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: G4IntersectingCone.hh,v 1.11 2008/04/28 08:59:47 gcosmo Exp $ |
---|
28 | // GEANT4 tag $Name: HEAD $ |
---|
29 | // |
---|
30 | // |
---|
31 | // -------------------------------------------------------------------- |
---|
32 | // GEANT 4 class header file |
---|
33 | // |
---|
34 | // |
---|
35 | // G4IntersectingCone |
---|
36 | // |
---|
37 | // Class description: |
---|
38 | // |
---|
39 | // Utility class which calculates the intersection |
---|
40 | // of an arbitrary line with a fixed cone |
---|
41 | |
---|
42 | // Author: |
---|
43 | // David C. Williams (davidw@scipp.ucsc.edu) |
---|
44 | // -------------------------------------------------------------------- |
---|
45 | #ifndef G4IntersectingCone_hh |
---|
46 | #define G4IntersectingCone_hh |
---|
47 | |
---|
48 | #include "G4Types.hh" |
---|
49 | #include "geomdefs.hh" |
---|
50 | #include "G4ThreeVector.hh" |
---|
51 | |
---|
52 | class G4IntersectingCone |
---|
53 | { |
---|
54 | public: |
---|
55 | |
---|
56 | G4IntersectingCone( const G4double r[2], const G4double z[2] ); |
---|
57 | virtual ~G4IntersectingCone(); |
---|
58 | |
---|
59 | G4int LineHitsCone( const G4ThreeVector &p, const G4ThreeVector &v, |
---|
60 | G4double *s1, G4double *s2 ); |
---|
61 | |
---|
62 | G4bool HitOn( const G4double r, const G4double z ); |
---|
63 | |
---|
64 | inline G4double RLo() const { return rLo; } |
---|
65 | inline G4double RHi() const { return rHi; } |
---|
66 | inline G4double ZLo() const { return zLo; } |
---|
67 | inline G4double ZHi() const { return zHi; } |
---|
68 | |
---|
69 | public: // without description |
---|
70 | |
---|
71 | G4IntersectingCone(__void__&); |
---|
72 | // Fake default constructor for usage restricted to direct object |
---|
73 | // persistency for clients requiring preallocation of memory for |
---|
74 | // persistifiable objects. |
---|
75 | |
---|
76 | |
---|
77 | protected: |
---|
78 | |
---|
79 | G4double zLo, zHi, // Z bounds of side |
---|
80 | rLo, rHi; // R bounds of side |
---|
81 | |
---|
82 | G4bool type1; // True if cone is type 1 |
---|
83 | // (std::abs(z1-z2)>std::abs(r1-r2)) |
---|
84 | G4double A, B; // Cone radius parameter: |
---|
85 | // type 1: r = A + B*z |
---|
86 | // type 2: z = A + B*r |
---|
87 | |
---|
88 | G4double half_kCarTolerance; // half of Surface Thickness |
---|
89 | |
---|
90 | G4int LineHitsCone1( const G4ThreeVector &p, const G4ThreeVector &v, |
---|
91 | G4double *s1, G4double *s2 ); |
---|
92 | G4int LineHitsCone2( const G4ThreeVector &p, const G4ThreeVector &v, |
---|
93 | G4double *s1, G4double *s2 ); |
---|
94 | }; |
---|
95 | |
---|
96 | #endif |
---|