CSCDQM_StripClusterFinder.cc

Go to the documentation of this file.

#include "CSCDQM_StripClusterFinder.h"

namespace cscdqm {

StripClusterFinder::StripClusterFinder(int l, int s, int cf, int st)
{
//
// Options
//
//  fOpt = new CalibOptions();
    LayerNmb = l;
    TimeSliceNmb = s;
    StripNmb = cf*16;
}
void StripClusterFinder::DoAction(int LayerId, float *Cathodes)
{
  int TimeId,StripId;
  this->LId=LayerId;
  MEStripClusters.clear();
  StripClusterFitData PulseHeightMapTMP;
  
  thePulseHeightMap.clear();
  
  // fill 
  //===========================================================================

  for(StripId=0;StripId<StripNmb;StripId++) { 
    for(TimeId=0;TimeId<TimeSliceNmb;TimeId++) { 
      PulseHeightMapTMP.height_[TimeId]=*(Cathodes+StripNmb*(TimeSliceNmb*LayerId+TimeId)+StripId);
    }
    PulseHeightMapTMP.bx_=0;
    PulseHeightMapTMP.channel_=StripId; // was StripId
    thePulseHeightMap.push_back(PulseHeightMapTMP);
  }
  sort(thePulseHeightMap.begin(),thePulseHeightMap.end(),Sort());
  //===========================================================================
  
  if(!thePulseHeightMap.size()) return;
  SearchMax();
  SearchBorders();
  Match();
  RefindMax();
  /*
  int val;
  for(i=0;i<MEStripClusters.size();i++){
    val=MEStripClusters[i].LFTBNDStrip;
    MEStripClusters[i].LFTBNDStrip=thePulseHeightMap[val].channel_;
    val=MEStripClusters[i].IRTBNDStrip;
    MEStripClusters[i].IRTBNDStrip=thePulseHeightMap[val].channel_;
    for(j=0;j<MEStripClusters[i].localMax.size();j++){
      val=MEStripClusters[i].localMax[j].Strip;
      MEStripClusters[i].localMax[j].Strip=thePulseHeightMap[val].channel_;
    }
  }
  */

  float sumstrip;
  float sumtime;
  float sumheight;

  for(i=0;i<MEStripClusters.size();i++){
    MEStripClusters[i].ClusterPulseMapHeight.clear();
    for(j=0;j<thePulseHeightMap.size();j++){
      if(thePulseHeightMap[j].channel_ >= MEStripClusters[i].LFTBNDStrip && 
     thePulseHeightMap[j].channel_ <= MEStripClusters[i].IRTBNDStrip) 
    MEStripClusters[i].ClusterPulseMapHeight.push_back(thePulseHeightMap[j]);
    }
    sumstrip=0;
    sumtime=0;
    sumheight=0;
    for(uint32_t k=0;k<MEStripClusters[i].ClusterPulseMapHeight.size();k++){
      for(int l=0;l<16;l++){
    sumstrip+=
      MEStripClusters[i].ClusterPulseMapHeight[k].height_[l]*
      (MEStripClusters[i].ClusterPulseMapHeight[k].channel_+1);
    sumtime+=
      MEStripClusters[i].ClusterPulseMapHeight[k].height_[l]*(l+1);
    sumheight+=
      MEStripClusters[i].ClusterPulseMapHeight[k].height_[l];
      }
    }
    if (sumheight) {
        MEStripClusters[i].Mean[0]=sumstrip/sumheight;
        MEStripClusters[i].Mean[1]=sumtime/sumheight;
    }
  }
//  printClusters();
  return;
}

void StripClusterFinder::SearchMax(void)
{
  StripCluster tmpCluster;
  for(i=1;i<(thePulseHeightMap.size()-1);i++){
    if(thePulseHeightMap[i].channel_==63 || thePulseHeightMap[i].channel_==64) continue; 
    for(j=1;j<15;j++){
      if(thePulseHeightMap[i].height_[j]>thePulseHeightMap[i-1].height_[j  ] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i+1].height_[j  ] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i  ].height_[j-1] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i  ].height_[j+1] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i-1].height_[j-1] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i-1].height_[j+1] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i+1].height_[j-1] &&
     thePulseHeightMap[i].height_[j]>thePulseHeightMap[i+1].height_[j+1]) {
    
    tmpCluster.localMax.clear();
    localMaxTMP.Strip = i;
    localMaxTMP.Time = j;
    tmpCluster.localMax.push_back(localMaxTMP);
        tmpCluster.LayerId   = this->LId;
    tmpCluster.LFTBNDTime   = -100;
        tmpCluster.LFTBNDStrip  = -100;
    tmpCluster.IRTBNDTime   = -100;
        tmpCluster.IRTBNDStrip  = -100;      
    MEStripClusters.push_back(tmpCluster);
      }
    }
  }
  return;
}
void StripClusterFinder::SearchBorders(void)
{
  uint32_t iS,iT,iL,jL,iR,jR;
  
  //              SEARCHING PARAMETERS OF THE CLASTERS (LEFT DOWN & RIGHT UP)
  
  for(i=0;i<MEStripClusters.size();i++){
    if(!MEStripClusters[i].localMax.size()) {
      std::cout<<"!!!Warning Cluster has'nt local Maxima"<<std::endl;
      continue;
    }
    iS=MEStripClusters[i].localMax[0].Strip;
    iT=MEStripClusters[i].localMax[0].Time;
    //              LEFT DOWN 
    // strip
    MEStripClusters[i].LFTBNDStrip=0;
    for(iL=iS-1;iL>0;iL--) {
      if(thePulseHeightMap[iL].channel_==64) {
    MEStripClusters[i].LFTBNDStrip=iL;
    break;
      }
      if(thePulseHeightMap[iL].height_[iT]==0.) {
    MEStripClusters[i].LFTBNDStrip=iL+1;
    break;
      }
    }
    //time
    MEStripClusters[i].LFTBNDTime=0;
    for(jL=iT-1;jL>0;jL--){         
      if(thePulseHeightMap[iS].height_[jL]==0.){
    MEStripClusters[i].LFTBNDTime=jL+1;
    break;
      }
    }
    //              RIGHT UP
    //strip
    MEStripClusters[i].IRTBNDStrip=thePulseHeightMap.size()-1;
    for(iR=iS+1;iR<thePulseHeightMap.size();iR++){
      if(thePulseHeightMap[iR].channel_==63){
    MEStripClusters[i].IRTBNDStrip=iR;
    break;
      }
      if(thePulseHeightMap[iR].height_[iT]==0.){
    MEStripClusters[i].IRTBNDStrip=iR-1;
    break;
      }
    }
    //time
    MEStripClusters[i].IRTBNDTime=15; 
    for(jR=iT+1;jR<16;jR++){
      if(thePulseHeightMap[iS].height_[jR]==0.){
    MEStripClusters[i].IRTBNDTime=jR-1;
    break;
      }
    }
  }
  return;
}
    
void StripClusterFinder::Match(void)
{
  //              MATCHING THE OVERLAPING CLASTERS
  bool find2match;
  find2match=true;
  do {
    find2match=FindAndMatch();
  }while(find2match);
  
  return;
}

bool StripClusterFinder::FindAndMatch(void)
{
  // Find clusters to match
  icstart=0; 
  for(ic1=icstart;ic1<MEStripClusters.size();ic1++){
    IC1MIN=MEStripClusters[ic1].LFTBNDStrip;
    IC1MAX=MEStripClusters[ic1].IRTBNDStrip;
    JC1MIN=MEStripClusters[ic1].LFTBNDTime;
    JC1MAX=MEStripClusters[ic1].IRTBNDTime;
    for(ic2=ic1+1;ic2<MEStripClusters.size();ic2++){
      IC2MIN=MEStripClusters[ic2].LFTBNDStrip;
      IC2MAX=MEStripClusters[ic2].IRTBNDStrip;
      JC2MIN=MEStripClusters[ic2].LFTBNDTime;
      JC2MAX=MEStripClusters[ic2].IRTBNDTime;
      if((IC2MIN>=IC1MIN && IC2MIN<=IC1MAX && 
      JC2MIN>=JC1MIN && JC2MIN<=JC1MAX    ) || 
     (IC2MIN>=IC1MIN && IC2MIN<=IC1MAX && 
      JC2MAX>=JC1MIN && JC2MAX<=JC1MAX    ) || 
     (IC2MAX>=IC1MIN && IC2MAX<=IC1MAX && 
      JC2MIN>=JC1MIN && JC2MIN<=JC1MAX    ) || 
     (IC2MAX>=IC1MIN && IC2MAX<=IC1MAX && 
      JC2MAX>=JC1MIN && JC2MAX<=JC1MAX    )    ){
    KillCluster();
    return true;
      }
      else {
    if((IC1MIN>=IC2MIN && IC1MIN<=IC2MAX && 
        JC1MIN>=JC2MIN && JC1MIN<=JC2MAX ) || 
       (IC1MIN>=IC2MIN && IC1MIN<=IC2MAX && 
        JC1MAX>=JC2MIN && JC1MAX<=JC2MAX ) || 
       (IC1MAX>=IC2MIN && IC1MAX<=IC2MAX && 
        JC1MIN>=JC2MIN && JC1MIN<=JC2MAX ) || 
       (IC1MAX>=IC2MIN && IC1MAX<=IC2MAX && 
        JC1MAX>=JC2MIN && JC1MAX<=JC2MAX )    ){
      KillCluster();
      return true;
    }
      }
    }
  }
  return false;
}
void StripClusterFinder::KillCluster(void)
{
  // Match Clusters and kill one of clusters.
  if(IC1MIN<IC2MIN)
    MEStripClusters[ic1].LFTBNDStrip=IC1MIN;
  else
    MEStripClusters[ic1].LFTBNDStrip=IC2MIN;
  if(JC1MIN<JC2MIN)
    MEStripClusters[ic1].LFTBNDTime=JC1MIN;
  else
    MEStripClusters[ic1].LFTBNDTime=JC2MIN;
  if(IC1MAX>IC2MAX)
    MEStripClusters[ic1].IRTBNDStrip=IC1MAX;
  else
    MEStripClusters[ic1].IRTBNDStrip=IC2MAX;
  if(JC1MAX>JC2MAX)
    MEStripClusters[ic1].IRTBNDTime=JC1MAX;
  else
    MEStripClusters[ic1].IRTBNDTime=JC2MAX;

  MEStripClusters.erase(MEStripClusters.begin()+ic2);
  icstart=ic1;

  return;
}
void StripClusterFinder::RefindMax(void)
{
  int iLS,iRS,iLT,iRT;
  int iS,jT;
  int ilocal;
  float GlobalMax;
  bool Erased;
  //             SEARCHING EXTREMUMS IN THE CLASTERS
  
  for(i=0;i<MEStripClusters.size();i++){
    MEStripClusters[i].localMax.clear();
    ilocal=0;
    iLS=MEStripClusters[i].LFTBNDStrip;
    iRS=MEStripClusters[i].IRTBNDStrip;
    iLT=MEStripClusters[i].LFTBNDTime;
    iRT=MEStripClusters[i].IRTBNDTime;
    
    /*
    for(iS=iLS+1;iS<=iRS-1;iS++){ 
      for(jT=iLT+1;jT<=iRT-1;jT++){
    */
    for(iS=iLS;iS<=iRS;iS++){ 
      if(thePulseHeightMap[iS].channel_==63 || thePulseHeightMap[iS].channel_==64) continue; 
      for(jT=iLT;jT<=iRT;jT++){
    if(iS==0 || jT ==0 || iS==79 || jT==7) continue;
    if(thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS-1].height_[jT  ] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS+1].height_[jT  ] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS  ].height_[jT-1] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS  ].height_[jT+1] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS-1].height_[jT-1] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS-1].height_[jT+1] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS+1].height_[jT-1] &&
       thePulseHeightMap[iS].height_[jT]>thePulseHeightMap[iS+1].height_[jT+1]) {
      localMaxTMP.Strip=iS;
      localMaxTMP.Time=jT;
      MEStripClusters[i].localMax.push_back(localMaxTMP);
      ilocal++;
    }
      }
    }               
    // kill local maximums rellated to noise, maximums with pulse height less then 10% of Global max of clust.
    //fing Global Max
    GlobalMax=0;
    if(MEStripClusters[i].localMax.size()) {
      //std::cout << "Cluster: " << i << " Number of local maximums before erase: " 
      //        << MEStripClusters[i].localMax.size() << std::endl; 
      for(j=0;j<MEStripClusters[i].localMax.size();j++){
    iS=MEStripClusters[i].localMax[j].Strip;
    jT=MEStripClusters[i].localMax[j].Time;
    /*
      std::cout << "Current Max:" 
      << " " << iS
      << " " << jT
      << " " << thePulseHeightMap[iS].height_[jT] << std::endl;
    */
    if(thePulseHeightMap[iS].height_[jT]>GlobalMax)
      GlobalMax=thePulseHeightMap[iS].height_[jT];
      }
      GlobalMax=(float) (GlobalMax/10.); 
      //erase noise localMaximums
      do{
    Erased=false;
    for(j=0;j<MEStripClusters[i].localMax.size();j++){
      iS=MEStripClusters[i].localMax[j].Strip;
      jT=MEStripClusters[i].localMax[j].Time;
      if(thePulseHeightMap[iS].height_[jT]<GlobalMax){
        MEStripClusters[i].localMax.erase(MEStripClusters[i].localMax.begin()+j);
        Erased=true;
        break;
      }
    }
      } while(Erased);

      //debug outs
      //std::cout << "Cluster: " << i << " Number of local maximums: " 
      //    << MEStripClusters[i].localMax.size() << std::endl; 
      /*
      for(j=0;j<MEStripClusters[i].localMax.size();j++){
    iS=MEStripClusters[i].localMax[j].Strip;
    jT=MEStripClusters[i].localMax[j].Time;
    std::cout << "Local Max: " << j << " Strip: " << iS << " Time: " << jT 
          << " Height: " << thePulseHeightMap[iS].height_[jT] 
          << " Cut Value: " << GlobalMax << std::endl;
      }
      */
    }
  }
  return;
}
void StripClusterFinder::printClusters(void)
{
  int iS,jT;
  std::cout << "====================================================================" << std::endl; 
  std::cout << "debug information from StripClusterFinder" << std::endl;    
  for(i=0;i<MEStripClusters.size();i++){
    if(!MEStripClusters[i].localMax.size()) continue;
    std::cout << " Cluster: " << i+1 
          << " Number of local Maximums " <<  MEStripClusters[i].localMax.size() << std::endl;
    for(j=0;j<MEStripClusters[i].localMax.size();j++){
      iS=MEStripClusters[i].localMax[j].Strip;
      jT=MEStripClusters[i].localMax[j].Time;

      //      std::cout << "Local Max: " << j << " Strip: " << iS << " Time: " << jT << std::endl;
      for(uint32_t k=0;k<MEStripClusters[i].ClusterPulseMapHeight.size();k++){
    if(MEStripClusters[i].ClusterPulseMapHeight[k].channel_==iS)
      std::cout << "Local Max: " << j+1 << " Strip: " << iS+1 << " Time: " << jT+1 
                << " Height: " << MEStripClusters[i].ClusterPulseMapHeight[k].height_[jT] << std::endl;
      }
    }
    for(uint32_t k=0;k<MEStripClusters[i].ClusterPulseMapHeight.size();k++){
      std::cout << "Strip: " << MEStripClusters[i].ClusterPulseMapHeight[k].channel_+1;
      for(int l=0;l<16;l++)
    std::cout << " " << MEStripClusters[i].ClusterPulseMapHeight[k].height_[l];
      std::cout << std::endl;
    }

    std::cout << " Left  Top    corner strip: " << MEStripClusters[i].LFTBNDStrip+1 << " " 
          << " time: " << MEStripClusters[i].LFTBNDTime+1 << std::endl; 
    std::cout << " Right Bottom corner strip: " << MEStripClusters[i].IRTBNDStrip+1 << " " 
          << " time: " << MEStripClusters[i].IRTBNDTime+1 << std::endl; 
  }
 std::cout << "======================================================================" << std::endl;    
   return;
}
bool  StripClusterFinder::Sort::operator()(const StripClusterFitData& a , const StripClusterFitData& b) const
{return  a.channel_ < b.channel_;}

}