[830] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // $Id: G4NURBScylinder.cc,v 1.8 2006/06/29 19:06:47 gunter Exp $ |
---|
| 28 | // GEANT4 tag $Name: $ |
---|
| 29 | // |
---|
| 30 | // |
---|
| 31 | // Olivier Crumeyrolle 12 September 1996 |
---|
| 32 | |
---|
| 33 | // Cylinder builder implementation |
---|
| 34 | // OC 090796 |
---|
| 35 | |
---|
| 36 | #include "G4NURBScylinder.hh" |
---|
| 37 | |
---|
| 38 | // the cylinder constructor use the first G4NURBS constructor |
---|
| 39 | // look in G4NURBStube if you want to see how to use the second one. |
---|
| 40 | |
---|
| 41 | G4NURBScylinder::G4NURBScylinder(G4double R, G4double DZ) |
---|
| 42 | : G4NURBS ( 2, 3, // linear along U, quadratic along V |
---|
| 43 | 4, 9, // half rectangle along U, circle along V |
---|
| 44 | (new t_CtrlPt [ 4 * 9 ]), // the array for CtrlPts |
---|
| 45 | 0, // the knot vector along U will be generated |
---|
| 46 | (new t_Knot [ 3 + 9 ]) ) // knot vector for the circle |
---|
| 47 | { |
---|
| 48 | // define the V knot vector |
---|
| 49 | m[V].pKnots[ 0] = 0; |
---|
| 50 | m[V].pKnots[ 1] = 0; |
---|
| 51 | m[V].pKnots[ 2] = 0; |
---|
| 52 | m[V].pKnots[ 3] = 0.25; |
---|
| 53 | m[V].pKnots[ 4] = 0.25; |
---|
| 54 | m[V].pKnots[ 5] = 0.5; |
---|
| 55 | m[V].pKnots[ 6] = 0.5; |
---|
| 56 | m[V].pKnots[ 7] = 0.75; |
---|
| 57 | m[V].pKnots[ 8] = 0.75; |
---|
| 58 | m[V].pKnots[ 9] = 1; |
---|
| 59 | m[V].pKnots[10] = 1; |
---|
| 60 | m[V].pKnots[11] = 1; |
---|
| 61 | |
---|
| 62 | // define control points |
---|
| 63 | |
---|
| 64 | const G4double sr2o2 = std::sqrt(2.)/2. ; |
---|
| 65 | |
---|
| 66 | CP(mpCtrlPts[ 0] , 0, 0, DZ, 1 ); |
---|
| 67 | CP(mpCtrlPts[ 1] , R, 0, DZ, 1 ); |
---|
| 68 | CP(mpCtrlPts[ 2] , R, 0, -DZ, 1 ); |
---|
| 69 | CP(mpCtrlPts[ 3] , 0, 0, -DZ, 1 ); |
---|
| 70 | |
---|
| 71 | CP(mpCtrlPts[ 4] , 0, 0, DZ, 1 ); |
---|
| 72 | CP(mpCtrlPts[ 5] , R, R, DZ, 1 , sr2o2); |
---|
| 73 | CP(mpCtrlPts[ 6] , R, R,-DZ, 1 , sr2o2); |
---|
| 74 | CP(mpCtrlPts[ 7] , 0, 0, -DZ, 1 ); |
---|
| 75 | |
---|
| 76 | CP(mpCtrlPts[ 8] , 0, 0, DZ, 1 ); |
---|
| 77 | CP(mpCtrlPts[ 9] , 0, R, DZ, 1 ); |
---|
| 78 | CP(mpCtrlPts[10] , 0, R, -DZ, 1 ); |
---|
| 79 | CP(mpCtrlPts[11] , 0, 0, -DZ, 1 ); |
---|
| 80 | |
---|
| 81 | CP(mpCtrlPts[12] , 0, 0, DZ, 1 ); |
---|
| 82 | CP(mpCtrlPts[13] , -R, R, DZ, 1 , sr2o2); |
---|
| 83 | CP(mpCtrlPts[14] , -R, R,-DZ, 1 , sr2o2); |
---|
| 84 | CP(mpCtrlPts[15] , 0, 0, -DZ, 1 ); |
---|
| 85 | |
---|
| 86 | CP(mpCtrlPts[16] , 0, 0, DZ, 1 ); |
---|
| 87 | CP(mpCtrlPts[17] , -R, 0, DZ, 1 ); |
---|
| 88 | CP(mpCtrlPts[18] , -R, 0, -DZ, 1 ); |
---|
| 89 | CP(mpCtrlPts[19] , 0, 0, -DZ, 1 ); |
---|
| 90 | |
---|
| 91 | CP(mpCtrlPts[20] , 0, 0, DZ, 1 ); |
---|
| 92 | CP(mpCtrlPts[21] , -R,-R, DZ, 1 , sr2o2); |
---|
| 93 | CP(mpCtrlPts[22] , -R,-R,-DZ, 1 , sr2o2); |
---|
| 94 | CP(mpCtrlPts[23] , 0, 0, -DZ, 1 ); |
---|
| 95 | |
---|
| 96 | CP(mpCtrlPts[24] , 0, 0, DZ, 1 ); |
---|
| 97 | CP(mpCtrlPts[25] , 0, -R, DZ, 1 ); |
---|
| 98 | CP(mpCtrlPts[26] , 0, -R,-DZ, 1 ); |
---|
| 99 | CP(mpCtrlPts[27] , 0, 0, -DZ, 1 ); |
---|
| 100 | |
---|
| 101 | CP(mpCtrlPts[28] , 0, 0, DZ, 1 ); |
---|
| 102 | CP(mpCtrlPts[29] , R,-R, DZ, 1 , sr2o2); |
---|
| 103 | CP(mpCtrlPts[30] , R,-R,-DZ, 1 , sr2o2); |
---|
| 104 | CP(mpCtrlPts[31] , 0, 0, -DZ, 1 ); |
---|
| 105 | |
---|
| 106 | CP(mpCtrlPts[32] , 0, 0, DZ, 1 ); |
---|
| 107 | CP(mpCtrlPts[33] , R, 0, DZ, 1 ); |
---|
| 108 | CP(mpCtrlPts[34] , R, 0, -DZ, 1 ); |
---|
| 109 | CP(mpCtrlPts[35] , 0, 0, -DZ, 1 ); |
---|
| 110 | } |
---|
| 111 | |
---|
| 112 | const char* G4NURBScylinder::Whoami() const |
---|
| 113 | { |
---|
| 114 | return "Cylinder"; |
---|
| 115 | } |
---|