00001 #ifndef TRKERNEL_ITREXTRAPOLATOR_H
00002 #define TRKERNEL_ITREXTRAPOLATOR_H
00003
00004 #include "GaudiKernel/IAlgTool.h"
00005 #include "CLHEP/Matrix/Matrix.h"
00006 #include "CLHEP/Geometry/Plane3D.h"
00007 #include "Kernel/ParticleID.h"
00008
00009 class TrTrack;
00010 class TrState;
00011
00012 static const InterfaceID IID_ITrExtrapolator( "ITrExtrapolator" , 1, 0 );
00013
00026 class ITrExtrapolator: virtual public IAlgTool {
00027 public:
00029 static const InterfaceID& interfaceID() { return IID_ITrExtrapolator; }
00030
00032 virtual StatusCode propagate( TrState* state,
00033 ParticleID partId = ParticleID(211)) = 0;
00034
00036 virtual StatusCode propagate( TrState* state,
00037 HepPlane3D plane,
00038 ParticleID partId = ParticleID(211)) = 0;
00039
00041 virtual StatusCode propagate( TrState* state,
00042 double z,
00043 ParticleID partId = ParticleID(211)) = 0;
00044
00046 virtual const HepMatrix& transportMatrix() const = 0;
00047
00048 };
00049
00050 #endif // TRKERNEL_ITREXTRAPOLATOR_H
