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26 // 26 //
>> 27 // $Id: G4VisExtent.cc,v 1.10 2006/06/29 19:07:28 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-03-patch-01 $
27 // 29 //
28 // 30 //
29 // A.Walkden 28/11/95 31 // A.Walkden 28/11/95
30 // G4VisExtent.cc - to return parameters usefu 32 // G4VisExtent.cc - to return parameters useful to the drawing window
31 // employed by Visualization code. 33 // employed by Visualization code.
32 34
33 #include "G4VisExtent.hh" 35 #include "G4VisExtent.hh"
34 36
35 #include "G4ThreeVector.hh" << 37 #include "G4ios.hh"
36 38
37 G4VisExtent::G4VisExtent (G4double xmin, G4dou << 39 const G4VisExtent G4VisExtent::NullExtent; // Default extent is null.
38 G4double ymin, G4dou << 40
39 G4double zmin, G4dou << 41 G4VisExtent::G4VisExtent (G4double xmin, G4double xmax,
40 fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax << 42 G4double ymin, G4double ymax,
41 fRadiusCached(false), fCentreCached(false), << 43 G4double zmin, G4double zmax)
>> 44 :fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax(ymax), fZmin(zmin), fZmax(zmax)
42 {} 45 {}
43 46
44 G4VisExtent::G4VisExtent (const G4Point3D& cen << 47 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 48 // Use exscribed radius ... see comments in header file.
49 G4double halfSide (radius / std::sqrt (3.)); 49 G4double halfSide (radius / std::sqrt (3.));
50 fXmin = centre.x () - halfSide; 50 fXmin = centre.x () - halfSide;
51 fXmax = centre.x () + halfSide; 51 fXmax = centre.x () + halfSide;
52 fYmin = centre.y () - halfSide; 52 fYmin = centre.y () - halfSide;
53 fYmax = centre.y () + halfSide; 53 fYmax = centre.y () + halfSide;
54 fZmin = centre.z () - halfSide; 54 fZmin = centre.z () - halfSide;
55 fZmax = centre.z () + halfSide; 55 fZmax = centre.z () + halfSide;
56 } 56 }
57 57
58 G4VisExtent::~G4VisExtent () = default; << 58 G4VisExtent::~G4VisExtent () {}
59 <<
60 const G4VisExtent& G4VisExtent::GetNullExtent <<
61 static const G4VisExtent nullExtent = G4VisE <<
62 return nullExtent; <<
63 } <<
64 59
65 const G4Point3D& G4VisExtent::GetExtentCentre << 60 G4Point3D G4VisExtent::GetExtentCentre () const {
66 if (!fCentreCached) { << 61 return G4Point3D (((fXmin + fXmax) / 2.),
67 fCentre = G4Point3D (((fXmin + fXmax) / 2. << 62 ((fYmin + fYmax) / 2.),
68 ((fYmin + fYmax) / 2. << 63 ((fZmin + fZmax) / 2.));
69 ((fZmin + fZmax) / 2. <<
70 fCentreCached = true; <<
71 } <<
72 return fCentre; <<
73 } 64 }
74 65
75 G4double G4VisExtent::GetExtentRadius () const 66 G4double G4VisExtent::GetExtentRadius () const {
76 if (!fRadiusCached) { << 67 return std::sqrt (((fXmax - fXmin) * (fXmax - fXmin)) +
77 fRadius = std::sqrt (((fXmax - fXmin) * (f << 68 ((fYmax - fYmin) * (fYmax - fYmin)) +
78 ((fYmax - fYmin) * (f << 69 ((fZmax - fZmin) * (fZmax - fZmin))) / 2.;
79 ((fZmax - fZmin) * (f <<
80 fRadiusCached = true; <<
81 } <<
82 return fRadius; <<
83 } 70 }
84 << 71
85 std::ostream& operator << (std::ostream& os, c 72 std::ostream& operator << (std::ostream& os, const G4VisExtent& e) {
86 os << "G4VisExtent (bounding box):"; 73 os << "G4VisExtent (bounding box):";
87 os << "\n X limits: " << e.fXmin << ' ' << 74 os << "\n X limits: " << e.fXmin << ' ' << e.fXmax;
88 os << "\n Y limits: " << e.fYmin << ' ' << 75 os << "\n Y limits: " << e.fYmin << ' ' << e.fYmax;
89 os << "\n Z limits: " << e.fZmin << ' ' << 76 os << "\n Z limits: " << e.fZmin << ' ' << e.fZmax;
90 return os; 77 return os;
91 } 78 }
92 79
93 G4bool G4VisExtent::operator != (const G4VisEx 80 G4bool G4VisExtent::operator != (const G4VisExtent& e) const {
94 return ((fXmin != e.fXmin) || 81 return ((fXmin != e.fXmin) ||
95 (fXmax != e.fXmax) || << 82 (fXmax != e.fXmax) ||
96 (fYmin != e.fYmin) || << 83 (fYmin != e.fYmin) ||
97 (fYmax != e.fYmax) || << 84 (fYmax != e.fYmax) ||
98 (fZmin != e.fZmin) || << 85 (fZmin != e.fZmin) ||
99 (fZmax != e.fZmax)); << 86 (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 } 87 }
142 88