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>> 1 // This code implementation is the intellectual property of
>> 2 // the GEANT4 collaboration.
1 // 3 //
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4 // * << 6 // and all its terms.
5 // * The Geant4 software is copyright of th <<
6 // * the Geant4 Collaboration. It is provided <<
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9 // * include a list of copyright holders. <<
10 // * <<
11 // * Neither the authors of this software syst <<
12 // * institutes,nor the agencies providing fin <<
13 // * work make any representation or warran <<
14 // * regarding this software system or assum <<
15 // * use. Please see the license in the file <<
16 // * for the full disclaimer and the limitatio <<
17 // * <<
18 // * This code implementation is the result <<
19 // * technical work of the GEANT4 collaboratio <<
20 // * By using, copying, modifying or distri <<
21 // * any work based on the software) you ag <<
22 // * use in resulting scientific publicati <<
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* <<
25 // <<
26 // 7 //
>> 8 // $Id: G4VisExtent.cc,v 1.4 1999/12/15 14:50:37 gunter Exp $
>> 9 // GEANT4 tag $Name: geant4-03-00 $
27 // 10 //
28 // 11 //
29 // A.Walkden 28/11/95 12 // A.Walkden 28/11/95
30 // G4VisExtent.cc - to return parameters usefu 13 // G4VisExtent.cc - to return parameters useful to the drawing window
31 // employed by Visualization code. 14 // employed by Visualization code.
32 15
33 #include "G4VisExtent.hh" 16 #include "G4VisExtent.hh"
34 17
35 #include "G4ThreeVector.hh" << 18 #include "G4ios.hh"
36 19
37 G4VisExtent::G4VisExtent (G4double xmin, G4dou << 20 G4VisExtent::G4VisExtent (G4double xmin, G4double xmax,
38 G4double ymin, G4dou << 21 G4double ymin, G4double ymax,
39 G4double zmin, G4dou << 22 G4double zmin, G4double zmax)
40 fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax << 23 :fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax(ymax), fZmin(zmin), fZmax(zmax)
41 fRadiusCached(false), fCentreCached(false), <<
42 {} 24 {}
43 25
44 G4VisExtent::G4VisExtent (const G4Point3D& cen << 26 G4VisExtent::G4VisExtent (const G4Point3D& centre, G4double radius) {
45 fRadiusCached(true), fCentreCached(true), << 27 // Use inscribed radius to define G3VisExtent so that
46 fRadius(radius), fCentre(centre) << 28 // GetExtentRadius gets radius back again. The one is the "inverse"
47 { << 29 // of the other, so to speak.
48 // Use exscribed radius ... see comments in << 30 G4double inscribedRadius = radius / sqrt (3.);
49 G4double halfSide (radius / std::sqrt (3.)); << 31 fXmin = centre.x () - inscribedRadius;
50 fXmin = centre.x () - halfSide; << 32 fXmax = centre.x () + inscribedRadius;
51 fXmax = centre.x () + halfSide; << 33 fYmin = centre.y () - inscribedRadius;
52 fYmin = centre.y () - halfSide; << 34 fYmax = centre.y () + inscribedRadius;
53 fYmax = centre.y () + halfSide; << 35 fZmin = centre.z () - inscribedRadius;
54 fZmin = centre.z () - halfSide; << 36 fZmax = centre.z () + inscribedRadius;
55 fZmax = centre.z () + halfSide; << 37 }
56 } << 38
57 << 39 G4VisExtent::~G4VisExtent () {}
58 G4VisExtent::~G4VisExtent () = default; << 40
59 << 41 G4Point3D G4VisExtent::GetExtentCentre () const {
60 const G4VisExtent& G4VisExtent::GetNullExtent << 42 return G4Point3D (((fXmin + fXmax) / 2.),
61 static const G4VisExtent nullExtent = G4VisE << 43 ((fYmin + fYmax) / 2.),
62 return nullExtent; << 44 ((fZmin + fZmax) / 2.));
63 } <<
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 } 45 }
74 46
75 G4double G4VisExtent::GetExtentRadius () const 47 G4double G4VisExtent::GetExtentRadius () const {
76 if (!fRadiusCached) { << 48 return sqrt (((fXmax - fXmin) * (fXmax - fXmin)) +
77 fRadius = std::sqrt (((fXmax - fXmin) * (f << 49 ((fYmax - fYmin) * (fYmax - fYmin)) +
78 ((fYmax - fYmin) * (f << 50 ((fZmax - fZmin) * (fZmax - fZmin))) / 2.;
79 ((fZmax - fZmin) * (f <<
80 fRadiusCached = true; <<
81 } <<
82 return fRadius; <<
83 } 51 }
84 << 52
85 std::ostream& operator << (std::ostream& os, c << 53 G4std::ostream& operator << (G4std::ostream& os, const G4VisExtent& e) {
86 os << "G4VisExtent (bounding box):"; 54 os << "G4VisExtent (bounding box):";
87 os << "\n X limits: " << e.fXmin << ' ' << 55 os << "\n X limits: " << e.fXmin << ' ' << e.fXmax;
88 os << "\n Y limits: " << e.fYmin << ' ' << 56 os << "\n Y limits: " << e.fYmin << ' ' << e.fYmax;
89 os << "\n Z limits: " << e.fZmin << ' ' << 57 os << "\n Z limits: " << e.fZmin << ' ' << e.fZmax;
90 return os; 58 return os;
91 } 59 }
92 60
93 G4bool G4VisExtent::operator != (const G4VisEx 61 G4bool G4VisExtent::operator != (const G4VisExtent& e) const {
94 return ((fXmin != e.fXmin) || 62 return ((fXmin != e.fXmin) ||
95 (fXmax != e.fXmax) || << 63 (fXmax != e.fXmax) ||
96 (fYmin != e.fYmin) || << 64 (fYmin != e.fYmin) ||
97 (fYmax != e.fYmax) || << 65 (fYmax != e.fYmax) ||
98 (fZmin != e.fZmin) || << 66 (fZmin != e.fZmin) ||
99 (fZmax != e.fZmax)); << 67 (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 } 68 }
142 69