TFile fcalib("CalibObjects.root");
TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
AliTPCcalibTimeGain * gain = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGain");
-TGraphErrors * gr = gain->GetGraphGainVsTime(0,500)
+TGraphErrors * gr = gain->GetGraphGainVsTime(0,1000)
+// gain->GetHistGainTime()->GetAxis(1)->SetRangeUser(1213.8e6,1214.3e6)
TH2D * GainTime = gain->GetHistGainTime()->Projection(0,1)
GainTime->GetXaxis()->SetTimeDisplay(kTRUE)
GainTime->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}")
grfit->SetLineColor(2);
grfit->Draw("lu");
+//
+// QA - dE/dx resoultion as a function of time
+//TCa
+
+TGraph * grSigma = AliTPCcalibBase::FitSlicesSigma(gain->GetHistGainTime(),0,1,1800,5)
+
+TCanvas *c1 = new TCanvas("c1","transparent pad",200,10,700,500);
+ TPad *pad1 = new TPad("pad1","",0,0,1,1);
+ TPad *pad2 = new TPad("pad2","",0,0,1,1);
+ pad2->SetFillStyle(4000); //will be transparent
+ pad1->Draw();
+ pad1->cd();
+
+GainTime->Draw("colz")
+gr->Draw("lp")
+
+
+
+ c1->cd();
+ Double_t ymin = -0.04;
+ Double_t ymax = 0.12;
+Double_t dy = (ymax-ymin)/0.8;
+Double_t xmin = GainTime->GetXaxis()->GetXmin()
+Double_t xmax = GainTime->GetXaxis()->GetXmax()
+Double_t dx = (xmax-xmin)/0.8; //10 per cent margins left and right
+pad2->Range(xmin-0.1*dx,ymin-0.1*dy,xmax+0.1*dx,ymax+0.1*dy);
+ pad2->Draw();
+ pad2->cd();
+grSigma->SetLineColor(2);
+grSigma->SetLineWidth(2);
+grSigma->Draw("lp")
+TGaxis *axis = new TGaxis(xmax,ymin,xmax,ymax,ymin,ymax,50510,"+L");
+ axis->SetLabelColor(kRed);
+ axis->SetTitle("dE/dx resolution #sigma_{dE/dx}");
+ axis->Draw();
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ ----> make Attachment study
+
+TFile fcalib("CalibObjects40366b.root");
+TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
+AliTPCcalibTimeGain * gain = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGain");
+TGraphErrors * grAttach = gain->GetGraphAttachment(2000,4)
+
+TCanvas *c1 = new TCanvas("c1","transparent pad",200,10,700,500);
+ TPad *pad1 = new TPad("pad1","",0,0,1,1);
+ TPad *pad2 = new TPad("pad2","",0,0,1,1);
+ pad2->SetFillStyle(4000); //will be transparent
+ pad1->Draw();
+ pad1->cd();
+
+gain->GetHistGainTime()->GetAxis(1)->SetRangeUser(1213.8e6,1214.3e6)
+TH2D * GainTime = gain->GetHistGainTime()->Projection(0,1)
+GainTime->GetXaxis()->SetTimeDisplay(kTRUE)
+GainTime->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}")
+GainTime->Draw("colz")
+//gr->Draw("lp")
+
+ c1->cd();
+ Double_t ymin = -0.001;
+ Double_t ymax = 0.001;
+Double_t dy = (ymax-ymin)/0.8;
+Double_t xmin = GainTime->GetXaxis()->GetXmin()
+Double_t xmax = GainTime->GetXaxis()->GetXmax()
+Double_t dx = (xmax-xmin)/0.8; //10 per cent margins left and right
+pad2->Range(xmin-0.1*dx,ymin-0.1*dy,xmax+0.1*dx,ymax+0.1*dy);
+ pad2->Draw();
+ pad2->cd();
+grAttach->SetLineColor(2);
+grAttach->SetLineWidth(2);
+grAttach->Draw("lp")
+TGaxis *axis = new TGaxis(xmax,ymin,xmax,ymax,ymin,ymax,50510,"+L");
+ axis->SetLabelColor(kRed);
+ axis->SetTitle("attachment coefficient b");
+ axis->Draw();
+
+
*/
fUseCookAnalytical(0),
fIsCosmic(0),
fLowMemoryConsumption(0)
- {
+{
SetName(name);
SetTitle(title);
-
+
AliInfo("Non Default Constructor");
-
+
fIntegrationTimeDeDx = deltaIntegrationTimeGain;
-
+
Double_t deltaTime = EndTime - StartTime;
-
+
// main histogram for time dependence: dE/dx, time, type (1-muon cosmic,2-pion beam data), meanDriftlength, momenta (only filled if enough space is available), run number
Int_t timeBins = TMath::Nint(deltaTime/deltaIntegrationTimeGain);
- Int_t binsGainTime[6] = {100, timeBins, 2, 25, 200, 10000000};
+ Int_t binsGainTime[6] = {150, timeBins, 2, 25, 200, 10000000};
Double_t xminGainTime[6] = {0.5, StartTime, 0.5, 0, 0.1, -0.5};
- Double_t xmaxGainTime[6] = { 4, EndTime, 2.5, 250, 50, 9999999.5};
+ Double_t xmaxGainTime[6] = { 8, EndTime, 2.5, 250, 50, 9999999.5};
fHistGainTime = new THnSparseF("HistGainTime","dEdx time dep.;dEdx,time,type,driftlength,momenta,run number;dEdx",6,binsGainTime,xminGainTime,xmaxGainTime);
BinLogX(fHistGainTime, 4);
//
- fHistDeDxTotal = new TH2F("DeDx","dEdx; momentum p (GeV); TPC signal (a.u.)",250,0.01,100.,1000,0.,1000);
+ fHistDeDxTotal = new TH2F("DeDx","dEdx; momentum p (GeV); TPC signal (a.u.)",250,0.01,100.,1000,0.,8);
BinLogX(fHistDeDxTotal);
// default values for dE/dx
fUseCookAnalytical = kFALSE;
//
fIsCosmic = kTRUE;
- fLowMemoryConsumption = kFALSE;
+ fLowMemoryConsumption = kTRUE;
//
- }
+}
//
//
//
+ delete fHistGainTime;
+ delete fGainVsTime;
+ delete fHistDeDxTotal;
}
if (seed) {
Double_t TPCsignal = GetTPCdEdx(seed);
- fHistDeDxTotal->Fill(meanP, TPCsignal);
+ if (NclsDeDx > 100) fHistDeDxTotal->Fill(meanP, TPCsignal);
//
if (fLowMemoryConsumption) {
if (meanP < 20) continue;
}
+
+TGraphErrors * AliTPCcalibTimeGain::GetGraphAttachment(Int_t minEntries, Int_t nmaxBin, Float_t /*fracLow*/, Float_t /*fracUp*/) {
+ //
+ // For each time bin the driftlength-dependence of the signal is fitted.
+ //
+ TH3D * hist = fHistGainTime->Projection(1, 0, 3);
+ Double_t *xvec = new Double_t[hist->GetNbinsX()];
+ Double_t *yvec = new Double_t[hist->GetNbinsX()];
+ Double_t *xerr = new Double_t[hist->GetNbinsX()];
+ Double_t *yerr = new Double_t[hist->GetNbinsX()];
+ Int_t counter = 0;
+ TH2D * projectionHist = 0x0;
+ //
+ for(Int_t i=1; i < hist->GetNbinsX(); i++) {
+ Int_t nsum=0;
+ Int_t imin = i;
+ Int_t imax = i;
+ for (Int_t idelta=0; idelta<nmaxBin; idelta++){
+ //
+ imin = TMath::Max(i-idelta,1);
+ imax = TMath::Min(i+idelta,hist->GetNbinsX());
+ nsum = TMath::Nint(hist->Integral(imin,imax,1,hist->GetNbinsY()-1,1,hist->GetNbinsZ()-1));
+ if (nsum==0) break;
+ if (nsum>minEntries) break;
+ }
+ if (nsum<minEntries) continue;
+ //
+ hist->GetXaxis()->SetRange(imin,imax);
+ projectionHist = (TH2D*)hist->Project3D("yzNUFNOF");
+ //
+ TObjArray arr;
+ projectionHist->FitSlicesY(0,2, projectionHist->GetNbinsX()-2,0,"QNR",&arr);
+ TH1D * histAttach = (TH1D*)arr.At(1);
+ TF1 pol1("polynom1","pol1",10,240);
+ histAttach->Fit(&pol1,"QNR");
+ xvec[counter] = 0.5*(hist->GetXaxis()->GetBinCenter(imin)+hist->GetXaxis()->GetBinCenter(imax));
+ yvec[counter] = pol1.GetParameter(1)/pol1.GetParameter(0);
+ xerr[counter] = 0;
+ yerr[counter] = pol1.GetParError(1)/pol1.GetParameter(0);
+ counter++;
+ //
+ delete projectionHist;
+ }
+
+ TGraphErrors * graphErrors = new TGraphErrors(counter, xvec, yvec, xerr, yerr);
+ delete [] xvec;
+ delete [] yvec;
+ delete [] xerr;
+ delete [] yerr;
+ delete hist;
+ return graphErrors;
+
+}
+
+
+
void AliTPCcalibTimeGain::BinLogX(THnSparse *h, Int_t axisDim) {
// Method for the correct logarithmic binning of histograms
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff