[u/mrichter/AliRoot.git] / PWG1 / TRD / AliTRDmultiplicity.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/


////////////////////////////////////////////////////////////////////////////
//                                                                        //
//  TRD multiplicity                                                      //
//                                                                        //
// Task to select true single tracks
// 
// Program flow:
// Part A - task AliTRDmultiplicity (within the framework qaRec):
//   For TRD standalone or TRD&TOF tracks I make a FitRiemanTilt
//   The resulting parameterization is dumped into a DebugStreamer written to a file
// 
// Part B – $ALICE_ROOT/TRD/qaRec/macros/TrackletsinTRD.C[h] (analysis macro):
//   The clusters are read in
//   The above produced file is read in
//   I make a fit through the parameterization of the  FitRiemanTilt -> in order to get a straight line (representing the track)
//   the distance of each cluster with respect to the straight line is calculated
//   If there is no cluster at a distance of 0.6  to 2 with respect to the track, the track is defined as a good track, i.e. clean single track
//                                                                        //
//  Authors: Yvonne C. Pachmayer <pachmay@physi.uni-heidelberg.de>        //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

#include <TObjArray.h>
#include <TH1F.h>
#include <TTreeStream.h>

#include "AliESDtrack.h"
#include "AliExternalTrackParam.h"
#include "AliTRDseedV1.h"
#include "AliTRDtrackV1.h"
#include "AliTRDtrackerV1.h"
#include "AliTrackPointArray.h"

#include "AliTRDmultiplicity.h"
#include "AliTRDgeometry.h"
#include "info/AliTRDtrackInfo.h"

ClassImp(AliTRDmultiplicity)

//____________________________________________________________________
AliTRDmultiplicity::AliTRDmultiplicity()
    :AliTRDrecoTask()
  ,fEventCounter(0)
{
  //
  // Default constructor
    //
}

AliTRDmultiplicity::AliTRDmultiplicity(char* name)
    :AliTRDrecoTask(name, "Barrel Tracking Multiplicity")
  ,fEventCounter(0)
{
  //
  // Default constructor
    //
}

//____________________________________________________________________
AliTRDmultiplicity::~AliTRDmultiplicity()
{
}

//____________________________________________________________________
void  AliTRDmultiplicity::UserCreateOutputObjects()
{
  //
  // Create output objects
  //

  TH1 *h = 0x0;
  fContainer = new TObjArray();
  for(Int_t is=0; is<AliTRDgeometry::kNsector; is++){
  fContainer->Add(h = new TH1F(Form("h_sector_%i", is), " ", 100,-10,10));
  }
} 

//____________________________________________________________________
void AliTRDmultiplicity::UserExec(Option_t *)
{
  //
  // Do it
  //


  ULong_t status;
  AliTRDtrackInfo     *track = 0x0;
  AliExternalTrackParam *esd = 0x0;
  AliTRDtrackV1 *trackTRD = 0x0;
  Double_t x_anode[AliTRDgeometry::kNlayer] = {300.2, 312.8, 325.4, 338.0, 350.6, 363.2}; // Take the default X0
  Int_t standAlone=1;
  fEventCounter++;


  for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){
    track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk);
    if(!track->HasESDtrack()) continue;
    status = track->GetStatus();

    AliTrackPoint points[6];
    Float_t xyz[3];
    memset(xyz, 0, sizeof(Float_t) * 3);
    Float_t trackletX[6];
    Float_t trackletY[6];
    Float_t trackletZ[6];
    for(Int_t a=0;a<6;a++)
    {
        xyz[0] = x_anode[a];
        points[a].SetXYZ(xyz);
        trackletX[a]=-1000;
        trackletY[a]=-1000;
        trackletZ[a]=-1000;
    }
    Int_t detTracklet=600;


    // TRD standalone
    if(((status&AliESDtrack::kTRDout)>0) && !((status&AliESDtrack::kTRDin)>0))
    {
        trackTRD = track->GetTrack();

        if(trackTRD)
        {
            AliTRDseedV1 *tracklet = 0x0;
            Int_t counterTracklet=0;
            for(Int_t itl = 0; itl < AliTRDgeometry::kNlayer; itl++)
            {
                tracklet = trackTRD->GetTracklet(itl);
                if(tracklet)
                {
                    if(tracklet->IsOK())
                    {
                        counterTracklet++;
                        detTracklet=tracklet->GetDetector();
                        //printf("%i %f %f \n",itl,tracklet->GetYfit(0),tracklet->GetZfit(0));
                        trackletX[itl]=tracklet->GetX0();
                        trackletY[itl]=tracklet->GetYfit(0);
                        trackletZ[itl]=tracklet->GetZfit(0);
                    }
                }
            }
            // this cut is needed otherwise the order of tracklets in the fit function is not correct
            if(counterTracklet==AliTRDgeometry::kNlayer) AliTRDtrackerV1::FitRiemanTilt(const_cast<AliTRDtrackV1 *>(trackTRD), 0x0, kTRUE, counterTracklet, points);
            else continue;

            if(DebugLevel()>=1){
              for(Int_t il = 0; il < AliTRDgeometry::kNlayer; il++){
                //printf("---------------------------------------- %i %i %f %f %f \n",counterTracklet,il,points[il].GetX(),points[il].GetY(),points[il].GetZ());
                Double_t pointX=points[il].GetX();
                Double_t pointY=points[il].GetY();
                Double_t pointZ=points[il].GetZ();


                (*DebugStream())   << "TrackletsinTRD"
                    << "standalone=" << standAlone
                    << "eventcounter=" << fEventCounter
                    << "layer="     << il
                    << "dettracklet=" << detTracklet
                    << "xtracklet=" << trackletX[il]
                    << "xtrack="    << pointX
                    << "ytracklet=" << trackletY[il]
                    << "ytrack="    << pointY
                    << "ztracklet=" << trackletZ[il]
                    << "ztrack="    << pointZ
                    << "num_tracklets=" << counterTracklet
                    << "\n";

              }
            }
        }
    } // end TRD standalone


    // TPC cluster selection for cosmic data
    if((track->GetTPCncls())<40) continue;
    // missing TPC propagation
    if(!(status&AliESDtrack::kTPCout)) continue;
    standAlone=0;

    esd = track->GetESDinfo()->GetOuterParam();
    // calculate sector - does not matter if track ends in TPC or TRD - sector number independent
    Double_t alpha;
    alpha=-100;
    Int_t fSector=100;
    if(esd){
        alpha=esd->GetAlpha();
        fSector = (Int_t)((alpha+ TMath::Pi())/(20*TMath::Pi()/180));
        if((fSector>-1) && (fSector<18))
        {
        }
        else
        {
            continue;
        }
    }


    // only these sectors have a TRD detector at the moment
   if(fSector==0||fSector==8||fSector==9||fSector==17)
    {
        trackTRD = track->GetTrack();
        if(!trackTRD) continue;
        AliTRDseedV1 *tracklet = 0x0;
        Int_t counterTracklet=0;


        for(Int_t itl = 0; itl < AliTRDgeometry::kNlayer; itl++){
            tracklet = trackTRD->GetTracklet(itl);
            if(!tracklet || !tracklet->IsOK()) continue;
            counterTracklet++;
            detTracklet=tracklet->GetDetector();
            trackletX[itl]=tracklet->GetX0();
            trackletY[itl]=tracklet->GetYfit(0);
            trackletZ[itl]=tracklet->GetZfit(0);

            /*
            AliTRDcluster *c = 0x0;
            for(Int_t itime = 0; itime < AliTRDseedV1::kNtb; itime++){
                c = tracklet->GetClusters(itime);
                if(!c) continue;
//                Float_t cluster_x = c->GetX();
//                Bool_t isprop;
//                isprop=kFALSE;
//                isprop=AliTracker::PropagateTrackTo(esd,(Double_t)cluster_x,0.105,5,kFALSE);
//                if(isprop)
//                {
//                    Int_t detector = c->GetDetector();
//                    ((TH1F*)fContainer->At(fSector))->Fill((c->GetY())-(esd->GetY()));
//                    if(c->GetY()-esd->GetY()>);
//                    printf("diff: %f\n",c->GetY()-(esd->GetY()));
//                }
            }
            */

        } // loop over tracklets ends

        if(counterTracklet==AliTRDgeometry::kNlayer)
        {
            AliTRDtrackerV1::FitRiemanTilt(const_cast<AliTRDtrackV1 *>(trackTRD), 0x0, kTRUE, counterTracklet, points);
        }
        else continue;

       
        if(DebugLevel()>=1){
          for(Int_t il = 0; il < AliTRDgeometry::kNlayer; il++){
            //printf("---------------------------------------- %i %i %f %f %f \n",counterTracklet,il,points[il].GetX(),points[il].GetY(),points[il].GetZ());
            Double_t pointX=points[il].GetX();
            Double_t pointY=points[il].GetY();
            Double_t pointZ=points[il].GetZ();
            
            (*DebugStream())   << "TrackletsinTRD"
                << "standalone=" << standAlone
                << "eventcounter=" << fEventCounter
                << "layer="     << il
                << "dettracklet=" << detTracklet
                << "xtracklet=" << trackletX[il]
                << "xtrack="    << pointX
                << "ytracklet=" << trackletY[il]
                << "ytrack="    << pointY
                << "ztracklet=" << trackletZ[il]
                << "ztrack="    << pointZ
                << "num_tracklets=" << counterTracklet
                << "\n";
          }
        }

    }
  }

  
  PostData(1, fContainer);
}
Commit	Line	Data
1ee39b3a	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16
	17	////////////////////////////////////////////////////////////////////////////
	18	// //
	19	// TRD multiplicity //
	20	// //
	21	// Task to select true single tracks
	22	//
	23	// Program flow:
	24	// Part A - task AliTRDmultiplicity (within the framework qaRec):
	25	// For TRD standalone or TRD&TOF tracks I make a FitRiemanTilt
	26	// The resulting parameterization is dumped into a DebugStreamer written to a file
	27	//
	28	// Part B – $ALICE_ROOT/TRD/qaRec/macros/TrackletsinTRD.C[h] (analysis macro):
	29	// The clusters are read in
	30	// The above produced file is read in
	31	// I make a fit through the parameterization of the FitRiemanTilt -> in order to get a straight line (representing the track)
	32	// the distance of each cluster with respect to the straight line is calculated
	33	// If there is no cluster at a distance of 0.6 to 2 with respect to the track, the track is defined as a good track, i.e. clean single track
	34	// //
	35	// Authors: Yvonne C. Pachmayer <pachmay@physi.uni-heidelberg.de> //
	36	// //
	37	////////////////////////////////////////////////////////////////////////////
	38
	39	#include <TObjArray.h>
	40	#include <TH1F.h>
	41	#include <TTreeStream.h>
	42
	43	#include "AliESDtrack.h"
	44	#include "AliExternalTrackParam.h"
	45	#include "AliTRDseedV1.h"
	46	#include "AliTRDtrackV1.h"
	47	#include "AliTRDtrackerV1.h"
	48	#include "AliTrackPointArray.h"
	49
	50	#include "AliTRDmultiplicity.h"
	51	#include "AliTRDgeometry.h"
	52	#include "info/AliTRDtrackInfo.h"
	53
	54	ClassImp(AliTRDmultiplicity)
	55
	56	//____________________________________________________________________
	57	AliTRDmultiplicity::AliTRDmultiplicity()
f8f46e4d	58	:AliTRDrecoTask()
	59	,fEventCounter(0)
	60	{
	61	//
	62	// Default constructor
	63	//
	64	}
	65
	66	AliTRDmultiplicity::AliTRDmultiplicity(char* name)
	67	:AliTRDrecoTask(name, "Barrel Tracking Multiplicity")
1ee39b3a	68	,fEventCounter(0)
	69	{
	70	//
	71	// Default constructor
	72	//
	73	}
	74
	75	//____________________________________________________________________
	76	AliTRDmultiplicity::~AliTRDmultiplicity()
	77	{
	78	}
	79
	80	//____________________________________________________________________
f8f46e4d	81	void AliTRDmultiplicity::UserCreateOutputObjects()
1ee39b3a	82	{
	83	//
	84	// Create output objects
	85	//
	86
1ee39b3a	87	TH1 *h = 0x0;
	88	fContainer = new TObjArray();
	89	for(Int_t is=0; is<AliTRDgeometry::kNsector; is++){
	90	fContainer->Add(h = new TH1F(Form("h_sector_%i", is), " ", 100,-10,10));
	91	}
	92	}
	93
	94	//____________________________________________________________________
f8f46e4d	95	void AliTRDmultiplicity::UserExec(Option_t *)
1ee39b3a	96	{
	97	//
	98	// Do it
	99	//
	100
	101
	102
	103	ULong_t status;
	104	AliTRDtrackInfo *track = 0x0;
	105	AliExternalTrackParam *esd = 0x0;
	106	AliTRDtrackV1 *trackTRD = 0x0;
	107	Double_t x_anode[AliTRDgeometry::kNlayer] = {300.2, 312.8, 325.4, 338.0, 350.6, 363.2}; // Take the default X0
	108	Int_t standAlone=1;
	109	fEventCounter++;
	110
	111
	112	for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){
	113	track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk);
	114	if(!track->HasESDtrack()) continue;
	115	status = track->GetStatus();
	116
	117	AliTrackPoint points[6];
	118	Float_t xyz[3];
	119	memset(xyz, 0, sizeof(Float_t) * 3);
	120	Float_t trackletX[6];
	121	Float_t trackletY[6];
	122	Float_t trackletZ[6];
	123	for(Int_t a=0;a<6;a++)
	124	{
	125	xyz[0] = x_anode[a];
	126	points[a].SetXYZ(xyz);
	127	trackletX[a]=-1000;
	128	trackletY[a]=-1000;
	129	trackletZ[a]=-1000;
	130	}
	131	Int_t detTracklet=600;
	132
	133
	134
	135	// TRD standalone
	136	if(((status&AliESDtrack::kTRDout)>0) && !((status&AliESDtrack::kTRDin)>0))
	137	{
	138	trackTRD = track->GetTrack();
	139
	140	if(trackTRD)
	141	{
	142	AliTRDseedV1 *tracklet = 0x0;
	143	Int_t counterTracklet=0;
	144	for(Int_t itl = 0; itl < AliTRDgeometry::kNlayer; itl++)
	145	{
	146	tracklet = trackTRD->GetTracklet(itl);
	147	if(tracklet)
	148	{
	149	if(tracklet->IsOK())
	150	{
	151	counterTracklet++;
	152	detTracklet=tracklet->GetDetector();
	153	//printf("%i %f %f \n",itl,tracklet->GetYfit(0),tracklet->GetZfit(0));
	154	trackletX[itl]=tracklet->GetX0();
	155	trackletY[itl]=tracklet->GetYfit(0);
	156	trackletZ[itl]=tracklet->GetZfit(0);
	157	}
	158	}
	159	}
160	// this cut is needed otherwise the order of tracklets in the fit function is not correct
161	if(counterTracklet==AliTRDgeometry::kNlayer) AliTRDtrackerV1::FitRiemanTilt(const_cast<AliTRDtrackV1 *>(trackTRD), 0x0, kTRUE, counterTracklet, points);
162	else continue;
163
164	if(DebugLevel()>=1){
165	for(Int_t il = 0; il < AliTRDgeometry::kNlayer; il++){
166	//printf("---------------------------------------- %i %i %f %f %f \n",counterTracklet,il,points[il].GetX(),points[il].GetY(),points[il].GetZ());
167	Double_t pointX=points[il].GetX();
168	Double_t pointY=points[il].GetY();
169	Double_t pointZ=points[il].GetZ();
170
171
172	(*DebugStream()) << "TrackletsinTRD"
173	<< "standalone=" << standAlone
174	<< "eventcounter=" << fEventCounter
175	<< "layer=" << il
176	<< "dettracklet=" << detTracklet
177	<< "xtracklet=" << trackletX[il]
178	<< "xtrack=" << pointX
179	<< "ytracklet=" << trackletY[il]
180	<< "ytrack=" << pointY
181	<< "ztracklet=" << trackletZ[il]
182	<< "ztrack=" << pointZ
183	<< "num_tracklets=" << counterTracklet
184	<< "\n";
185
186	}
187	}
188	}
189	} // end TRD standalone
190
191
192
193	// TPC cluster selection for cosmic data
194	if((track->GetTPCncls())<40) continue;
195	// missing TPC propagation
196	if(!(status&AliESDtrack::kTPCout)) continue;
197	standAlone=0;
198
199	esd = track->GetESDinfo()->GetOuterParam();
200	// calculate sector - does not matter if track ends in TPC or TRD - sector number independent
201	Double_t alpha;
202	alpha=-100;
203	Int_t fSector=100;
204	if(esd){
205	alpha=esd->GetAlpha();
206	fSector = (Int_t)((alpha+ TMath::Pi())/(20*TMath::Pi()/180));
207	if((fSector>-1) && (fSector<18))
208	{
209	}
210	else
211	{
212	continue;
213	}
214	}
215
216
217
218	// only these sectors have a TRD detector at the moment
219	if(fSector==0\|\|fSector==8\|\|fSector==9\|\|fSector==17)
220	{
221	trackTRD = track->GetTrack();
222	if(!trackTRD) continue;
223	AliTRDseedV1 *tracklet = 0x0;
224	Int_t counterTracklet=0;
225
226
227	for(Int_t itl = 0; itl < AliTRDgeometry::kNlayer; itl++){
228	tracklet = trackTRD->GetTracklet(itl);
229	if(!tracklet \|\| !tracklet->IsOK()) continue;
230	counterTracklet++;
231	detTracklet=tracklet->GetDetector();
232	trackletX[itl]=tracklet->GetX0();
233	trackletY[itl]=tracklet->GetYfit(0);
234	trackletZ[itl]=tracklet->GetZfit(0);
235
236	/*
237	AliTRDcluster *c = 0x0;
238	for(Int_t itime = 0; itime < AliTRDseedV1::kNtb; itime++){
239	c = tracklet->GetClusters(itime);
240	if(!c) continue;
241	// Float_t cluster_x = c->GetX();
242	// Bool_t isprop;
243	// isprop=kFALSE;
244	// isprop=AliTracker::PropagateTrackTo(esd,(Double_t)cluster_x,0.105,5,kFALSE);
245	// if(isprop)
246	// {
247	// Int_t detector = c->GetDetector();
248	// ((TH1F*)fContainer->At(fSector))->Fill((c->GetY())-(esd->GetY()));
249	// if(c->GetY()-esd->GetY()>);
250	// printf("diff: %f\n",c->GetY()-(esd->GetY()));
251	// }
252	}
253	*/
254
255	} // loop over tracklets ends
256
257	if(counterTracklet==AliTRDgeometry::kNlayer)
258	{
259	AliTRDtrackerV1::FitRiemanTilt(const_cast<AliTRDtrackV1 *>(trackTRD), 0x0, kTRUE, counterTracklet, points);
260	}
261	else continue;
262
263
264
265	if(DebugLevel()>=1){
266	for(Int_t il = 0; il < AliTRDgeometry::kNlayer; il++){
267	//printf("---------------------------------------- %i %i %f %f %f \n",counterTracklet,il,points[il].GetX(),points[il].GetY(),points[il].GetZ());
268	Double_t pointX=points[il].GetX();
269	Double_t pointY=points[il].GetY();
270	Double_t pointZ=points[il].GetZ();
271
272	(*DebugStream()) << "TrackletsinTRD"
273	<< "standalone=" << standAlone
274	<< "eventcounter=" << fEventCounter
275	<< "layer=" << il
276	<< "dettracklet=" << detTracklet
277	<< "xtracklet=" << trackletX[il]
278	<< "xtrack=" << pointX
279	<< "ytracklet=" << trackletY[il]
280	<< "ytrack=" << pointY
281	<< "ztracklet=" << trackletZ[il]
282	<< "ztrack=" << pointZ
283	<< "num_tracklets=" << counterTracklet
284	<< "\n";
285	}
286	}
287
288	}
289	}
290
291
f8f46e4d	292	PostData(1, fContainer);
1ee39b3a	293	}
	294
	295