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HoughTrackSR Class Reference

#include <HoughTrackSR.h>

List of all members.

Public Member Functions

 HoughTrackSR ()
 HoughTrackSR (TObjArray candclusterhandlelist)
 HoughTrackSR (const HoughTrackSR &)
 ~HoughTrackSR ()
void SetX0 (Double_t)
void SetZ0 (Double_t)
void SetXRMS (Double_t)
void SetZRMS (Double_t)
void SetSlopeMin (Double_t)
void SetSlopeMax (Double_t)
void SetInterceptMin (Double_t)
void SetInterceptMax (Double_t)
Double_t GetSlopeMin () const
Double_t GetSlopeMax () const
Double_t GetInterceptMin () const
Double_t GetInterceptMax () const
Int_t GetNBin () const
Int_t GetNPeak () const
Int_t GetMaxBin ()
void SetMaxBin (Int_t i)
Double_t GetPeakSlope (Int_t=0) const
Double_t GetPeakIntercept (Int_t=0) const
Int_t GetPeakBin (Int_t=0) const
Int_t GetLargestPeakIndex () const
void SetPeakMin (Int_t)
void SetPeakMinFrac (Double_t)
void SetPeakMinFracZoom (Double_t)
void SetMinInterBinSize (Double_t)
void SetClusterList (TObjArray candclusterhandlelist)
TObjArray Iterate ()
void Print (Option_t *option="") const

Private Member Functions

void FillHough ()
Double_t GetSlope (Int_t) const
Double_t GetInter (Int_t) const

Private Attributes

Int_t fMaxBin
Double_t fXZmean [2]
Double_t fXZrms [2]
Double_t fSlopeLim [2]
Double_t fInterLim [2]
Double_t fDSlope
Double_t fDInter
TObjArray * fClusterList
Int_t fPeakMin
Double_t fPeakMinFrac
Double_t fPeakMinFracZoom
Double_t fMinInterBinSize
Int_t fNBinMax
Int_t fNBinCut
Int_t fHough [fNBin][fNBin]
Int_t fMaxHoughBin [fNBin][fNBin][2]
Int_t fNPeak
Int_t fNMaxima
Bool_t fFillHough
vector< Int_t > fMPeak
vector< Int_t > fCPeak
vector< Int_t > fIPeak
vector< Double_t > fSlopePeak

Static Private Attributes

const Int_t fNBin = 40

Constructor & Destructor Documentation

HoughTrackSR::HoughTrackSR (   ) 
 

Definition at line 83 of file HoughTrackSR.cxx.

References fFillHough, fInterLim, fMaxBin, fMinInterBinSize, fPeakMin, fPeakMinFrac, fPeakMinFracZoom, and fSlopeLim.

Referenced by Iterate().

00084 {
00085   fSlopeLim[0] = -20.;
00086   fSlopeLim[1] =  21.;
00087   fInterLim[0] = -10.;
00088   fInterLim[1] =  11.;
00089   fMaxBin=40;
00090   fPeakMin = 4;
00091   fPeakMinFrac = .5;
00092   fPeakMinFracZoom = .75;
00093   fMinInterBinSize = .02;
00094   fFillHough = kFALSE;
00095 }

HoughTrackSR::HoughTrackSR (  TObjArray  candclusterhandlelist  ) 
 

Definition at line 25 of file HoughTrackSR.cxx.

00026 {
00027   fSlopeLim[0] = -20.;
00028   fSlopeLim[1] =  21.;
00029   fInterLim[0] = -10.;
00030   fInterLim[1] =  11.;
00031   fMaxBin=40;
00032   fPeakMin = 4;
00033   fPeakMinFrac = .25;
00034   fPeakMinFracZoom = .75;
00035   fMinInterBinSize = .02;
00036   fClusterList = new TObjArray(clusterlist);
00037   fFillHough = kFALSE;
00038 }

HoughTrackSR::HoughTrackSR (  const HoughTrackSR &   ) 
 

Definition at line 40 of file HoughTrackSR.cxx.

References fClusterList, fCPeak, fDInter, fDSlope, fFillHough, fHough, fInterLim, fIPeak, fMaxBin, fMaxHoughBin, fMinInterBinSize, fMPeak, fNBinCut, fNBinMax, fNMaxima, fNPeak, fPeakMin, fPeakMinFrac, fPeakMinFracZoom, fSlopeLim, fSlopePeak, fXZmean, and fXZrms.

00040                                                     : TObject(oldHT)
00041 {
00042   fSlopeLim[0] = oldHT.fSlopeLim[0];
00043   fSlopeLim[1] = oldHT.fSlopeLim[1];
00044   fInterLim[0] = oldHT.fInterLim[0];
00045   fInterLim[1] = oldHT.fInterLim[1];
00046   fPeakMin = oldHT.fPeakMin;
00047   fPeakMinFrac = oldHT.fPeakMinFrac;
00048   fPeakMinFracZoom = oldHT.fPeakMinFracZoom;
00049   fMinInterBinSize = oldHT.fMinInterBinSize;
00050   fClusterList = new TObjArray(*(oldHT.fClusterList));
00051   fFillHough = oldHT.fFillHough;
00052 
00053   fXZmean[0] = oldHT.fXZmean[0];
00054   fXZmean[1] = oldHT.fXZmean[1];
00055   fXZrms[0] = oldHT.fXZrms[0];
00056   fXZrms[1] = oldHT.fXZrms[1];
00057   fDSlope = oldHT.fDSlope;
00058   fDInter = oldHT.fDInter;
00059   fMaxBin = oldHT.fMaxBin;
00060   fNBinMax = oldHT.fNBinMax;
00061   fNBinCut = oldHT.fNBinCut;
00062 
00063   for (Int_t im=0; im<fNBin; im++) {
00064     for (Int_t ic=0; ic<fNBin; ic++) {
00065       fHough[im][ic] = oldHT.fHough[im][ic];
00066       fMaxHoughBin[im][ic][0] = oldHT.fMaxHoughBin[im][ic][0];
00067       fMaxHoughBin[im][ic][1] = oldHT.fMaxHoughBin[im][ic][1];
00068     }
00069   }
00070 
00071   fNPeak = oldHT.fNPeak;
00072   fNMaxima = oldHT.fNMaxima;
00073 
00074   for (Int_t i=0; i<fNMaxima; i++) {
00075     fMPeak.push_back(oldHT.fMPeak[i]);
00076     fCPeak.push_back(oldHT.fCPeak[i]);
00077     fIPeak.push_back(oldHT.fIPeak[i]);
00078     fSlopePeak.push_back(oldHT.fSlopePeak[i]);
00079   }
00080 
00081 }

HoughTrackSR::~HoughTrackSR (   ) 
 

Definition at line 97 of file HoughTrackSR.cxx.

00098 {
00099   if (fClusterList) {
00100     delete fClusterList;
00101   }
00102 }

Member Function Documentation

void HoughTrackSR::FillHough (   )  [private]
 

Definition at line 109 of file HoughTrackSR.cxx.

References abs(), fClusterList, fCPeak, fDInter, fDSlope, fFillHough, fHough, fInterLim, fIPeak, fMaxHoughBin, fMPeak, fNBin, fNBinMax, fNMaxima, fNPeak, fPeakMin, fSlopeLim, fSlopePeak, fXZmean, TrackClusterSR::GetTPos(), TrackClusterSR::GetZPos(), min, and LinearFit::Weighted().

Referenced by Iterate().

00110 {
00111   fFillHough = kTRUE;
00112 
00113   fDSlope = fSlopeLim[1]-fSlopeLim[0];
00114   fDInter = fInterLim[1]-fInterLim[0];
00115   for (int im=0; im<fMaxBin; im++) {
00116     for (int ic=0; ic<fMaxBin; ic++) {
00117       fHough[im][ic] = 0;
00118     }
00119   }
00120   fMPeak.erase(fMPeak.begin(),fMPeak.end());
00121   fCPeak.erase(fCPeak.begin(),fCPeak.end());
00122   fIPeak.erase(fIPeak.begin(),fIPeak.end());
00123   fSlopePeak.erase(fSlopePeak.begin(),fSlopePeak.end());
00124   for (int i=0; i<=fClusterList->GetLast(); i++) {
00125     TrackClusterSR *cluster = dynamic_cast<TrackClusterSR*>(fClusterList->At(i));
00126     if (cluster) {
00127       for (int im=0; im<fMaxBin; im++) {
00128         Double_t slope = (Double_t)(im+.5)/(Double_t)fMaxBin*fDSlope+fSlopeLim[0];
00129         Double_t inter = cluster->GetTPos()-fXZmean[0]-slope*(cluster->GetZPos()-fXZmean[1]);
00130         int ic=-1;
00131         if(fDInter!=0){
00132           ic = (int)((inter-fInterLim[0])/fDInter*fMaxBin+.5);
00133         }
00134         if (ic>=0 && ic<fMaxBin) {
00135           fHough[im][ic]++;
00136         }
00137       }
00138     }
00139   }
00140 // find maximum bin
00141   fNBinMax = 0;
00142   fNPeak = 0;
00143   fNMaxima = 0;
00144   for (int im=0; im<fMaxBin; im++) {
00145     for (int ic=0; ic<fMaxBin; ic++) {
00146       if (fHough[im][ic]>fNBinMax) {
00147         fNBinMax = fHough[im][ic];
00148       }
00149       Int_t nmax = fHough[im][ic];
00150       Int_t nmin=10000;
00151       Int_t immax = 0;
00152       Int_t icmax = 0;
00153       for (int im1=-3; im1<=3; im1++) {
00154         for (int ic1=-3; ic1<=3; ic1++) {
00155           if (im+im1>=0 && im+im1<fNBin && ic+ic1>=0 && ic+ic1<fMaxBin && fHough[im+im1][ic+ic1]>nmax) {
00156             nmax = fHough[im+im1][ic+ic1];
00157             immax = im1;
00158             icmax = ic1;
00159           }
00160           if (im+im1>=0 && im+im1<fMaxBin && ic+ic1>=0 && ic+ic1<fMaxBin && fHough[im+im1][ic+ic1]<nmin) nmin=fHough[im+im1][ic+ic1];
00161         }
00162       }
00163       if((nmax-nmin)<fPeakMin){
00164         immax=-40;
00165         icmax=-40;
00166       }
00167       fMaxHoughBin[im][ic][0] = immax;
00168       fMaxHoughBin[im][ic][1] = icmax;
00169     }
00170   }
00171   /*
00172   MSG("HoughTrackSR", Msg::kInfo)  << " MAX -----";
00173   for (int ic=0; ic<fMaxBin; ic++) {
00174           MSG("HoughTrackSR", Msg::kInfo)  << "---";
00175   }
00176   MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00177   for (int im=0; im<fMaxBin; im++) {
00178     printf("%2d | ",im);
00179     for (int ic=0; ic<fMaxBin; ic++) {
00180       printf("%2d/%2d ",fMaxHoughBin[im][ic][0],fMaxHoughBin[im][ic][1] );
00181     }
00182     MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00183   }
00184   */
00185 
00186 // find peak(s)
00187   Int_t nmuon = 0;
00188   Int_t imaxpeak = 0;
00189   for (int im=0; im<fMaxBin; im++) {
00190     for (int ic=0; ic<fMaxBin; ic++) {
00191       if (fHough[im][ic]>=fPeakMin && fMaxHoughBin[im][ic][0]==0 && fMaxHoughBin[im][ic][1]==0) {
00192         int ifound = 0;
00193         for (int imaxima=0; imaxima<fNMaxima; imaxima++) {
00194           if (abs(fMPeak[imaxima]-im)<=3 && abs(fCPeak[imaxima]-ic)<=3) {
00195             if (!ifound) {
00196               ifound = fIPeak[imaxima];
00197             }
00198             else if (ifound!=fIPeak[imaxima]) {
00199               for (int jmaxima=0; jmaxima<fNMaxima; jmaxima++) {
00200                 if (fIPeak[jmaxima]==fIPeak[imaxima]) {
00201                   fIPeak[jmaxima] = ifound;
00202                 }
00203               }
00204             }
00205           }
00206         }
00207  
00208         fMPeak.push_back(im);
00209         fCPeak.push_back(ic);
00210         if (ifound) {
00211           fIPeak.push_back(ifound);
00212         }
00213         else {
00214           nmuon++;
00215           fIPeak.push_back(nmuon);
00216         }
00217         if (!fNMaxima || fHough[im][ic]==fNBinMax) {
00218           imaxpeak = fNMaxima;
00219         }
00220         fNMaxima++;
00221       }
00222     }
00223   }
00224 // calculate slope in hough space
00225   for (int i=0; i<fNMaxima; i++) {
00226     int ic = fCPeak[i];
00227     Double_t xhough[7] = {-3.,-2.,-1.,0.,1.,2.,3.};
00228     Double_t yhough[7] = {0.,0.,0.,0.,0.,0.,0.};
00229     Double_t whough[7] = {0.,0.,0.,0.,0.,0.,0.};
00230     Int_t ncexist=0;
00231     for (int ic1=-3; ic1<=3; ic1++) {
00232       if (ic+ic1>=0 && ic+ic1<fMaxBin) {
00233         for (int im1=0; im1<fMaxBin; im1++) {
00234           yhough[ic1+3] += (Double_t)(im1*fHough[im1][ic+ic1]);
00235           whough[ic1+3] += (Double_t)(fHough[im1][ic+ic1]);
00236         }
00237       }
00238       if (whough[ic1+3]>0.) {
00239         yhough[ic1+3] /= whough[ic1+3];
00240         ncexist++;
00241       }
00242     }
00243     if (ncexist>1) {
00244       Double_t parm[2];
00245       LinearFit::Weighted(7,xhough,yhough,whough,parm);
00246       fSlopePeak.push_back(parm[1]);
00247     } else {
00248       fSlopePeak.push_back(99999.); // no nearby peaks, set to non physical number so that it does not match any other peaks
00249     }
00250   }
00251 
00252 
00253 
00254 // match local maxima, and remove those below threshold
00255   for (int i=0; i<fNMaxima; i++) {
00256     for (int j=0; j<fNMaxima; j++) {
00257       if (i!=j) {
00258         int  avec = (fCPeak[j] + fCPeak[i])/2;
00259         int  avem = (fMPeak[j] + fMPeak[i])/2;
00260         Double_t peakisum = 0;
00261         Double_t peakjsum = 0;
00262         Double_t valleysum = 0;
00263         for (int ij=-1;ij<=1;ij++){
00264           for (int ik=-1;ik<=1;ik++){
00265             if(fMPeak[i]+ij>=0 && fMPeak[i]+ij<fMaxBin && fCPeak[i]+ik>=0 && fCPeak[i]+ik<fMaxBin)  peakisum += fHough[fMPeak[i]+ij][fCPeak[i]+ik];     
00266             if(fMPeak[j]+ij>=0 && fMPeak[j]+ij<fMaxBin && fCPeak[j]+ik>=0 && fCPeak[j]+ik<fMaxBin)   peakjsum +=fHough[fMPeak[j]+ij][fCPeak[j]+ik];
00267             if(avem+ij>=0 && avem+ij<fMaxBin && avec+ik>=0 && avec+ik<fMaxBin) valleysum += fHough[avem+ij][avec+ik];
00268           }
00269         }
00270         Double_t minpeak  = min(peakisum,peakjsum);
00271         Double_t threshold = 2 * valleysum + fPeakMin;
00272         if(valleysum>10) threshold = valleysum + 2.* TMath::Sqrt(valleysum);
00273         //      cout << i << " " << j << " " << avem << " " << avec << " " << peakisum << " " << peakjsum << " " << valleysum << endl;
00274         if(minpeak<threshold){
00275           //      cout << "remove " << endl;
00276           if(peakisum<peakjsum)fIPeak[i]=-1;
00277           else fIPeak[j]=-1;
00278         }
00279 
00280         
00281       }
00282     }
00283   }
00284 
00285   // remove all peaks that are shorter than 20% of longest
00286   for (int i=0; i<fNMaxima; i++) {
00287     if(fHough[fMPeak[i]][fCPeak[i]]<0.2*fNBinMax)fIPeak[i]=-1;
00288     
00289   }
00290 // require slopes to be within +-3 bins of maximum peak (this only seems to make sense for cosmics)
00291 /*
00292   for (int i=0; i<fNMaxima; i++) {
00293     if (i!=imaxpeak && abs(fMPeak[i]-fMPeak[imaxpeak])>3) {
00294       fIPeak[i] = -1;
00295     }
00296   }
00297 */
00298 
00299   int muonmult[fNBin*fNBin+1];
00300   for (int i=0; i<=fNBin*fNBin; i++) {
00301     muonmult[i] = 0;
00302   }
00303   for (int i=0; i<fNMaxima; i++) {
00304     if (fIPeak[i]>=0) {
00305       muonmult[fIPeak[i]] = 1;
00306     }
00307   }
00308   for (int i=0; i<=fMaxBin*fMaxBin; i++) {
00309     fNPeak += muonmult[i];
00310   } 
00311 }

Double_t HoughTrackSR::GetInter (  Int_t   )  const [private]
 

Definition at line 720 of file HoughTrackSR.cxx.

References fCPeak, fHough, fMaxBin, fMPeak, and fSlopePeak.

Referenced by Iterate(), and Print().

00721 {
00722   Int_t impeak = fMPeak[i];
00723   Int_t icpeak = fCPeak[i];
00724   Int_t nentry = fHough[impeak][icpeak];
00725   Int_t found=1;
00726   Int_t nskip=0;
00727   Int_t nfound = 0;
00728   Double_t mpeak = 0.;
00729   Double_t cpeak = 0.;
00730   for (Int_t ic1=icpeak-1; ic1>=0 && nskip<2; ic1--) {
00731     found = 0;
00732     Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00733     for (Int_t im2=-3; im2<=3; im2++) {
00734       if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]==nentry) {
00735         found = 1;
00736         nfound++;
00737         mpeak += (Double_t)(im1+im2);
00738         cpeak += (Double_t)(ic1);
00739       }
00740     }
00741     if (!found) {
00742       nskip++;
00743     }
00744     else {
00745       nskip = 0;
00746     }
00747   }
00748   found=1;
00749   nskip=0;
00750   for (Int_t ic1=icpeak; ic1<fMaxBin && nskip<2; ic1++) {
00751     found = 0;
00752     Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00753     for (Int_t im2=-3; im2<=3; im2++) {
00754       if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]==nentry) {
00755         found = 1;
00756         nfound++;
00757         mpeak += (Double_t)(im1+im2);
00758         cpeak += (Double_t)(ic1);
00759       }
00760     }
00761     if (!found) {
00762       nskip++;
00763     }
00764     else {
00765       nskip = 0;
00766     }
00767   }
00768   if (!nfound) return -1.;
00769   mpeak /= (Double_t)nfound;
00770   cpeak /= (Double_t)nfound;
00771   return cpeak;
00772 }

Double_t HoughTrackSR::GetInterceptMax (   )  const
 

Definition at line 559 of file HoughTrackSR.cxx.

References fInterLim.

Referenced by HoughViewSR::IterateSingle().

00560 {
00561   return fInterLim[1];
00562 }

Double_t HoughTrackSR::GetInterceptMin (   )  const
 

Definition at line 554 of file HoughTrackSR.cxx.

References fInterLim.

Referenced by HoughViewSR::IterateSingle().

00555 {
00556   return fInterLim[0];
00557 }

Int_t HoughTrackSR::GetLargestPeakIndex (   )  const
 

Definition at line 649 of file HoughTrackSR.cxx.

References fCPeak, fHough, fIPeak, and fMPeak.

Referenced by HoughViewSR::GetLargestTrackIndex(), and AlgTrackSRList::RunAlg().

00650 {
00651   Int_t nmaxbin = 0;
00652   Int_t imax = -9999;
00653   Int_t ipeak = 0;
00654   for (Int_t i=0; i<fNMaxima; i++) {
00655     if (fIPeak[i]>=0) {
00656       if (fHough[fMPeak[i]][fCPeak[i]]>nmaxbin) {
00657         nmaxbin = fHough[fMPeak[i]][fCPeak[i]];
00658         imax = ipeak;
00659       }
00660       ipeak++;
00661     }
00662   }
00663   return imax;
00664 }

Int_t HoughTrackSR::GetMaxBin (   )  [inline]
 

Definition at line 48 of file HoughTrackSR.h.

00048 {return fMaxBin;}

Int_t HoughTrackSR::GetNBin (   )  const
 

Definition at line 519 of file HoughTrackSR.cxx.

Referenced by HoughViewSR::IterateSingle().

00520 {
00521   return fMaxBin;
00522 }

Int_t HoughTrackSR::GetNPeak (   )  const
 

Definition at line 313 of file HoughTrackSR.cxx.

Referenced by HoughViewSR::GetNPeak(), and HoughViewSR::IterateSingle().

00314 {
00315   return fNPeak;
00316 }

Int_t HoughTrackSR::GetPeakBin (  Int_t  = 0  )  const
 

Definition at line 636 of file HoughTrackSR.cxx.

References fCPeak, fHough, fIPeak, fMPeak, fNMaxima, and fNPeak.

Referenced by HoughViewSR::GetLargestTrackIndex().

00637 {
00638   if (fNPeak==0) return -9999;
00639   if (i<0 || i>=fNPeak) i = 0;
00640   Int_t j;
00641   Int_t n=0;
00642   for (j=0; j<fNMaxima && n<=i; j++) {
00643     if (fIPeak[j]>=0) n++;
00644   }
00645   j--;
00646   return fHough[fMPeak[j]][fCPeak[j]];
00647 }

Double_t HoughTrackSR::GetPeakIntercept (  Int_t  = 0  )  const
 

Definition at line 619 of file HoughTrackSR.cxx.

References fCPeak, fDInter, fDSlope, fInterLim, fIPeak, fMaxBin, fMPeak, fNMaxima, fNPeak, fSlopeLim, and fXZmean.

Referenced by AlgTrackSRList::RunAlg().

00620 {
00621   if (fNPeak==0) return -9999.;
00622   if (i<0 || i>=fNPeak) i = 0;
00623   Int_t j;
00624   Int_t n=0;
00625   for (j=0; j<fNMaxima && n<=i; j++) {
00626     if (fIPeak[j]>=0) n++;
00627   }
00628   j--;
00629 
00630   Double_t slope = fMPeak[j]*fDSlope/fMaxBin+fSlopeLim[0];
00631   Double_t inter = fCPeak[j]*fDInter/fMaxBin+fInterLim[0];
00632 
00633   return inter-slope*fXZmean[1]+fXZmean[0]; 
00634 }

Double_t HoughTrackSR::GetPeakSlope (  Int_t  = 0  )  const
 

Definition at line 605 of file HoughTrackSR.cxx.

References fDSlope, fIPeak, fMaxBin, fMPeak, fNMaxima, fNPeak, and fSlopeLim.

Referenced by AlgTrackSRList::RunAlg().

00606 {
00607   if (fNPeak==0) return -9999.;
00608   if (i<0 || i>=fNPeak) i = 0;
00609   Int_t j;
00610   Int_t n=0;
00611   for (j=0; j<fNMaxima && n<=i; j++) {
00612     if (fIPeak[j]>=0) n++;
00613   }
00614   j--;
00615   Double_t slope = fMPeak[j]*fDSlope/fMaxBin+fSlopeLim[0];
00616   return slope;
00617 }

Double_t HoughTrackSR::GetSlope (  Int_t   )  const [private]
 

Definition at line 666 of file HoughTrackSR.cxx.

References fCPeak, fHough, fMaxBin, fMPeak, and fSlopePeak.

Referenced by Iterate(), and Print().

00667 {
00668   Int_t impeak = fMPeak[i];
00669   Int_t icpeak = fCPeak[i];
00670   Int_t nentry = fHough[impeak][icpeak];
00671   Int_t found=1;
00672   Int_t nskip=0;
00673   Int_t nfound = 0;
00674   Double_t mpeak = 0.;
00675   Double_t cpeak = 0.;
00676   for (Int_t ic1=icpeak-1; ic1>=0 && nskip<2; ic1--) {
00677     found = 0;
00678     Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00679     for (Int_t im2=-3; im2<=3; im2++) {
00680       if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]==nentry) {
00681         found = 1;
00682         nfound++;
00683         mpeak += (Double_t)(im1+im2);
00684         cpeak += (Double_t)(ic1);
00685       }
00686     }
00687     if (!found) {
00688       nskip++;
00689     }
00690     else {
00691       nskip = 0;
00692     }
00693   }
00694   found=1;
00695   nskip=0;
00696   for (Int_t ic1=icpeak; ic1<fMaxBin && nskip<2; ic1++) {
00697     found = 0;
00698     Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00699     for (Int_t im2=-3; im2<=3; im2++) {
00700       if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]==nentry) {
00701         found = 1;
00702         nfound++;
00703         mpeak += (Double_t)(im1+im2);
00704         cpeak += (Double_t)(ic1);
00705       }
00706     }
00707     if (!found) {
00708       nskip++;
00709     }
00710     else {
00711       nskip = 0;
00712     }
00713   }
00714   if (!nfound) return -1.;
00715   mpeak /= (Double_t)nfound;
00716   cpeak /= (Double_t)nfound;
00717   return mpeak;
00718 }

Double_t HoughTrackSR::GetSlopeMax (   )  const
 

Definition at line 549 of file HoughTrackSR.cxx.

References fSlopeLim.

00550 {
00551   return fSlopeLim[1];
00552 }

Double_t HoughTrackSR::GetSlopeMin (   )  const
 

Definition at line 544 of file HoughTrackSR.cxx.

References fSlopeLim.

00545 {
00546   return fSlopeLim[0];
00547 }

TObjArray HoughTrackSR::Iterate (   ) 
 

Definition at line 359 of file HoughTrackSR.cxx.

References fClusterList, fCPeak, fDInter, fDSlope, fHough, FillHough(), fInterLim, fIPeak, fMaxBin, fMinInterBinSize, fMPeak, fNBinCut, fNMaxima, fNPeak, fPeakMin, fPeakMinFrac, fPeakMinFracZoom, fSlopeLim, fXZmean, fXZrms, GetInter(), GetSlope(), HoughTrackSR(), max, min, SetInterceptMax(), SetInterceptMin(), SetPeakMin(), SetPeakMinFrac(), SetSlopeMax(), SetSlopeMin(), SetX0(), SetXRMS(), SetZ0(), and SetZRMS().

Referenced by HoughViewSR::Init(), and HoughViewSR::IterateSingle().

00360 {
00361   TObjArray tracklist;
00362   if (fFillHough) {
00363     Double_t SlopeLim[2] = {fSlopeLim[0],fSlopeLim[1]};
00364     Double_t InterLim[2] = {fInterLim[0],fInterLim[1]};
00365     if (fNPeak>1) {
00366       Int_t imuon=0;
00367       Double_t newslopelim[2] = { 0, 0 }, newinterlim[2] = { 0, 0 };
00368       for (Int_t i=0; i<fNMaxima; i++) {
00369         if (fIPeak[i]>=0) {
00370           Int_t nentry = fHough[fMPeak[i]][fCPeak[i]];
00371           fNBinCut = max(fPeakMin,(Int_t)(fPeakMinFracZoom*nentry));
00372           Int_t impeak = (Int_t)(GetSlope(i)+.5);
00373           Int_t icpeak = (Int_t)(GetInter(i)+.5);
00374           Int_t minbin[2] = {impeak-5,icpeak-5};
00375           Int_t maxbin[2] = {impeak+5,icpeak+5};
00376           /*
00377           Int_t found=1;
00378           for (Int_t ic1=icpeak-1; ic1>=0 && found; ic1--) {
00379             found = 0;
00380             Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00381             for (Int_t im2=-3; im2<=3; im2++) {
00382               if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]>=fNBinCut) {
00383                 found = 1;
00384                 minbin[1] = ic1;
00385                 minbin[0] = min(minbin[0],im1+im2);
00386                 maxbin[0] = max(maxbin[0],im1+im2);
00387               }
00388             }
00389           }
00390           found = 1;
00391           for (Int_t ic1=icpeak+1; ic1<fMaxBin && found; ic1++) {
00392             found = 0;
00393             Int_t im1 = (Int_t)((ic1-icpeak)*fSlopePeak[i]+.5)+impeak;
00394             for (Int_t im2=-3; im2<=3; im2++) {
00395               if (im1+im2>=0 && im1+im2<fMaxBin && fHough[im1+im2][ic1]>=fNBinCut) {
00396                 found = 1;
00397                 maxbin[1] = ic1;
00398                 minbin[0] = min(minbin[0],im1+im2);
00399                 maxbin[0] = max(maxbin[0],im1+im2);
00400               }
00401             }
00402           }
00403           */
00404           // expand intercept bin range to minimum allowed if we have specified
00405           // a range that is smaller than allowed by fMinInterBinSize
00406           Int_t dMinInterBin = (Int_t)(fMinInterBinSize*(Double_t)(fMaxBin*fMaxBin)/fDInter);
00407           while (dMinInterBin<fMaxBin && maxbin[1]-minbin[1]+1<dMinInterBin) {
00408             minbin[1]--;
00409             if (minbin[1]<0) minbin[1]=0;
00410             if (maxbin[1]-minbin[1]<dMinInterBin) {
00411               maxbin[1]++;
00412               if (maxbin[1]>=fMaxBin) maxbin[1]=fMaxBin-1;
00413             }
00414           }
00415 
00416           if (!imuon) {
00417             // set new limits on original track space
00418             if (fMPeak[i]-minbin[0]<fMaxBin/4) minbin[0] = max(0,fMPeak[i]-fMaxBin/4);
00419             if (fCPeak[i]-minbin[1]<fMaxBin/4) minbin[1] = max(0,fCPeak[i]-fMaxBin/4);
00420             if (maxbin[0]-fMPeak[i]<fMaxBin/4) maxbin[0] = min(fMaxBin-1,fMPeak[i]+fMaxBin/4);
00421             if (maxbin[1]-fCPeak[i]<fMaxBin/4) maxbin[1] = min(fMaxBin-1,fCPeak[i]+fMaxBin/4);
00422             minbin[0] = min(minbin[0],fMPeak[i]);
00423             minbin[1] = min(minbin[1],fCPeak[i]);
00424             maxbin[0] = max(maxbin[0],fMPeak[i]);
00425             maxbin[1] = max(maxbin[1],fCPeak[i]);
00426 
00427             newslopelim[0] = SlopeLim[0]+(Double_t)minbin[0]/(Double_t)fMaxBin*fDSlope;
00428             newslopelim[1] = SlopeLim[0]+(Double_t)maxbin[0]/(Double_t)fMaxBin*fDSlope;
00429             newinterlim[0] = InterLim[0]+(Double_t)minbin[1]/(Double_t)fMaxBin*fDInter;
00430             newinterlim[1] = InterLim[0]+(Double_t)maxbin[1]/(Double_t)fMaxBin*fDInter;
00431           }
00432           else {
00433             // create new hough track space centered on peak
00434             HoughTrackSR *newhough = new HoughTrackSR(*fClusterList);
00435             newhough->SetX0(fXZmean[0]);
00436             newhough->SetZ0(fXZmean[1]);
00437             newhough->SetXRMS(fXZrms[0]);
00438             newhough->SetZRMS(fXZrms[1]);
00439             newhough->SetPeakMin(fPeakMin);
00440             newhough->SetPeakMinFrac(fPeakMinFrac);
00441 
00442             newhough->SetSlopeMin(SlopeLim[0]+(Double_t)minbin[0]/(Double_t)fMaxBin*fDSlope);
00443             newhough->SetSlopeMax(SlopeLim[0]+(Double_t)maxbin[0]/(Double_t)fMaxBin*fDSlope);
00444             newhough->SetInterceptMin(InterLim[0]+(Double_t)minbin[1]/(Double_t)fMaxBin*fDInter);
00445             newhough->SetInterceptMax(InterLim[0]+(Double_t)maxbin[1]/(Double_t)fMaxBin*fDInter);
00446             newhough->FillHough();
00447             tracklist.Add(newhough);
00448           }
00449           imuon++;
00450         }
00451       }
00452 
00453       // set new space limits and refill this track
00454       fSlopeLim[0] = newslopelim[0];
00455       fSlopeLim[1] = newslopelim[1];
00456       fInterLim[0] = newinterlim[0];
00457       fInterLim[1] = newinterlim[1];
00458       FillHough();
00459     }
00460     else if (fNPeak==1) {
00461       Int_t i;
00462       for (i=0; i<fNMaxima && fIPeak[i]<0; i++);
00463 
00464       // we now determine what bin count we use to define new boundaries of
00465       // slope/int space
00466       fNBinCut = max(fPeakMin,(Int_t)(fPeakMinFrac*fHough[fMPeak[i]][fCPeak[i]]));
00467       Int_t minbin[2] = {fMaxBin,fMaxBin};
00468       Int_t maxbin[2] = {0,0};
00469       for (Int_t im=0; im<fMaxBin; im++) {
00470         for (Int_t ic=0; ic<fMaxBin; ic++) {
00471           if (fHough[im][ic]>=fNBinCut) {
00472             minbin[0] = min(minbin[0],im);
00473             minbin[1] = min(minbin[1],ic);
00474             maxbin[0] = max(maxbin[0],im);
00475             maxbin[1] = max(maxbin[1],ic);
00476           }
00477         }
00478       }
00479       Int_t dinter = (Int_t)(fMinInterBinSize*(Double_t)(fMaxBin*fMaxBin)/fDInter);
00480       while (dinter<fMaxBin && maxbin[1]-minbin[1]+1<dinter) {
00481         minbin[1]--;
00482         if (minbin[1]<0) minbin[1]=0;
00483         if (maxbin[1]-minbin[1]<dinter) {
00484           maxbin[1]++;
00485           if (maxbin[1]>=fMaxBin) maxbin[1]=fMaxBin-1;
00486         }
00487       }
00488 
00489       // don't allow excessive scale change in one iteration
00490       if (fMPeak[i]-minbin[0]<fMaxBin/4) minbin[0] = max(0,fMPeak[i]-fMaxBin/4);
00491       if (fCPeak[i]-minbin[1]<fMaxBin/4) minbin[1] = max(0,fCPeak[i]-fMaxBin/4);
00492       if (maxbin[0]-fMPeak[i]<fMaxBin/4) maxbin[0] = min(fMaxBin-1,fMPeak[i]+fMaxBin/4);
00493       if (maxbin[1]-fCPeak[i]<fMaxBin/4) maxbin[1] = min(fMaxBin-1,fCPeak[i]+fMaxBin/4);
00494       minbin[0] = min(minbin[0],fMPeak[i]);
00495       minbin[1] = min(minbin[1],fCPeak[i]);
00496       maxbin[0] = max(maxbin[0],fMPeak[i]);
00497       maxbin[1] = max(maxbin[1],fCPeak[i]);
00498       fSlopeLim[1] = fSlopeLim[0]+(Double_t)maxbin[0]/(Double_t)(fMaxBin-1)*fDSlope;
00499       fSlopeLim[0] += (Double_t)minbin[0]/(Double_t)(fMaxBin-1)*fDSlope;
00500       fInterLim[1] = fInterLim[0]+(Double_t)maxbin[1]/(Double_t)(fMaxBin-1)*fDInter;
00501       fInterLim[0] += (Double_t)minbin[1]/(Double_t)(fMaxBin-1)*fDInter;
00502       FillHough();
00503     }
00504   }
00505   else {
00506     int nrms = 1;
00507     fInterLim[0] = min(-nrms*fXZrms[0]-fSlopeLim[1]*nrms*fXZrms[1],
00508                        -nrms*fXZrms[0]+fSlopeLim[0]*nrms*fXZrms[1]);
00509     fInterLim[1] = max(nrms*fXZrms[0]+fSlopeLim[1]*nrms*fXZrms[1],
00510                        nrms*fXZrms[0]-fSlopeLim[0]*nrms*fXZrms[1]);
00511     FillHough();
00512   }
00513 
00514 
00515   return tracklist;
00516 
00517 }

void HoughTrackSR::Print (  Option_t *  option = ""  )  const
 

Definition at line 318 of file HoughTrackSR.cxx.

References fCPeak, fHough, fInterLim, fIPeak, fMPeak, fNMaxima, fNPeak, fSlopeLim, fSlopePeak, fXZmean, fXZrms, GetInter(), GetSlope(), and MSG.

Referenced by HoughViewSR::Print().

00319 {
00320         MSG("HoughTrackSR", Msg::kInfo)  << "MEAN " << fXZmean[0] << " " << fXZmean[1] << "\n";
00321         MSG("HoughTrackSR", Msg::kInfo)  << "RMS  " << fXZrms[0] << " " << fXZrms[1]  << "\n";
00322 
00323         MSG("HoughTrackSR", Msg::kInfo)  << "slope limits: " << fSlopeLim[0] << " / " << fSlopeLim[1] << "\n";
00324         MSG("HoughTrackSR", Msg::kInfo)  << "intercept limits: " << fInterLim[0] << " / " << fInterLim[1] << "\n";
00325         MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00326 
00327         MSG("HoughTrackSR", Msg::kInfo)  << "   | ";
00328   for (int ic=0; ic<fMaxBin; ic++) {
00329     printf("%2d ",ic);
00330   }
00331   MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00332   MSG("HoughTrackSR", Msg::kInfo)  << "-----";
00333   for (int ic=0; ic<fMaxBin; ic++) {
00334           MSG("HoughTrackSR", Msg::kInfo)  << "---";
00335   }
00336   MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00337   for (int im=0; im<fMaxBin; im++) {
00338     printf("%2d | ",im);
00339     for (int ic=0; ic<fMaxBin; ic++) {
00340       printf("%2d ",fHough[im][ic]);
00341     }
00342     MSG("HoughTrackSR", Msg::kInfo)  << "\n";
00343   }
00344   MSG("HoughTrackSR", Msg::kInfo)  << "\n\n";
00345 
00346   MSG("HoughTrackSR", Msg::kInfo)  << "# of found muons = " << fNPeak << "\n";
00347   MSG("HoughTrackSR", Msg::kInfo)  << "# of found local maxima = " << fNMaxima << "\n";
00348 
00349   for (int i=0; i<fNMaxima; i++) {
00350           MSG("HoughTrackSR", Msg::kInfo)  << "  " << i << " " << fMPeak[i] << " " << fCPeak[i] << " " << fIPeak[i] << " " << fSlopePeak[i] << " " << fHough[fMPeak[i]][fCPeak[i]] << "\n";
00351     if (fIPeak[i]>=0) {
00352                 MSG("HoughTrackSR", Msg::kInfo)  << "  PEAK: " << GetSlope(i) << " " << GetInter(i) << "\n";
00353     }
00354   }
00355   MSG("HoughTrackSR", Msg::kInfo)  << "\n\n";
00356 
00357 }

void HoughTrackSR::SetClusterList (  TObjArray  candclusterhandlelist  ) 
 

Definition at line 104 of file HoughTrackSR.cxx.

References fClusterList.

00105 {
00106   fClusterList = new TObjArray(clusterlist);
00107 }

void HoughTrackSR::SetInterceptMax (  Double_t   ) 
 

Definition at line 600 of file HoughTrackSR.cxx.

References fInterLim.

Referenced by Iterate().

00601 {
00602   fInterLim[1] = dvar;
00603 }

void HoughTrackSR::SetInterceptMin (  Double_t   ) 
 

Definition at line 595 of file HoughTrackSR.cxx.

References fInterLim.

Referenced by Iterate().

00596 {
00597   fInterLim[0] = dvar;
00598 }

void HoughTrackSR::SetMaxBin (  Int_t  i  )  [inline]
 

Definition at line 49 of file HoughTrackSR.h.

References fMaxBin.

Referenced by HoughViewSR::Init().

00049 {fMaxBin = i;}

void HoughTrackSR::SetMinInterBinSize (  Double_t   ) 
 

Definition at line 539 of file HoughTrackSR.cxx.

References fMinInterBinSize.

Referenced by HoughViewSR::Init().

00540 {
00541   fMinInterBinSize = dvar;
00542 }

void HoughTrackSR::SetPeakMin (  Int_t   ) 
 

Definition at line 524 of file HoughTrackSR.cxx.

References fPeakMin.

Referenced by HoughViewSR::Init(), and Iterate().

00525 {
00526   fPeakMin = nbin;
00527 }

void HoughTrackSR::SetPeakMinFrac (  Double_t   ) 
 

Definition at line 529 of file HoughTrackSR.cxx.

References fPeakMinFrac.

Referenced by HoughViewSR::Init(), and Iterate().

00530 {
00531   fPeakMinFrac = dvar;
00532 }

void HoughTrackSR::SetPeakMinFracZoom (  Double_t   ) 
 

Definition at line 534 of file HoughTrackSR.cxx.

References fPeakMinFracZoom.

Referenced by HoughViewSR::Init().

00535 {
00536   fPeakMinFracZoom = dvar;
00537 }

void HoughTrackSR::SetSlopeMax (  Double_t   ) 
 

Definition at line 590 of file HoughTrackSR.cxx.

References fSlopeLim.

Referenced by Iterate().

00591 {
00592   fSlopeLim[1] = dvar;
00593 }

void HoughTrackSR::SetSlopeMin (  Double_t   ) 
 

Definition at line 585 of file HoughTrackSR.cxx.

References fSlopeLim.

Referenced by Iterate().

00586 {
00587   fSlopeLim[0] = dvar;
00588 }

void HoughTrackSR::SetX0 (  Double_t   ) 
 

Definition at line 564 of file HoughTrackSR.cxx.

References fXZmean.

Referenced by HoughViewSR::Init(), and Iterate().

00565 {
00566   fXZmean[0] = dvar;
00567 }

void HoughTrackSR::SetXRMS (  Double_t   ) 
 

Definition at line 574 of file HoughTrackSR.cxx.

References fXZrms.

Referenced by HoughViewSR::Init(), and Iterate().

00575 {
00576   fXZrms[0] = dvar;
00577 }

void HoughTrackSR::SetZ0 (  Double_t   ) 
 

Definition at line 569 of file HoughTrackSR.cxx.

References fXZmean.

Referenced by HoughViewSR::Init(), and Iterate().

00570 {
00571   fXZmean[1] = dvar;
00572 }

void HoughTrackSR::SetZRMS (  Double_t   ) 
 

Definition at line 579 of file HoughTrackSR.cxx.

References fXZrms.

Referenced by HoughViewSR::Init(), and Iterate().

00580 {
00581   fXZrms[1] = dvar;
00582 }

Member Data Documentation

TObjArray* HoughTrackSR::fClusterList [private]
 

Definition at line 84 of file HoughTrackSR.h.

Referenced by FillHough(), HoughTrackSR(), Iterate(), and SetClusterList().

vector<Int_t> HoughTrackSR::fCPeak [private]
 

Definition at line 103 of file HoughTrackSR.h.

Referenced by FillHough(), GetInter(), GetLargestPeakIndex(), GetPeakBin(), GetPeakIntercept(), GetSlope(), HoughTrackSR(), Iterate(), and Print().

Double_t HoughTrackSR::fDInter [private]
 

Definition at line 83 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakIntercept(), HoughTrackSR(), and Iterate().

Double_t HoughTrackSR::fDSlope [private]
 

Definition at line 82 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakIntercept(), GetPeakSlope(), HoughTrackSR(), and Iterate().

Bool_t HoughTrackSR::fFillHough [private]
 

Definition at line 100 of file HoughTrackSR.h.

Referenced by FillHough(), and HoughTrackSR().

Int_t HoughTrackSR::fHough[fNBin][fNBin] [private]
 

Definition at line 94 of file HoughTrackSR.h.

Referenced by FillHough(), GetInter(), GetLargestPeakIndex(), GetPeakBin(), GetSlope(), HoughTrackSR(), Iterate(), and Print().

Double_t HoughTrackSR::fInterLim[2] [private]
 

Definition at line 81 of file HoughTrackSR.h.

Referenced by FillHough(), GetInterceptMax(), GetInterceptMin(), GetPeakIntercept(), HoughTrackSR(), Iterate(), Print(), SetInterceptMax(), and SetInterceptMin().

vector<Int_t> HoughTrackSR::fIPeak [private]
 

Definition at line 104 of file HoughTrackSR.h.

Referenced by FillHough(), GetLargestPeakIndex(), GetPeakBin(), GetPeakIntercept(), GetPeakSlope(), HoughTrackSR(), Iterate(), and Print().

Int_t HoughTrackSR::fMaxBin [private]
 

Definition at line 76 of file HoughTrackSR.h.

Referenced by GetInter(), GetPeakIntercept(), GetPeakSlope(), GetSlope(), HoughTrackSR(), Iterate(), and SetMaxBin().

Int_t HoughTrackSR::fMaxHoughBin[fNBin][fNBin][2] [private]
 

Definition at line 95 of file HoughTrackSR.h.

Referenced by FillHough(), and HoughTrackSR().

Double_t HoughTrackSR::fMinInterBinSize [private]
 

Definition at line 89 of file HoughTrackSR.h.

Referenced by HoughTrackSR(), Iterate(), and SetMinInterBinSize().

vector<Int_t> HoughTrackSR::fMPeak [private]
 

Definition at line 102 of file HoughTrackSR.h.

Referenced by FillHough(), GetInter(), GetLargestPeakIndex(), GetPeakBin(), GetPeakIntercept(), GetPeakSlope(), GetSlope(), HoughTrackSR(), Iterate(), and Print().

const Int_t HoughTrackSR::fNBin = 40 [static, private]
 

Definition at line 75 of file HoughTrackSR.h.

Referenced by FillHough().

Int_t HoughTrackSR::fNBinCut [private]
 

Definition at line 92 of file HoughTrackSR.h.

Referenced by HoughTrackSR(), and Iterate().

Int_t HoughTrackSR::fNBinMax [private]
 

Definition at line 91 of file HoughTrackSR.h.

Referenced by FillHough(), and HoughTrackSR().

Int_t HoughTrackSR::fNMaxima [private]
 

Definition at line 98 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakBin(), GetPeakIntercept(), GetPeakSlope(), HoughTrackSR(), Iterate(), and Print().

Int_t HoughTrackSR::fNPeak [private]
 

Definition at line 97 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakBin(), GetPeakIntercept(), GetPeakSlope(), HoughTrackSR(), Iterate(), and Print().

Int_t HoughTrackSR::fPeakMin [private]
 

Definition at line 86 of file HoughTrackSR.h.

Referenced by FillHough(), HoughTrackSR(), Iterate(), and SetPeakMin().

Double_t HoughTrackSR::fPeakMinFrac [private]
 

Definition at line 87 of file HoughTrackSR.h.

Referenced by HoughTrackSR(), Iterate(), and SetPeakMinFrac().

Double_t HoughTrackSR::fPeakMinFracZoom [private]
 

Definition at line 88 of file HoughTrackSR.h.

Referenced by HoughTrackSR(), Iterate(), and SetPeakMinFracZoom().

Double_t HoughTrackSR::fSlopeLim[2] [private]
 

Definition at line 80 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakIntercept(), GetPeakSlope(), GetSlopeMax(), GetSlopeMin(), HoughTrackSR(), Iterate(), Print(), SetSlopeMax(), and SetSlopeMin().

vector<Double_t> HoughTrackSR::fSlopePeak [private]
 

Definition at line 105 of file HoughTrackSR.h.

Referenced by FillHough(), GetInter(), GetSlope(), HoughTrackSR(), and Print().

Double_t HoughTrackSR::fXZmean[2] [private]
 

Definition at line 78 of file HoughTrackSR.h.

Referenced by FillHough(), GetPeakIntercept(), HoughTrackSR(), Iterate(), Print(), SetX0(), and SetZ0().

Double_t HoughTrackSR::fXZrms[2] [private]
 

Definition at line 79 of file HoughTrackSR.h.

Referenced by HoughTrackSR(), Iterate(), Print(), SetXRMS(), and SetZRMS().

The documentation for this class was generated from the following files:
Generated on Mon Feb 15 11:09:19 2010 for loon by  doxygen 1.3.9.1