00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035 #include "G4NURBScylinder.hh"
00036
00037
00038
00039
00040 G4NURBScylinder::G4NURBScylinder(G4double R, G4double DZ)
00041 : G4NURBS ( 2, 3,
00042 4, 9,
00043 (new t_CtrlPt [ 4 * 9 ]),
00044 0,
00045 (new t_Knot [ 3 + 9 ]) )
00046 {
00047
00048 m[V].pKnots[ 0] = 0;
00049 m[V].pKnots[ 1] = 0;
00050 m[V].pKnots[ 2] = 0;
00051 m[V].pKnots[ 3] = 0.25;
00052 m[V].pKnots[ 4] = 0.25;
00053 m[V].pKnots[ 5] = 0.5;
00054 m[V].pKnots[ 6] = 0.5;
00055 m[V].pKnots[ 7] = 0.75;
00056 m[V].pKnots[ 8] = 0.75;
00057 m[V].pKnots[ 9] = 1;
00058 m[V].pKnots[10] = 1;
00059 m[V].pKnots[11] = 1;
00060
00061
00062
00063 const G4double sr2o2 = std::sqrt(2.)/2. ;
00064
00065 CP(mpCtrlPts[ 0] , 0, 0, DZ, 1 );
00066 CP(mpCtrlPts[ 1] , R, 0, DZ, 1 );
00067 CP(mpCtrlPts[ 2] , R, 0, -DZ, 1 );
00068 CP(mpCtrlPts[ 3] , 0, 0, -DZ, 1 );
00069
00070 CP(mpCtrlPts[ 4] , 0, 0, DZ, 1 );
00071 CP(mpCtrlPts[ 5] , R, R, DZ, 1 , sr2o2);
00072 CP(mpCtrlPts[ 6] , R, R,-DZ, 1 , sr2o2);
00073 CP(mpCtrlPts[ 7] , 0, 0, -DZ, 1 );
00074
00075 CP(mpCtrlPts[ 8] , 0, 0, DZ, 1 );
00076 CP(mpCtrlPts[ 9] , 0, R, DZ, 1 );
00077 CP(mpCtrlPts[10] , 0, R, -DZ, 1 );
00078 CP(mpCtrlPts[11] , 0, 0, -DZ, 1 );
00079
00080 CP(mpCtrlPts[12] , 0, 0, DZ, 1 );
00081 CP(mpCtrlPts[13] , -R, R, DZ, 1 , sr2o2);
00082 CP(mpCtrlPts[14] , -R, R,-DZ, 1 , sr2o2);
00083 CP(mpCtrlPts[15] , 0, 0, -DZ, 1 );
00084
00085 CP(mpCtrlPts[16] , 0, 0, DZ, 1 );
00086 CP(mpCtrlPts[17] , -R, 0, DZ, 1 );
00087 CP(mpCtrlPts[18] , -R, 0, -DZ, 1 );
00088 CP(mpCtrlPts[19] , 0, 0, -DZ, 1 );
00089
00090 CP(mpCtrlPts[20] , 0, 0, DZ, 1 );
00091 CP(mpCtrlPts[21] , -R,-R, DZ, 1 , sr2o2);
00092 CP(mpCtrlPts[22] , -R,-R,-DZ, 1 , sr2o2);
00093 CP(mpCtrlPts[23] , 0, 0, -DZ, 1 );
00094
00095 CP(mpCtrlPts[24] , 0, 0, DZ, 1 );
00096 CP(mpCtrlPts[25] , 0, -R, DZ, 1 );
00097 CP(mpCtrlPts[26] , 0, -R,-DZ, 1 );
00098 CP(mpCtrlPts[27] , 0, 0, -DZ, 1 );
00099
00100 CP(mpCtrlPts[28] , 0, 0, DZ, 1 );
00101 CP(mpCtrlPts[29] , R,-R, DZ, 1 , sr2o2);
00102 CP(mpCtrlPts[30] , R,-R,-DZ, 1 , sr2o2);
00103 CP(mpCtrlPts[31] , 0, 0, -DZ, 1 );
00104
00105 CP(mpCtrlPts[32] , 0, 0, DZ, 1 );
00106 CP(mpCtrlPts[33] , R, 0, DZ, 1 );
00107 CP(mpCtrlPts[34] , R, 0, -DZ, 1 );
00108 CP(mpCtrlPts[35] , 0, 0, -DZ, 1 );
00109 }
00110
00111 const char* G4NURBScylinder::Whoami() const
00112 {
00113 return "Cylinder";
00114 }