int rhoaxis = 0; // kRho |
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| 427 | G4int phiaxis = 1; // kPhi |
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| 428 | |
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| 429 | G4double x, y, z; |
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| 430 | // corner of Axis0min and Axis1min |
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| 431 | x = fAxisMin[rhoaxis]*std::cos(fAxisMin[phiaxis]); |
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| 432 | y = fAxisMin[rhoaxis]*std::sin(fAxisMin[phiaxis]); |
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| 433 | z = 0; |
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| 434 | SetCorner(sC0Min1Min, x, y, z); |
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| 435 | // corner of Axis0max and Axis1min |
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| 436 | x = fAxisMax[rhoaxis]*std::cos(fAxisMin[phiaxis]); |
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| 437 | y = fAxisMax[rhoaxis]*std::sin(fAxisMin[phiaxis]); |
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| 438 | z = 0; |
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| 439 | SetCorner(sC0Max1Min, x, y, z); |
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| 440 | // corner of Axis0max and Axis1max |
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| 441 | x = fAxisMax[rhoaxis]*std::cos(fAxisMax[phiaxis]); |
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| 442 | y = fAxisMax[rhoaxis]*std::sin(fAxisMax[phiaxis]); |
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| 443 | z = 0; |
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| 444 | SetCorner(sC0Max1Max, x, y, z); |
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| 445 | // corner of Axis0min and Axis1max |
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| 446 | x = fAxisMin[rhoaxis]*std::cos(fAxisMax[phiaxis]); |
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| 447 | y = fAxisMin[rhoaxis]*std::sin(fAxisMax[phiaxis]); |
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| 448 | z = 0; |
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| 449 | SetCorner(sC0Min1Max, x, y, z); |
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| 450 | |
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| 451 | } else { |
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| 452 | G4cerr << "ERROR - G4TwistTubsFlatSide::SetCorners()" << G4endl |
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| 453 | << " fAxis[0] = " << fAxis[0] << G4endl |
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| 454 | << " fAxis[1] = " << fAxis[1] << G4endl; |
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| 455 | G4Exception("G4TwistTubsFlatSide::SetCorners()", "NotImplemented", |
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| 456 | FatalException, "Feature NOT implemented !"); |
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| 457 | } |
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| 458 | } |
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| 459 | |
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| 460 | //===================================================================== |
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| 461 | //* SetBoundaries() --------------------------------------------------- |
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| 462 | |
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| 463 | void G4TwistTubsFlatSide::SetBoundaries() |
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| 464 | { |
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| 465 | // Set direction-unit vector of phi-boundary-lines in local coodinate. |
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| 466 | // Don't call the function twice. |
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| 467 | |
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| 468 | if (fAxis[0] == kRho && fAxis[1] == kPhi) { |
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| 469 | |
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| 470 | G4ThreeVector direction; |
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| 471 | // sAxis0 & sAxisMin |
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| 472 | direction = GetCorner(sC0Min1Max) - GetCorner(sC0Min1Min); |
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| 473 | direction = direction.unit(); |
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| 474 | SetBoundary(sAxis0 & (sAxisPhi | sAxisMin), direction, |
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| 475 | GetCorner(sC0Min1Min), sAxisPhi); |
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| 476 | |
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| 477 | // sAxis0 & sAxisMax |
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| 478 | direction = GetCorner(sC0Max1Max) - GetCorner(sC0Max1Min); |
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| 479 | direction = direction.unit(); |
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| 480 | SetBoundary(sAxis0 & (sAxisPhi | sAxisMax), direction, |
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| 481 | GetCorner(sC0Max1Min), sAxisPhi); |
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| 482 | |
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| 483 | // sAxis1 & sAxisMin |
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| 484 | direction = GetCorner(sC0Max1Min) - GetCorner(sC0Min1Min); |
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| 485 | direction = direction.unit(); |
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| 486 | SetBoundary(sAxis1 & (sAxisRho | sAxisMin), direction, |
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| 487 | GetCorner(sC0Min1Min), sAxisRho); |
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| 488 | |
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| 489 | // sAxis1 & sAxisMax |
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| 490 | direction = GetCorner(sC0Max1Max) - GetCorner(sC0Min1Max); |
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| 491 | direction = direction.unit(); |
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| 492 | SetBoundary(sAxis1 & (sAxisRho | sAxisMax), direction, |
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| 493 | GetCorner(sC0Min1Max), sAxisPhi); |
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| 494 | } else { |
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| 495 | G4cerr << "ERROR - G4TwistTubsFlatSide::SetBoundaries()" << G4endl |
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| 496 | << " fAxis[0] = " << fAxis[0] << G4endl |
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| 497 | << " fAxis[1] = " << fAxis[1] << G4endl; |
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| 498 | G4Exception("G4TwistTubsFlatSide::SetBoundaries()", "NotImplemented", |
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| 499 | FatalException, "Feature NOT implemented !"); |
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| 500 | } |
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| 501 | } |
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| 502 | |
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| 503 | //===================================================================== |
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| 504 | //* GetFacets() ------------------------------------------------------- |
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| 505 | |
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| 506 | void G4TwistTubsFlatSide::GetFacets( G4int m, G4int n, G4double xyz[][3], |
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| 507 | G4int faces[][4], G4int iside ) |
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| 508 | { |
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| 509 | |
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| 510 | G4ThreeVector p ; |
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| 511 | |
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| 512 | G4double rmin = fAxisMin[0] ; |
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| 513 | G4double rmax = fAxisMax[0] ; |
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| 514 | G4double phimin, phimax ; |
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| 515 | |
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| 516 | G4double r,phi ; |
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| 517 | |
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| 518 | G4int i,j ; |
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| 519 | |
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| 520 | G4int nnode,nface ; |
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| 521 | |
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| 522 | for ( i = 0 ; i<n ; i++ ) { |
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| 523 | |
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| 524 | r = rmin + i*(rmax-rmin)/(n-1) ; |
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| 525 | |
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| 526 | phimin = GetBoundaryMin(r) ; |
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| 527 | phimax = GetBoundaryMax(r) ; |
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| 528 | |
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| 529 | for ( j = 0 ; j<m ; j++ ) |
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| 530 | { |
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| 531 | phi = phimin + j*(phimax-phimin)/(m-1) ; |
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| 532 | |
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| 533 | nnode = GetNode(i,j,m,n,iside) ; |
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| 534 | p = SurfacePoint(phi,r,true) ; // surface point in global coord.system |
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| 535 | |
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| 536 | xyz[nnode][0] = p.x() ; |
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| 537 | xyz[nnode][1] = p.y() ; |
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| 538 | xyz[nnode][2] = p.z() ; |
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| 539 | |
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| 540 | if ( i<n-1 && j<m-1 ) { // conterclock wise filling |
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| 541 | |
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| 542 | nface = GetFace(i,j,m,n,iside) ; |
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| 543 | |
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| 544 | if (fHandedness < 0) { // lower side |
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| 545 | faces[nface][0] = GetEdgeVisibility(i,j,m,n,0,-1) * ( GetNode(i ,j ,m,n,iside)+1) ; |
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| 546 | faces[nface][1] = GetEdgeVisibility(i,j,m,n,1,-1) * ( GetNode(i ,j+1,m,n,iside)+1) ; |
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| 547 | faces[nface][2] = GetEdgeVisibility(i,j,m,n,2,-1) * ( GetNode(i+1,j+1,m,n,iside)+1) ; |
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| 548 | faces[nface][3] = GetEdgeVisibility(i,j,m,n,3,-1) * ( GetNode(i+1,j ,m,n,iside)+1) ; |
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| 549 | } else { // upper side |
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| 550 | faces[nface][0] = GetEdgeVisibility(i,j,m,n,0,1) * ( GetNode(i ,j ,m,n,iside)+1) ; |
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| 551 | faces[nface][1] = GetEdgeVisibility(i,j,m,n,1,1) * ( GetNode(i+1,j ,m,n,iside)+1) ; |
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| 552 | faces[nface][2] = GetEdgeVisibility(i,j,m,n,2,1) * ( GetNode(i+1,j+1,m,n,iside)+1) ; |
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| 553 | faces[nface][3] = GetEdgeVisibility(i,j,m,n,3,1) * ( GetNode(i ,j+1,m,n,iside)+1) ; |
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| 554 | |
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| 555 | } |
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| 556 | |
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| 557 | |
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| 558 | |
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| 559 | } |
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| 560 | } |
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| 561 | } |
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| 562 | } |
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