G4NURBScylinder Class Reference

#include <G4NURBScylinder.hh>

Inheritance diagram for G4NURBScylinder:

G4NURBS G4Visible

Public Member Functions

 G4NURBScylinder (G4double R, G4double DZ)
const char * Whoami () const

Detailed Description

Definition at line 44 of file G4NURBScylinder.hh.


Constructor & Destructor Documentation

G4NURBScylinder::G4NURBScylinder ( G4double  R,
G4double  DZ 
)

Definition at line 40 of file G4NURBScylinder.cc.

References G4NURBS::CP(), G4NURBS::m, G4NURBS::mpCtrlPts, and G4NURBS::V.

00041   : G4NURBS  ( 2, 3,  // linear along U, quadratic along V
00042                4, 9,  // half rectangle along U, circle along V
00043                (new t_CtrlPt [ 4 * 9 ]),  // the array for CtrlPts
00044                0,     // the knot vector along U will be generated
00045                (new t_Knot [ 3 + 9 ]) )   // knot vector for the circle
00046 {
00047   // define the V knot vector
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   // define control points
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 }


Member Function Documentation

const char * G4NURBScylinder::Whoami (  )  const [virtual]

Implements G4NURBS.

Definition at line 111 of file G4NURBScylinder.cc.

00112 {
00113   return "Cylinder";
00114 }


The documentation for this class was generated from the following files:
Generated on Mon May 27 17:52:46 2013 for Geant4 by  doxygen 1.4.7