#include <EcalTBHodoscopeRecInfoAlgo.h>

Classes
class	BeamTrack
	Class to hold track information. More...

Public Member Functions
	EcalTBHodoscopeRecInfoAlgo ()

	EcalTBHodoscopeRecInfoAlgo (int fitMethod, const std::vector< double > &planeShift, const std::vector< double > &zPosition)

EcalTBHodoscopeRecInfo	reconstruct (const EcalTBHodoscopeRawInfo &hodoscopeRawInfo) const

	~EcalTBHodoscopeRecInfoAlgo ()

Private Member Functions
void	clusterPos (float &x, float &xQuality, const int &ipl, const int &xclus, const int &wclus) const

void	fitHodo (float &x, float &xQuality, const int &ipl, const int &nclus, const std::vector< int > &xclus, const std::vector< int > &wclus) const

void	fitLine (float &x, float &xSlope, float &xQuality, const int &ipl1, const int &nclus1, const std::vector< int > &xclus1, const std::vector< int > &wclus1, const int &ipl2, const int &nclus2, const std::vector< int > &xclus2, const std::vector< int > &wclus2) const

Private Attributes
int	fitMethod_

EcalTBHodoscopeGeometry *	myGeometry_

std::vector< double >	planeShift_

std::vector< double >	zPosition_

Detailed Description

Definition at line 11 of file EcalTBHodoscopeRecInfoAlgo.h.

Constructor & Destructor Documentation

◆ EcalTBHodoscopeRecInfoAlgo() [1/2]

EcalTBHodoscopeRecInfoAlgo::EcalTBHodoscopeRecInfoAlgo ( )

◆ EcalTBHodoscopeRecInfoAlgo() [2/2]

EcalTBHodoscopeRecInfoAlgo::EcalTBHodoscopeRecInfoAlgo	(	int	fitMethod,
		const std::vector< double > &	planeShift,
		const std::vector< double > &	zPosition
	)

explicit

Definition at line 6 of file EcalTBHodoscopeRecInfoAlgo.cc.

     : fitMethod_(fitMethod), planeShift_(planeShift), zPosition_(zPosition) {
   myGeometry_ = new EcalTBHodoscopeGeometry();
 }

References myGeometry_.

◆ ~EcalTBHodoscopeRecInfoAlgo()

EcalTBHodoscopeRecInfoAlgo::~EcalTBHodoscopeRecInfoAlgo ( )

inline

Definition at line 19 of file EcalTBHodoscopeRecInfoAlgo.h.

                                 {
     if (myGeometry_)
       delete myGeometry_;
   };

References myGeometry_.

Member Function Documentation

◆ clusterPos()

void EcalTBHodoscopeRecInfoAlgo::clusterPos	(	float &	x,
		float &	xQuality,
		const int &	ipl,
		const int &	xclus,
		const int &	wclus
	)		const

private

Definition at line 13 of file EcalTBHodoscopeRecInfoAlgo.cc.

                                                                                          {
   if (width == 1) {
     // Single fiber
     x = (myGeometry_->getFibreLp(ipl, xclus) + myGeometry_->getFibreRp(ipl, xclus)) / 2.0 - planeShift_[ipl];
     xQuality = (myGeometry_->getFibreRp(ipl, xclus) - myGeometry_->getFibreLp(ipl, xclus));
   } else if (width == 2) {
     // Two half overlapped fibers
     x = (myGeometry_->getFibreLp(ipl, xclus + 1) + myGeometry_->getFibreRp(ipl, xclus)) / 2.0 - planeShift_[ipl];
     xQuality = (myGeometry_->getFibreRp(ipl, xclus) - myGeometry_->getFibreLp(ipl, xclus + 1));
   } else {
     // More then two fibers case
     x = (myGeometry_->getFibreLp(ipl, xclus) + myGeometry_->getFibreRp(ipl, xclus + width - 1)) / 2.0 -
         planeShift_[ipl];
     xQuality = (myGeometry_->getFibreRp(ipl, xclus + width - 1) - myGeometry_->getFibreLp(ipl, xclus));
   }
 }

References EcalTBHodoscopeGeometry::getFibreLp(), EcalTBHodoscopeGeometry::getFibreRp(), myGeometry_, planeShift_, ApeEstimator_cff::width, and x.

Referenced by fitHodo(), and fitLine().

◆ fitHodo()

void EcalTBHodoscopeRecInfoAlgo::fitHodo	(	float &	x,
		float &	xQuality,
		const int &	ipl,
		const int &	nclus,
		const std::vector< int > &	xclus,
		const std::vector< int > &	wclus
	)		const

private

Definition at line 31 of file EcalTBHodoscopeRecInfoAlgo.cc.

                                                                             {
   if (nclus == 1) {
     // Fill real x as mean position inside the cluster
     // Quality - width of cluster
     // To calculate sigma one can do sigma=sqrt(Quality**2/12.0)
     clusterPos(x, xQuality, ipl, xclus[0], wclus[0]);
   } else {
     xQuality = -10 - nclus;
   }
 }

References clusterPos(), and x.

Referenced by fitLine(), and reconstruct().

◆ fitLine()

void EcalTBHodoscopeRecInfoAlgo::fitLine	(	float &	x,
		float &	xSlope,
		float &	xQuality,
		const int &	ipl1,
		const int &	nclus1,
		const std::vector< int > &	xclus1,
		const std::vector< int > &	wclus1,
		const int &	ipl2,
		const int &	nclus2,
		const std::vector< int > &	xclus2,
		const std::vector< int > &	wclus2
	)		const

private

Definition at line 47 of file EcalTBHodoscopeRecInfoAlgo.cc.

                                                                              {
   if (nclus1 == 0) {  // Fit with one plane
     fitHodo(x, xQuality, ipl2, nclus2, xclus2, wclus2);
     xSlope = 0.0;  //?? Should we put another number indicating that is not fitted
     return;
   }
   if (nclus2 == 0) {  // Fit with one plane
     fitHodo(x, xQuality, ipl1, nclus1, xclus1, wclus1);
     xSlope = 0.0;  //?? Should we put another number indicating that is not fitted
     return;
   }
  
   // We have clusters in both planes
  
   float x1, x2, xQ1, xQ2;
   float xs, x0, xq;
  
   std::list<BeamTrack> tracks;
  
   for (int i1 = 0; i1 < nclus1; i1++) {
     for (int i2 = 0; i2 < nclus2; i2++) {
       clusterPos(x1, xQ1, ipl1, xclus1[i1], wclus1[i1]);
       clusterPos(x2, xQ2, ipl2, xclus2[i2], wclus2[i2]);
  
       xs = (x2 - x1) / (zPosition_[ipl2] - zPosition_[ipl1]);               // slope
       x0 = ((x2 + x1) - xs * (zPosition_[ipl2] + zPosition_[ipl1])) / 2.0;  // x0
       xq = (xQ1 + xQ2) / 2.0;                                               // Quality, how i can do better ?
       tracks.push_back(BeamTrack(x0, xs, xq));
     }
   }
  
   // find track with minimal slope
   tracks.sort();
  
   // Return results
   x = tracks.begin()->x;
   xSlope = tracks.begin()->xS;
   xQuality = tracks.begin()->xQ;
 }

References clusterPos(), fitHodo(), testProducerWithPsetDescEmpty_cfi::i1, testProducerWithPsetDescEmpty_cfi::i2, PDWG_EXOHSCP_cff::tracks, x, testProducerWithPsetDescEmpty_cfi::x1, testProducerWithPsetDescEmpty_cfi::x2, and zPosition_.

Referenced by reconstruct().

◆ reconstruct()

EcalTBHodoscopeRecInfo EcalTBHodoscopeRecInfoAlgo::reconstruct ( const EcalTBHodoscopeRawInfo & hodoscopeRawInfo ) const

Fit 0

Fit 1

Fit 2

Definition at line 97 of file EcalTBHodoscopeRecInfoAlgo.cc.

                                                                                                                    {
   // Reset Hodo data
   float x, y = -100.0;
   float xSlope, ySlope = 0.0;
   float xQuality, yQuality = -100.0;
  
   int nclus[4];
   std::vector<int> xclus[4];
   std::vector<int> wclus[4];
  
   for (int ipl = 0; ipl < myGeometry_->getNPlanes(); ipl++) {
     int nhits = hodoscopeRawInfo[ipl].numberOfFiredHits();
     // Finding clusters
     nclus[ipl] = 0;
     if (nhits > 0) {
       int nh = nhits;
       int first = 0;
       int last = 0;
       while (nh > 0) {
         while (hodoscopeRawInfo[ipl][first] == 0)
           first++;  // start
         last = first + 1;
         nh--;
         do {
           while (last < myGeometry_->getNFibres() && hodoscopeRawInfo[ipl][last]) {
             last++;
             nh--;
           }                                                                               //end
           if (last + 1 < myGeometry_->getNFibres() && hodoscopeRawInfo[ipl][last + 1]) {  //Skip 1 fibre hole
             last += 2;
             nh--;
             //std::cout << "Skip fibre " << ipl << " " << first << " "<< last << std::endl;
           } else {
             break;
           }
         } while (nh > 0 && last < myGeometry_->getNFibres());
         wclus[ipl].push_back(last - first);
         xclus[ipl].push_back(first);  // Left edge !!!
         nclus[ipl]++;
  
         first = last + 1;
       }
     }
     //    printClusters(ipl);
   }
  
   // Straight line fit for one axis
   if (fitMethod_ == 0) {
     fitLine(x,
             xSlope,
             xQuality,
             0,
             nclus[0],
             xclus[0],
             wclus[0],  // X1
             2,
             nclus[2],
             xclus[2],
             wclus[2]);  // X2
     fitLine(y,
             ySlope,
             yQuality,
             1,
             nclus[1],
             xclus[1],
             wclus[1],  // Y1
             3,
             nclus[3],
             xclus[3],
             wclus[3]);  // Y2
   } else if (fitMethod_ == 1) {
     // x1 and y2 hodoscope
     fitHodo(x, xQuality, 0, nclus[0], xclus[0], wclus[0]);  // X1
     //   if ( xQuality[1] < 0.0 ) {
     //     printFibres(0);
     //     printClusters(0);
     //   }
     fitHodo(y, yQuality, 1, nclus[1], xclus[1], wclus[1]);  // Y1
     //   if ( yQuality[1] < 0.0 ) {
     //     printFibres(1);
     //     printClusters(1);
     //   }
   } else if (fitMethod_ == 2) {
     //x2 and y2 hodoscope
     fitHodo(x, xQuality, 2, nclus[2], xclus[2], wclus[2]);  // X2
     //   if ( xQuality[2] < 0.0 ) {
     //     printFibres(2);
     //     printClusters(2);
     //   }
     fitHodo(y, yQuality, 3, nclus[3], xclus[3], wclus[3]);  // Y2
     //   if ( yQuality[2] < 0.0 ) {
     //     printFibres(3);
     //     printClusters(3);
     //   }
   }
  
   return EcalTBHodoscopeRecInfo(x, y, xSlope, ySlope, xQuality, yQuality);
 }