| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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15 // * use. Please see the license in the file << 14 // * use. *
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19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // 23 //
>> 24 // $Id: G4VisExtent.cc,v 1.6 2001/07/24 21:39:50 johna Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
27 // 26 //
28 // 27 //
29 // A.Walkden 28/11/95 28 // A.Walkden 28/11/95
30 // G4VisExtent.cc - to return parameters usefu 29 // G4VisExtent.cc - to return parameters useful to the drawing window
31 // employed by Visualization code. 30 // employed by Visualization code.
32 31
33 #include "G4VisExtent.hh" 32 #include "G4VisExtent.hh"
34 33
35 #include "G4ThreeVector.hh" << 34 #include "G4ios.hh"
36 35
37 G4VisExtent::G4VisExtent (G4double xmin, G4dou << 36 G4VisExtent::G4VisExtent (G4double xmin, G4double xmax,
38 G4double ymin, G4dou << 37 G4double ymin, G4double ymax,
39 G4double zmin, G4dou << 38 G4double zmin, G4double zmax)
40 fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax << 39 :fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax(ymax), fZmin(zmin), fZmax(zmax)
41 fRadiusCached(false), fCentreCached(false), <<
42 {} 40 {}
43 41
44 G4VisExtent::G4VisExtent (const G4Point3D& cen << 42 G4VisExtent::G4VisExtent (const G4Point3D& centre, G4double radius) {
45 fRadiusCached(true), fCentreCached(true), <<
46 fRadius(radius), fCentre(centre) <<
47 { <<
48 // Use exscribed radius ... see comments in 43 // Use exscribed radius ... see comments in header file.
49 G4double halfSide (radius / std::sqrt (3.)); << 44 G4double halfSide (radius / sqrt (3.));
50 fXmin = centre.x () - halfSide; 45 fXmin = centre.x () - halfSide;
51 fXmax = centre.x () + halfSide; 46 fXmax = centre.x () + halfSide;
52 fYmin = centre.y () - halfSide; 47 fYmin = centre.y () - halfSide;
53 fYmax = centre.y () + halfSide; 48 fYmax = centre.y () + halfSide;
54 fZmin = centre.z () - halfSide; 49 fZmin = centre.z () - halfSide;
55 fZmax = centre.z () + halfSide; 50 fZmax = centre.z () + halfSide;
56 } 51 }
57 52
58 G4VisExtent::~G4VisExtent () = default; << 53 G4VisExtent::~G4VisExtent () {}
59 54
60 const G4VisExtent& G4VisExtent::GetNullExtent << 55 G4Point3D G4VisExtent::GetExtentCentre () const {
61 static const G4VisExtent nullExtent = G4VisE << 56 return G4Point3D (((fXmin + fXmax) / 2.),
62 return nullExtent; << 57 ((fYmin + fYmax) / 2.),
63 } << 58 ((fZmin + fZmax) / 2.));
64 <<
65 const G4Point3D& G4VisExtent::GetExtentCentre <<
66 if (!fCentreCached) { <<
67 fCentre = G4Point3D (((fXmin + fXmax) / 2. <<
68 ((fYmin + fYmax) / 2. <<
69 ((fZmin + fZmax) / 2. <<
70 fCentreCached = true; <<
71 } <<
72 return fCentre; <<
73 } 59 }
74 60
75 G4double G4VisExtent::GetExtentRadius () const 61 G4double G4VisExtent::GetExtentRadius () const {
76 if (!fRadiusCached) { << 62 return sqrt (((fXmax - fXmin) * (fXmax - fXmin)) +
77 fRadius = std::sqrt (((fXmax - fXmin) * (f << 63 ((fYmax - fYmin) * (fYmax - fYmin)) +
78 ((fYmax - fYmin) * (f << 64 ((fZmax - fZmin) * (fZmax - fZmin))) / 2.;
79 ((fZmax - fZmin) * (f <<
80 fRadiusCached = true; <<
81 } <<
82 return fRadius; <<
83 } 65 }
84 << 66
85 std::ostream& operator << (std::ostream& os, c << 67 G4std::ostream& operator << (G4std::ostream& os, const G4VisExtent& e) {
86 os << "G4VisExtent (bounding box):"; 68 os << "G4VisExtent (bounding box):";
87 os << "\n X limits: " << e.fXmin << ' ' << 69 os << "\n X limits: " << e.fXmin << ' ' << e.fXmax;
88 os << "\n Y limits: " << e.fYmin << ' ' << 70 os << "\n Y limits: " << e.fYmin << ' ' << e.fYmax;
89 os << "\n Z limits: " << e.fZmin << ' ' << 71 os << "\n Z limits: " << e.fZmin << ' ' << e.fZmax;
90 return os; 72 return os;
91 } 73 }
92 74
93 G4bool G4VisExtent::operator != (const G4VisEx 75 G4bool G4VisExtent::operator != (const G4VisExtent& e) const {
94 return ((fXmin != e.fXmin) || 76 return ((fXmin != e.fXmin) ||
95 (fXmax != e.fXmax) || << 77 (fXmax != e.fXmax) ||
96 (fYmin != e.fYmin) || << 78 (fYmin != e.fYmin) ||
97 (fYmax != e.fYmax) || << 79 (fYmax != e.fYmax) ||
98 (fZmin != e.fZmin) || << 80 (fZmin != e.fZmin) ||
99 (fZmax != e.fZmax)); << 81 (fZmax != e.fZmax));
100 } <<
101 <<
102 G4VisExtent& G4VisExtent::Transform (const G4T <<
103 { <<
104 const auto& rotation = transform.getRotation <<
105 const auto& translation = transform.getTrans <<
106 <<
107 G4ThreeVector nnn(fXmin,fYmin,fZmin); <<
108 G4ThreeVector nnx(fXmin,fYmin,fZmax); <<
109 G4ThreeVector nxn(fXmin,fYmax,fZmin); <<
110 G4ThreeVector nxx(fXmin,fYmax,fZmax); <<
111 G4ThreeVector xnn(fXmax,fYmin,fZmin); <<
112 G4ThreeVector xnx(fXmax,fYmin,fZmax); <<
113 G4ThreeVector xxn(fXmax,fYmax,fZmin); <<
114 G4ThreeVector xxx(fXmax,fYmax,fZmax); <<
115 <<
116 nnn.transform(rotation); nnn += translation; <<
117 nnx.transform(rotation); nnx += translation; <<
118 nxn.transform(rotation); nxn += translation; <<
119 nxx.transform(rotation); nxx += translation; <<
120 xnn.transform(rotation); xnn += translation; <<
121 xnx.transform(rotation); xnx += translation; <<
122 xxn.transform(rotation); xxn += translation; <<
123 xxx.transform(rotation); xxx += translation; <<
124 <<
125 fXmin = DBL_MAX; <<
126 fYmin = DBL_MAX; <<
127 fZmin = DBL_MAX; <<
128 fXmax = -DBL_MAX; <<
129 fYmax = -DBL_MAX; <<
130 fZmax = -DBL_MAX; <<
131 for (const auto& corner: {nnn,nnx,nxn,nxx,xn <<
132 if (fXmin > corner.getX()) fXmin = corner. <<
133 if (fYmin > corner.getY()) fYmin = corner. <<
134 if (fZmin > corner.getZ()) fZmin = corner. <<
135 if (fXmax < corner.getX()) fXmax = corner. <<
136 if (fYmax < corner.getY()) fYmax = corner. <<
137 if (fZmax < corner.getZ()) fZmax = corner. <<
138 } <<
139 <<
140 return *this; <<
141 } 82 }
142 83