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geant4/source/geometry/solids/BREPS/src/G4Line.cc
T
2016-06-08 15:09:25 +02:00

53 lines
1.1 KiB
C++

// This code implementation is the intellectual property of
// the RD44 GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4Line.cc,v 1.3 1999/05/20 09:35:35 sgiani Exp $
// GEANT4 tag $Name: geant4-00-01 $
//
#include "G4Line.hh"
G4Line::G4Line (){}
G4Line::~G4Line (){}
G4Curve* G4Line::Project(const G4Transform3D& tr)
{
G4Vector3D newDir= tr*dir;
if (abs(newDir.x())+abs(newDir.y()) < kCarTolerance){
newDir.setX(kCarTolerance);
newDir.setY(kCarTolerance);
};
G4Point3D newPnt= tr*pnt;
newDir.setZ(0);
newPnt.setZ(0);
G4Line* r= new G4Line();
// L. Broglia : terrible mistake !!!!
//r->Init(newDir, newPnt);
r->Init(newPnt, newDir);
r->SetBounds(GetPStart(), GetPEnd());
return r;
}
////////////////////////////////////////////////////////////////////////////
G4bool G4Line::Tangent(G4CurvePoint& cp, G4Vector3D& vec)
{
if(GetSameSense())
vec = -dir;
else
vec = dir;
return true;
}