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00001 #ifndef _CR_VOLUMEMULTIPLESCATTERINGESTIMATOR_H_
00002 #define _CR_VOLUMEMULTIPLESCATTERINGESTIMATOR_H_
00003 
00010 #include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
00011 #include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"
00012 #include "TrackingTools/MaterialEffects/interface/VolumeMaterialEffectsEstimator.h"
00013 
00014 class VolumeMaterialEffectsEstimate;
00015 class VolumeMediumProperties;
00016 
00017 class VolumeMultipleScatteringEstimator : public VolumeMaterialEffectsEstimator
00018 {  
00019 public:
00021   VolumeMultipleScatteringEstimator ( float mass ) :
00022     VolumeMaterialEffectsEstimator(mass) {}
00023   
00024   virtual ~VolumeMultipleScatteringEstimator () {}
00025 
00027   virtual VolumeMaterialEffectsEstimate estimate (const TrajectoryStateOnSurface refTSOS,
00028                                                   double pathLength,
00029                                                   const VolumeMediumProperties& medium) const;
00030 
00031   virtual VolumeMultipleScatteringEstimator* clone()  const;
00032 };
00033 
00034 #endif