[u/mrichter/AliRoot.git] / MFT / AliMFTClusterQA.cxx

#include "TObject.h"
#include "AliRunLoader.h"
#include "AliRun.h"
#include "AliLoader.h"
#include "AliMFT.h"
#include "TClonesArray.h"
#include "AliMFTCluster.h"
#include "AliMFTSegmentation.h"
#include "TFile.h"
#include "TH1D.h"
#include "TH2D.h"
#include "AliLog.h"
#include "TString.h"

#include "AliMFTClusterQA.h"

//====================================================================================================================================================
//
// Class for the analysis of the MFT clusters (a.k.a. rec points). Few QA histograms are created
//
// Contact author: antonio.uras@cern.ch
//
//====================================================================================================================================================

ClassImp(AliMFTClusterQA)

//====================================================================================================================================================

AliMFTClusterQA::AliMFTClusterQA():
  TObject(),
  fMFTLoader(0),
  fRunLoader(0),
  fMFT(0),
  fNPlanes(0),
  fNEvents(0),
  fEv(0),
  fFileOut(0),
  fReadDir(0),
  fOutDir(0)
{
  
  // default constructor

  for (Int_t iPlane=0; iPlane<fNMaxPlanes; iPlane++) {
    fHistNClustersPerEvent[iPlane] = 0;
    fHistNPixelsPerCluster[iPlane] = 0;
    fHistClusterSizeX[iPlane] = 0; 
    fHistClusterSizeY[iPlane] = 0;
    fClusterScatterPlotXY[iPlane] = 0;
  }

}

//====================================================================================================================================================

void AliMFTClusterQA::Init(Char_t *readDir, Char_t *outDir, Int_t nEventsToAnalyze) {

  fReadDir = readDir;
  fOutDir  = outDir;

  fRunLoader = AliRunLoader::Open(Form("%s/galice.root", fReadDir.Data()));
  gAlice = fRunLoader->GetAliRun();
  if (!gAlice) fRunLoader->LoadgAlice();
  fNEvents = fRunLoader->GetNumberOfEvents();
  if (nEventsToAnalyze>0) fNEvents = TMath::Min(fNEvents, nEventsToAnalyze);

  fMFT = (AliMFT*) gAlice->GetDetector("MFT"); 
  fNPlanes = fMFT->GetSegmentation()->GetNPlanes();

  BookHistos();

  fMFTLoader = fRunLoader->GetDetectorLoader("MFT");
  fMFTLoader -> LoadRecPoints("READ");

}

//====================================================================================================================================================

Bool_t AliMFTClusterQA::LoadNextEvent() {

  if (fEv>=fNEvents) return kFALSE;
  AliDebug(1, Form("event %5d",fEv));
  
  fRunLoader->GetEvent(fEv);
  fEv++;

  if (!fMFTLoader->TreeR()->GetEvent()) return kTRUE;

  for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
    Int_t nClusters = fMFT->GetRecPointsList(iPlane)->GetEntries();
    fHistNClustersPerEvent[iPlane] -> Fill(nClusters);
    fClusterScatterPlotXY[iPlane]  -> Fill(0., 0.);    // "scaler" bin
    AliDebug(1,Form("nClusters = %5d", nClusters));
    for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
      AliMFTCluster *cluster = (AliMFTCluster*) (fMFT->GetRecPointsList(iPlane))->At(iCluster);
      fHistNPixelsPerCluster[iPlane] -> Fill(cluster->GetSize());
      fHistClusterSizeX[iPlane]      -> Fill(cluster->GetErrX()*1.e4);   // converted in microns
      fHistClusterSizeY[iPlane]      -> Fill(cluster->GetErrY()*1.e4);   // converted in microns
      fClusterScatterPlotXY[iPlane]  -> Fill(cluster->GetX(), cluster->GetY());
    }
  }

  return kTRUE;

}  

//====================================================================================================================================================

void AliMFTClusterQA::BookHistos() {

  fFileOut = new TFile(Form("%s/MFT.RecPoints.QA.root",fOutDir.Data()), "recreate");

  for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {

    fHistNClustersPerEvent[iPlane] = new TH1D(Form("fHistNClustersPerEvent_Pl%02d",iPlane), 
					      Form("Number of clusters per event in Plane%02d",iPlane),
					      25000, -0.5, 24999.5);

    fHistNPixelsPerCluster[iPlane] = new TH1D(Form("fHistNPixelsPerCluster_Pl%02d",iPlane), 
					      Form("Number of pixels per cluster in Plane%02d",iPlane),
					      15, -0.5, 14.5);

    fHistClusterSizeX[iPlane]      = new TH1D(Form("fHistClusterSizeX_Pl%02d",iPlane), 
					      Form("#Deltax for clusters in Plane%02d",iPlane), 
					      100, 0., 100.);
    
    fHistClusterSizeY[iPlane]      = new TH1D(Form("fHistClusterSizeY_Pl%02d",iPlane), 
					      Form("#Deltay for clusters in Plane%02d",iPlane), 
					      100, 0., 100.);
    
    fHistNClustersPerEvent[iPlane] -> SetXTitle("N_{clusters} per Event");
    fHistNPixelsPerCluster[iPlane] -> SetXTitle("N_{pixels} per Cluster");
    fHistClusterSizeX[iPlane]      -> SetXTitle("#Deltax  [#mum]");
    fHistClusterSizeY[iPlane]      -> SetXTitle("#Deltay  [#mum]");

    fHistNClustersPerEvent[iPlane] -> Sumw2();
    fHistNPixelsPerCluster[iPlane] -> Sumw2();
    fHistClusterSizeX[iPlane]      -> Sumw2();
    fHistClusterSizeY[iPlane]      -> Sumw2();

    //------------------------------------------------------------

    Int_t rMax = Int_t(10.*(fMFT->GetSegmentation()->GetPlane(iPlane)->GetRMaxSupport()));
    fClusterScatterPlotXY[iPlane] = new TH2D(Form("fClusterScatterPlotXY_Pl%02d",iPlane),
					     Form("Cluster scatter plot (Plane%02d)",iPlane),
					     2*rMax+1, (-rMax-0.5)/10., (rMax+0.5)/10., 2*rMax+1, (-rMax-0.5)/10., (rMax+0.5)/10.);
    
    fClusterScatterPlotXY[iPlane] -> Sumw2();
    
  }
  
}

//====================================================================================================================================================

void AliMFTClusterQA::Terminate() {

  AliInfo("Writing QA histos...");

  fFileOut->cd();

  for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
    fHistNClustersPerEvent[iPlane] -> Write();
    fHistNPixelsPerCluster[iPlane] -> Write();
    fHistClusterSizeX[iPlane]      -> Write();
    fHistClusterSizeY[iPlane]      -> Write();
    fClusterScatterPlotXY[iPlane]  -> Write();
  }

  fFileOut -> Close();

}

//====================================================================================================================================================
Commit	Line	Data
820b4d9e	1	#include "TObject.h"
	2	#include "AliRunLoader.h"
	3	#include "AliRun.h"
	4	#include "AliLoader.h"
	5	#include "AliMFT.h"
	6	#include "TClonesArray.h"
	7	#include "AliMFTCluster.h"
	8	#include "AliMFTSegmentation.h"
	9	#include "TFile.h"
	10	#include "TH1D.h"
d4643a10	11	#include "TH2D.h"
820b4d9e	12	#include "AliLog.h"
	13	#include "TString.h"
	14
	15	#include "AliMFTClusterQA.h"
	16
	17	//====================================================================================================================================================
	18	//
	19	// Class for the analysis of the MFT clusters (a.k.a. rec points). Few QA histograms are created
	20	//
	21	// Contact author: antonio.uras@cern.ch
	22	//
	23	//====================================================================================================================================================
	24
	25	ClassImp(AliMFTClusterQA)
	26
	27	//====================================================================================================================================================
	28
	29	AliMFTClusterQA::AliMFTClusterQA():
	30	TObject(),
	31	fMFTLoader(0),
	32	fRunLoader(0),
	33	fMFT(0),
	34	fNPlanes(0),
	35	fNEvents(0),
	36	fEv(0),
	37	fFileOut(0),
	38	fReadDir(0),
	39	fOutDir(0)
	40	{
	41
	42	// default constructor
	43
78461b61	44	for (Int_t iPlane=0; iPlane<fNMaxPlanes; iPlane++) {
820b4d9e	45	fHistNClustersPerEvent[iPlane] = 0;
	46	fHistNPixelsPerCluster[iPlane] = 0;
	47	fHistClusterSizeX[iPlane] = 0;
	48	fHistClusterSizeY[iPlane] = 0;
d4643a10	49	fClusterScatterPlotXY[iPlane] = 0;
820b4d9e	50	}
	51
	52	}
	53
	54	//====================================================================================================================================================
	55
	56	void AliMFTClusterQA::Init(Char_t readDir, Char_t outDir, Int_t nEventsToAnalyze) {
	57
	58	fReadDir = readDir;
	59	fOutDir = outDir;
	60
	61	fRunLoader = AliRunLoader::Open(Form("%s/galice.root", fReadDir.Data()));
	62	gAlice = fRunLoader->GetAliRun();
	63	if (!gAlice) fRunLoader->LoadgAlice();
	64	fNEvents = fRunLoader->GetNumberOfEvents();
	65	if (nEventsToAnalyze>0) fNEvents = TMath::Min(fNEvents, nEventsToAnalyze);
	66
	67	fMFT = (AliMFT*) gAlice->GetDetector("MFT");
	68	fNPlanes = fMFT->GetSegmentation()->GetNPlanes();
	69
	70	BookHistos();
	71
	72	fMFTLoader = fRunLoader->GetDetectorLoader("MFT");
	73	fMFTLoader -> LoadRecPoints("READ");
	74
	75	}
	76
	77	//====================================================================================================================================================
	78
	79	Bool_t AliMFTClusterQA::LoadNextEvent() {
	80
	81	if (fEv>=fNEvents) return kFALSE;
	82	AliDebug(1, Form("event %5d",fEv));
	83
	84	fRunLoader->GetEvent(fEv);
	85	fEv++;
	86
	87	if (!fMFTLoader->TreeR()->GetEvent()) return kTRUE;
	88
	89	for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
	90	Int_t nClusters = fMFT->GetRecPointsList(iPlane)->GetEntries();
	91	fHistNClustersPerEvent[iPlane] -> Fill(nClusters);
d4643a10	92	fClusterScatterPlotXY[iPlane] -> Fill(0., 0.); // "scaler" bin
820b4d9e	93	AliDebug(1,Form("nClusters = %5d", nClusters));
	94	for (Int_t iCluster=0; iCluster<nClusters; iCluster++) {
	95	AliMFTCluster cluster = (AliMFTCluster) (fMFT->GetRecPointsList(iPlane))->At(iCluster);
	96	fHistNPixelsPerCluster[iPlane] -> Fill(cluster->GetSize());
	97	fHistClusterSizeX[iPlane] -> Fill(cluster->GetErrX()*1.e4); // converted in microns
	98	fHistClusterSizeY[iPlane] -> Fill(cluster->GetErrY()*1.e4); // converted in microns
d4643a10	99	fClusterScatterPlotXY[iPlane] -> Fill(cluster->GetX(), cluster->GetY());
820b4d9e	100	}
	101	}
	102
	103	return kTRUE;
	104
	105	}
	106
	107	//====================================================================================================================================================
	108
	109	void AliMFTClusterQA::BookHistos() {
	110
	111	fFileOut = new TFile(Form("%s/MFT.RecPoints.QA.root",fOutDir.Data()), "recreate");
	112
	113	for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
	114
	115	fHistNClustersPerEvent[iPlane] = new TH1D(Form("fHistNClustersPerEvent_Pl%02d",iPlane),
	116	Form("Number of clusters per event in Plane%02d",iPlane),
b03d16a3	117	25000, -0.5, 24999.5);
820b4d9e	118
	119	fHistNPixelsPerCluster[iPlane] = new TH1D(Form("fHistNPixelsPerCluster_Pl%02d",iPlane),
	120	Form("Number of pixels per cluster in Plane%02d",iPlane),
	121	15, -0.5, 14.5);
	122
	123	fHistClusterSizeX[iPlane] = new TH1D(Form("fHistClusterSizeX_Pl%02d",iPlane),
	124	Form("#Deltax for clusters in Plane%02d",iPlane),
	125	100, 0., 100.);
	126
	127	fHistClusterSizeY[iPlane] = new TH1D(Form("fHistClusterSizeY_Pl%02d",iPlane),
	128	Form("#Deltay for clusters in Plane%02d",iPlane),
	129	100, 0., 100.);
	130
	131	fHistNClustersPerEvent[iPlane] -> SetXTitle("N_{clusters} per Event");
	132	fHistNPixelsPerCluster[iPlane] -> SetXTitle("N_{pixels} per Cluster");
	133	fHistClusterSizeX[iPlane] -> SetXTitle("#Deltax [#mum]");
	134	fHistClusterSizeY[iPlane] -> SetXTitle("#Deltay [#mum]");
	135
	136	fHistNClustersPerEvent[iPlane] -> Sumw2();
	137	fHistNPixelsPerCluster[iPlane] -> Sumw2();
	138	fHistClusterSizeX[iPlane] -> Sumw2();
	139	fHistClusterSizeY[iPlane] -> Sumw2();
d4643a10	140
	141	//------------------------------------------------------------
	142
	143	Int_t rMax = Int_t(10.*(fMFT->GetSegmentation()->GetPlane(iPlane)->GetRMaxSupport()));
	144	fClusterScatterPlotXY[iPlane] = new TH2D(Form("fClusterScatterPlotXY_Pl%02d",iPlane),
	145	Form("Cluster scatter plot (Plane%02d)",iPlane),
	146	2rMax+1, (-rMax-0.5)/10., (rMax+0.5)/10., 2rMax+1, (-rMax-0.5)/10., (rMax+0.5)/10.);
	147
	148	fClusterScatterPlotXY[iPlane] -> Sumw2();
820b4d9e	149
	150	}
	151
	152	}
	153
	154	//====================================================================================================================================================
	155
	156	void AliMFTClusterQA::Terminate() {
	157
	158	AliInfo("Writing QA histos...");
	159
	160	fFileOut->cd();
	161
	162	for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
	163	fHistNClustersPerEvent[iPlane] -> Write();
	164	fHistNPixelsPerCluster[iPlane] -> Write();
	165	fHistClusterSizeX[iPlane] -> Write();
	166	fHistClusterSizeY[iPlane] -> Write();
d4643a10	167	fClusterScatterPlotXY[iPlane] -> Write();
820b4d9e	168	}
	169
	170	fFileOut -> Close();
	171
	172	}
	173
	174	//====================================================================================================================================================