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25 // 7 //
26 // G4VoxelLimits << 8 // $Id: G4VoxelLimits.hh,v 1.4 2000/04/20 16:49:48 gcosmo Exp $
>> 9 // GEANT4 tag $Name: geant4-03-01 $
>> 10 //
>> 11 // class G4VoxelLimits
27 // 12 //
28 // Class description: 13 // Class description:
29 // 14 //
30 // Represents limitation/restrictions of space 15 // Represents limitation/restrictions of space, where restrictions
31 // are only made perpendicular to the cartesia 16 // are only made perpendicular to the cartesian axes.
32 // 17 //
>> 18 //
33 // Member data: 19 // Member data:
34 // 20 //
35 // G4double fxAxisMin,fxAxisMax 21 // G4double fxAxisMin,fxAxisMax
36 // G4double fyAxisMin,fyAxisMax 22 // G4double fyAxisMin,fyAxisMax
37 // G4double fzAxisMin,fzAxisMax 23 // G4double fzAxisMin,fzAxisMax
38 // - The min and max values along each axis. + << 24 // - The min and max values along each axis. +-kInfinity if not restricted.
>> 25 //
>> 26 //
>> 27 // Notes:
>> 28 //
>> 29 // Beware no break statements after returns in switch(pAxis)s.
>> 30
>> 31 // History:
>> 32 // 13.07.95 P.Kent Initial version.
39 33
40 // 13.07.95, P.Kent - Initial version. <<
41 // ------------------------------------------- <<
42 #ifndef G4VOXELLIMITS_HH 34 #ifndef G4VOXELLIMITS_HH
43 #define G4VOXELLIMITS_HH 1 << 35 #define G4VOXELLIMITS_HH
44 36
45 #include "G4Types.hh" << 37 #include "globals.hh"
46 #include "geomdefs.hh" 38 #include "geomdefs.hh"
47 39
48 #include "G4ThreeVector.hh" 40 #include "G4ThreeVector.hh"
>> 41 #include "g4std/iostream"
49 42
50 #include <assert.h> 43 #include <assert.h>
51 44
52 class G4VoxelLimits 45 class G4VoxelLimits
53 { 46 {
54 public: << 47 public: // with description
55 48
56 G4VoxelLimits() = default; << 49 G4VoxelLimits() : fxAxisMin(-kInfinity),fxAxisMax(kInfinity),
>> 50 fyAxisMin(-kInfinity),fyAxisMax(kInfinity),
>> 51 fzAxisMin(-kInfinity),fzAxisMax(kInfinity) {;}
57 // Constructor - initialise to be unlimi 52 // Constructor - initialise to be unlimited. Volume unrestricted.
58 53
59 ~G4VoxelLimits() = default; << 54 ~G4VoxelLimits() {;}
60 // Destructor. No actions. 55 // Destructor. No actions.
61 56
62 void AddLimit(const EAxis pAxis, const G4d << 57 void AddLimit(const EAxis pAxis, const G4double pMin,const G4double pMax);
63 // Restrict the volume to between specif 58 // Restrict the volume to between specified min and max along the
64 // given axis. Cartesian axes only, pMin 59 // given axis. Cartesian axes only, pMin<=pMax.
65 60
66 G4double GetMaxXExtent() const; 61 G4double GetMaxXExtent() const;
67 // Return maximum x extent. 62 // Return maximum x extent.
68 G4double GetMaxYExtent() const; 63 G4double GetMaxYExtent() const;
69 // Return maximum y extent. 64 // Return maximum y extent.
70 G4double GetMaxZExtent() const; 65 G4double GetMaxZExtent() const;
71 // Return maximum z extent. 66 // Return maximum z extent.
72 67
73 G4double GetMinXExtent() const; 68 G4double GetMinXExtent() const;
74 // Return minimum x extent. 69 // Return minimum x extent.
75 G4double GetMinYExtent() const; 70 G4double GetMinYExtent() const;
76 // Return minimum y extent. 71 // Return minimum y extent.
77 G4double GetMinZExtent() const; 72 G4double GetMinZExtent() const;
78 // Return minimum z extent. 73 // Return minimum z extent.
79 74
80 G4double GetMaxExtent(const EAxis pAxis) c 75 G4double GetMaxExtent(const EAxis pAxis) const;
81 // Return maximum extent of volume along 76 // Return maximum extent of volume along specified axis.
82 G4double GetMinExtent(const EAxis pAxis) c 77 G4double GetMinExtent(const EAxis pAxis) const;
83 // Return minimum extent of volume along 78 // Return minimum extent of volume along specified axis.
84 79
85 G4bool IsXLimited() const; 80 G4bool IsXLimited() const;
86 // Return true if the x axis is limited. 81 // Return true if the x axis is limited.
87 G4bool IsYLimited() const; 82 G4bool IsYLimited() const;
88 // Return true if the y axis is limited. 83 // Return true if the y axis is limited.
89 G4bool IsZLimited() const; 84 G4bool IsZLimited() const;
90 // Return true if the z axis is limited. 85 // Return true if the z axis is limited.
91 86
92 G4bool IsLimited() const; 87 G4bool IsLimited() const;
93 // Return true if limited along any axis 88 // Return true if limited along any axis
94 G4bool IsLimited(const EAxis pAxis) const; 89 G4bool IsLimited(const EAxis pAxis) const;
95 // Return true if the specified axis is 90 // Return true if the specified axis is restricted/limited.
96 91
97 G4bool ClipToLimits(G4ThreeVector& pStart, << 92 G4bool ClipToLimits(G4ThreeVector& pStart,G4ThreeVector& pEnd) const;
98 // Clip the line segment pStart->pEnd to 93 // Clip the line segment pStart->pEnd to the volume described by the
99 // current limits. Return true if the li 94 // current limits. Return true if the line remains after clipping,
100 // else false, and leave the vectors in 95 // else false, and leave the vectors in an undefined state.
101 96
102 G4bool Inside(const G4ThreeVector& pVec) c 97 G4bool Inside(const G4ThreeVector& pVec) const;
103 // Return true if the specified vector i 98 // Return true if the specified vector is inside/on boundaries of limits.
104 99
105 G4int OutCode(const G4ThreeVector& pVec) c 100 G4int OutCode(const G4ThreeVector& pVec) const;
106 // Calculate the `outcode' for the speci 101 // Calculate the `outcode' for the specified vector.
107 // Intended for use during clipping agai 102 // Intended for use during clipping against the limits
108 // The bits are set given the following 103 // The bits are set given the following conditions:
109 // 0 pVec.x()<fxAxisMin && IsXLim 104 // 0 pVec.x()<fxAxisMin && IsXLimited()
110 // 1 pVec.x()>fxAxisMax && IsXLim 105 // 1 pVec.x()>fxAxisMax && IsXLimited()
111 // 2 pVec.y()<fyAxisMin && IsYLim 106 // 2 pVec.y()<fyAxisMin && IsYLimited()
112 // 3 pVec.y()>fyAxisMax && IsYLim 107 // 3 pVec.y()>fyAxisMax && IsYLimited()
113 // 4 pVec.z()<fzAxisMin && IsZLim 108 // 4 pVec.z()<fzAxisMin && IsZLimited()
114 // 5 pVec.z()>fzAxisMax && IsZLim 109 // 5 pVec.z()>fzAxisMax && IsZLimited()
115 110
116 private: 111 private:
117 112
118 G4double fxAxisMin = -kInfinity, fxAxisMax << 113 G4double fxAxisMin,fxAxisMax;
119 G4double fyAxisMin = -kInfinity, fyAxisMax << 114 G4double fyAxisMin,fyAxisMax;
120 G4double fzAxisMin = -kInfinity, fzAxisMax << 115 G4double fzAxisMin,fzAxisMax;
121 }; 116 };
122 117
123 #include "G4VoxelLimits.icc" 118 #include "G4VoxelLimits.icc"
124 119
125 std::ostream& operator << (std::ostream& os, c << 120 G4std::ostream& operator << (G4std::ostream& os, const G4VoxelLimits& pLim);
126 // Print the limits to the stream in the for 121 // Print the limits to the stream in the form:
127 // "{(xmin,xmax) (ymin,ymax) (zmin,zmax)}" 122 // "{(xmin,xmax) (ymin,ymax) (zmin,zmax)}"
128 // Replace (xmin,xmax) by (-,-) when not li 123 // Replace (xmin,xmax) by (-,-) when not limited.
129 124
130 #endif 125 #endif
131 126