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G4GDMLWriteDefine.cc
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27 // $Id: G4GDMLWriteDefine.cc 108895 2018-03-15 10:27:25Z gcosmo $
28 //
29 // class G4GDMLWriteDefine Implementation
30 //
31 // Original author: Zoltan Torzsok, November 2007
32 //
33 // --------------------------------------------------------------------
34 
35 #include "G4GDMLWriteDefine.hh"
36 #include "G4SystemOfUnits.hh"
37 
41 
43  : G4GDMLWrite(), defineElement(0)
44 {
45 }
46 
48 {
49 }
50 
52 {
53  G4double x,y,z;
54  G4RotationMatrix mat = mtx;
55  mat.rectify(); // Rectify matrix from possible roundoff errors
56 
57  // Direction of rotation given by left-hand rule; clockwise rotation
58 
59  static const G4double kMatrixPrecision = 10E-10;
60  const G4double cosb = std::sqrt(mtx.xx()*mtx.xx()+mtx.yx()*mtx.yx());
61 
62  if (cosb > kMatrixPrecision)
63  {
64  x = std::atan2(mtx.zy(),mtx.zz());
65  y = std::atan2(-mtx.zx(),cosb);
66  z = std::atan2(mtx.yx(),mtx.xx());
67  }
68  else
69  {
70  x = std::atan2(-mtx.yz(),mtx.yy());
71  y = std::atan2(-mtx.zx(),cosb);
72  z = 0.0;
73  }
74 
75  return G4ThreeVector(x,y,z);
76 }
77 
79 Scale_vectorWrite(xercesc::DOMElement* element, const G4String& tag,
80  const G4String& name, const G4ThreeVector& scl)
81 {
82  const G4double x = (std::fabs(scl.x()-1.0) < kRelativePrecision)
83  ? 1.0 : scl.x();
84  const G4double y = (std::fabs(scl.y()-1.0) < kRelativePrecision)
85  ? 1.0 : scl.y();
86  const G4double z = (std::fabs(scl.z()-1.0) < kRelativePrecision)
87  ? 1.0 : scl.z();
88 
89  xercesc::DOMElement* scaleElement = NewElement(tag);
90  scaleElement->setAttributeNode(NewAttribute("name",name));
91  scaleElement->setAttributeNode(NewAttribute("x",x));
92  scaleElement->setAttributeNode(NewAttribute("y",y));
93  scaleElement->setAttributeNode(NewAttribute("z",z));
94  element->appendChild(scaleElement);
95 }
96 
98 Rotation_vectorWrite(xercesc::DOMElement* element, const G4String& tag,
99  const G4String& name, const G4ThreeVector& rot)
100 {
101  const G4double x = (std::fabs(rot.x()) < kAngularPrecision) ? 0.0 : rot.x();
102  const G4double y = (std::fabs(rot.y()) < kAngularPrecision) ? 0.0 : rot.y();
103  const G4double z = (std::fabs(rot.z()) < kAngularPrecision) ? 0.0 : rot.z();
104 
105  xercesc::DOMElement* rotationElement = NewElement(tag);
106  rotationElement->setAttributeNode(NewAttribute("name",name));
107  rotationElement->setAttributeNode(NewAttribute("x",x/degree));
108  rotationElement->setAttributeNode(NewAttribute("y",y/degree));
109  rotationElement->setAttributeNode(NewAttribute("z",z/degree));
110  rotationElement->setAttributeNode(NewAttribute("unit","deg"));
111  element->appendChild(rotationElement);
112 }
113 
115 Position_vectorWrite(xercesc::DOMElement* element, const G4String& tag,
116  const G4String& name, const G4ThreeVector& pos)
117 {
118  const G4double x = (std::fabs(pos.x()) < kLinearPrecision) ? 0.0 : pos.x();
119  const G4double y = (std::fabs(pos.y()) < kLinearPrecision) ? 0.0 : pos.y();
120  const G4double z = (std::fabs(pos.z()) < kLinearPrecision) ? 0.0 : pos.z();
121 
122  xercesc::DOMElement* positionElement = NewElement(tag);
123  positionElement->setAttributeNode(NewAttribute("name",name));
124  positionElement->setAttributeNode(NewAttribute("x",x/mm));
125  positionElement->setAttributeNode(NewAttribute("y",y/mm));
126  positionElement->setAttributeNode(NewAttribute("z",z/mm));
127  positionElement->setAttributeNode(NewAttribute("unit","mm"));
128  element->appendChild(positionElement);
129 }
130 
131 void G4GDMLWriteDefine::DefineWrite(xercesc::DOMElement* element)
132 {
133 #ifdef G4VERBOSE
134  G4cout << "G4GDML: Writing definitions..." << G4endl;
135 #endif
136  defineElement = NewElement("define");
137  element->appendChild(defineElement);
138 }
Float_t x
Definition: compare.C:6
const XML_Char * name
Definition: expat.h:151
CLHEP::Hep3Vector G4ThreeVector
static const G4double pos
double yx() const
void Position_vectorWrite(xercesc::DOMElement *, const G4String &, const G4String &, const G4ThreeVector &)
static constexpr double mm
Definition: G4SIunits.hh:115
double zz() const
#define G4endl
Definition: G4ios.hh:61
Float_t y
Definition: compare.C:6
Double_t z
xercesc::DOMElement * NewElement(const G4String &)
Definition: G4GDMLWrite.cc:161
static const G4double kLinearPrecision
Definition: xmlparse.cc:187
double yz() const
double z() const
virtual ~G4GDMLWriteDefine()
void Scale_vectorWrite(xercesc::DOMElement *, const G4String &, const G4String &, const G4ThreeVector &)
G4ThreeVector GetAngles(const G4RotationMatrix &)
double zx() const
double G4double
Definition: G4Types.hh:76
static const G4double kAngularPrecision
double xx() const
xercesc::DOMElement * defineElement
void Rotation_vectorWrite(xercesc::DOMElement *, const G4String &, const G4String &, const G4ThreeVector &)
#define DBL_EPSILON
Definition: templates.hh:87
Float_t mat
double zy() const
double yy() const
static const G4double kRelativePrecision
static constexpr double degree
Definition: G4SIunits.hh:144
G4GLOB_DLL std::ostream G4cout
double x() const
xercesc::DOMAttr * NewAttribute(const G4String &, const G4String &)
Definition: G4GDMLWrite.cc:137
virtual void DefineWrite(xercesc::DOMElement *)
double y() const