* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
+
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#include "AliT0CalibWalk.h"
-#include "AliT0LookUpValue.h"
#include "AliLog.h"
-#include "AliRun.h"
#include <TObjArray.h>
#include <TGraph.h>
#include <TFile.h>
-#include <TAxis.h>
#include <TH2F.h>
#include <TMath.h>
#include <TSystem.h>
#include <Riostream.h>
#include <TSpectrum.h>
-#include <TVirtualFitter.h>
#include <TProfile.h>
-
-#include <string>
+#include <TF1.h>
ClassImp(AliT0CalibWalk)
//________________________________________________________________
AliT0CalibWalk::AliT0CalibWalk(): TNamed(),
fWalk(0),
- fAmpLEDRec(0)
+ fAmpLEDRec(0),
+ fQTC(0),
+ fAmpLED(0)
{
//
}
//________________________________________________________________
AliT0CalibWalk::AliT0CalibWalk(const char* name):TNamed(),
fWalk(0),
- fAmpLEDRec(0)
+ fAmpLEDRec(0), fQTC(0),
+ fAmpLED(0)
+
{
TString namst = "Calib_";
namst += name;
AliT0CalibWalk::AliT0CalibWalk(const AliT0CalibWalk& calibda) :
TNamed(calibda),
fWalk(0),
- fAmpLEDRec(0)
-
+ fAmpLEDRec(0),
+ fQTC(0),
+ fAmpLED(0)
+
{
// copy constructor
SetName(calibda.GetName());
{
//
}
-//________________________________________________________________
-void AliT0CalibWalk::SetWalk(Int_t ipmt)
-{
+//________________________________________________________________
- Int_t mv, ps;
- Int_t x[70000], y[70000], index[70000];
- Float_t time[10000],amplitude[10000];
- string buffer;
- Bool_t down=false;
-
- const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-Amp.txt");
- ifstream inFile(filename);
- if(!inFile) AliError(Form("Cannot open file %s !",filename));
+Bool_t AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
+{
+ //make walk corerction for preprocessor
+ Float_t sigma,cfdmean, qtmean, ledmean;
+ Bool_t ok=true;
+ Float_t mips[50];
- Int_t i=0;
- while(getline(inFile,buffer)){
- inFile >> ps >> mv;
-
- x[i]=ps; y[i]=mv;
- i++;
+ gFile = TFile::Open(laserFile);
+ if(!gFile) {
+ AliError("No input laser data found ");
}
- inFile.close();
- cout<<" number of data "<<i<<endl;
-
- TMath::Sort(i, y, index,down);
- Int_t amp=0, iin=0, isum=0, sum=0;
- Int_t ind=0;
- for (Int_t ii=0; ii<i; ii++)
+ else
{
- ind=index[ii];
- if(y[ind] == amp)
+ // gFile->ls();
+ TH1F* hAmp = (TH1F*) gFile->Get("hAmpLaser");
+ Int_t nmips=0;
+ for (Int_t ibin=0; ibin<2000; ibin++) {
+ Float_t bincont = hAmp->GetBinContent(ibin);
+ if(bincont>0){
+ mips[nmips] = hAmp->GetXaxis()->GetBinCenter(ibin);
+ cout<<ibin<<" bincont "<<bincont<<" amp "<< mips[nmips]<<endl;
+ nmips++;
+ }
+ }
+
+ if (nmips<17) {
+ ok=false;
+ return ok;
+ }
+
+ Float_t x1[50], y1[50];
+ Float_t x2[50], xx2[50],y2[50];
+ Float_t xx1[50],yy1[50], xx[50];
+
+ Float_t cfd0[24];
+ Int_t startim = 0;
+
+ for (Int_t ii=0; ii<nmips; ii++)
+ x1[ii] = y1[ii] = x2[ii] = y2[ii] = 0;
+
+ for (Int_t i=0; i<24; i++)
{
- sum +=x[ind];
- iin++;
+ for (Int_t im=startim; im<nmips; im++)
+ {
+ TString cfd = Form("hCFD%i_%i",i+1,im+1);
+ TString qtc = Form("hQTC%i_%i",i+1,im+1);
+ TString led = Form("hLED%i_%i",i+1,im+1);
+
+ TH1F *hCFD = (TH1F*) gFile->Get(cfd.Data()) ;
+ TH1F *hLED = (TH1F*) gFile->Get(led.Data());
+ TH1F *hQTC = (TH1F*) gFile->Get(qtc.Data()) ;
+ // hCFD->SetDirectory(0);
+ // hQTC->SetDirectory(0);
+ // hLED->SetDirectory(0);
+ if(!hCFD )
+ AliWarning(Form(" no CFD data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
+ if(!hQTC )
+ AliWarning(Form(" no QTC correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
+ if(!hLED)
+ AliWarning(Form(" no LED correction data in LASER DA for channel %i for amplitude %f MIPs",i,mips[im]));
+ if( hCFD && hCFD->GetEntries()<500 ) {
+ ok=false;
+ printf("no peak in CFD spectrum for PMT %i amplitude %i\n",i,im);
+ return ok;
+ }
+
+ if(hCFD && hCFD->GetEntries()>500 ) {
+ if( hCFD->GetRMS() >= 1.5)
+ GetMeanAndSigma(hCFD, cfdmean, sigma);
+ else
+ cfdmean = hCFD->GetMean();
+
+ if (im == 0) cfd0[i] = cfdmean;
+ y1[im] = cfdmean - cfd0[i];
+ }
+ if(hQTC && hQTC->GetEntries()>500) {
+ GetMeanAndSigma(hQTC, qtmean, sigma);
+
+ x1[im] = qtmean;
+ if( x1[im] == 0) {
+ ok=false;
+ printf("no peak in QTC signal for PMT %i amplitude %i\n",i,im);
+ return ok;
+ }
+ }
+
+ if( hLED && hLED->GetEntries()>500) {
+ GetMeanAndSigma(hLED, ledmean, sigma);
+ }
+ else
+ {
+ ok=false;
+ printf("no peak in LED spectrum for PMT %i amplitude %i\n",i,im);
+ return ok;
+ }
+ x2[im] = ledmean;
+ xx2[im] = x2[nmips-im-1];
+
+ xx[im]=mips[im];
+ if (hQTC) delete hQTC;
+ if (hCFD) delete hCFD;
+ if (hLED) delete hLED;
+
+ }
+
+ for (Int_t imi=0; imi<nmips; imi++)
+ {
+ yy1[imi] = Float_t (mips[nmips-imi-1]);
+ xx1[imi] = x2[nmips-imi-1];
+ // cout<<" LED rev "<<i<<" "<<imi<<" "<<xx1[imi]<<" "<< yy1[imi]<<"nmips-imi-1 = "<< nmips-imi-1<<endl;
+ }
+
+ if(i==0) cout<<"Making graphs..."<<endl;
+
+ TGraph *grwalkqtc = new TGraph (nmips,x1,y1);
+ grwalkqtc->SetTitle(Form("PMT%i",i));
+ TGraph *grwalkled = new TGraph (nmips,x2,y1);
+ grwalkled->SetTitle(Form("PMT%i",i));
+ fWalk.AddAtAndExpand(grwalkqtc,i);
+ fAmpLEDRec.AddAtAndExpand(grwalkled,i);
+ // cout<<" add walk "<<i<<endl;
+
+ //fit amplitude graphs to make comparison wth new one
+ TGraph *grampled = new TGraph (nmips,xx1,yy1);
+ TGraph *grqtc = new TGraph (nmips,x1,xx);
+ fQTC.AddAtAndExpand(grqtc,i);
+ fAmpLED.AddAtAndExpand(grampled,i);
+ // cout<<" add amp "<<i<<endl;
+
+ if(i==23)
+ cout<<"Graphs created..."<<endl;
}
- else
- {
- if(iin>0)
- time[isum] = Float_t (sum/(iin));
- else
- time[isum] =Float_t (x[ind]);
- amplitude[isum] = Float_t (amp);
- amp=y[ind];
- iin=0;
- isum++;
- sum=0;
- }
- }
-
- inFile.close();
+ } //if gFile exits
- TGraph* gr = new TGraph(isum, amplitude, time);
- fWalk.AddAtAndExpand(gr,ipmt);
+ return ok;
}
-//________________________________________________________________
-
-void AliT0CalibWalk::SetAmpLEDRec(Int_t ipmt)
+void AliT0CalibWalk::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma)
{
- Float_t mv, ps;
- Float_t x[100], y[100];
- string buffer;
-
- const char * filename = gSystem->ExpandPathName("$ALICE_ROOT/T0/data/CFD-LED.txt");
- ifstream inFile(filename);
- if(!inFile) {AliError(Form("Cannot open file %s !",filename));}
-
- inFile >> mv>>ps;
- Int_t i=0;
-
- while(getline(inFile,buffer)){
- x[i]=mv; y[i]=ps;
- inFile >> mv >> ps;
- i++;
- }
- inFile.close();
- Float_t y1[100], x1[100];
- for (Int_t ir=0; ir<i; ir++){
- y1[ir]=y[i-ir]; x1[ir]=x[i-ir];}
- TGraph* gr = new TGraph(i,y1,x1);
- fAmpLEDRec.AddAtAndExpand(gr,ipmt);
-
-}
-//________________________________________________________________
+ const double window = 5.; //fit window
+
+ double meanEstimate, sigmaEstimate;
+ int maxBin;
+ maxBin = hist->GetMaximumBin(); //position of maximum
+ meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum
+ sigmaEstimate = hist->GetRMS();
+ TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate);
+ fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate);
+ hist->Fit("fit","RQ","Q");
+
+ mean = (Float_t) fit->GetParameter(1);
+ sigma = (Float_t) fit->GetParameter(2);
+
+ delete fit;
+}
-void AliT0CalibWalk::MakeWalkCorrGraph(const char *laserFile)
-{
- TFile *gFile = TFile::Open(laserFile);
- gSystem->Load("libSpectrum");
- TGraph *gr[24];
- Int_t npeaks = 20;
- Int_t sigma=3;
- Bool_t down=false;
-
- Int_t index[20];
- Char_t buf1[10], buf2[10],title[10];
-
- for (Int_t i=0; i<24; i++)
- {
- sprintf(buf1,"T0_C_%i_CFD",i+1);
- sprintf(buf2,"CFD_QTC%i",i+1);
- // cout<<buf1<<" "<<buf2<<endl;
- TH2F *qtc_cfd = (TH2F*) gFile->Get(buf2);
- TH1F *cfd = (TH1F*) gFile->Get(buf1);
- TSpectrum *s = new TSpectrum(2*npeaks,1.);
- Int_t nfound = s->Search(cfd,sigma," ",0.05);
- // cout<<"Found "<<nfound<<" peaks sigma "<<sigma<<endl;
- if(nfound!=0)
- {
- Float_t *xpeak = s->GetPositionX();
- TMath::Sort(nfound, xpeak, index,down);
- Float_t xp = xpeak[index[0]];
- Float_t hmax = xp+10*sigma;
- Float_t hmin = xp-10*sigma;
- Int_t nbins= qtc_cfd->GetXaxis()->GetNbins();
- TProfile *pr_y = qtc_cfd->ProfileX();
- pr_y->SetMaximum(hmax);
- pr_y->SetMinimum(hmin);
- Int_t np=nbins/20;
- Double_t *xx = new Double_t[np];
- Double_t *yy = new Double_t[np];
- Int_t ng=0;
- Double_t yg=0;
- for (Int_t ip=1; ip<nbins; ip++)
- {
- if(ip%20 != 0 )
- {
- if (pr_y->GetBinContent(ip) !=0)
- {
- yg +=pr_y->GetBinContent(ip);
- }
- ng++;
- }
- else
- {
- xx[ip/20] = Float_t (pr_y->GetBinCenter(ip));
- yy[ip/20] = yg/ng;
- yg=0;
- ng=0;
- }
- }
- sprintf(title,"Walk %i",i+1);
- gr[i] = new TGraph(np,xx,yy);
- gr[i]->SetTitle(title);
- gr[i]->SetMinimum(hmin);
- gr[i]->SetMaximum(hmax);
- gr[i]->SetMarkerStyle(7);
- fWalk.AddAtAndExpand(gr[i],i);
- delete [] xx;
- delete [] yy;
- delete gr[i];
- }
- }
- gFile->Close();
- delete gFile;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff