Gabriele Cosmo
233 lines
9.1 KiB
C++
233 lines
9.1 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// G4PolyhedraSide
|
|
//
|
|
// Class description:
|
|
//
|
|
// Class implementing a face that represents one segmented side
|
|
// of a polyhedra:
|
|
//
|
|
// G4PolyhedraSide( const G4PolyhedraSideRZ* prevRZ,
|
|
// const G4PolyhedraSideRZ* tail,
|
|
// const G4PolyhedraSideRZ* head,
|
|
// const G4PolyhedraSideRZ* nextRZ,
|
|
// G4int numSide,
|
|
// G4double phiStart, G4double phiTotal,
|
|
// G4bool phiIsOpen, G4bool isAllBehind = false )
|
|
//
|
|
// Values for r1,z1 and r2,z2 should be specified in clockwise
|
|
// order in (r,z).
|
|
|
|
// Author: David C. Williams (davidw@scipp.ucsc.edu)
|
|
// --------------------------------------------------------------------
|
|
|
|
#ifndef G4PolyhedraSide_hh
|
|
#define G4PolyhedraSide_hh
|
|
|
|
#include "G4VCSGface.hh"
|
|
|
|
class G4IntersectingCone;
|
|
|
|
struct G4PolyhedraSideRZ
|
|
{
|
|
G4double r, z; // start of vector
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// MT-specific utility code
|
|
|
|
#include "G4GeomSplitter.hh"
|
|
|
|
// The class G4PhSideData is introduced to encapsulate the
|
|
// fields of the class G4PolyhedraSide that may not be read-only.
|
|
//
|
|
class G4PhSideData
|
|
{
|
|
public:
|
|
|
|
void initialize()
|
|
{
|
|
fPhix = 0.; fPhiy = 0.; fPhiz = 0.; fPhik = 0.;
|
|
}
|
|
|
|
G4double fPhix=0., fPhiy=0., fPhiz=0., fPhik=0.; // Cached values for phi
|
|
};
|
|
|
|
// The type G4PhSideManager is introduced to encapsulate the methods used
|
|
// by both the master thread and worker threads to allocate memory space
|
|
// for the fields encapsulated by the class G4PhSideData.
|
|
//
|
|
using G4PhSideManager = G4GeomSplitter<G4PhSideData>;
|
|
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class G4PolyhedraSide : public G4VCSGface
|
|
{
|
|
|
|
public:
|
|
|
|
G4PolyhedraSide( const G4PolyhedraSideRZ* prevRZ,
|
|
const G4PolyhedraSideRZ* tail,
|
|
const G4PolyhedraSideRZ* head,
|
|
const G4PolyhedraSideRZ* nextRZ,
|
|
G4int numSide,
|
|
G4double phiStart, G4double phiTotal,
|
|
G4bool phiIsOpen, G4bool isAllBehind = false );
|
|
~G4PolyhedraSide() override;
|
|
|
|
G4PolyhedraSide( const G4PolyhedraSide& source );
|
|
G4PolyhedraSide& operator=( const G4PolyhedraSide& source );
|
|
|
|
G4bool Intersect( const G4ThreeVector& p, const G4ThreeVector& v,
|
|
G4bool outgoing, G4double surfTolerance,
|
|
G4double& distance, G4double& distFromSurface,
|
|
G4ThreeVector& normal, G4bool& allBehind ) override;
|
|
|
|
G4double Distance( const G4ThreeVector& p, G4bool outgoing ) override;
|
|
|
|
EInside Inside( const G4ThreeVector &p, G4double tolerance,
|
|
G4double *bestDistance ) override;
|
|
|
|
G4ThreeVector Normal( const G4ThreeVector& p,
|
|
G4double* bestDistance ) override;
|
|
|
|
G4double Extent( const G4ThreeVector axis ) override;
|
|
|
|
void CalculateExtent( const EAxis axis,
|
|
const G4VoxelLimits &voxelLimit,
|
|
const G4AffineTransform& tranform,
|
|
G4SolidExtentList& extentList ) override;
|
|
|
|
G4VCSGface* Clone() override { return new G4PolyhedraSide( *this ); }
|
|
|
|
// Methods used for GetPointOnSurface()
|
|
|
|
G4double SurfaceTriangle( const G4ThreeVector& p1,
|
|
const G4ThreeVector& p2,
|
|
const G4ThreeVector& p3,
|
|
G4ThreeVector* p4 );
|
|
G4ThreeVector GetPointOnPlane( const G4ThreeVector& p0, const G4ThreeVector& p1,
|
|
const G4ThreeVector& p2, const G4ThreeVector& p3,
|
|
G4double* Area );
|
|
G4double SurfaceArea() override;
|
|
G4ThreeVector GetPointOnFace() override;
|
|
|
|
G4PolyhedraSide(__void__&);
|
|
// Fake default constructor for usage restricted to direct object
|
|
// persistency for clients requiring preallocation of memory for
|
|
// persistifiable objects.
|
|
|
|
inline G4int GetInstanceID() const { return instanceID; }
|
|
// Returns the instance ID.
|
|
|
|
static const G4PhSideManager& GetSubInstanceManager();
|
|
// Returns the private data instance manager.
|
|
|
|
//
|
|
// A couple internal data structures
|
|
//
|
|
struct sG4PolyhedraSideVec; // Secret recipe for allowing
|
|
friend struct sG4PolyhedraSideVec; // protected nested structures
|
|
|
|
using G4PolyhedraSideEdge = struct sG4PolyhedraSideEdge
|
|
{
|
|
G4ThreeVector normal; // Unit normal to this edge
|
|
G4ThreeVector corner[2]; // The two corners of this phi edge
|
|
G4ThreeVector cornNorm[2]; // The normals of these corners
|
|
};
|
|
|
|
using G4PolyhedraSideVec = struct sG4PolyhedraSideVec
|
|
{
|
|
G4ThreeVector normal, // Normal (point out of the shape)
|
|
center, // Point in center of side
|
|
surfPhi, // Unit vector on surface pointing along phi
|
|
surfRZ; // Unit vector on surface pointing along R/Z
|
|
G4PolyhedraSideEdge* edges[2]; // The phi boundary edges to this side
|
|
// [0]=low phi [1]=high phi
|
|
G4ThreeVector edgeNorm[2]; // RZ edge normals [i] at {r[i],z[i]}
|
|
};
|
|
|
|
protected:
|
|
|
|
G4bool IntersectSidePlane( const G4ThreeVector& p, const G4ThreeVector& v,
|
|
const G4PolyhedraSideVec& vec,
|
|
G4double normSign,
|
|
G4double surfTolerance,
|
|
G4double &distance,
|
|
G4double &distFromSurface );
|
|
|
|
G4int LineHitsSegments( const G4ThreeVector& p,
|
|
const G4ThreeVector& v,
|
|
G4int* i1, G4int* i2 );
|
|
|
|
G4int ClosestPhiSegment( G4double phi );
|
|
|
|
G4int PhiSegment( G4double phi );
|
|
|
|
G4double GetPhi( const G4ThreeVector& p );
|
|
|
|
G4double DistanceToOneSide( const G4ThreeVector& p,
|
|
const G4PolyhedraSideVec& vec,
|
|
G4double* normDist );
|
|
|
|
G4double DistanceAway( const G4ThreeVector& p,
|
|
const G4PolyhedraSideVec& vec,
|
|
G4double* normDist );
|
|
|
|
void CopyStuff( const G4PolyhedraSide& source );
|
|
|
|
protected:
|
|
|
|
G4int numSide = 0; // Number sides
|
|
G4double r[2], z[2]; // r, z parameters, in specified order
|
|
G4double startPhi, // Start phi (0 to 2pi), if phiIsOpen
|
|
deltaPhi, // Delta phi (0 to 2pi), if phiIsOpen
|
|
endPhi; // End phi (>startPhi), if phiIsOpen
|
|
G4bool phiIsOpen = false; // True if there is a phi slice
|
|
G4bool allBehind = false; // True if the entire solid is "behind" this face
|
|
|
|
G4IntersectingCone* cone = nullptr; // Our intersecting cone
|
|
|
|
G4PolyhedraSideVec* vecs = nullptr; // Vector set for each facet of our face
|
|
G4PolyhedraSideEdge* edges = nullptr; // The edges belong to vecs
|
|
G4double lenRZ, // RZ length of each side
|
|
lenPhi[2]; // Phi dimensions of each side
|
|
G4double edgeNorm; // Normal in RZ/Phi space to each side
|
|
|
|
private:
|
|
|
|
G4double kCarTolerance; // Geometrical surface thickness
|
|
G4double fSurfaceArea = 0.0; // Surface Area
|
|
|
|
G4int instanceID;
|
|
// This field is used as instance ID.
|
|
G4GEOM_DLL static G4PhSideManager subInstanceManager;
|
|
// This field helps to use the class G4PhSideManager introduced above.
|
|
};
|
|
|
|
#endif
|