[1316] | 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: testSurfaceArea.cc,v 1.2 2007/02/12 11:29:23 gcosmo Exp $ |
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[1347] | 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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[1316] | 29 | // |
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| 30 | // -------------------------------------------------------------------- |
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| 31 | // by Hans Dierckx to test surface Area |
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| 32 | |
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| 33 | // Validation of the Monte Carlo method to calculate arbitrary surface areas. |
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| 34 | // For the different CSG solids available, the surface is calculated |
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| 35 | // analytically and by the Monte Carlo method (after conversion into a |
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| 36 | // boolean intersection solid). Both results are compared afterwards. |
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| 37 | |
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| 38 | #include <assert.h> |
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| 39 | #include <cmath> |
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| 40 | #include <ctime> |
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| 41 | |
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| 42 | #include "globals.hh" |
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| 43 | #include "geomdefs.hh" |
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| 44 | |
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| 45 | #include "G4ThreeVector.hh" |
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| 46 | #include "G4TwoVector.hh" |
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| 47 | |
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| 48 | #include "G4Box.hh" |
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| 49 | #include "G4Tubs.hh" |
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| 50 | #include "G4Trap.hh" |
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| 51 | #include "G4Trd.hh" |
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| 52 | #include "G4Para.hh" |
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| 53 | #include "G4Sphere.hh" |
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| 54 | #include "G4Orb.hh" |
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| 55 | #include "G4Torus.hh" |
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| 56 | #include "G4Cons.hh" |
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| 57 | #include "G4BooleanSolid.hh" |
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| 58 | #include "G4IntersectionSolid.hh" |
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| 59 | #include "G4ExtrudedSolid.hh" |
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| 60 | |
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| 61 | #include "G4RotationMatrix.hh" |
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| 62 | #include "G4AffineTransform.hh" |
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| 63 | #include "G4VoxelLimits.hh" |
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| 64 | |
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| 65 | #include "Randomize.hh" |
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| 66 | |
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| 67 | G4bool testG4Surf() |
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| 68 | { |
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| 69 | G4double surf, MCsurf; |
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| 70 | G4int tic, toc; |
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| 71 | |
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| 72 | G4Box w("Bigger Box",5,5,5); |
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| 73 | G4cout << "\n\nCalculating Box:" << G4endl; |
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| 74 | G4Box box("Test Box",1,0.5,3); |
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| 75 | // fDx fDy fDz |
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| 76 | surf = box.GetSurfaceArea(); |
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| 77 | G4cout <<"Surface = " << surf << G4endl; |
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| 78 | G4IntersectionSolid box2("Box 2", &box, &w); |
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| 79 | tic=clock(); |
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| 80 | MCsurf= box2.GetSurfaceArea(); |
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| 81 | toc = clock()-tic; |
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| 82 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 83 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 84 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 85 | G4cout <<"*******************" << G4endl; |
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| 86 | |
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| 87 | |
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| 88 | |
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| 89 | |
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| 90 | G4cout << " Calculating Tube:" << G4endl; |
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| 91 | // G4Tubs cyl("Test Cyl",1,4,3.5,pi/5,3*pi/2); |
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| 92 | G4double R= std::sqrt(100./16./pi); |
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| 93 | G4Tubs cyl("Test Cyl",0.5*R,1.5*R,1.5*R,0,twopi); |
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| 94 | //pRmin pRmax pDz pSPhi pDPhi |
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| 95 | surf = cyl.GetSurfaceArea(); |
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| 96 | G4cout << cyl.GetCubicVolume() << G4endl; |
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| 97 | G4cout <<"Surface = " << surf << G4endl; |
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| 98 | G4IntersectionSolid cyl2("Box 2", &cyl, &w); |
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| 99 | tic=clock(); |
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| 100 | MCsurf=cyl2.GetSurfaceArea(); |
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| 101 | toc = clock()-tic; |
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| 102 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 103 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 104 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 105 | G4cout <<"*******************" << G4endl; |
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| 106 | |
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| 107 | G4cout << " Calculating Cone:" << G4endl; |
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| 108 | G4Cons cone("Test Cone",0.5,1,2,2.5,4,0,4*pi/3); |
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| 109 | //pRmin1 pRmax1 pRmin2, pRmax2, pDz, pSphi pDphi |
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| 110 | surf = cone.GetSurfaceArea(); |
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| 111 | G4cout <<"Surface = " << surf << G4endl; |
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| 112 | G4IntersectionSolid cone2("Box 2", &cone, &w); |
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| 113 | tic=clock(); |
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| 114 | MCsurf=cone2.GetSurfaceArea(); |
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| 115 | toc = clock()-tic; |
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| 116 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 117 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 118 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 119 | G4cout <<"*******************" << G4endl; |
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| 120 | |
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| 121 | |
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| 122 | G4cout << " Calculating General G4Trap:" << G4endl; |
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| 123 | G4Trap trap("Test Cyl",3, 20/180*pi,5/180*pi, 2, 1.5, 2, pi/18, 0.8 , 0.5, 0.7, pi/18); |
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| 124 | //Dz,Theta, Phi, Dy1, Dx1, Dx2, alpha1, Dy2, Dx3,Dx4, alpha2 |
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| 125 | surf = trap.GetSurfaceArea(); |
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| 126 | G4cout <<"Surface = " << surf << G4endl; |
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| 127 | G4IntersectionSolid trap2("Trap 2", &trap, &w); |
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| 128 | tic=clock(); |
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| 129 | MCsurf=trap2.GetSurfaceArea(); |
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| 130 | toc = clock()-tic; |
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| 131 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 132 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 133 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 134 | G4cout <<"*******************" << G4endl; |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | G4cout << " Calculating Parallelepiped:" << G4endl; |
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| 139 | G4Para para("Test Para", 1.5, 2, 3, pi/18, pi/9, 5/180*pi); |
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| 140 | // Dx,Dy,Dz, alph, theta, phi |
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| 141 | surf = para.GetSurfaceArea(); |
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| 142 | G4cout <<"Surface = " << surf << G4endl; |
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| 143 | G4IntersectionSolid para2("Para 2", ¶, &w); |
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| 144 | tic=clock(); |
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| 145 | MCsurf=para2.GetSurfaceArea(); |
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| 146 | toc = clock()-tic; |
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| 147 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 148 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 149 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 150 | G4cout <<"*******************" << G4endl; |
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| 151 | |
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| 152 | |
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| 153 | |
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| 154 | G4cout << " Calculating Trapezoid:" << G4endl; |
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| 155 | // G4Trd trd("Test Trd", 3,1, 4,1.5, 3); |
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| 156 | G4double a = std::sqrt(2.5); |
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| 157 | G4Trd trd("Test Trd", a,2*a, 2*a,a,std::sqrt(3.)*0.5*a); |
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| 158 | //Dx1,Dx2,Dy1,Dy2,Dz |
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| 159 | surf = trd.GetSurfaceArea(); |
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| 160 | G4cout << trd.GetCubicVolume() << G4endl; |
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| 161 | G4cout <<"Surface = " << surf << G4endl; |
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| 162 | G4IntersectionSolid trd2("Trd 2", &trd, &w); |
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| 163 | tic=clock(); |
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| 164 | MCsurf=trd2.GetSurfaceArea(); |
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| 165 | toc = clock()-tic; |
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| 166 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 167 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 168 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 169 | G4cout <<"*******************" << G4endl; |
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| 170 | |
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| 171 | |
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| 172 | |
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| 173 | G4cout << " Calculating Sphere:" << G4endl; |
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| 174 | G4Sphere sp("Test Sphere",2,3, 3*pi/4,pi, pi/6, pi); |
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| 175 | //Rmin, Rmax, Sphi, Dphi, STheta, Dtheta |
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| 176 | surf = sp.GetSurfaceArea(); |
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| 177 | G4cout <<"Surface = " << surf << G4endl; |
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| 178 | G4IntersectionSolid sp2("Trd 2", &sp, &w); |
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| 179 | tic=clock(); |
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| 180 | MCsurf=sp2.GetSurfaceArea(); |
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| 181 | toc = clock()-tic; |
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| 182 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 183 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 184 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 185 | G4cout <<"*******************" << G4endl; |
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| 186 | |
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| 187 | |
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| 188 | |
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| 189 | G4cout << " Calculating Torus:" << G4endl; |
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| 190 | G4Torus tor("Test Torus", 0.2,2,2.5, 0,0.2); |
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| 191 | //Rmin Rmax Rtor Sphi Dphi |
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| 192 | surf = tor.GetSurfaceArea(); |
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| 193 | G4cout <<"Surface = " << surf << G4endl; |
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| 194 | G4IntersectionSolid tor2("Tor 2", &tor, &w); |
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| 195 | tic=clock(); |
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| 196 | MCsurf=tor2.GetSurfaceArea(); |
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| 197 | toc = clock()-tic; |
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| 198 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 199 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 200 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 201 | G4cout <<"*******************" << G4endl; |
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| 202 | |
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| 203 | |
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| 204 | |
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| 205 | G4cout << " Calculating Orb:" << G4endl; |
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| 206 | G4Orb orb("Test Orb",2); |
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| 207 | surf = orb.GetSurfaceArea(); |
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| 208 | G4cout <<"Surface = " << surf << G4endl; |
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| 209 | G4IntersectionSolid orb2("Box 2", &orb, &w); |
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| 210 | tic=clock(); |
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| 211 | MCsurf=orb2.GetSurfaceArea(); |
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| 212 | toc = clock()-tic; |
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| 213 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 214 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 215 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 216 | G4cout <<"*******************" << G4endl; |
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| 217 | |
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| 218 | |
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| 219 | |
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| 220 | G4cout << " Calculating Extruded-Solid (against box):" << G4endl; |
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| 221 | // Box above defined as Xtru ... |
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| 222 | std::vector<G4TwoVector> polygon; |
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| 223 | polygon.push_back(G4TwoVector(-1.,-0.5)); |
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| 224 | polygon.push_back(G4TwoVector(-1., 0.5)); |
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| 225 | polygon.push_back(G4TwoVector( 1., 0.5)); |
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| 226 | polygon.push_back(G4TwoVector( 1.,-0.5)); |
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| 227 | |
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| 228 | G4ExtrudedSolid xtru("xtru-box", polygon, 3, |
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| 229 | G4TwoVector(), 1.0, G4TwoVector(), 1.0); |
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| 230 | |
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| 231 | surf = xtru.GetSurfaceArea(); |
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| 232 | G4cout <<"Surface = " << surf << G4endl; |
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| 233 | tic=clock(); |
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| 234 | MCsurf=box.GetSurfaceArea(); |
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| 235 | toc = clock()-tic; |
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| 236 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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| 237 | G4cout <<"MC result = " << MCsurf << G4endl; |
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| 238 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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| 239 | G4cout <<"*******************" << G4endl; |
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| 240 | |
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| 241 | ///////////////////////////////////////////////////// |
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| 242 | return true; |
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| 243 | } |
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| 244 | |
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| 245 | int main() |
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| 246 | { |
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| 247 | |
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| 248 | // initialise random generator: |
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| 249 | CLHEP::RanluxEngine defaultEngine(1234567,4); |
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| 250 | CLHEP::HepRandom::setTheEngine(&defaultEngine); |
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| 251 | G4int seed = time(NULL); |
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| 252 | CLHEP::HepRandom::setTheSeed(seed); |
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| 253 | #ifdef NDEBUG |
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| 254 | G4Exception("FAIL: *** Assertions must be compiled in! ***"); |
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| 255 | #endif |
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| 256 | assert(testG4Surf()); |
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| 257 | return 0; |
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| 258 | } |
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