StraightTrackAlignment.h

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//
// $Id: StraightTrackAlignment.h,v 1.12 2002/09/10 17:11:18 rhatcher Exp $
//
// StraightTrackAlignment
//
// Package: Alignment
//
// An alignment engine which uses straight tracks to align on a per 
// module basis
//
// Contact: bv@bnl.gov
//
// Created on: Mon Jun 24 12:40:05 2002
//

#ifndef STRAIGHTTRACKALIGNMENT_H
#define STRAIGHTTRACKALIGNMENT_H

#include "UgliGeometry/UgliGeomHandle.h"

#include <list>
#include <map>

class CandTrackHandle;
class ScintModule;
class AlignHists;

class StraightTrackAlignment
{

public:

    typedef std::list<UgliStripHandle> StraightTrack;

    StraightTrackAlignment();
    ~StraightTrackAlignment();


    void Init (UgliGeomHandle& geom_handle, const char* histname=0);
    void AddTrack (const CandTrackHandle& track_handle);

    // accum stats for the given track, return average residual
    double ApplyTrack(StraightTrack st, PlaneView::PlaneView_t view); 

    // Call ApplyTrack on all tracks for the particular view (or both
    // views for no args), return average of average residuals
    double ApplyAllTracks();
    double ApplyAllTracks(PlaneView::PlaneView_t the_view);
    void ApplyAllOffsets(void);

private:

    // copy constructor, assignment:
    StraightTrackAlignment(const StraightTrackAlignment& rhs); // copy constructor
    StraightTrackAlignment& operator=(const StraightTrackAlignment& rhs); // assignment


    ScintModule* LookupScintModule(UgliStripHandle ush);
    double FitTrackLessOne(StraightTrack::iterator lit,
                           StraightTrack::iterator end,
                           StraightTrack::iterator skip);

    std::list<StraightTrack> fTracks[2]; // tracks in alignment data set

    // Lookup from encoded Plane/Module number to the ScintModule
    typedef std::map<PlexScintMdlId, ScintModule*> ScintModuleLookup;
    ScintModuleLookup fSMLookup;
    AlignHists* fHister;
    int fMinPlanes;             // min number of hit planes to use a track
    int fNplanes;
    int fNmdlperplane;
    const char* fHistName;
};                              // end of class StraightTrackAlignment

#endif  // STRAIGHTTRACKALIGNMENT_H

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