Geant4-11
Public Types | Public Member Functions | Static Public Attributes | Protected Member Functions | Protected Attributes | Private Member Functions | Private Attributes
G4TwistBoxSide Class Reference

#include <G4TwistBoxSide.hh>

Inheritance diagram for G4TwistBoxSide:
G4VTwistSurface

Public Types

enum  EValidate { kDontValidate = 0 , kValidateWithTol = 1 , kValidateWithoutTol = 2 , kUninitialized = 3 }
 

Public Member Functions

virtual G4int AmIOnLeftSide (const G4ThreeVector &me, const G4ThreeVector &vec, G4bool withTol=true)
 
G4ThreeVector ComputeGlobalDirection (const G4ThreeVector &lp) const
 
G4ThreeVector ComputeGlobalPoint (const G4ThreeVector &lp) const
 
G4ThreeVector ComputeLocalDirection (const G4ThreeVector &gp) const
 
G4ThreeVector ComputeLocalPoint (const G4ThreeVector &gp) const
 
void DebugPrint () const
 
virtual G4double DistanceTo (const G4ThreeVector &gp, G4ThreeVector &gxx)
 
virtual G4double DistanceToBoundary (G4int areacode, G4ThreeVector &xx, const G4ThreeVector &p)
 
virtual G4double DistanceToIn (const G4ThreeVector &gp, const G4ThreeVector &gv, G4ThreeVector &gxxbest)
 
G4double DistanceToLine (const G4ThreeVector &p, const G4ThreeVector &x0, const G4ThreeVector &d, G4ThreeVector &xx)
 
virtual G4double DistanceToOut (const G4ThreeVector &gp, const G4ThreeVector &gv, G4ThreeVector &gxxbest)
 
G4double DistanceToPlane (const G4ThreeVector &p, const G4ThreeVector &x0, const G4ThreeVector &n0, G4ThreeVector &xx)
 
G4double DistanceToPlane (const G4ThreeVector &p, const G4ThreeVector &x0, const G4ThreeVector &t1, const G4ThreeVector &t2, G4ThreeVector &xx, G4ThreeVector &n)
 
G4double DistanceToPlaneWithV (const G4ThreeVector &p, const G4ThreeVector &v, const G4ThreeVector &x0, const G4ThreeVector &n0, G4ThreeVector &xx)
 
virtual G4int DistanceToSurface (const G4ThreeVector &gp, const G4ThreeVector &gv, G4ThreeVector gxx[], G4double distance[], G4int areacode[], G4bool isvalid[], EValidate validate=kValidateWithTol)
 
virtual G4int DistanceToSurface (const G4ThreeVector &gp, G4ThreeVector gxx[], G4double distance[], G4int areacode[])
 
 G4TwistBoxSide (__void__ &)
 
 G4TwistBoxSide (const G4String &name, G4double PhiTwist, G4double pDz, G4double pTheta, G4double pPhi, G4double pDy1, G4double pDx1, G4double pDx2, G4double pDy2, G4double pDx3, G4double pDx4, G4double pAlph, G4double AngleSide)
 
G4int GetAxisType (G4int areacode, G4int whichaxis) const
 
virtual G4ThreeVector GetBoundaryAtPZ (G4int areacode, const G4ThreeVector &p) const
 
virtual void GetBoundaryParameters (const G4int &areacode, G4ThreeVector &d, G4ThreeVector &x0, G4int &boundarytype) const
 
G4int GetEdgeVisibility (G4int i, G4int j, G4int m, G4int n, G4int number, G4int orientation)
 
G4int GetFace (G4int i, G4int j, G4int m, G4int n, G4int iside)
 
virtual G4String GetName () const
 
G4int GetNode (G4int i, G4int j, G4int m, G4int n, G4int iside)
 
virtual G4ThreeVector GetNormal (const G4ThreeVector &xx, G4bool isGlobal=false)
 
G4bool IsAxis0 (G4int areacode) const
 
G4bool IsAxis1 (G4int areacode) const
 
G4bool IsBoundary (G4int areacode, G4bool testbitmode=false) const
 
G4bool IsCorner (G4int areacode, G4bool testbitmode=false) const
 
G4bool IsInside (G4int areacode, G4bool testbitmode=false) const
 
G4bool IsOutside (G4int areacode) const
 
G4bool IsSameBoundary (G4VTwistSurface *surface1, G4int areacode1, G4VTwistSurface *surface2, G4int areacode2) const
 
G4bool IsValidNorm () const
 
void SetAxis (G4int i, const EAxis axis)
 
void SetNeighbours (G4VTwistSurface *ax0min, G4VTwistSurface *ax1min, G4VTwistSurface *ax0max, G4VTwistSurface *ax1max)
 
virtual ~G4TwistBoxSide ()
 

Static Public Attributes

static const G4int sAreaMask = 0XF0000000
 
static const G4int sAxis0 = 0x0000FF00
 
static const G4int sAxis1 = 0x000000FF
 
static const G4int sAxisMask = 0x0000FCFC
 
static const G4int sAxisMax = 0x00000202
 
static const G4int sAxisMin = 0x00000101
 
static const G4int sAxisPhi = 0x00001414
 
static const G4int sAxisRho = 0x00001010
 
static const G4int sAxisX = 0x00000404
 
static const G4int sAxisY = 0x00000808
 
static const G4int sAxisZ = 0x00000C0C
 
static const G4int sBoundary = 0x20000000
 
static const G4int sC0Max1Max = 0x40000202
 
static const G4int sC0Max1Min = 0x40000201
 
static const G4int sC0Min1Max = 0x40000102
 
static const G4int sC0Min1Min = 0x40000101
 
static const G4int sCorner = 0x40000000
 
static const G4int sInside = 0x10000000
 
static const G4int sOutside = 0x00000000
 
static const G4int sSizeMask = 0x00000303
 

Protected Member Functions

void GetBoundaryAxis (G4int areacode, EAxis axis[]) const
 
void GetBoundaryLimit (G4int areacode, G4double limit[]) const
 
G4ThreeVector GetCorner (G4int areacode) const
 
G4VTwistSurface ** GetNeighbours ()
 
G4int GetNeighbours (G4int areacode, G4VTwistSurface *surfaces[])
 
virtual void SetBoundary (const G4int &axiscode, const G4ThreeVector &direction, const G4ThreeVector &x0, const G4int &boundarytype)
 
void SetCorner (G4int areacode, G4double x, G4double y, G4double z)
 

Protected Attributes

EAxis fAxis [2]
 
G4double fAxisMax [2]
 
G4double fAxisMin [2]
 
G4SurfCurNormal fCurrentNormal
 
CurrentStatus fCurStat
 
CurrentStatus fCurStatWithV
 
G4int fHandedness
 
G4bool fIsValidNorm
 
G4RotationMatrix fRot
 
G4ThreeVector fTrans
 
G4double kCarTolerance
 

Private Member Functions

virtual G4int GetAreaCode (const G4ThreeVector &xx, G4bool withTol=true)
 
virtual G4double GetBoundaryMax (G4double phi)
 
virtual G4double GetBoundaryMin (G4double phi)
 
virtual void GetFacets (G4int m, G4int n, G4double xyz[][3], G4int faces[][4], G4int iside)
 
void GetPhiUAtX (G4ThreeVector p, G4double &phi, G4double &u)
 
virtual G4double GetSurfaceArea ()
 
G4double GetValueA (G4double phi)
 
G4double GetValueB (G4double phi)
 
G4ThreeVector NormAng (G4double phi, G4double u)
 
G4ThreeVector ProjectPoint (const G4ThreeVector &p, G4bool isglobal=false)
 
virtual void SetBoundaries ()
 
virtual void SetCorners ()
 
virtual G4ThreeVector SurfacePoint (G4double phi, G4double u, G4bool isGlobal=false)
 
G4double Xcoef (G4double u, G4double phi)
 

Private Attributes

G4double fa1md1
 
G4double fa2md2
 
G4double fAlph
 
G4SurfSideQuery fAmIOnLeftSide
 
G4double fAngleSide
 
Boundary fBoundaries [4]
 
G4ThreeVector fCorners [4]
 
G4double fdeltaX
 
G4double fdeltaY
 
G4double fDx1
 
G4double fDx2
 
G4double fDx3
 
G4double fDx3minus1
 
G4double fDx3plus1
 
G4double fDx4
 
G4double fDx4minus2
 
G4double fDx4plus2
 
G4double fDy1
 
G4double fDy2
 
G4double fDy2minus1
 
G4double fDy2plus1
 
G4double fDz
 
G4String fName
 
G4VTwistSurfacefNeighbours [4]
 
G4double fPhi
 
G4double fPhiTwist
 
G4double fTAlph
 
G4double fTheta
 

Detailed Description

Definition at line 41 of file G4TwistBoxSide.hh.

Member Enumeration Documentation

◆ EValidate

Enumerator
kDontValidate 
kValidateWithTol 
kValidateWithoutTol 
kUninitialized 

Definition at line 52 of file G4VTwistSurface.hh.

Constructor & Destructor Documentation

◆ G4TwistBoxSide() [1/2]

G4TwistBoxSide::G4TwistBoxSide ( const G4String name,
G4double  PhiTwist,
G4double  pDz,
G4double  pTheta,
G4double  pPhi,
G4double  pDy1,
G4double  pDx1,
G4double  pDx2,
G4double  pDy2,
G4double  pDx3,
G4double  pDx4,
G4double  pAlph,
G4double  AngleSide 
)

Definition at line 40 of file G4TwistBoxSide.cc.

54{
55
56
57 fAxis[0] = kYAxis; // in local coordinate system
58 fAxis[1] = kZAxis;
59 fAxisMin[0] = -kInfinity ; // Y Axis boundary
60 fAxisMax[0] = kInfinity ; // depends on z !!
61 fAxisMin[1] = -pDz ; // Z Axis boundary
62 fAxisMax[1] = pDz ;
63
64 fDx1 = pDx1 ;
65 fDx2 = pDx2 ; // box
66 fDx3 = pDx3 ;
67 fDx4 = pDx4 ; // box
68
69 // this is an overhead. But the parameter naming scheme fits to the other surfaces.
70
71 if ( ! (fDx1 == fDx2 && fDx3 == fDx4 ) )
72 {
73 std::ostringstream message;
74 message << "TwistedTrapBoxSide is not used as a the side of a box: "
75 << GetName() << G4endl
76 << " Not a box !";
77 G4Exception("G4TwistBoxSide::G4TwistBoxSide()", "GeomSolids0002",
78 FatalException, message);
79 }
80
81 fDy1 = pDy1 ;
82 fDy2 = pDy2 ;
83
84 fDz = pDz ;
85
86 fAlph = pAlph ;
87 fTAlph = std::tan(fAlph) ;
88
89 fTheta = pTheta ;
90 fPhi = pPhi ;
91
92 // precalculate frequently used parameters
93
94 fDx4plus2 = fDx4 + fDx2 ;
95 fDx4minus2 = fDx4 - fDx2 ;
96 fDx3plus1 = fDx3 + fDx1 ;
97 fDx3minus1 = fDx3 - fDx1 ;
98 fDy2plus1 = fDy2 + fDy1 ;
99 fDy2minus1 = fDy2 - fDy1 ;
100
101 fa1md1 = 2*fDx2 - 2*fDx1 ;
102 fa2md2 = 2*fDx4 - 2*fDx3 ;
103
104
105 fPhiTwist = PhiTwist ; // dphi
106 fAngleSide = AngleSide ; // 0,90,180,270 deg
107
108 fdeltaX = 2*fDz * std::tan(fTheta) * std::cos(fPhi); // dx in surface equation
109 fdeltaY = 2*fDz * std::tan(fTheta) * std::sin(fPhi); // dy in surface equation
110
111 fRot.rotateZ( AngleSide ) ;
112
113 fTrans.set(0, 0, 0); // No Translation
114 fIsValidNorm = false;
115
116 SetCorners();
118}
@ FatalException
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *description)
Definition: G4Exception.cc:35
#define G4endl
Definition: G4ios.hh:57
void set(double x, double y, double z)
HepRotation & rotateZ(double delta)
Definition: Rotation.cc:87
virtual void SetCorners()
virtual void SetBoundaries()
G4VTwistSurface(const G4String &name)
G4double fAxisMax[2]
G4RotationMatrix fRot
G4ThreeVector fTrans
G4double fAxisMin[2]
virtual G4String GetName() const
@ kYAxis
Definition: geomdefs.hh:56
@ kZAxis
Definition: geomdefs.hh:57
static const G4double kInfinity
Definition: geomdefs.hh:41
const char * name(G4int ptype)

References fa1md1, fa2md2, fAlph, fAngleSide, FatalException, G4VTwistSurface::fAxis, G4VTwistSurface::fAxisMax, G4VTwistSurface::fAxisMin, fdeltaX, fdeltaY, fDx1, fDx2, fDx3, fDx3minus1, fDx3plus1, fDx4, fDx4minus2, fDx4plus2, fDy1, fDy2, fDy2minus1, fDy2plus1, fDz, G4VTwistSurface::fIsValidNorm, fPhi, fPhiTwist, G4VTwistSurface::fRot, fTAlph, fTheta, G4VTwistSurface::fTrans, G4endl, G4Exception(), G4VTwistSurface::GetName(), kInfinity, kYAxis, kZAxis, CLHEP::HepRotation::rotateZ(), CLHEP::Hep3Vector::set(), SetBoundaries(), and SetCorners().

◆ ~G4TwistBoxSide()

G4TwistBoxSide::~G4TwistBoxSide ( )
virtual

Definition at line 137 of file G4TwistBoxSide.cc.

138{
139}

◆ G4TwistBoxSide() [2/2]

G4TwistBoxSide::G4TwistBoxSide ( __void__ &  a)

Definition at line 124 of file G4TwistBoxSide.cc.

125 : G4VTwistSurface(a), fTheta(0.), fPhi(0.), fDy1(0.), fDx1(0.), fDx2(0.),
126 fDy2(0.), fDx3(0.), fDx4(0.), fDz(0.), fAlph(0.), fTAlph(0.), fPhiTwist(0.),
127 fAngleSide(0.), fdeltaX(0.), fdeltaY(0.), fDx4plus2(0.), fDx4minus2(0.),
128 fDx3plus1(0.), fDx3minus1(0.), fDy2plus1(0.), fDy2minus1(0.), fa1md1(0.),
129 fa2md2(0.)
130{
131}

Member Function Documentation

◆ AmIOnLeftSide()

G4int G4VTwistSurface::AmIOnLeftSide ( const G4ThreeVector me,
const G4ThreeVector vec,
G4bool  withTol = true 
)
virtualinherited

Definition at line 147 of file G4VTwistSurface.cc.

150{
151 // AmIOnLeftSide returns phi-location of "me"
152 // (phi relation between me and vec projected on z=0 plane).
153 // If "me" is on -ve-phi-side of "vec", it returns 1.
154 // On the other hand, if "me" is on +ve-phi-side of "vec",
155 // it returns -1.
156 // (The return value represents z-coordinate of normal vector
157 // of me.cross(vec).)
158 // If me is on boundary of vec, return 0.
159
160 const G4double kAngTolerance
162
163 G4RotationMatrix unitrot;
164 const G4RotationMatrix rottol = unitrot.rotateZ(0.5*kAngTolerance);
165 const G4RotationMatrix invrottol = unitrot.rotateZ(-1.*kAngTolerance);
166
167 if (fAmIOnLeftSide.me == me
168 && fAmIOnLeftSide.vec == vec
169 && fAmIOnLeftSide.withTol == withtol)
170 {
172 }
173
174 fAmIOnLeftSide.me = me;
175 fAmIOnLeftSide.vec = vec;
176 fAmIOnLeftSide.withTol = withtol;
177
178 G4ThreeVector met = (G4ThreeVector(me.x(), me.y(), 0.)).unit();
179 G4ThreeVector vect = (G4ThreeVector(vec.x(), vec.y(), 0.)).unit();
180
181 G4ThreeVector ivect = invrottol * vect;
182 G4ThreeVector rvect = rottol * vect;
183
184 G4double metcrossvect = met.x() * vect.y() - met.y() * vect.x();
185
186 if (withtol)
187 {
188 if (met.x() * ivect.y() - met.y() * ivect.x() > 0 &&
189 metcrossvect >= 0) {
191 } else if (met.x() * rvect.y() - met.y() * rvect.x() < 0 &&
192 metcrossvect <= 0) {
194 } else {
196 }
197 }
198 else
199 {
200 if (metcrossvect > 0) {
202 } else if (metcrossvect < 0 ) {
204 } else {
206 }
207 }
208
209#ifdef G4TWISTDEBUG
210 G4cout << " === G4VTwistSurface::AmIOnLeftSide() =============="
211 << G4endl;
212 G4cout << " Name , returncode : " << fName << " "
214 G4cout << " me, vec : " << std::setprecision(14) << me
215 << " " << vec << G4endl;
216 G4cout << " met, vect : " << met << " " << vect << G4endl;
217 G4cout << " ivec, rvec : " << ivect << " " << rvect << G4endl;
218 G4cout << " met x vect : " << metcrossvect << G4endl;
219 G4cout << " met x ivec : " << met.cross(ivect) << G4endl;
220 G4cout << " met x rvec : " << met.cross(rvect) << G4endl;
221 G4cout << " =============================================="
222 << G4endl;
223#endif
224
226}
CLHEP::Hep3Vector G4ThreeVector
double G4double
Definition: G4Types.hh:83
G4GLOB_DLL std::ostream G4cout
double x() const
double y() const
Hep3Vector cross(const Hep3Vector &) const
static G4GeometryTolerance * GetInstance()
G4double GetAngularTolerance() const
G4SurfSideQuery fAmIOnLeftSide

References G4VTwistSurface::G4SurfSideQuery::amIOnLeftSide, CLHEP::Hep3Vector::cross(), G4VTwistSurface::fAmIOnLeftSide, G4VTwistSurface::fName, G4cout, G4endl, G4GeometryTolerance::GetAngularTolerance(), G4GeometryTolerance::GetInstance(), G4VTwistSurface::G4SurfSideQuery::me, CLHEP::HepRotation::rotateZ(), G4VTwistSurface::G4SurfSideQuery::vec, G4VTwistSurface::G4SurfSideQuery::withTol, CLHEP::Hep3Vector::x(), and CLHEP::Hep3Vector::y().

Referenced by G4TwistTubsSide::DistanceToSurface(), G4TwistTubsFlatSide::GetAreaCode(), and G4TwistTubsHypeSide::GetAreaCodeInPhi().

◆ ComputeGlobalDirection()

G4ThreeVector G4VTwistSurface::ComputeGlobalDirection ( const G4ThreeVector lp) const
inlineinherited

◆ ComputeGlobalPoint()

G4ThreeVector G4VTwistSurface::ComputeGlobalPoint ( const G4ThreeVector lp) const
inlineinherited

◆ ComputeLocalDirection()

G4ThreeVector G4VTwistSurface::ComputeLocalDirection ( const G4ThreeVector gp) const
inlineinherited

◆ ComputeLocalPoint()

G4ThreeVector G4VTwistSurface::ComputeLocalPoint ( const G4ThreeVector gp) const
inlineinherited

◆ DebugPrint()

void G4VTwistSurface::DebugPrint ( ) const
inherited

Definition at line 1139 of file G4VTwistSurface.cc.

1140{
1145
1146 G4cout << "/* G4VTwistSurface::DebugPrint():--------------------------"
1147 << G4endl;
1148 G4cout << "/* Name = " << fName << G4endl;
1149 G4cout << "/* Axis = " << std::hex << fAxis[0] << " "
1150 << std::hex << fAxis[1]
1151 << " (0,1,2,3,5 = kXAxis,kYAxis,kZAxis,kRho,kPhi)"
1152 << std::dec << G4endl;
1153 G4cout << "/* BoundaryLimit(in local) fAxis0(min, max) = ("<<fAxisMin[0]
1154 << ", " << fAxisMax[0] << ")" << G4endl;
1155 G4cout << "/* BoundaryLimit(in local) fAxis1(min, max) = ("<<fAxisMin[1]
1156 << ", " << fAxisMax[1] << ")" << G4endl;
1157 G4cout << "/* Cornar point sC0Min1Min = " << A << G4endl;
1158 G4cout << "/* Cornar point sC0Max1Min = " << B << G4endl;
1159 G4cout << "/* Cornar point sC0Max1Max = " << C << G4endl;
1160 G4cout << "/* Cornar point sC0Min1Max = " << D << G4endl;
1161 G4cout << "/*---------------------------------------------------------"
1162 << G4endl;
1163}
G4double C(G4double temp)
G4double B(G4double temperature)
G4double D(G4double temp)
const G4double A[17]
static const G4int sC0Min1Min
static const G4int sC0Min1Max
static const G4int sC0Max1Max
G4ThreeVector GetCorner(G4int areacode) const
static const G4int sC0Max1Min

References A, B(), C(), D(), G4VTwistSurface::fAxis, G4VTwistSurface::fAxisMax, G4VTwistSurface::fAxisMin, G4VTwistSurface::fName, G4VTwistSurface::fRot, G4VTwistSurface::fTrans, G4cout, G4endl, G4VTwistSurface::GetCorner(), G4VTwistSurface::sC0Max1Max, G4VTwistSurface::sC0Max1Min, G4VTwistSurface::sC0Min1Max, and G4VTwistSurface::sC0Min1Min.

◆ DistanceTo()

G4double G4VTwistSurface::DistanceTo ( const G4ThreeVector gp,
G4ThreeVector gxx 
)
virtualinherited

Definition at line 577 of file G4VTwistSurface.cc.

579{
580#ifdef G4TWISTDEBUG
581 G4cout << "~~~~~ G4VTwistSurface::DistanceTo(p) - Start ~~~~~~~~~" << G4endl;
582 G4cout << " Name : " << fName << G4endl;
583 G4cout << " gp : " << gp << G4endl;
584 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
585#endif
586
587
589 G4double distance[G4VSURFACENXX] ;
590 G4int areacode[G4VSURFACENXX] ;
591
592 for (G4int i = 0 ; i<G4VSURFACENXX ; ++i )
593 {
594 distance[i] = kInfinity ;
595 areacode[i] = sOutside ;
596 }
597
598 DistanceToSurface(gp, gxx, distance, areacode);
599 gxxbest = gxx[0];
600
601#ifdef G4TWISTDEBUG
602 G4cout << "~~~~~ G4VTwistSurface::DistanceTo(p) - return ~~~~~~~~" << G4endl;
603 G4cout << " Name : " << fName << G4endl;
604 G4cout << " gxx : " << gxxbest << G4endl;
605 G4cout << " bestdist : " << distance[0] << G4endl;
606 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
607#endif
608
609 return distance[0];
610}
int G4int
Definition: G4Types.hh:85
#define G4VSURFACENXX
static const G4int sOutside
virtual G4int DistanceToSurface(const G4ThreeVector &gp, const G4ThreeVector &gv, G4ThreeVector gxx[], G4double distance[], G4int areacode[], G4bool isvalid[], EValidate validate=kValidateWithTol)=0

References G4VTwistSurface::DistanceToSurface(), G4VTwistSurface::fName, G4cout, G4endl, G4VSURFACENXX, kInfinity, and G4VTwistSurface::sOutside.

Referenced by G4TwistedTubs::DistanceToIn(), G4VTwistedFaceted::DistanceToIn(), G4TwistedTubs::DistanceToOut(), G4VTwistedFaceted::DistanceToOut(), G4TwistedTubs::SurfaceNormal(), and G4VTwistedFaceted::SurfaceNormal().

◆ DistanceToBoundary()

G4double G4VTwistSurface::DistanceToBoundary ( G4int  areacode,
G4ThreeVector xx,
const G4ThreeVector p 
)
virtualinherited

Definition at line 231 of file G4VTwistSurface.cc.

234{
235 // DistanceToBoundary
236 //
237 // return distance to nearest boundary from arbitrary point p
238 // in local coodinate.
239 // Argument areacode must be one of them:
240 // sAxis0 & sAxisMin, sAxis0 & sAxisMax,
241 // sAxis1 & sAxisMin, sAxis1 & sAxisMax.
242 //
243
244 G4ThreeVector d; // direction vector of the boundary
245 G4ThreeVector x0; // reference point of the boundary
246 G4double dist = kInfinity;
247 G4int boundarytype;
248
249 if (IsAxis0(areacode) && IsAxis1(areacode))
250 {
251 std::ostringstream message;
252 message << "Point is in the corner area." << G4endl
253 << " Point is in the corner area. This function returns"
254 << G4endl
255 << " a direction vector of a boundary line." << G4endl
256 << " areacode = " << areacode;
257 G4Exception("G4VTwistSurface::DistanceToBoundary()", "GeomSolids0003",
258 FatalException, message);
259 }
260 else if (IsAxis0(areacode) || IsAxis1(areacode))
261 {
262 GetBoundaryParameters(areacode, d, x0, boundarytype);
263 if (boundarytype == sAxisPhi)
264 {
265 G4double t = x0.getRho() / p.getRho();
266 xx.set(t*p.x(), t*p.y(), x0.z());
267 dist = (xx - p).mag();
268 }
269 else
270 {
271 // linear boundary
272 // sAxisX, sAxisY, sAxisZ, sAxisRho
273 dist = DistanceToLine(p, x0, d, xx);
274 }
275 }
276 else
277 {
278 std::ostringstream message;
279 message << "Bad areacode of boundary." << G4endl
280 << " areacode = " << areacode;
281 G4Exception("G4VTwistSurface::DistanceToBoundary()", "GeomSolids0003",
282 FatalException, message);
283 }
284 return dist;
285}
double z() const
double getRho() const
G4bool IsAxis1(G4int areacode) const
G4bool IsAxis0(G4int areacode) const
G4double DistanceToLine(const G4ThreeVector &p, const G4ThreeVector &x0, const G4ThreeVector &d, G4ThreeVector &xx)
static const G4int sAxisPhi
virtual void GetBoundaryParameters(const G4int &areacode, G4ThreeVector &d, G4ThreeVector &x0, G4int &boundarytype) const

References G4VTwistSurface::DistanceToLine(), FatalException, G4endl, G4Exception(), G4VTwistSurface::GetBoundaryParameters(), CLHEP::Hep3Vector::getRho(), G4VTwistSurface::IsAxis0(), G4VTwistSurface::IsAxis1(), kInfinity, G4VTwistSurface::sAxisPhi, CLHEP::Hep3Vector::set(), CLHEP::Hep3Vector::x(), CLHEP::Hep3Vector::y(), and CLHEP::Hep3Vector::z().

Referenced by G4TwistTubsSide::DistanceToSurface().

◆ DistanceToIn()

G4double G4VTwistSurface::DistanceToIn ( const G4ThreeVector gp,
const G4ThreeVector gv,
G4ThreeVector gxxbest 
)
virtualinherited

Definition at line 290 of file G4VTwistSurface.cc.

293{
294#ifdef G4TWISTDEBUG
295 G4cout << " ~~~~ G4VTwistSurface::DistanceToIn(p,v) - Start ~~~~" << G4endl;
296 G4cout << " Name : " << fName << G4endl;
297 G4cout << " gp : " << gp << G4endl;
298 G4cout << " gv : " << gv << G4endl;
299 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
300#endif
301
303 G4double distance[G4VSURFACENXX] ;
304 G4int areacode[G4VSURFACENXX] ;
305 G4bool isvalid[G4VSURFACENXX] ;
306
307 for (G4int i = 0 ; i<G4VSURFACENXX ; ++i )
308 {
309 distance[i] = kInfinity ;
310 areacode[i] = sOutside ;
311 isvalid[i] = false ;
312 }
313
314 G4double bestdistance = kInfinity;
315#ifdef G4TWISTDEBUG
316 G4int besti = -1;
317#endif
319
320 G4int nxx = DistanceToSurface(gp, gv, gxx, distance, areacode,
321 isvalid, kValidateWithTol);
322
323 for (G4int i=0; i<nxx; ++i)
324 {
325
326 // skip this intersection if:
327 // - invalid intersection
328 // - particle goes outword the surface
329
330 if (!isvalid[i])
331 {
332 // xx[i] is sOutside or distance[i] < 0
333 continue;
334 }
335
336 G4ThreeVector normal = GetNormal(gxx[i], true);
337
338 if ((normal * gv) >= 0)
339 {
340
341#ifdef G4TWISTDEBUG
342 G4cout << " G4VTwistSurface::DistanceToIn(p,v): "
343 << "particle goes outword the surface." << G4endl;
344#endif
345 continue;
346 }
347
348 //
349 // accept this intersection if the intersection is inside.
350 //
351
352 if (IsInside(areacode[i]))
353 {
354 if (distance[i] < bestdistance)
355 {
356 bestdistance = distance[i];
357 bestgxx = gxx[i];
358#ifdef G4TWISTDEBUG
359 besti = i;
360 G4cout << " G4VTwistSurface::DistanceToIn(p,v): "
361 << " areacode sInside name, distance = "
362 << fName << " "<< bestdistance << G4endl;
363#endif
364 }
365
366 //
367 // else, the intersection is on boundary or corner.
368 //
369
370 }
371 else
372 {
373 G4VTwistSurface* neighbours[2];
374 G4bool isaccepted[2] = {false, false};
375 G4int nneighbours = GetNeighbours(areacode[i], neighbours);
376
377 for (G4int j=0; j<nneighbours; ++j)
378 {
379 // if on corner, nneighbours = 2.
380 // if on boundary, nneighbours = 1.
381
383 G4double tmpdist[G4VSURFACENXX] ;
384 G4int tmpareacode[G4VSURFACENXX] ;
385 G4bool tmpisvalid[G4VSURFACENXX] ;
386
387 for (G4int l = 0 ; l<G4VSURFACENXX ; ++l )
388 {
389 tmpdist[l] = kInfinity ;
390 tmpareacode[l] = sOutside ;
391 tmpisvalid[l] = false ;
392 }
393
394 G4int tmpnxx = neighbours[j]->DistanceToSurface(
395 gp, gv, tmpgxx, tmpdist,
396 tmpareacode, tmpisvalid,
398 G4ThreeVector neighbournormal;
399
400 for (G4int k=0; k< tmpnxx; ++k)
401 {
402 //
403 // if tmpxx[k] is valid && sInside, the final winner must
404 // be neighbour surface. return kInfinity.
405 // else , choose tmpxx on same boundary of xx, then check normal
406 //
407
408 if (IsInside(tmpareacode[k]))
409 {
410#ifdef G4TWISTDEBUG
411 G4cout << " G4VTwistSurface:DistanceToIn(p,v): "
412 << " intersection "<< tmpgxx[k] << G4endl
413 << " is inside of neighbour surface of " << fName
414 << " . returning kInfinity." << G4endl;
415 G4cout << "~~ G4VTwistSurface::DistanceToIn(p,v) - return ~~"
416 << G4endl;
417 G4cout << " No intersections " << G4endl;
418 G4cout << " Name : " << fName << G4endl;
419 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
420 << G4endl;
421#endif
422 if (tmpisvalid[k]) return kInfinity;
423 continue;
424
425 //
426 // if tmpxx[k] is valid && sInside, the final winner must
427 // be neighbour surface. return .
428 //
429
430 }
431 else if (IsSameBoundary(this,areacode[i],
432 neighbours[j], tmpareacode[k]))
433 {
434 // tmpxx[k] is same boundary (or corner) of xx.
435
436 neighbournormal = neighbours[j]->GetNormal(tmpgxx[k], true);
437 if (neighbournormal * gv < 0) isaccepted[j] = true;
438 }
439 }
440
441 // if nneighbours = 1, chabge isaccepted[1] before
442 // exiting neighboursurface loop.
443
444 if (nneighbours == 1) isaccepted[1] = true;
445
446 } // neighboursurface loop end
447
448 // now, we can accept xx intersection
449
450 if (isaccepted[0] == true && isaccepted[1] == true)
451 {
452 if (distance[i] < bestdistance)
453 {
454 bestdistance = distance[i];
455 gxxbest = gxx[i];
456#ifdef G4TWISTDEBUG
457 besti = i;
458 G4cout << " G4VTwistSurface::DistanceToIn(p,v): "
459 << " areacode sBoundary & sBoundary distance = "
460 << fName << " " << distance[i] << G4endl;
461#endif
462 }
463 }
464 } // else end
465 } // intersection loop end
466
467 gxxbest = bestgxx;
468
469#ifdef G4TWISTDEBUG
470 if (besti < 0)
471 {
472 G4cout << "~~~ G4VTwistSurface::DistanceToIn(p,v) - return ~~~" << G4endl;
473 G4cout << " No intersections " << G4endl;
474 G4cout << " Name : " << fName << G4endl;
475 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
476 }
477 else
478 {
479 G4cout << "~~~ G4VTwistSurface::DistanceToIn(p,v) : return ~~~" << G4endl;
480 G4cout << " Name, i : " << fName << " , " << besti << G4endl;
481 G4cout << " gxx[i] : " << gxxbest << G4endl;
482 G4cout << " bestdist : " << bestdistance << G4endl;
483 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
484 }
485
486#endif
487
488 return bestdistance;
489}
bool G4bool
Definition: G4Types.hh:86
G4VTwistSurface ** GetNeighbours()
G4bool IsInside(G4int areacode, G4bool testbitmode=false) const
G4bool IsSameBoundary(G4VTwistSurface *surface1, G4int areacode1, G4VTwistSurface *surface2, G4int areacode2) const
virtual G4ThreeVector GetNormal(const G4ThreeVector &xx, G4bool isGlobal)=0
static double normal(HepRandomEngine *eptr)
Definition: RandPoisson.cc:79

References G4VTwistSurface::DistanceToSurface(), G4VTwistSurface::fName, G4cout, G4endl, G4VSURFACENXX, G4VTwistSurface::GetNeighbours(), G4VTwistSurface::GetNormal(), G4VTwistSurface::IsInside(), G4VTwistSurface::IsSameBoundary(), kInfinity, G4VTwistSurface::kValidateWithTol, CLHEP::normal(), and G4VTwistSurface::sOutside.

Referenced by G4TwistedTubs::DistanceToIn(), and G4VTwistedFaceted::DistanceToIn().

◆ DistanceToLine()

G4double G4VTwistSurface::DistanceToLine ( const G4ThreeVector p,
const G4ThreeVector x0,
const G4ThreeVector d,
G4ThreeVector xx 
)
inlineinherited

◆ DistanceToOut()

G4double G4VTwistSurface::DistanceToOut ( const G4ThreeVector gp,
const G4ThreeVector gv,
G4ThreeVector gxxbest 
)
virtualinherited

Definition at line 494 of file G4VTwistSurface.cc.

497{
498#ifdef G4TWISTDEBUG
499 G4cout << "~~~~~ G4VTwistSurface::DistanceToOut(p,v) - Start ~~~~" << G4endl;
500 G4cout << " Name : " << fName << G4endl;
501 G4cout << " gp : " << gp << G4endl;
502 G4cout << " gv : " << gv << G4endl;
503 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
504#endif
505
507 G4double distance[G4VSURFACENXX];
508 G4int areacode[G4VSURFACENXX];
509 G4bool isvalid[G4VSURFACENXX];
510
511 for ( G4int i = 0 ; i<G4VSURFACENXX ; ++i )
512 {
513 distance[i] = kInfinity ;
514 areacode[i] = sOutside ;
515 isvalid[i] = false ;
516 }
517
518 G4int nxx;
519 G4double bestdistance = kInfinity;
520
521 nxx = DistanceToSurface(gp, gv, gxx, distance, areacode,
522 isvalid, kValidateWithTol);
523
524 for (G4int i=0; i<nxx; ++i)
525 {
526 if (!(isvalid[i]))
527 {
528 continue;
529 }
530
531 G4ThreeVector normal = GetNormal(gxx[i], true);
532 if (normal * gv <= 0)
533 {
534 // particle goes toword inside of solid, return kInfinity
535#ifdef G4TWISTDEBUG
536 G4cout << " G4VTwistSurface::DistanceToOut(p,v): normal*gv < 0 "
537 << fName << " " << normal
538 << G4endl;
539#endif
540 }
541 else
542 {
543 // gxx[i] is accepted.
544 if (distance[i] < bestdistance)
545 {
546 bestdistance = distance[i];
547 gxxbest = gxx[i];
548 }
549 }
550 }
551
552#ifdef G4TWISTDEBUG
553 if (besti < 0)
554 {
555 G4cout << "~~ G4VTwistSurface::DistanceToOut(p,v) - return ~~" << G4endl;
556 G4cout << " No intersections " << G4endl;
557 G4cout << " Name : " << fName << G4endl;
558 G4cout << " bestdist : " << bestdistance << G4endl;
559 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
560 }
561 else
562 {
563 G4cout << "~~ G4VTwistSurface::DistanceToOut(p,v) : return ~~" << G4endl;
564 G4cout << " Name, i : " << fName << " , " << i << G4endl;
565 G4cout << " gxx[i] : " << gxxbest << G4endl;
566 G4cout << " bestdist : " << bestdistance << G4endl;
567 G4cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << G4endl;
568 }
569#endif
570
571 return bestdistance;
572}

References G4VTwistSurface::DistanceToSurface(), G4VTwistSurface::fName, G4cout, G4endl, G4VSURFACENXX, G4VTwistSurface::GetNormal(), kInfinity, G4VTwistSurface::kValidateWithTol, CLHEP::normal(), and G4VTwistSurface::sOutside.

Referenced by G4TwistedTubs::DistanceToOut(), and G4VTwistedFaceted::DistanceToOut().

◆ DistanceToPlane() [1/2]

G4double G4VTwistSurface::DistanceToPlane ( const G4ThreeVector p,
const G4ThreeVector x0,
const G4ThreeVector n0,
G4ThreeVector xx 
)
inlineinherited

◆ DistanceToPlane() [2/2]

G4double G4VTwistSurface::DistanceToPlane ( const G4ThreeVector p,
const G4ThreeVector x0,
const G4ThreeVector t1,
const G4ThreeVector t2,
G4ThreeVector xx,
G4ThreeVector n 
)
inlineinherited

◆ DistanceToPlaneWithV()

G4double G4VTwistSurface::DistanceToPlaneWithV ( const G4ThreeVector p,
const G4ThreeVector v,
const G4ThreeVector x0,
const G4ThreeVector n0,
G4ThreeVector xx 
)
inlineinherited

◆ DistanceToSurface() [1/2]

G4int G4TwistBoxSide::DistanceToSurface ( const G4ThreeVector gp,
const G4ThreeVector gv,
G4ThreeVector  gxx[],
G4double  distance[],
G4int  areacode[],
G4bool  isvalid[],
EValidate  validate = kValidateWithTol 
)
virtual

Implements G4VTwistSurface.

Definition at line 198 of file G4TwistBoxSide.cc.

205{
206
207 static const G4double pihalf = pi/2 ;
208 const G4double ctol = 0.5 * kCarTolerance;
209
210 G4bool IsParallel = false ;
211 G4bool IsConverged = false ;
212
213 G4int nxx = 0 ; // number of physical solutions
214
215 fCurStatWithV.ResetfDone(validate, &gp, &gv);
216
217 if (fCurStatWithV.IsDone())
218 {
219 for (G4int i=0; i<fCurStatWithV.GetNXX(); ++i)
220 {
221 gxx[i] = fCurStatWithV.GetXX(i);
222 distance[i] = fCurStatWithV.GetDistance(i);
223 areacode[i] = fCurStatWithV.GetAreacode(i);
224 isvalid[i] = fCurStatWithV.IsValid(i);
225 }
226 return fCurStatWithV.GetNXX();
227 }
228 else // initialize
229 {
230 for (G4int i=0; i<G4VSURFACENXX ; ++i)
231 {
232 distance[i] = kInfinity;
233 areacode[i] = sOutside;
234 isvalid[i] = false;
236 }
237 }
238
241
242#ifdef G4TWISTDEBUG
243 G4cout << "Local point p = " << p << G4endl ;
244 G4cout << "Local direction v = " << v << G4endl ;
245#endif
246
247 G4double phi=0.,u=0.,q=0.; // parameters
248
249 // temporary variables
250
251 G4double tmpdist = kInfinity ;
252 G4ThreeVector tmpxx;
253 G4int tmpareacode = sOutside ;
254 G4bool tmpisvalid = false ;
255
256 std::vector<Intersection> xbuf ;
257 Intersection xbuftmp ;
258
259 // prepare some variables for the intersection finder
260
261 G4double L = 2*fDz ;
262
263 G4double phixz = fPhiTwist * ( p.x() * v.z() - p.z() * v.x() ) ;
264 G4double phiyz = fPhiTwist * ( p.y() * v.z() - p.z() * v.y() ) ;
265
266 // special case vz = 0
267
268 if ( v.z() == 0. )
269 {
270 if ( (std::fabs(p.z()) <= L) && fPhiTwist ) // intersection possible in z
271 {
272 phi = p.z() * fPhiTwist / L ; // phi is determined by the z-position
273
274 q = (2.* fPhiTwist*((v.x() - fTAlph*v.y())*std::cos(phi)
275 + (fTAlph*v.x() + v.y())*std::sin(phi)));
276
277 if (q)
278 {
279 u = (2*(-(fdeltaY*phi*v.x()) + fPhiTwist*p.y()*v.x()
280 + fdeltaX*phi*v.y() - fPhiTwist*p.x()*v.y())
281 + (fDx4plus2*fPhiTwist + 2*fDx4minus2*phi)
282 * (v.y()*std::cos(phi) - v.x()*std::sin(phi))) / q;
283 }
284 xbuftmp.phi = phi ;
285 xbuftmp.u = u ;
286 xbuftmp.areacode = sOutside ;
287 xbuftmp.distance = kInfinity ;
288 xbuftmp.isvalid = false ;
289
290 xbuf.push_back(xbuftmp) ; // store it to xbuf
291 }
292 else // no intersection possible
293 {
294 distance[0] = kInfinity;
296 isvalid[0] = false ;
297 areacode[0] = sOutside ;
298 fCurStatWithV.SetCurrentStatus(0, gxx[0], distance[0],
299 areacode[0], isvalid[0],
300 0, validate, &gp, &gv);
301
302 return 0;
303 } // end std::fabs(p.z() <= L
304 } // end v.z() == 0
305 else // general solution for non-zero vz
306 {
307 G4double c[8],srd[7],si[7] ;
308
309 c[7] = -14400*(-2*phixz + 2*fTAlph*phiyz + fDx4plus2*fPhiTwist*v.z()) ;
310 c[6] = 28800*(phiyz + 2*fDz*v.x() - (fdeltaX + fDx4minus2)*v.z() + fTAlph*(phixz - 2*fDz*v.y() + fdeltaY*v.z())) ;
311 c[5] = -1200*(10*phixz - 48*fDz*v.y() + 24*fdeltaY*v.z() + fDx4plus2*fPhiTwist*v.z() - 2*fTAlph*(5*phiyz + 24*fDz*v.x() - 12*fdeltaX*v.z())) ;
312 c[4] = -2400*(phiyz + 10*fDz*v.x() - 5*fdeltaX*v.z() + fDx4minus2*v.z() + fTAlph*(phixz - 10*fDz*v.y() + 5*fdeltaY*v.z())) ;
313 c[3] = 24*(2*phixz - 200*fDz*v.y() + 100*fdeltaY*v.z() - fDx4plus2*fPhiTwist*v.z() - 2*fTAlph*(phiyz + 100*fDz*v.x() - 50*fdeltaX*v.z())) ;
314 c[2] = -16*(7*fTAlph* phixz + 7*phiyz - 6*fDz*v.x() + 6*fDz*fTAlph*v.y() + 3*(fdeltaX + fDx4minus2 - fdeltaY*fTAlph)*v.z()) ;
315 c[1] = 4*(9*phixz - 9*fTAlph*phiyz - 56*fDz*fTAlph*v.x() - 56*fDz*v.y() + 28*(fdeltaY + fdeltaX*fTAlph)*v.z()) ;
316 c[0] = 36*(2* fDz*(v.x() - fTAlph*v.y()) - fdeltaX*v.z() + fdeltaY*fTAlph*v.z()) ;
317
318#ifdef G4TWISTDEBUG
319 G4cout << "coef = " << c[0] << " "
320 << c[1] << " "
321 << c[2] << " "
322 << c[3] << " "
323 << c[4] << " "
324 << c[5] << " "
325 << c[6] << " "
326 << c[7] << G4endl ;
327#endif
328
329 G4JTPolynomialSolver trapEq ;
330 G4int num = trapEq.FindRoots(c,7,srd,si);
331
332 for (G4int i = 0 ; i<num ; ++i ) // loop over all mathematical solutions
333 {
334 if ( (si[i]==0.0) && fPhiTwist ) // only real solutions
335 {
336#ifdef G4TWISTDEBUG
337 G4cout << "Solution " << i << " : " << srd[i] << G4endl ;
338#endif
339 phi = std::fmod(srd[i], pihalf) ;
340
341 u = (2*phiyz + 4*fDz*phi*v.y() - 2*fdeltaY*phi*v.z()
342 - fDx4plus2*fPhiTwist*v.z()*std::sin(phi)
343 - 2*fDx4minus2*phi*v.z()*std::sin(phi))
344 /(2*fPhiTwist*v.z()*std::cos(phi)
345 + 2*fPhiTwist*fTAlph*v.z()*std::sin(phi)) ;
346
347 xbuftmp.phi = phi ;
348 xbuftmp.u = u ;
349 xbuftmp.areacode = sOutside ;
350 xbuftmp.distance = kInfinity ;
351 xbuftmp.isvalid = false ;
352
353 xbuf.push_back(xbuftmp) ; // store it to xbuf
354
355#ifdef G4TWISTDEBUG
356 G4cout << "solution " << i << " = " << phi << " , " << u << G4endl ;
357#endif
358 } // end if real solution
359 } // end loop i
360 } // end general case
361
362
363 nxx = xbuf.size() ; // save the number of solutions
364
365 G4ThreeVector xxonsurface ; // point on surface
366 G4ThreeVector surfacenormal ; // normal vector
367 G4double deltaX ; // distance between intersection point and
368 // point on surface
369 G4double theta ; // angle between track and surfacenormal
370 G4double factor ; // a scaling factor
371 G4int maxint = 30 ; // number of iterations
372
373
374 for ( size_t k = 0 ; k<xbuf.size() ; ++k )
375 {
376#ifdef G4TWISTDEBUG
377 G4cout << "Solution " << k << " : "
378 << "reconstructed phiR = " << xbuf[k].phi
379 << ", uR = " << xbuf[k].u << G4endl ;
380#endif
381
382 phi = xbuf[k].phi ; // get the stored values for phi and u
383 u = xbuf[k].u ;
384
385 IsConverged = false ; // no convergence at the beginning
386
387 for ( G4int i = 1 ; i<maxint ; ++i )
388 {
389 xxonsurface = SurfacePoint(phi,u) ;
390 surfacenormal = NormAng(phi,u) ;
391 tmpdist = DistanceToPlaneWithV(p, v, xxonsurface, surfacenormal, tmpxx);
392 deltaX = ( tmpxx - xxonsurface ).mag() ;
393 theta = std::fabs(std::acos(v*surfacenormal) - pihalf) ;
394 if ( theta < 0.001 )
395 {
396 factor = 50 ;
397 IsParallel = true ;
398 }
399 else
400 {
401 factor = 1 ;
402 }
403
404#ifdef G4TWISTDEBUG
405 G4cout << "Step i = " << i << ", distance = " << tmpdist << ", " << deltaX << G4endl ;
406 G4cout << "X = " << tmpxx << G4endl ;
407#endif
408
409 GetPhiUAtX(tmpxx, phi, u) ; // the new point xx is accepted and phi/u replaced
410
411#ifdef G4TWISTDEBUG
412 G4cout << "approximated phi = " << phi << ", u = " << u << G4endl ;
413#endif
414
415 if ( deltaX <= factor*ctol ) { IsConverged = true ; break ; }
416
417 } // end iterative loop (i)
418
419 if ( std::fabs(tmpdist)<ctol ) tmpdist = 0. ;
420
421#ifdef G4TWISTDEBUG
422 G4cout << "refined solution " << phi << " , " << u << G4endl ;
423 G4cout << "distance = " << tmpdist << G4endl ;
424 G4cout << "local X = " << tmpxx << G4endl ;
425#endif
426
427 tmpisvalid = false ; // init
428
429 if ( IsConverged )
430 {
431 if (validate == kValidateWithTol)
432 {
433 tmpareacode = GetAreaCode(tmpxx);
434 if (!IsOutside(tmpareacode))
435 {
436 if (tmpdist >= 0) tmpisvalid = true;
437 }
438 }
439 else if (validate == kValidateWithoutTol)
440 {
441 tmpareacode = GetAreaCode(tmpxx, false);
442 if (IsInside(tmpareacode))
443 {
444 if (tmpdist >= 0) tmpisvalid = true;
445 }
446 }
447 else // kDontValidate
448 {
449 G4Exception("G4TwistBoxSide::DistanceToSurface()",
450 "GeomSolids0001", FatalException,
451 "Feature NOT implemented !");
452 }
453 }
454 else
455 {
456 tmpdist = kInfinity; // no convergence after 10 steps
457 tmpisvalid = false ; // solution is not vaild
458 }
459
460 // store the found values
461 xbuf[k].xx = tmpxx ;
462 xbuf[k].distance = tmpdist ;
463 xbuf[k].areacode = tmpareacode ;
464 xbuf[k].isvalid = tmpisvalid ;
465
466 } // end loop over physical solutions (variable k)
467
468 std::sort(xbuf.begin() , xbuf.end(), DistanceSort ) ; // sorting
469
470#ifdef G4TWISTDEBUG
471 G4cout << G4endl << "list xbuf after sorting : " << G4endl ;
472 G4cout << G4endl << G4endl ;
473#endif
474
475 // erase identical intersection (within kCarTolerance)
476 xbuf.erase(std::unique(xbuf.begin(),xbuf.end(),EqualIntersection),xbuf.end());
477
478 // add guesses
479
480 G4int nxxtmp = xbuf.size() ;
481
482 if ( nxxtmp<2 || IsParallel )
483 {
484 // positive end
485#ifdef G4TWISTDEBUG
486 G4cout << "add guess at +z/2 .. " << G4endl ;
487#endif
488
489 phi = fPhiTwist/2 ;
490 u = 0. ;
491 xbuftmp.phi = phi ;
492 xbuftmp.u = u ;
493 xbuftmp.areacode = sOutside ;
494 xbuftmp.distance = kInfinity ;
495 xbuftmp.isvalid = false ;
496
497 xbuf.push_back(xbuftmp) ; // store it to xbuf
498
499#ifdef G4TWISTDEBUG
500 G4cout << "add guess at -z/2 .. " << G4endl ;
501#endif
502
503 phi = -fPhiTwist/2 ;
504 u = 0. ;
505
506 xbuftmp.phi = phi ;
507 xbuftmp.u = u ;
508 xbuftmp.areacode = sOutside ;
509 xbuftmp.distance = kInfinity ;
510 xbuftmp.isvalid = false ;
511
512 xbuf.push_back(xbuftmp) ; // store it to xbuf
513
514 for ( size_t k = nxxtmp ; k<xbuf.size() ; ++k )
515 {
516#ifdef G4TWISTDEBUG
517 G4cout << "Solution " << k << " : "
518 << "reconstructed phiR = " << xbuf[k].phi
519 << ", uR = " << xbuf[k].u << G4endl ;
520#endif
521
522 phi = xbuf[k].phi ; // get the stored values for phi and u
523 u = xbuf[k].u ;
524
525 IsConverged = false ; // no convergence at the beginning
526
527 for ( G4int i = 1 ; i<maxint ; ++i )
528 {
529 xxonsurface = SurfacePoint(phi,u) ;
530 surfacenormal = NormAng(phi,u) ;
531 tmpdist = DistanceToPlaneWithV(p, v, xxonsurface, surfacenormal, tmpxx);
532 deltaX = ( tmpxx - xxonsurface ).mag() ;
533 theta = std::fabs(std::acos(v*surfacenormal) - pihalf) ;
534 if ( theta < 0.001 )
535 {
536 factor = 50 ;
537 }
538 else
539 {
540 factor = 1 ;
541 }
542
543#ifdef G4TWISTDEBUG
544 G4cout << "Step i = " << i << ", distance = "
545 << tmpdist << ", " << deltaX << G4endl ;
546 G4cout << "X = " << tmpxx << G4endl ;
547#endif
548
549 GetPhiUAtX(tmpxx, phi, u) ;
550 // the new point xx is accepted and phi/u replaced
551
552#ifdef G4TWISTDEBUG
553 G4cout << "approximated phi = " << phi << ", u = " << u << G4endl ;
554#endif
555
556 if ( deltaX <= factor*ctol ) { IsConverged = true ; break ; }
557
558 } // end iterative loop (i)
559
560 if ( std::fabs(tmpdist)<ctol ) tmpdist = 0. ;
561
562#ifdef G4TWISTDEBUG
563 G4cout << "refined solution " << phi << " , " << u << G4endl ;
564 G4cout << "distance = " << tmpdist << G4endl ;
565 G4cout << "local X = " << tmpxx << G4endl ;
566#endif
567
568 tmpisvalid = false ; // init
569
570 if ( IsConverged )
571 {
572 if (validate == kValidateWithTol)
573 {
574 tmpareacode = GetAreaCode(tmpxx);
575 if (!IsOutside(tmpareacode))
576 {
577 if (tmpdist >= 0) tmpisvalid = true;
578 }
579 }
580 else if (validate == kValidateWithoutTol)
581 {
582 tmpareacode = GetAreaCode(tmpxx, false);
583 if (IsInside(tmpareacode))
584 {
585 if (tmpdist >= 0) tmpisvalid = true;
586 }
587 }
588 else // kDontValidate
589 {
590 G4Exception("G4TwistedBoxSide::DistanceToSurface()",
591 "GeomSolids0001", FatalException,
592 "Feature NOT implemented !");
593 }
594 }
595 else
596 {
597 tmpdist = kInfinity; // no convergence after 10 steps
598 tmpisvalid = false ; // solution is not vaild
599 }
600
601 // store the found values
602 xbuf[k].xx = tmpxx ;
603 xbuf[k].distance = tmpdist ;
604 xbuf[k].areacode = tmpareacode ;
605 xbuf[k].isvalid = tmpisvalid ;
606 } // end loop over physical solutions
607 } // end less than 2 solutions
608
609 // sort again
610 std::sort(xbuf.begin() , xbuf.end(), DistanceSort ) ; // sorting
611
612 // erase identical intersection (within kCarTolerance)
613 xbuf.erase(std::unique(xbuf.begin(),xbuf.end(),EqualIntersection),xbuf.end());
614
615#ifdef G4TWISTDEBUG
616 G4cout << G4endl << "list xbuf after sorting : " << G4endl ;
617 G4cout << G4endl << G4endl ;
618#endif
619
620 nxx = xbuf.size() ; // determine number of solutions again.
621
622 for ( size_t i = 0 ; i<xbuf.size() ; ++i )
623 {
624 distance[i] = xbuf[i].distance;
625 gxx[i] = ComputeGlobalPoint(xbuf[i].xx);
626 areacode[i] = xbuf[i].areacode ;
627 isvalid[i] = xbuf[i].isvalid ;
628
629 fCurStatWithV.SetCurrentStatus(i, gxx[i], distance[i], areacode[i],
630 isvalid[i], nxx, validate, &gp, &gv);
631
632#ifdef G4TWISTDEBUG
633 G4cout << "element Nr. " << i
634 << ", local Intersection = " << xbuf[i].xx
635 << ", distance = " << xbuf[i].distance
636 << ", u = " << xbuf[i].u
637 << ", phi = " << xbuf[i].phi
638 << ", isvalid = " << xbuf[i].isvalid
639 << G4endl ;
640#endif
641
642 } // end for( i ) loop
643
644#ifdef G4TWISTDEBUG
645 G4cout << "G4TwistBoxSide finished " << G4endl ;
646 G4cout << nxx << " possible physical solutions found" << G4endl ;
647 for ( G4int k= 0 ; k< nxx ; ++k )
648 {
649 G4cout << "global intersection Point found: " << gxx[k] << G4endl ;
650 G4cout << "distance = " << distance[k] << G4endl ;
651 G4cout << "isvalid = " << isvalid[k] << G4endl ;
652 }
653#endif
654
655 return nxx ;
656}
static constexpr double L
Definition: G4SIunits.hh:104
static constexpr double pi
Definition: G4SIunits.hh:55
G4bool DistanceSort(const Intersection &a, const Intersection &b)
G4bool EqualIntersection(const Intersection &a, const Intersection &b)
G4int FindRoots(G4double *op, G4int degree, G4double *zeror, G4double *zeroi)
virtual G4ThreeVector SurfacePoint(G4double phi, G4double u, G4bool isGlobal=false)
G4ThreeVector NormAng(G4double phi, G4double u)
virtual G4int GetAreaCode(const G4ThreeVector &xx, G4bool withTol=true)
void GetPhiUAtX(G4ThreeVector p, G4double &phi, G4double &u)
G4int GetAreacode(G4int i) const
G4double GetDistance(G4int i) const
G4bool IsValid(G4int i) const
void SetCurrentStatus(G4int i, G4ThreeVector &xx, G4double &dist, G4int &areacode, G4bool &isvalid, G4int nxx, EValidate validate, const G4ThreeVector *p, const G4ThreeVector *v=nullptr)
G4ThreeVector GetXX(G4int i) const
void ResetfDone(EValidate validate, const G4ThreeVector *p, const G4ThreeVector *v=nullptr)
G4ThreeVector ComputeLocalDirection(const G4ThreeVector &gp) const
G4ThreeVector ComputeLocalPoint(const G4ThreeVector &gp) const
G4bool IsOutside(G4int areacode) const
CurrentStatus fCurStatWithV
G4double DistanceToPlaneWithV(const G4ThreeVector &p, const G4ThreeVector &v, const G4ThreeVector &x0, const G4ThreeVector &n0, G4ThreeVector &xx)
G4ThreeVector ComputeGlobalPoint(const G4ThreeVector &lp) const

References Intersection::areacode, G4VTwistSurface::ComputeGlobalPoint(), G4VTwistSurface::ComputeLocalDirection(), G4VTwistSurface::ComputeLocalPoint(), Intersection::distance, DistanceSort(), G4VTwistSurface::DistanceToPlaneWithV(), EqualIntersection(), FatalException, G4VTwistSurface::fCurStatWithV, fdeltaX, fdeltaY, fDx4minus2, fDx4plus2, fDz, G4JTPolynomialSolver::FindRoots(), fPhiTwist, fTAlph, G4cout, G4endl, G4Exception(), G4VSURFACENXX, GetAreaCode(), G4VTwistSurface::CurrentStatus::GetAreacode(), G4VTwistSurface::CurrentStatus::GetDistance(), G4VTwistSurface::CurrentStatus::GetNXX(), GetPhiUAtX(), G4VTwistSurface::CurrentStatus::GetXX(), G4VTwistSurface::CurrentStatus::IsDone(), G4VTwistSurface::IsInside(), G4VTwistSurface::IsOutside(), G4VTwistSurface::CurrentStatus::IsValid(), Intersection::isvalid, G4VTwistSurface::kCarTolerance, kInfinity, G4VTwistSurface::kValidateWithoutTol, G4VTwistSurface::kValidateWithTol, L, NormAng(), Intersection::phi, pi, G4VTwistSurface::CurrentStatus::ResetfDone(), CLHEP::Hep3Vector::set(), G4VTwistSurface::CurrentStatus::SetCurrentStatus(), G4VTwistSurface::sOutside, SurfacePoint(), Intersection::u, CLHEP::Hep3Vector::x(), CLHEP::Hep3Vector::y(), and CLHEP::Hep3Vector::z().

◆ DistanceToSurface() [2/2]

G4int G4TwistBoxSide::DistanceToSurface ( const G4ThreeVector gp,
G4ThreeVector  gxx[],
G4double  distance[],
G4int  areacode[] 
)
virtual

Implements G4VTwistSurface.

Definition at line 661 of file G4TwistBoxSide.cc.

665{
666 const G4double ctol = 0.5 * kCarTolerance;
667
669
670 if (fCurStat.IsDone())
671 {
672 for (G4int i=0; i<fCurStat.GetNXX(); ++i)
673 {
674 gxx[i] = fCurStat.GetXX(i);
675 distance[i] = fCurStat.GetDistance(i);
676 areacode[i] = fCurStat.GetAreacode(i);
677 }
678 return fCurStat.GetNXX();
679 }
680 else // initialize
681 {
682 for (G4int i=0; i<G4VSURFACENXX; ++i)
683 {
684 distance[i] = kInfinity;
685 areacode[i] = sOutside;
687 }
688 }
689
691 G4ThreeVector xx; // intersection point
692 G4ThreeVector xxonsurface ; // interpolated intersection point
693
694 // the surfacenormal at that surface point
695 G4double phiR = 0. ;
696 G4double uR = 0. ;
697
698 G4ThreeVector surfacenormal ;
699 G4double deltaX ;
700
701 G4int maxint = 20 ;
702
703 for ( G4int i = 1 ; i<maxint ; ++i )
704 {
705 xxonsurface = SurfacePoint(phiR,uR) ;
706 surfacenormal = NormAng(phiR,uR) ;
707 distance[0] = DistanceToPlane(p, xxonsurface, surfacenormal, xx); // new XX
708 deltaX = ( xx - xxonsurface ).mag() ;
709
710#ifdef G4TWISTDEBUG
711 G4cout << "i = " << i << ", distance = " << distance[0]
712 << ", " << deltaX << G4endl ;
713 G4cout << "X = " << xx << G4endl ;
714#endif
715
716 // the new point xx is accepted and phi/psi replaced
717 GetPhiUAtX(xx, phiR, uR) ;
718
719 if ( deltaX <= ctol ) { break ; }
720 }
721
722 // check validity of solution ( valid phi,psi )
723
724 G4double halfphi = 0.5*fPhiTwist ;
725 G4double uMax = GetBoundaryMax(phiR) ;
726
727 if ( phiR > halfphi ) phiR = halfphi ;
728 if ( phiR < -halfphi ) phiR = -halfphi ;
729 if ( uR > uMax ) uR = uMax ;
730 if ( uR < -uMax ) uR = -uMax ;
731
732 xxonsurface = SurfacePoint(phiR,uR) ;
733 distance[0] = ( p - xx ).mag() ;
734 if ( distance[0] <= ctol ) { distance[0] = 0 ; }
735
736 // end of validity
737
738#ifdef G4TWISTDEBUG
739 G4cout << "refined solution " << phiR << " , " << uR << " , " << G4endl ;
740 G4cout << "distance = " << distance[0] << G4endl ;
741 G4cout << "X = " << xx << G4endl ;
742#endif
743
744 G4bool isvalid = true;
745 gxx[0] = ComputeGlobalPoint(xx);
746
747#ifdef G4TWISTDEBUG
748 G4cout << "intersection Point found: " << gxx[0] << G4endl ;
749 G4cout << "distance = " << distance[0] << G4endl ;
750#endif
751
752 fCurStat.SetCurrentStatus(0, gxx[0], distance[0], areacode[0],
753 isvalid, 1, kDontValidate, &gp);
754 return 1;
755}
virtual G4double GetBoundaryMax(G4double phi)
G4double DistanceToPlane(const G4ThreeVector &p, const G4ThreeVector &x0, const G4ThreeVector &n0, G4ThreeVector &xx)
CurrentStatus fCurStat

References G4VTwistSurface::ComputeGlobalPoint(), G4VTwistSurface::ComputeLocalPoint(), G4VTwistSurface::DistanceToPlane(), G4VTwistSurface::fCurStat, fPhiTwist, G4cout, G4endl, G4VSURFACENXX, G4VTwistSurface::CurrentStatus::GetAreacode(), GetBoundaryMax(), G4VTwistSurface::CurrentStatus::GetDistance(), G4VTwistSurface::CurrentStatus::GetNXX(), GetPhiUAtX(), G4VTwistSurface::CurrentStatus::GetXX(), G4VTwistSurface::CurrentStatus::IsDone(), G4VTwistSurface::kCarTolerance, G4VTwistSurface::kDontValidate, kInfinity, NormAng(), G4VTwistSurface::CurrentStatus::ResetfDone(), CLHEP::Hep3Vector::set(), G4VTwistSurface::CurrentStatus::SetCurrentStatus(), G4VTwistSurface::sOutside, and SurfacePoint().

◆ GetAreaCode()

G4int G4TwistBoxSide::GetAreaCode ( const G4ThreeVector xx,
G4bool  withTol = true 
)
privatevirtual

Implements G4VTwistSurface.

Definition at line 760 of file G4TwistBoxSide.cc.

762{
763 // We must use the function in local coordinate system.
764 // See the description of DistanceToSurface(p,v).
765
766 const G4double ctol = 0.5 * kCarTolerance;
767
768 G4double phi ;
769 G4double yprime ;
770 GetPhiUAtX(xx, phi,yprime ) ;
771
772 G4double fYAxisMax = GetBoundaryMax(phi) ; // Boundaries are symmetric
773 G4double fYAxisMin = - fYAxisMax ;
774
775#ifdef G4TWISTDEBUG
776 G4cout << "GetAreaCode: phi = " << phi << G4endl ;
777 G4cout << "GetAreaCode: yprime = " << yprime << G4endl ;
778 G4cout << "Intervall is " << fYAxisMin << " to " << fYAxisMax << G4endl ;
779#endif
780
781 G4int areacode = sInside;
782
783 if (fAxis[0] == kYAxis && fAxis[1] == kZAxis)
784 {
785 G4int zaxis = 1;
786
787 if (withTol)
788 {
789 G4bool isoutside = false;
790
791 // test boundary of yaxis
792
793 if (yprime < fYAxisMin + ctol)
794 {
795 areacode |= (sAxis0 & (sAxisY | sAxisMin)) | sBoundary;
796 if (yprime <= fYAxisMin - ctol) isoutside = true;
797
798 }
799 else if (yprime > fYAxisMax - ctol)
800 {
801 areacode |= (sAxis0 & (sAxisY | sAxisMax)) | sBoundary;
802 if (yprime >= fYAxisMax + ctol) isoutside = true;
803 }
804
805 // test boundary of z-axis
806
807 if (xx.z() < fAxisMin[zaxis] + ctol)
808 {
809 areacode |= (sAxis1 & (sAxisZ | sAxisMin));
810
811 if (areacode & sBoundary) areacode |= sCorner; // xx on corner.
812 else areacode |= sBoundary;
813 if (xx.z() <= fAxisMin[zaxis] - ctol) isoutside = true;
814
815 }
816 else if (xx.z() > fAxisMax[zaxis] - ctol)
817 {
818 areacode |= (sAxis1 & (sAxisZ | sAxisMax));
819
820 if (areacode & sBoundary) areacode |= sCorner; // xx on corner.
821 else areacode |= sBoundary;
822 if (xx.z() >= fAxisMax[zaxis] + ctol) isoutside = true;
823 }
824
825 // if isoutside = true, clear inside bit.
826 // if not on boundary, add axis information.
827
828 if (isoutside)
829 {
830 G4int tmpareacode = areacode & (~sInside);
831 areacode = tmpareacode;
832 }
833 else if ((areacode & sBoundary) != sBoundary)
834 {
835 areacode |= (sAxis0 & sAxisY) | (sAxis1 & sAxisZ);
836 }
837
838 }
839 else
840 {
841 // boundary of y-axis
842
843 if (yprime < fYAxisMin )
844 {
845 areacode |= (sAxis0 & (sAxisY | sAxisMin)) | sBoundary;
846 }
847 else if (yprime > fYAxisMax)
848 {
849 areacode |= (sAxis0 & (sAxisY | sAxisMax)) | sBoundary;
850 }
851
852 // boundary of z-axis
853
854 if (xx.z() < fAxisMin[zaxis])
855 {
856 areacode |= (sAxis1 & (sAxisZ | sAxisMin));
857 if (areacode & sBoundary) areacode |= sCorner; // xx on corner.
858 else areacode |= sBoundary;
859
860 }
861 else if (xx.z() > fAxisMax[zaxis])
862 {
863 areacode |= (sAxis1 & (sAxisZ | sAxisMax)) ;
864 if (areacode & sBoundary) areacode |= sCorner; // xx on corner.
865 else areacode |= sBoundary;
866 }
867
868 if ((areacode & sBoundary) != sBoundary)
869 {
870 areacode |= (sAxis0 & sAxisY) | (sAxis1 & sAxisZ);
871 }
872 }
873 return areacode;
874 }
875 else
876 {
877 G4Exception("G4TwistBoxSide::GetAreaCode()",
878 "GeomSolids0001", FatalException,
879 "Feature NOT implemented !");
880 }
881 return areacode;
882}
static const G4int sAxisMax
static const G4int sAxis0
static const G4int sAxisMin
static const G4int sAxis1
static const G4int sBoundary
static const G4int sAxisZ
static const G4int sCorner
static const G4int sInside
static const G4int sAxisY

References FatalException, G4VTwistSurface::fAxis, G4VTwistSurface::fAxisMax, G4VTwistSurface::fAxisMin, G4cout, G4endl, G4Exception(), GetBoundaryMax(), GetPhiUAtX(), G4VTwistSurface::kCarTolerance, kYAxis, kZAxis, G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisMax, G4VTwistSurface::sAxisMin, G4VTwistSurface::sAxisY, G4VTwistSurface::sAxisZ, G4VTwistSurface::sBoundary, G4VTwistSurface::sCorner, G4VTwistSurface::sInside, and CLHEP::Hep3Vector::z().

Referenced by DistanceToSurface().

◆ GetAxisType()

G4int G4VTwistSurface::GetAxisType ( G4int  areacode,
G4int  whichaxis 
) const
inlineinherited

◆ GetBoundaryAtPZ()

G4ThreeVector G4VTwistSurface::GetBoundaryAtPZ ( G4int  areacode,
const G4ThreeVector p 
) const
virtualinherited

Definition at line 698 of file G4VTwistSurface.cc.

700{
701 // areacode must be one of them:
702 // sAxis0 & sAxisMin, sAxis0 & sAxisMax,
703 // sAxis1 & sAxisMin, sAxis1 & sAxisMax.
704
705 if (areacode & sAxis0 && areacode & sAxis1)
706 {
707 std::ostringstream message;
708 message << "Point is in the corner area." << G4endl
709 << " This function returns "
710 << "a direction vector of a boundary line." << G4endl
711 << " areacode = " << areacode;
712 G4Exception("G4VTwistSurface::GetBoundaryAtPZ()", "GeomSolids0003",
713 FatalException, message);
714 }
715
717 G4ThreeVector x0;
718 G4int boundarytype;
719 G4bool found = false;
720
721 for (G4int i=0; i<4; ++i)
722 {
723 if (fBoundaries[i].GetBoundaryParameters(areacode, d, x0,
724 boundarytype))
725 {
726 found = true;
727 continue;
728 }
729 }
730
731 if (!found)
732 {
733 std::ostringstream message;
734 message << "Not registered boundary." << G4endl
735 << " Boundary at areacode " << areacode << G4endl
736 << " is not registered.";
737 G4Exception("G4VTwistSurface::GetBoundaryAtPZ()", "GeomSolids0002",
738 FatalException, message);
739 }
740
741 if (((boundarytype & sAxisPhi) == sAxisPhi) ||
742 ((boundarytype & sAxisRho) == sAxisRho))
743 {
744 std::ostringstream message;
745 message << "Not a z-depended line boundary." << G4endl
746 << " Boundary at areacode " << areacode << G4endl
747 << " is not a z-depended line.";
748 G4Exception("G4VTwistSurface::GetBoundaryAtPZ()", "GeomSolids0002",
749 FatalException, message);
750 }
751 return ((p.z() - x0.z()) / d.z()) * d + x0;
752}
Boundary fBoundaries[4]
static const G4int sAxisRho

References FatalException, G4VTwistSurface::fBoundaries, G4endl, G4Exception(), G4VTwistSurface::GetBoundaryParameters(), G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisPhi, G4VTwistSurface::sAxisRho, and CLHEP::Hep3Vector::z().

Referenced by G4TwistTubsSide::DistanceToSurface(), G4TwistTubsHypeSide::GetAreaCodeInPhi(), G4TwistTubsHypeSide::GetBoundaryMax(), and G4TwistTubsHypeSide::GetBoundaryMin().

◆ GetBoundaryAxis()

void G4VTwistSurface::GetBoundaryAxis ( G4int  areacode,
EAxis  axis[] 
) const
protectedinherited

Definition at line 783 of file G4VTwistSurface.cc.

784{
785 if ((areacode & sBoundary) != sBoundary) {
786 G4Exception("G4VTwistSurface::GetBoundaryAxis()", "GeomSolids0003",
787 FatalException, "Not located on a boundary!");
788 }
789 for (G4int i=0; i<2; ++i)
790 {
791 G4int whichaxis = 0 ;
792 if (i == 0) {
793 whichaxis = sAxis0;
794 } else if (i == 1) {
795 whichaxis = sAxis1;
796 }
797
798 // extracted axiscode of whichaxis
799 G4int axiscode = whichaxis & sAxisMask & areacode ;
800 if (axiscode) {
801 if (axiscode == (whichaxis & sAxisX)) {
802 axis[i] = kXAxis;
803 } else if (axiscode == (whichaxis & sAxisY)) {
804 axis[i] = kYAxis;
805 } else if (axiscode == (whichaxis & sAxisZ)) {
806 axis[i] = kZAxis;
807 } else if (axiscode == (whichaxis & sAxisRho)) {
808 axis[i] = kRho;
809 } else if (axiscode == (whichaxis & sAxisPhi)) {
810 axis[i] = kPhi;
811 } else {
812 std::ostringstream message;
813 message << "Not supported areacode." << G4endl
814 << " areacode " << areacode;
815 G4Exception("G4VTwistSurface::GetBoundaryAxis()", "GeomSolids0001",
816 FatalException, message);
817 }
818 }
819 }
820}
static const G4int sAxisMask
static const G4int sAxisX
@ kPhi
Definition: geomdefs.hh:60
@ kXAxis
Definition: geomdefs.hh:55
@ kRho
Definition: geomdefs.hh:58

References FatalException, G4endl, G4Exception(), kPhi, kRho, kXAxis, kYAxis, kZAxis, G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisMask, G4VTwistSurface::sAxisPhi, G4VTwistSurface::sAxisRho, G4VTwistSurface::sAxisX, G4VTwistSurface::sAxisY, G4VTwistSurface::sAxisZ, and G4VTwistSurface::sBoundary.

◆ GetBoundaryLimit()

void G4VTwistSurface::GetBoundaryLimit ( G4int  areacode,
G4double  limit[] 
) const
protectedinherited

Definition at line 825 of file G4VTwistSurface.cc.

826{
827 if (areacode & sCorner) {
828 if (areacode & sC0Min1Min) {
829 limit[0] = fAxisMin[0];
830 limit[1] = fAxisMin[1];
831 } else if (areacode & sC0Max1Min) {
832 limit[0] = fAxisMax[0];
833 limit[1] = fAxisMin[1];
834 } else if (areacode & sC0Max1Max) {
835 limit[0] = fAxisMax[0];
836 limit[1] = fAxisMax[1];
837 } else if (areacode & sC0Min1Max) {
838 limit[0] = fAxisMin[0];
839 limit[1] = fAxisMax[1];
840 }
841 } else if (areacode & sBoundary) {
842 if (areacode & (sAxis0 | sAxisMin)) {
843 limit[0] = fAxisMin[0];
844 } else if (areacode & (sAxis1 | sAxisMin)) {
845 limit[0] = fAxisMin[1];
846 } else if (areacode & (sAxis0 | sAxisMax)) {
847 limit[0] = fAxisMax[0];
848 } else if (areacode & (sAxis1 | sAxisMax)) {
849 limit[0] = fAxisMax[1];
850 }
851 } else {
852 std::ostringstream message;
853 message << "Not located on a boundary!" << G4endl
854 << " areacode " << areacode;
855 G4Exception("G4VTwistSurface::GetBoundaryLimit()", "GeomSolids1002",
856 JustWarning, message);
857 }
858}
@ JustWarning

References G4VTwistSurface::fAxisMax, G4VTwistSurface::fAxisMin, G4endl, G4Exception(), JustWarning, G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisMax, G4VTwistSurface::sAxisMin, G4VTwistSurface::sBoundary, G4VTwistSurface::sC0Max1Max, G4VTwistSurface::sC0Max1Min, G4VTwistSurface::sC0Min1Max, G4VTwistSurface::sC0Min1Min, and G4VTwistSurface::sCorner.

◆ GetBoundaryMax()

G4double G4TwistBoxSide::GetBoundaryMax ( G4double  phi)
inlineprivatevirtual

Implements G4VTwistSurface.

Definition at line 192 of file G4TwistBoxSide.hh.

193{
194 return 0.5*GetValueB(phi) ;
195}
G4double GetValueB(G4double phi)

References GetValueB().

Referenced by DistanceToSurface(), and GetAreaCode().

◆ GetBoundaryMin()

G4double G4TwistBoxSide::GetBoundaryMin ( G4double  phi)
inlineprivatevirtual

Implements G4VTwistSurface.

Definition at line 186 of file G4TwistBoxSide.hh.

187{
188 return -0.5*GetValueB(phi) ;
189}

References GetValueB().

◆ GetBoundaryParameters()

void G4VTwistSurface::GetBoundaryParameters ( const G4int areacode,
G4ThreeVector d,
G4ThreeVector x0,
G4int boundarytype 
) const
virtualinherited

Definition at line 668 of file G4VTwistSurface.cc.

672{
673 // areacode must be one of them:
674 // sAxis0 & sAxisMin, sAxis0 & sAxisMax,
675 // sAxis1 & sAxisMin, sAxis1 & sAxisMax.
676
677 for (G4int i=0; i<4; ++i)
678 {
679 if (fBoundaries[i].GetBoundaryParameters(areacode, d, x0,
680 boundarytype))
681 {
682 return;
683 }
684 }
685
686 std::ostringstream message;
687 message << "Not registered boundary." << G4endl
688 << " Boundary at areacode " << std::hex << areacode
689 << std::dec << G4endl
690 << " is not registered.";
691 G4Exception("G4VTwistSurface::GetBoundaryParameters()", "GeomSolids0002",
692 FatalException, message);
693}

References FatalException, G4VTwistSurface::fBoundaries, G4endl, G4Exception(), and G4VTwistSurface::GetBoundaryParameters().

Referenced by G4VTwistSurface::DistanceToBoundary(), G4TwistTubsSide::DistanceToSurface(), G4VTwistSurface::GetBoundaryAtPZ(), G4VTwistSurface::GetBoundaryParameters(), and G4VTwistSurface::IsSameBoundary().

◆ GetCorner()

G4ThreeVector G4VTwistSurface::GetCorner ( G4int  areacode) const
inlineprotectedinherited

◆ GetEdgeVisibility()

G4int G4VTwistSurface::GetEdgeVisibility ( G4int  i,
G4int  j,
G4int  m,
G4int  n,
G4int  number,
G4int  orientation 
)
inherited

Definition at line 1031 of file G4VTwistSurface.cc.

1033{
1034 // clockwise filling -> positive orientation
1035 // counter clockwise filling -> negative orientation
1036
1037 //
1038 // d C c
1039 // +------+
1040 // | |
1041 // | |
1042 // | |
1043 // D | |B
1044 // | |
1045 // | |
1046 // | |
1047 // +------+
1048 // a A b
1049 //
1050 // a = +--+ A = ---+
1051 // b = --++ B = --+-
1052 // c = -++- C = -+--
1053 // d = ++-- D = +---
1054
1055
1056 // check first invisible faces
1057
1058 if ( ( i>0 && i<n-2 ) && ( j>0 && j<k-2 ) )
1059 {
1060 return -1 ; // always invisible, signs: ----
1061 }
1062
1063 // change first the vertex number (depends on the orientation)
1064 // 0,1,2,3 -> 3,2,1,0
1065 if ( orientation < 0 ) { number = ( 3 - number ) ; }
1066
1067 // check true edges
1068 if ( ( j>=1 && j<=k-3 ) )
1069 {
1070 if ( i == 0 ) { // signs (A): ---+
1071 return ( number == 3 ) ? 1 : -1 ;
1072 }
1073
1074 else if ( i == n-2 ) { // signs (C): -+--
1075 return ( number == 1 ) ? 1 : -1 ;
1076 }
1077
1078 else
1079 {
1080 std::ostringstream message;
1081 message << "Not correct face number: " << GetName() << " !";
1082 G4Exception("G4TwistSurface::G4GetEdgeVisibility()",
1083 "GeomSolids0003", FatalException, message);
1084 }
1085 }
1086
1087 if ( ( i>=1 && i<=n-3 ) )
1088 {
1089 if ( j == 0 ) { // signs (D): +---
1090 return ( number == 0 ) ? 1 : -1 ;
1091 }
1092
1093 else if ( j == k-2 ) { // signs (B): --+-
1094 return ( number == 2 ) ? 1 : -1 ;
1095 }
1096
1097 else
1098 {
1099 std::ostringstream message;
1100 message << "Not correct face number: " << GetName() << " !";
1101 G4Exception("G4TwistSurface::G4GetEdgeVisibility()",
1102 "GeomSolids0003", FatalException, message);
1103 }
1104 }
1105
1106 // now the corners
1107 if ( i == 0 && j == 0 ) { // signs (a) : +--+
1108 return ( number == 0 || number == 3 ) ? 1 : -1 ;
1109 }
1110 else if ( i == 0 && j == k-2 ) { // signs (b) : --++
1111 return ( number == 2 || number == 3 ) ? 1 : -1 ;
1112 }
1113 else if ( i == n-2 && j == k-2 ) { // signs (c) : -++-
1114 return ( number == 1 || number == 2 ) ? 1 : -1 ;
1115 }
1116 else if ( i == n-2 && j == 0 ) { // signs (d) : ++--
1117 return ( number == 0 || number == 1 ) ? 1 : -1 ;
1118 }
1119 else
1120 {
1121 std::ostringstream message;
1122 message << "Not correct face number: " << GetName() << " !";
1123 G4Exception("G4TwistSurface::G4GetEdgeVisibility()",
1124 "GeomSolids0003", FatalException, message);
1125 }
1126
1127 std::ostringstream message;
1128 message << "Not correct face number: " << GetName() << " !";
1129 G4Exception("G4TwistSurface::G4GetEdgeVisibility()", "GeomSolids0003",
1130 FatalException, message);
1131
1132 return 0 ;
1133}

References FatalException, G4Exception(), G4VTwistSurface::GetName(), and CLHEP::detail::n.

Referenced by GetFacets(), G4TwistTrapAlphaSide::GetFacets(), G4TwistTrapFlatSide::GetFacets(), G4TwistTrapParallelSide::GetFacets(), G4TwistTubsFlatSide::GetFacets(), G4TwistTubsHypeSide::GetFacets(), and G4TwistTubsSide::GetFacets().

◆ GetFace()

G4int G4VTwistSurface::GetFace ( G4int  i,
G4int  j,
G4int  m,
G4int  n,
G4int  iside 
)
inherited

Definition at line 906 of file G4VTwistSurface.cc.

908{
909 // this is the face mapping function
910 // (i,j) -> face number
911
912 if ( iside == 0 ) {
913 return i * ( k - 1 ) + j ;
914 }
915
916 else if ( iside == 1 ) {
917 return (k-1)*(k-1) + i*(k-1) + j ;
918 }
919
920 else if ( iside == 2 ) {
921 return 2*(k-1)*(k-1) + i*(k-1) + j ;
922 }
923
924 else if ( iside == 3 ) {
925 return 2*(k-1)*(k-1) + (n-1)*(k-1) + i*(k-1) + j ;
926 }
927
928 else if ( iside == 4 ) {
929 return 2*(k-1)*(k-1) + 2*(n-1)*(k-1) + i*(k-1) + j ;
930 }
931
932 else if ( iside == 5 ) {
933 return 2*(k-1)*(k-1) + 3*(n-1)*(k-1) + i*(k-1) + j ;
934 }
935
936 else {
937 std::ostringstream message;
938 message << "Not correct side number: "
939 << GetName() << G4endl
940 << "iside is " << iside << " but should be "
941 << "0,1,2,3,4 or 5" << ".";
942 G4Exception("G4TwistSurface::G4GetFace()", "GeomSolids0002",
943 FatalException, message);
944 }
945
946 return -1 ; // wrong face
947}

References FatalException, G4endl, G4Exception(), G4VTwistSurface::GetName(), and CLHEP::detail::n.

Referenced by GetFacets(), G4TwistTrapAlphaSide::GetFacets(), G4TwistTrapFlatSide::GetFacets(), G4TwistTrapParallelSide::GetFacets(), G4TwistTubsFlatSide::GetFacets(), G4TwistTubsHypeSide::GetFacets(), and G4TwistTubsSide::GetFacets().

◆ GetFacets()

void G4TwistBoxSide::GetFacets ( G4int  m,
G4int  n,
G4double  xyz[][3],
G4int  faces[][4],
G4int  iside 
)
privatevirtual

Implements G4VTwistSurface.

Definition at line 1034 of file G4TwistBoxSide.cc.

1036{
1037 G4double phi ;
1038 G4double b ;
1039
1040 G4double z, u ; // the two parameters for the surface equation
1041 G4ThreeVector p ; // a point on the surface, given by (z,u)
1042
1043 G4int nnode ;
1044 G4int nface ;
1045
1046 // calculate the (n-1)*(k-1) vertices
1047
1048 G4int i,j ;
1049
1050 for ( i = 0 ; i<n ; ++i )
1051 {
1052 z = -fDz+i*(2.*fDz)/(n-1) ;
1053 phi = z*fPhiTwist/(2*fDz) ;
1054 b = GetValueB(phi) ;
1055
1056 for ( j = 0 ; j<k ; ++j )
1057 {
1058 nnode = GetNode(i,j,k,n,iside) ;
1059 u = -b/2 +j*b/(k-1) ;
1060 p = SurfacePoint(phi,u,true) ;
1061 // surface point in global coordinate system
1062
1063 xyz[nnode][0] = p.x() ;
1064 xyz[nnode][1] = p.y() ;
1065 xyz[nnode][2] = p.z() ;
1066
1067 if ( i<n-1 && j<k-1 ) // conterclock wise filling
1068 {
1069 nface = GetFace(i,j,k,n,iside) ;
1070 faces[nface][0] = GetEdgeVisibility(i,j,k,n,0,-1) * (GetNode(i ,j ,k,n,iside)+1) ; // fortran numbering
1071 faces[nface][1] = GetEdgeVisibility(i,j,k,n,1,-1) * (GetNode(i ,j+1,k,n,iside)+1) ;
1072 faces[nface][2] = GetEdgeVisibility(i,j,k,n,2,-1) * (GetNode(i+1,j+1,k,n,iside)+1) ;
1073 faces[nface][3] = GetEdgeVisibility(i,j,k,n,3,-1) * (GetNode(i+1,j ,k,n,iside)+1) ;
1074 }
1075 }
1076 }
1077}
G4int GetNode(G4int i, G4int j, G4int m, G4int n, G4int iside)
G4int GetFace(G4int i, G4int j, G4int m, G4int n, G4int iside)
G4int GetEdgeVisibility(G4int i, G4int j, G4int m, G4int n, G4int number, G4int orientation)

References fDz, fPhiTwist, G4VTwistSurface::GetEdgeVisibility(), G4VTwistSurface::GetFace(), G4VTwistSurface::GetNode(), GetValueB(), CLHEP::detail::n, SurfacePoint(), CLHEP::Hep3Vector::x(), CLHEP::Hep3Vector::y(), and CLHEP::Hep3Vector::z().

◆ GetName()

virtual G4String G4VTwistSurface::GetName ( ) const
inlinevirtualinherited

◆ GetNeighbours() [1/2]

G4VTwistSurface ** G4VTwistSurface::GetNeighbours ( )
inlineprotectedinherited

Definition at line 183 of file G4VTwistSurface.hh.

183{ return fNeighbours; }
G4VTwistSurface * fNeighbours[4]

References G4VTwistSurface::fNeighbours.

Referenced by G4VTwistSurface::DistanceToIn().

◆ GetNeighbours() [2/2]

G4int G4VTwistSurface::GetNeighbours ( G4int  areacode,
G4VTwistSurface surfaces[] 
)
inlineprotectedinherited

◆ GetNode()

G4int G4VTwistSurface::GetNode ( G4int  i,
G4int  j,
G4int  m,
G4int  n,
G4int  iside 
)
inherited

Definition at line 952 of file G4VTwistSurface.cc.

954{
955 // this is the node mapping function
956 // (i,j) -> node number
957 // Depends on the side iside and the used meshing of the surface
958
959 if ( iside == 0 )
960 {
961 // lower endcap is kxk squared.
962 // n = k
963 return i * k + j ;
964 }
965
966 if ( iside == 1 )
967 {
968 // upper endcap is kxk squared. Shift by k*k
969 // n = k
970 return k*k + i*k + j ;
971 }
972
973 else if ( iside == 2 )
974 {
975 // front side.
976 if ( i == 0 ) { return j ; }
977 else if ( i == n-1 ) { return k*k + j ; }
978 else { return 2*k*k + 4*(i-1)*(k-1) + j ; }
979 }
980
981 else if ( iside == 3 )
982 {
983 // right side
984 if ( i == 0 ) { return (j+1)*k - 1 ; }
985 else if ( i == n-1 ) { return k*k + (j+1)*k - 1 ; }
986 else
987 {
988 return 2*k*k + 4*(i-1)*(k-1) + (k-1) + j ;
989 }
990 }
991 else if ( iside == 4 )
992 {
993 // back side
994 if ( i == 0 ) { return k*k - 1 - j ; } // reversed order
995 else if ( i == n-1 ) { return 2*k*k - 1 - j ; } // reversed order
996 else
997 {
998 return 2*k*k + 4*(i-1)*(k-1) + 2*(k-1) + j ; // normal order
999 }
1000 }
1001 else if ( iside == 5 )
1002 {
1003 // left side
1004 if ( i == 0 ) { return k*k - (j+1)*k ; } // reversed order
1005 else if ( i == n-1) { return 2*k*k - (j+1)*k ; } // reverded order
1006 else
1007 {
1008 if ( j == k-1 ) { return 2*k*k + 4*(i-1)*(k-1) ; } // special case
1009 else
1010 {
1011 return 2*k*k + 4*(i-1)*(k-1) + 3*(k-1) + j ; // normal order
1012 }
1013 }
1014 }
1015 else
1016 {
1017 std::ostringstream message;
1018 message << "Not correct side number: "
1019 << GetName() << G4endl
1020 << "iside is " << iside << " but should be "
1021 << "0,1,2,3,4 or 5" << ".";
1022 G4Exception("G4TwistSurface::G4GetNode()", "GeomSolids0002",
1023 FatalException, message);
1024 }
1025 return -1 ; // wrong node
1026}

References FatalException, G4endl, G4Exception(), G4VTwistSurface::GetName(), and CLHEP::detail::n.

Referenced by GetFacets(), G4TwistTrapAlphaSide::GetFacets(), G4TwistTrapFlatSide::GetFacets(), G4TwistTrapParallelSide::GetFacets(), G4TwistTubsFlatSide::GetFacets(), G4TwistTubsHypeSide::GetFacets(), and G4TwistTubsSide::GetFacets().

◆ GetNormal()

G4ThreeVector G4TwistBoxSide::GetNormal ( const G4ThreeVector xx,
G4bool  isGlobal = false 
)
virtual

Implements G4VTwistSurface.

Definition at line 144 of file G4TwistBoxSide.cc.

146{
147 // GetNormal returns a normal vector at a surface (or very close
148 // to surface) point at tmpxx.
149 // If isGlobal=true, it returns the normal in global coordinate.
150 //
151
152 G4ThreeVector xx;
153 if (isGlobal)
154 {
155 xx = ComputeLocalPoint(tmpxx);
156 if ((xx - fCurrentNormal.p).mag() < 0.5 * kCarTolerance)
157 {
159 }
160 }
161 else
162 {
163 xx = tmpxx;
164 if (xx == fCurrentNormal.p)
165 {
166 return fCurrentNormal.normal;
167 }
168 }
169
170 G4double phi ;
171 G4double u ;
172
173 GetPhiUAtX(xx,phi,u) ; // phi,u for point xx close to surface
174
175 G4ThreeVector normal = NormAng(phi,u) ; // the normal vector at phi,u
176
177#ifdef G4TWISTDEBUG
178 G4cout << "normal vector = " << normal << G4endl ;
179 G4cout << "phi = " << phi << " , u = " << u << G4endl ;
180#endif
181
182 // normal = normal/normal.mag() ;
183
184 if (isGlobal)
185 {
187 }
188 else
189 {
191 }
192 return fCurrentNormal.normal;
193}
G4ThreeVector ComputeGlobalDirection(const G4ThreeVector &lp) const
G4SurfCurNormal fCurrentNormal

References G4VTwistSurface::ComputeGlobalDirection(), G4VTwistSurface::ComputeLocalPoint(), G4VTwistSurface::fCurrentNormal, G4cout, G4endl, GetPhiUAtX(), G4VTwistSurface::kCarTolerance, CLHEP::normal(), G4VTwistSurface::G4SurfCurNormal::normal, NormAng(), and G4VTwistSurface::G4SurfCurNormal::p.

◆ GetPhiUAtX()

void G4TwistBoxSide::GetPhiUAtX ( G4ThreeVector  p,
G4double phi,
G4double u 
)
private

Definition at line 982 of file G4TwistBoxSide.cc.

983{
984 // find closest point XX on surface for a given point p
985 // X0 is a point on the surface, d is the direction
986 // ( both for a fixed z = pz)
987
988 // phi is given by the z coordinate of p
989
990 phi = p.z()/(2*fDz)*fPhiTwist ;
991
992 u = -(fTAlph*(fDx4plus2*fPhiTwist + 2*fDx4minus2*phi)
993 + 2*(fdeltaY*phi + fdeltaX*fTAlph*phi
994 - fPhiTwist*(fTAlph*p.x() + p.y()))* std::cos(phi)
995 + 2*(-(fdeltaX*phi) + fdeltaY*fTAlph*phi + fPhiTwist*(p.x()
996 - fTAlph*p.y()))*std::sin(phi))/(2.*(fPhiTwist
998}

References fdeltaX, fdeltaY, fDx4minus2, fDx4plus2, fDz, fPhiTwist, fTAlph, CLHEP::Hep3Vector::x(), CLHEP::Hep3Vector::y(), and CLHEP::Hep3Vector::z().

Referenced by DistanceToSurface(), GetAreaCode(), GetNormal(), and ProjectPoint().

◆ GetSurfaceArea()

G4double G4TwistBoxSide::GetSurfaceArea ( )
inlineprivatevirtual

Implements G4VTwistSurface.

Definition at line 198 of file G4TwistBoxSide.hh.

199{
200 return (fDz*(std::sqrt(16*fDy1*fDy1
201 + (fa1md1 + 4*fDy1*fTAlph)*(fa1md1 + 4*fDy1*fTAlph))
202 + std::sqrt(16*fDy1*fDy1 + (fa2md2 + 4*fDy1*fTAlph)
203 * (fa2md2 + 4*fDy1*fTAlph))))/2. ;
204}

References fa1md1, fa2md2, fDy1, fDz, and fTAlph.

◆ GetValueA()

G4double G4TwistBoxSide::GetValueA ( G4double  phi)
inlineprivate

Definition at line 150 of file G4TwistBoxSide.hh.

151{
152 return ( fDx4plus2 + fDx4minus2 * ( 2 * phi ) / fPhiTwist ) ;
153}

References fDx4minus2, fDx4plus2, and fPhiTwist.

Referenced by Xcoef().

◆ GetValueB()

G4double G4TwistBoxSide::GetValueB ( G4double  phi)
inlineprivate

Definition at line 157 of file G4TwistBoxSide.hh.

158{
159 return ( fDy2plus1 + fDy2minus1 * ( 2 * phi ) / fPhiTwist ) ;
160}

References fDy2minus1, fDy2plus1, and fPhiTwist.

Referenced by GetBoundaryMax(), GetBoundaryMin(), and GetFacets().

◆ IsAxis0()

G4bool G4VTwistSurface::IsAxis0 ( G4int  areacode) const
inlineinherited

◆ IsAxis1()

G4bool G4VTwistSurface::IsAxis1 ( G4int  areacode) const
inlineinherited

◆ IsBoundary()

G4bool G4VTwistSurface::IsBoundary ( G4int  areacode,
G4bool  testbitmode = false 
) const
inlineinherited

◆ IsCorner()

G4bool G4VTwistSurface::IsCorner ( G4int  areacode,
G4bool  testbitmode = false 
) const
inlineinherited

◆ IsInside()

G4bool G4VTwistSurface::IsInside ( G4int  areacode,
G4bool  testbitmode = false 
) const
inlineinherited

◆ IsOutside()

G4bool G4VTwistSurface::IsOutside ( G4int  areacode) const
inlineinherited

◆ IsSameBoundary()

G4bool G4VTwistSurface::IsSameBoundary ( G4VTwistSurface surface1,
G4int  areacode1,
G4VTwistSurface surface2,
G4int  areacode2 
) const
inherited

Definition at line 616 of file G4VTwistSurface.cc.

618{
619 //
620 // IsSameBoundary
621 //
622 // checking tool whether two boundaries on different surfaces are same or not.
623 //
624
625 G4bool testbitmode = true;
626 G4bool iscorner[2] = {IsCorner(areacode1, testbitmode),
627 IsCorner(areacode2, testbitmode)};
628
629 if (iscorner[0] && iscorner[1])
630 {
631 // on corner
632 G4ThreeVector corner1 =
633 surf1->ComputeGlobalPoint(surf1->GetCorner(areacode1));
634 G4ThreeVector corner2 =
635 surf2->ComputeGlobalPoint(surf2->GetCorner(areacode2));
636
637 if ((corner1 - corner2).mag() < kCarTolerance) { return true; }
638 else { return false; }
639 }
640 else if ((IsBoundary(areacode1, testbitmode) && (!iscorner[0])) &&
641 (IsBoundary(areacode2, testbitmode) && (!iscorner[1])))
642 {
643 // on boundary
644 G4ThreeVector d1, d2, ld1, ld2;
645 G4ThreeVector x01, x02, lx01, lx02;
646 G4int type1, type2;
647 surf1->GetBoundaryParameters(areacode1, ld1, lx01, type1);
648 surf2->GetBoundaryParameters(areacode2, ld2, lx02, type2);
649
650 x01 = surf1->ComputeGlobalPoint(lx01);
651 x02 = surf2->ComputeGlobalPoint(lx02);
652 d1 = surf1->ComputeGlobalDirection(ld1);
653 d2 = surf2->ComputeGlobalDirection(ld2);
654
655 if ((x01 - x02).mag() < kCarTolerance &&
656 (d1 - d2).mag() < kCarTolerance) { return true; }
657 else { return false; }
658 }
659 else
660 {
661 return false;
662 }
663}
static const G4double d1
static const G4double d2
G4bool IsCorner(G4int areacode, G4bool testbitmode=false) const
G4bool IsBoundary(G4int areacode, G4bool testbitmode=false) const

References G4VTwistSurface::ComputeGlobalDirection(), G4VTwistSurface::ComputeGlobalPoint(), d1, d2, G4VTwistSurface::GetBoundaryParameters(), G4VTwistSurface::GetCorner(), G4VTwistSurface::IsBoundary(), G4VTwistSurface::IsCorner(), and G4VTwistSurface::kCarTolerance.

Referenced by G4VTwistSurface::DistanceToIn().

◆ IsValidNorm()

G4bool G4VTwistSurface::IsValidNorm ( ) const
inlineinherited

◆ NormAng()

G4ThreeVector G4TwistBoxSide::NormAng ( G4double  phi,
G4double  u 
)
inlineprivate

Definition at line 207 of file G4TwistBoxSide.hh.

208{
209 // function to calculate the norm at a given point on the surface
210 // replace a1-d1
211
212 G4ThreeVector nvec( 4*fDz*(std::cos(phi) + fTAlph*std::sin(phi)) ,
213 4*fDz*(-(fTAlph*std::cos(phi)) + std::sin(phi)),
215 + 2*fDx4minus2*(-1 + fTAlph*phi)
216 + 2*fPhiTwist*(1 + fTAlph*fTAlph)*u
217 - 2*(fdeltaX - fdeltaY*fTAlph)*std::cos(phi)
218 - 2*(fdeltaY + fdeltaX*fTAlph)*std::sin(phi) );
219 return nvec.unit();
220}

References fdeltaX, fdeltaY, fDx2, fDx4, fDx4minus2, fDz, fPhiTwist, fTAlph, and CLHEP::Hep3Vector::unit().

Referenced by DistanceToSurface(), and GetNormal().

◆ ProjectPoint()

G4ThreeVector G4TwistBoxSide::ProjectPoint ( const G4ThreeVector p,
G4bool  isglobal = false 
)
private

Definition at line 1001 of file G4TwistBoxSide.cc.

1003{
1004 // Get Rho at p.z() on Hyperbolic Surface.
1005 G4ThreeVector tmpp;
1006 if (isglobal)
1007 {
1008 tmpp = fRot.inverse()*p - fTrans;
1009 }
1010 else
1011 {
1012 tmpp = p;
1013 }
1014
1015 G4double phi ;
1016 G4double u ;
1017
1018 GetPhiUAtX( tmpp, phi, u ) ;
1019 // calculate (phi, u) for a point p close the surface
1020
1021 G4ThreeVector xx = SurfacePoint(phi,u) ;
1022 // transform back to cartesian coordinates
1023
1024 if (isglobal)
1025 {
1026 return (fRot * xx + fTrans);
1027 }
1028 else
1029 {
1030 return xx;
1031 }
1032}
HepRotation inverse() const

References G4VTwistSurface::fRot, G4VTwistSurface::fTrans, GetPhiUAtX(), CLHEP::HepRotation::inverse(), and SurfacePoint().

◆ SetAxis()

void G4VTwistSurface::SetAxis ( G4int  i,
const EAxis  axis 
)
inlineinherited

Definition at line 156 of file G4VTwistSurface.hh.

156{ fAxis[i] = axis; }

References G4VTwistSurface::fAxis.

◆ SetBoundaries()

void G4TwistBoxSide::SetBoundaries ( )
privatevirtual

Implements G4VTwistSurface.

Definition at line 940 of file G4TwistBoxSide.cc.

941{
942 // Set direction-unit vector of boundary-lines in local coodinates.
943
944 G4ThreeVector direction;
945
946 if (fAxis[0] == kYAxis && fAxis[1] == kZAxis)
947 {
948 // sAxis0 & sAxisMin
950 direction = direction.unit();
951 SetBoundary(sAxis0 & (sAxisY | sAxisMin), direction,
953
954 // sAxis0 & sAxisMax
956 direction = direction.unit();
957 SetBoundary(sAxis0 & (sAxisY | sAxisMax), direction,
959
960 // sAxis1 & sAxisMin
962 direction = direction.unit();
963 SetBoundary(sAxis1 & (sAxisZ | sAxisMin), direction,
965
966 // sAxis1 & sAxisMax
968 direction = direction.unit();
969 SetBoundary(sAxis1 & (sAxisZ | sAxisMax), direction,
971
972 }
973 else
974 {
975 G4Exception("G4TwistBoxSide::SetCorners()",
976 "GeomSolids0001", FatalException,
977 "Feature NOT implemented !");
978 }
979}
Hep3Vector unit() const
virtual void SetBoundary(const G4int &axiscode, const G4ThreeVector &direction, const G4ThreeVector &x0, const G4int &boundarytype)

References FatalException, G4VTwistSurface::fAxis, G4Exception(), G4VTwistSurface::GetCorner(), kYAxis, kZAxis, G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisMax, G4VTwistSurface::sAxisMin, G4VTwistSurface::sAxisY, G4VTwistSurface::sAxisZ, G4VTwistSurface::sC0Max1Max, G4VTwistSurface::sC0Max1Min, G4VTwistSurface::sC0Min1Max, G4VTwistSurface::sC0Min1Min, G4VTwistSurface::SetBoundary(), and CLHEP::Hep3Vector::unit().

Referenced by G4TwistBoxSide().

◆ SetBoundary()

void G4VTwistSurface::SetBoundary ( const G4int axiscode,
const G4ThreeVector direction,
const G4ThreeVector x0,
const G4int boundarytype 
)
protectedvirtualinherited

Definition at line 863 of file G4VTwistSurface.cc.

867{
868 G4int code = (~sAxisMask) & axiscode;
869 if ((code == (sAxis0 & sAxisMin)) ||
870 (code == (sAxis0 & sAxisMax)) ||
871 (code == (sAxis1 & sAxisMin)) ||
872 (code == (sAxis1 & sAxisMax)))
873 {
874 G4bool done = false;
875 for (auto i=0; i<4; ++i)
876 {
877 if (fBoundaries[i].IsEmpty())
878 {
879 fBoundaries[i].SetFields(axiscode, direction,
880 x0, boundarytype);
881 done = true;
882 break;
883 }
884 }
885
886 if (!done)
887 {
888 G4Exception("G4VTwistSurface::SetBoundary()", "GeomSolids0003",
889 FatalException, "Number of boundary exceeding 4!");
890 }
891 }
892 else
893 {
894 std::ostringstream message;
895 message << "Invalid axis-code." << G4endl
896 << " axiscode = "
897 << std::hex << axiscode << std::dec;
898 G4Exception("G4VTwistSurface::SetBoundary()", "GeomSolids0003",
899 FatalException, message);
900 }
901}
void SetFields(const G4int &areacode, const G4ThreeVector &d, const G4ThreeVector &x0, const G4int &boundarytype)
Definition: inftrees.h:24

References FatalException, G4VTwistSurface::fBoundaries, G4endl, G4Exception(), G4VTwistSurface::sAxis0, G4VTwistSurface::sAxis1, G4VTwistSurface::sAxisMax, G4VTwistSurface::sAxisMin, and G4VTwistSurface::Boundary::SetFields().

Referenced by SetBoundaries(), G4TwistTrapAlphaSide::SetBoundaries(), G4TwistTrapFlatSide::SetBoundaries(), G4TwistTrapParallelSide::SetBoundaries(), G4TwistTubsFlatSide::SetBoundaries(), G4TwistTubsHypeSide::SetBoundaries(), and G4TwistTubsSide::SetBoundaries().

◆ SetCorner()

void G4VTwistSurface::SetCorner ( G4int  areacode,
G4double  x,
G4double  y,
G4double  z 
)
protectedinherited

Definition at line 757 of file G4VTwistSurface.cc.

759{
760 if ((areacode & sCorner) != sCorner)
761 {
762 std::ostringstream message;
763 message << "Area code must represents corner." << G4endl
764 << " areacode " << areacode;
765 G4Exception("G4VTwistSurface::SetCorner()", "GeomSolids0002",
766 FatalException, message);
767 }
768
769 if ((areacode & sC0Min1Min) == sC0Min1Min) {
770 fCorners[0].set(x, y, z);
771 } else if ((areacode & sC0Max1Min) == sC0Max1Min) {
772 fCorners[1].set(x, y, z);
773 } else if ((areacode & sC0Max1Max) == sC0Max1Max) {
774 fCorners[2].set(x, y, z);
775 } else if ((areacode & sC0Min1Max) == sC0Min1Max) {
776 fCorners[3].set(x, y, z);
777 }
778}
G4ThreeVector fCorners[4]

References FatalException, G4VTwistSurface::fCorners, G4endl, G4Exception(), G4VTwistSurface::sC0Max1Max, G4VTwistSurface::sC0Max1Min, G4VTwistSurface::sC0Min1Max, G4VTwistSurface::sC0Min1Min, G4VTwistSurface::sCorner, and CLHEP::Hep3Vector::set().

Referenced by SetCorners(), G4TwistTrapAlphaSide::SetCorners(), G4TwistTrapFlatSide::SetCorners(), G4TwistTrapParallelSide::SetCorners(), G4TwistTubsFlatSide::SetCorners(), G4TwistTubsSide::SetCorners(), and G4TwistTubsHypeSide::SetCorners().

◆ SetCorners()

void G4TwistBoxSide::SetCorners ( )
privatevirtual

Implements G4VTwistSurface.

Definition at line 887 of file G4TwistBoxSide.cc.

888{
889
890 // Set Corner points in local coodinate.
891
892 if (fAxis[0] == kYAxis && fAxis[1] == kZAxis)
893 {
894 G4double x, y, z;
895
896 // corner of Axis0min and Axis1min
897
898 x = -fdeltaX/2. + (fDx2 - fDy1*fTAlph)*std::cos(fPhiTwist/2.) - fDy1*std::sin(fPhiTwist/2.) ;
899 y = -fdeltaY/2. - fDy1*std::cos(fPhiTwist/2.) + (-fDx2 + fDy1*fTAlph)*std::sin(fPhiTwist/2.) ;
900 z = -fDz ;
901
902 SetCorner(sC0Min1Min, x, y, z);
903
904 // corner of Axis0max and Axis1min
905
906 x = -fdeltaX/2. + (fDx2 + fDy1*fTAlph)*std::cos(fPhiTwist/2.) + fDy1*std::sin(fPhiTwist/2.) ;
907 y = -fdeltaY/2. + fDy1*std::cos(fPhiTwist/2.) - (fDx2 + fDy1*fTAlph)*std::sin(fPhiTwist/2.) ;
908 z = -fDz ;
909
910 SetCorner(sC0Max1Min, x, y, z);
911
912 // corner of Axis0max and Axis1max
913
914 x = fdeltaX/2. + (fDx4 + fDy2*fTAlph)*std::cos(fPhiTwist/2.) - fDy2*std::sin(fPhiTwist/2.) ;
915 y = fdeltaY/2. + fDy2*std::cos(fPhiTwist/2.) + (fDx4 + fDy2*fTAlph)*std::sin(fPhiTwist/2.) ;
916 z = fDz ;
917
918 SetCorner(sC0Max1Max, x, y, z);
919
920 // corner of Axis0min and Axis1max
921
922 x = fdeltaX/2. + (fDx4 - fDy2*fTAlph)*std::cos(fPhiTwist/2.) + fDy2*std::sin(fPhiTwist/2.) ;
923 y = fdeltaY/2. - fDy2*std::cos(fPhiTwist/2.) + (fDx4 - fDy2*fTAlph)*std::sin(fPhiTwist/2.) ;
924 z = fDz ;
925
926 SetCorner(sC0Min1Max, x, y, z);
927
928 }
929 else
930 {
931 G4Exception("G4TwistBoxSide::SetCorners()",
932 "GeomSolids0001", FatalException,
933 "Method NOT implemented !");
934 }
935}
void SetCorner(G4int areacode, G4double x, G4double y, G4double z)

References FatalException, G4VTwistSurface::fAxis, fdeltaX, fdeltaY, fDx2, fDx4, fDy1, fDy2, fDz, fPhiTwist, fTAlph, G4Exception(), kYAxis, kZAxis, G4VTwistSurface::sC0Max1Max, G4VTwistSurface::sC0Max1Min, G4VTwistSurface::sC0Min1Max, G4VTwistSurface::sC0Min1Min, and G4VTwistSurface::SetCorner().

Referenced by G4TwistBoxSide().

◆ SetNeighbours()

void G4VTwistSurface::SetNeighbours ( G4VTwistSurface ax0min,
G4VTwistSurface ax1min,
G4VTwistSurface ax0max,
G4VTwistSurface ax1max 
)
inlineinherited

◆ SurfacePoint()

G4ThreeVector G4TwistBoxSide::SurfacePoint ( G4double  phi,
G4double  u,
G4bool  isGlobal = false 
)
inlineprivatevirtual

Implements G4VTwistSurface.

Definition at line 171 of file G4TwistBoxSide.hh.

172{
173 // function to calculate a point on the surface, given by parameters phi,u
174
175 G4ThreeVector SurfPoint ( Xcoef(u,phi) * std::cos(phi)
176 - u * std::sin(phi) + fdeltaX*phi/fPhiTwist,
177 Xcoef(u,phi) * std::sin(phi)
178 + u * std::cos(phi) + fdeltaY*phi/fPhiTwist,
179 2*fDz*phi/fPhiTwist );
180
181 if (isGlobal) { return (fRot * SurfPoint + fTrans); }
182 return SurfPoint;
183}
G4double Xcoef(G4double u, G4double phi)

References fdeltaX, fdeltaY, fDz, fPhiTwist, G4VTwistSurface::fRot, G4VTwistSurface::fTrans, and Xcoef().

Referenced by DistanceToSurface(), GetFacets(), and ProjectPoint().

◆ Xcoef()

G4double G4TwistBoxSide::Xcoef ( G4double  u,
G4double  phi 
)
inlineprivate

Definition at line 163 of file G4TwistBoxSide.hh.

164{
165
166 return GetValueA(phi)/2. + u*fTAlph ;
167
168}
G4double GetValueA(G4double phi)

References fTAlph, and GetValueA().

Referenced by SurfacePoint().

Field Documentation

◆ fa1md1

G4double G4TwistBoxSide::fa1md1
private

Definition at line 141 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), and GetSurfaceArea().

◆ fa2md2

G4double G4TwistBoxSide::fa2md2
private

Definition at line 142 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), and GetSurfaceArea().

◆ fAlph

G4double G4TwistBoxSide::fAlph
private

Definition at line 125 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fAmIOnLeftSide

G4SurfSideQuery G4VTwistSurface::fAmIOnLeftSide
privateinherited

◆ fAngleSide

G4double G4TwistBoxSide::fAngleSide
private

Definition at line 130 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fAxis

EAxis G4VTwistSurface::fAxis[2]
protectedinherited

◆ fAxisMax

G4double G4VTwistSurface::fAxisMax[2]
protectedinherited

◆ fAxisMin

G4double G4VTwistSurface::fAxisMin[2]
protectedinherited

◆ fBoundaries

Boundary G4VTwistSurface::fBoundaries[4]
privateinherited

◆ fCorners

G4ThreeVector G4VTwistSurface::fCorners[4]
privateinherited

◆ fCurrentNormal

G4SurfCurNormal G4VTwistSurface::fCurrentNormal
protectedinherited

◆ fCurStat

CurrentStatus G4VTwistSurface::fCurStat
protectedinherited

◆ fCurStatWithV

CurrentStatus G4VTwistSurface::fCurStatWithV
protectedinherited

◆ fdeltaX

G4double G4TwistBoxSide::fdeltaX
private

◆ fdeltaY

G4double G4TwistBoxSide::fdeltaY
private

◆ fDx1

G4double G4TwistBoxSide::fDx1
private

Definition at line 116 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fDx2

G4double G4TwistBoxSide::fDx2
private

Definition at line 117 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), NormAng(), and SetCorners().

◆ fDx3

G4double G4TwistBoxSide::fDx3
private

Definition at line 120 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fDx3minus1

G4double G4TwistBoxSide::fDx3minus1
private

Definition at line 138 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fDx3plus1

G4double G4TwistBoxSide::fDx3plus1
private

Definition at line 137 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fDx4

G4double G4TwistBoxSide::fDx4
private

Definition at line 121 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), NormAng(), and SetCorners().

◆ fDx4minus2

G4double G4TwistBoxSide::fDx4minus2
private

Definition at line 136 of file G4TwistBoxSide.hh.

Referenced by DistanceToSurface(), G4TwistBoxSide(), GetPhiUAtX(), GetValueA(), and NormAng().

◆ fDx4plus2

G4double G4TwistBoxSide::fDx4plus2
private

Definition at line 135 of file G4TwistBoxSide.hh.

Referenced by DistanceToSurface(), G4TwistBoxSide(), GetPhiUAtX(), and GetValueA().

◆ fDy1

G4double G4TwistBoxSide::fDy1
private

Definition at line 115 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), GetSurfaceArea(), and SetCorners().

◆ fDy2

G4double G4TwistBoxSide::fDy2
private

Definition at line 119 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), and SetCorners().

◆ fDy2minus1

G4double G4TwistBoxSide::fDy2minus1
private

Definition at line 140 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), and GetValueB().

◆ fDy2plus1

G4double G4TwistBoxSide::fDy2plus1
private

Definition at line 139 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide(), and GetValueB().

◆ fDz

G4double G4TwistBoxSide::fDz
private

◆ fHandedness

G4int G4VTwistSurface::fHandedness
protectedinherited

◆ fIsValidNorm

G4bool G4VTwistSurface::fIsValidNorm
protectedinherited

◆ fName

G4String G4VTwistSurface::fName
privateinherited

◆ fNeighbours

G4VTwistSurface* G4VTwistSurface::fNeighbours[4]
privateinherited

◆ fPhi

G4double G4TwistBoxSide::fPhi
private

Definition at line 113 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fPhiTwist

G4double G4TwistBoxSide::fPhiTwist
private

◆ fRot

G4RotationMatrix G4VTwistSurface::fRot
protectedinherited

◆ fTAlph

G4double G4TwistBoxSide::fTAlph
private

◆ fTheta

G4double G4TwistBoxSide::fTheta
private

Definition at line 112 of file G4TwistBoxSide.hh.

Referenced by G4TwistBoxSide().

◆ fTrans

G4ThreeVector G4VTwistSurface::fTrans
protectedinherited

◆ kCarTolerance

G4double G4VTwistSurface::kCarTolerance
protectedinherited

◆ sAreaMask

const G4int G4VTwistSurface::sAreaMask = 0XF0000000
staticinherited

Definition at line 235 of file G4VTwistSurface.hh.

◆ sAxis0

const G4int G4VTwistSurface::sAxis0 = 0x0000FF00
staticinherited

◆ sAxis1

const G4int G4VTwistSurface::sAxis1 = 0x000000FF
staticinherited

◆ sAxisMask

const G4int G4VTwistSurface::sAxisMask = 0x0000FCFC
staticinherited

Definition at line 234 of file G4VTwistSurface.hh.

Referenced by G4VTwistSurface::GetBoundaryAxis().

◆ sAxisMax

const G4int G4VTwistSurface::sAxisMax = 0x00000202
staticinherited

◆ sAxisMin

const G4int G4VTwistSurface::sAxisMin = 0x00000101
staticinherited

◆ sAxisPhi

const G4int G4VTwistSurface::sAxisPhi = 0x00001414
staticinherited

◆ sAxisRho

const G4int G4VTwistSurface::sAxisRho = 0x00001010
staticinherited

◆ sAxisX

const G4int G4VTwistSurface::sAxisX = 0x00000404
staticinherited

◆ sAxisY

const G4int G4VTwistSurface::sAxisY = 0x00000808
staticinherited

◆ sAxisZ

const G4int G4VTwistSurface::sAxisZ = 0x00000C0C
staticinherited

◆ sBoundary

const G4int G4VTwistSurface::sBoundary = 0x20000000
staticinherited

◆ sC0Max1Max

const G4int G4VTwistSurface::sC0Max1Max = 0x40000202
staticinherited

◆ sC0Max1Min

const G4int G4VTwistSurface::sC0Max1Min = 0x40000201
staticinherited

◆ sC0Min1Max

const G4int G4VTwistSurface::sC0Min1Max = 0x40000102
staticinherited

◆ sC0Min1Min

const G4int G4VTwistSurface::sC0Min1Min = 0x40000101
staticinherited

◆ sCorner

const G4int G4VTwistSurface::sCorner = 0x40000000
staticinherited

◆ sInside

const G4int G4VTwistSurface::sInside = 0x10000000
staticinherited

◆ sOutside

const G4int G4VTwistSurface::sOutside = 0x00000000
staticinherited

◆ sSizeMask

const G4int G4VTwistSurface::sSizeMask = 0x00000303
staticinherited

The documentation for this class was generated from the following files: