New Track Event Model: ITrackProjector.h Source File

00001 #ifndef TRACKINTERFACES_ITRACKPROJECTOR_H 
00002 #define TRACKINTERFACES_ITRACKPROJECTOR_H 1
00003 
00004 // Include files
00005 // -------------
00006 // from Gaudi
00007 #include "GaudiKernel/IAlgTool.h"
00008 
00009 // from CLHEP
00010 #include "CLHEP/Matrix/Matrix.h"
00011 
00012 class State;
00013 class Measurement;
00014 
00015 static const InterfaceID IID_ITrackProjector ( "ITrackProjector", 1, 0 );
00016 
00025 class ITrackProjector : virtual public IAlgTool {
00026 public:
00027   // Return the interface ID
00028   static const InterfaceID& interfaceID() { return IID_ITrackProjector; }
00029 
00032   virtual StatusCode project( const State& state,
00033                               Measurement& meas ) = 0;
00034 
00036   virtual const HepVector& projectionMatrix() const = 0;
00037 
00039   virtual double chi2() const = 0;
00040 
00042   virtual double residual() const = 0;
00043 
00045   virtual double errResidual() const = 0;
00046 
00047 };
00048 
00049 //==============================================================================
00050 //   end of class
00051 //==============================================================================
00052 
00053 #endif // TRACKINTERFACES_ITRACKPROJECTOR_H