Files
geant4/source/geometry/solids/specific/include/G4ExtrudedSolid.icc
T
2017-12-08 12:52:30 +01:00

130 lines
4.0 KiB
Plaintext

//
// ********************************************************************
// * 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. *
// ********************************************************************
//
//
// $Id: G4ExtrudedSolid.icc 107111 2017-11-02 14:33:38Z gcosmo $
//
// --------------------------------------------------------------------
// GEANT 4 inline definitions file
//
// G4ExtrudedSolid.icc
//
// Implementation of inline methods of G4ExtrudedSolid
// --------------------------------------------------------------------
inline
G4int G4ExtrudedSolid::GetNofVertices() const
{
return fNv;
}
inline G4TwoVector G4ExtrudedSolid::GetVertex(G4int index) const
{
if ( index<0 || index >= fNv )
{
G4Exception ("G4ExtrudedSolid::GetVertex()", "GeomSolids0003",
FatalException, "Index outside range.");
return G4TwoVector();
}
return fPolygon[index];
}
inline
std::vector<G4TwoVector> G4ExtrudedSolid::GetPolygon() const
{
return fPolygon;
}
inline
G4int G4ExtrudedSolid::GetNofZSections() const
{
return fNz;
}
inline
G4ExtrudedSolid::ZSection G4ExtrudedSolid::GetZSection(G4int index) const
{
if ( index<0 || index >= fNz )
{
G4Exception ("G4ExtrudedSolid::GetZSection()", "GeomSolids0003",
FatalException, "Index outside range.");
return ZSection(0.0, G4TwoVector(), 0.0);
}
return fZSections[index];
}
inline
std::vector<G4ExtrudedSolid::ZSection> G4ExtrudedSolid::GetZSections() const
{
return fZSections;
}
inline
G4bool G4ExtrudedSolid::PointInPolygon(const G4ThreeVector& p) const
{
G4bool in = 0;
G4int icur = (fPolygon[fNv-1].y() > p.y()), iprev = 0;
for (G4int i = 0; i < fNv; i++)
{
iprev = icur;
if ((icur = (fPolygon[i].y() > p.y())) != iprev)
{
in ^= (p.y()*fLines[i].k + fLines[i].m < p.x());
}
}
return in;
}
inline
G4double G4ExtrudedSolid::DistanceToPolygonSqr(const G4ThreeVector& p) const
{
G4double dd = DBL_MAX;
for (G4int i=0, k=fNv-1; i<fNv; k=i++)
{
G4double ix = p.x() - fPolygon[i].x();
G4double iy = p.y() - fPolygon[i].y();
G4double u = fPlanes[i].a*iy - fPlanes[i].b*ix;
if (u < 0)
{
G4double tmp = ix*ix + iy*iy;
if (tmp < dd) dd = tmp;
}
else if (u > fLengths[i])
{
G4double kx = p.x() - fPolygon[k].x();
G4double ky = p.y() - fPolygon[k].y();
G4double tmp = kx*kx + ky*ky;
if (tmp < dd) dd = tmp;
}
else
{
G4double tmp = fPlanes[i].a*p.x() + fPlanes[i].b*p.y() + fPlanes[i].d;
tmp *= tmp;
if (tmp < dd) dd = tmp;
}
}
return dd;
}