/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/CalibTracker/SiStripLorentzAngle/src/LA_Filler.cc

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#include "CalibTracker/SiStripLorentzAngle/interface/LA_Filler_Fitter.h"
#include "CalibTracker/SiStripCommon/interface/TTREE_FOREACH_ENTRY.hh"

#include <cmath>
#include <boost/lexical_cast.hpp>

void LA_Filler_Fitter::
fill(TTree* tree, Book& book) const {
  TTREE_FOREACH_ENTRY(tree) {
    TFE_MAX(maxEvents_);
    TFE_PRINTSTATUS;
    std::vector<unsigned> PLEAF( tsostrackmulti , tree );
    std::vector<unsigned> PLEAF( clusterdetid , tree );
    std::vector<unsigned> PLEAF( clusterwidth , tree );
    std::vector<float>    PLEAF( clustervariance , tree );
    std::vector<float>    PLEAF( tsosdriftx , tree );
    std::vector<float>    PLEAF( tsosdriftz , tree );
    std::vector<float>    PLEAF( tsoslocaltheta , tree );
    std::vector<float>    PLEAF( tsoslocalphi , tree );
    std::vector<float>    PLEAF( tsosglobalZofunitlocalY , tree );

    const unsigned N(clusterdetid.size());
    std::vector<float> BdotY(N,0); if(!ensembleBins_) { std::vector<float> PLEAF( tsosBdotY , tree ); swap(BdotY, tsosBdotY); }
    std::vector<float> localy(N,0); if(localYbin_) { std::vector<float> PLEAF( tsoslocaly , tree ); swap(localy, tsoslocaly);}
    std::vector<unsigned> seedstrip(N,0); if(stripsPerBin_) { std::vector<unsigned> PLEAF( clusterseedstrip , tree ); swap(seedstrip, clusterseedstrip);}

    for(unsigned i=0; i<N ; i++) {

      const SiStripDetId detid(clusterdetid[i]);
      if( tsostrackmulti[i] != 1 || ( detid.subDetector()!=SiStripDetId::TIB && 
                                      detid.subDetector()!=SiStripDetId::TOB)    )  continue;

      const int sign = tsosglobalZofunitlocalY[i] < 0 ? -1 : 1;
      const float tthetaL = sign * tsosdriftx[i] / tsosdriftz[i];
      const float tthetaT = sign * tan(tsoslocaltheta[i]) * cos(tsoslocalphi[i]);
  
      fill_one_cluster( book, 
                        granularity(detid, tthetaL, TFE_index, localy[i], seedstrip[i]%128),
                        clusterwidth[i], clustervariance[i], tthetaL, tthetaT, fabs(BdotY[i]) );
    }
  }
}

void LA_Filler_Fitter::
fill_one_cluster( Book& book, 
                  const poly<std::string>& gran,
                  const unsigned width, const float variance, const float tthetaL, const float tthetaT,  const float BdotY ) const 
{
  book.fill( tthetaL,                   gran+"_reconstruction", 360,-1.0,1.0 );
  book.fill( tthetaT-tthetaL,           gran+ allAndOne(width), 360,-1.0,1.0 );
  book.fill( tthetaT-tthetaL, variance, gran+  varWidth(width), 360,-1.0,1.0 );
  if(methods_ & WIDTH) book.fill( tthetaT, width, gran+method(WIDTH), 81,-0.6,0.6 );
  if(!ensembleBins_) {
    book.fill( BdotY, gran+"_field", 101,1,5);
    book.fill( width, gran+"_width", 10,0,10);
  }
}

poly<std::string> LA_Filler_Fitter::
allAndOne(const unsigned width) const 
{ poly<std::string> a1("_all"); if(width==1) a1*="_w1"; return a1;}

poly<std::string> LA_Filler_Fitter::
varWidth(const unsigned width) const { 
  poly<std::string> vw; vw++; 
  if(width==2 && methods_ & (AVGV2|RMSV2) ) vw*=method(AVGV2,0);
  if(width==3 && methods_ & (AVGV3|RMSV3) ) vw*=method(AVGV3,0);
  return vw;
}

poly<std::string> LA_Filler_Fitter::
granularity(const SiStripDetId detid, const float tthetaL, const Long64_t TFE_index, const float localy, const unsigned apvstrip) const {
  poly<std::string> gran;
  gran += subdetLabel(detid);
  if(byLayer_)  gran *= layerLabel(detid);
  if(byModule_) gran *= moduleLabel(detid);
  if(localYbin_) gran += (localy < 0 ? "_yM":"_yP") + boost::lexical_cast<std::string>(abs((int)(localy/localYbin_+(localy<0?-1:0))));
  if(stripsPerBin_) gran += "_strip"+boost::lexical_cast<std::string>((unsigned)((0.5+((apvstrip/64)?(127-apvstrip):apvstrip)/stripsPerBin_)*stripsPerBin_) );
  if(ensembleBins_) {
    gran+= "_ensembleBin"+boost::lexical_cast<std::string>((int)(ensembleBins_*(tthetaL-ensembleLow_)/(ensembleUp_-ensembleLow_)));
    gran+= "";
    if(ensembleSize_) gran*= "_sample"+boost::lexical_cast<std::string>(TFE_index % ensembleSize_);
  }
  return gran;
}

std::string LA_Filler_Fitter::
subdetLabel(const SiStripDetId detid) { return detid.subDetector()==SiStripDetId::TOB? "TOB" : "TIB";}
std::string LA_Filler_Fitter::
moduleLabel(const SiStripDetId detid) { return subdetLabel(detid) + "_module"+boost::lexical_cast<std::string>(detid());}
std::string LA_Filler_Fitter::
layerLabel(const SiStripDetId detid) {
  unsigned layer = detid.subDetector() == SiStripDetId::TOB ? TOBDetId(detid()).layer() : TIBDetId(detid()).layer();
  return subdetLabel(detid)+"_layer"+boost::lexical_cast<std::string>(layer)+(detid.stereo()?"s":"a");
}