[u/mrichter/AliRoot.git] / DISPLAY / AliDisplayClusters.cxx

/**************************************************************************
 * Copyright(c) 1998-2003, 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.                  *
 **************************************************************************/
/////////////////////////////////////////////////////////////////////////
// ALICE DISPLAY CLUSTERS CLASS                                        //
// Author: Mayeul   ROUSSELET                                          //
// e-mail: Mayeul.Rousselet@cern.ch                                    //
// Last update:26/08/2003                                              //
/////////////////////////////////////////////////////////////////////////

#include <Riostream.h>
#include <TFile.h>
#include <TPolyMarker3D.h>

#include "AliClusters.h"
#include "AliDisplay2.h"
#include "AliDisplayClusters.h"
#include "AliITS.h"
#include "AliITSLoader.h"
#include "AliITSclusterV2.h"
#include "AliITSgeom.h"
#include "AliModuleInfo.h"
#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliTPCLoader.h"
#include "AliTPCParam.h"
#include "AliTPCcluster.h"

ClassImp(AliDisplayClusters);

//_____________________________________________________________
AliDisplayClusters::AliDisplayClusters()
{
  //Default constructor
  fPoints = new TPolyMarker3D[gAliDisplay2->GetNbModules()];
  fName = new char*[gAliDisplay2->GetNbModules()];
  fNb=0;
  for(Int_t i=0;i<gAliDisplay2->GetNbModules();i++){
    fPoints[i].SetMarkerSize(0.2); 
    fPoints[i].SetMarkerColor(2); 
    fPoints[i].SetMarkerStyle(1);
  }
}

//_____________________________________________________________
AliDisplayClusters::~AliDisplayClusters()
{
  // Destructor
  delete [] fPoints;
}

//_____________________________________________________________
Int_t AliDisplayClusters::GetNbClusters()
{
  // Returns the number of clusters
  Int_t r=0;
  for(Int_t i=0;i<fNb;i++){
     if(gAliDisplay2->GetModuleInfo()->IsEnabled(fName[i])) r+=fPoints[i].GetN();
  }
  return r;
}

//_____________________________________________________________
void AliDisplayClusters::LoadClusters(const char *name,Int_t nevent)
{
  // Loads ITS and TPC clusters
  if(strstr(name,"ITS")) LoadITSClusters(nevent);
  if(strstr(name,"TPC")) LoadTPCClusters(nevent);
}

//_____________________________________________________________
void AliDisplayClusters::LoadITSClusters(Int_t nevent)
{
  // Loads ITS clusters
  fName[fNb]=new char[strlen("ITS")];
  strcpy(fName[fNb],"ITS");
  AliRunLoader *rl = AliRunLoader::Open("galice.root");
  if(!rl) {
    cerr<<"Can't open galice.root";
    return;
  }
  AliITSLoader *itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
  AliITS *its  = (AliITS*)gAlice->GetModule("ITS");
  
  rl->GetEvent(nevent);
  itsl->LoadRecPoints();
  TTree *cTree=itsl->TreeR();
  if(!cTree)
  {
    cerr<<"Error occured during ITS clusters load";
    return;
  }

  AliITSgeom *geom=its->GetITSgeom();
  Int_t count = 0;

  TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
  TBranch *branch=cTree->GetBranch("Clusters");
  branch->SetAddress(&clusters);
  Int_t nentr=(Int_t)cTree->GetEntries();
  for (Int_t i=0; i<nentr; i++) {
       if (!cTree->GetEvent(i)) continue;

   	Double_t rot[9];     
	geom->GetRotMatrix(i,rot);
       	Int_t lay,lad,det; 
	geom->GetModuleId(i,lay,lad,det);
  	Float_t tx,ty,tz;  
	geom->GetTrans(lay,lad,det,tx,ty,tz);     

      	Double_t r=-tx*rot[1]+ty*rot[0];          
	if (lay==1) r=-r;
      	Double_t phi=TMath::ATan2(rot[1],rot[0]); 
	if (lay==1) phi-=3.1415927;
      	Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);

      	Int_t ncl=clusters->GetEntriesFast();
       	while (ncl--) {
           	AliITSclusterV2 *c=(AliITSclusterV2*)clusters->UncheckedAt(ncl);
           	Double_t g[3];
           	g[0]= r*cp + c->GetY()*sp; //
           	g[1]=-r*sp + c->GetY()*cp; //
	   	g[2]=c->GetZ();
		fPoints[fNb].SetPoint(count,g[0],g[1],g[2]);
		count++;
       	}
   }
  fNb++;
}

//_____________________________________________________________
void AliDisplayClusters::LoadTPCClusters(Int_t nevent)
{ 
  // Loads TPC clusters  
  fName[fNb]=new char[strlen("TPC")];
  strcpy(fName[fNb],"TPC");
  TFile *file = TFile::Open("galice.root");
  AliTPCParam *dig=(AliTPCParam *)file->Get("75x40_100x60_150x60");
  if (!dig) {cerr<<"TPC parameters have not been found !\n";}
  file->Close();

  AliRunLoader *rl = AliRunLoader::Open("galice.root");
  if(!rl) {
    cerr<<"Can't open galice.root";
    return;
  }
  AliTPCLoader *itsl = (AliTPCLoader*)rl->GetLoader("TPCLoader");
  if(!itsl){
    cerr<<"Can't find Loader";
    return;
  }
  
  rl->GetEvent(nevent);
  itsl->LoadRecPoints();
  TTree *cTree=itsl->TreeR();
  if(!cTree)
  {
    cerr<<"Error during TPC clusters load";
    return;
  }

  Int_t count = 0;
  Float_t noiseth = 10;

   AliClusters *clusters=new AliClusters(); 
   clusters->SetClass("AliTPCcluster");

   cTree->SetBranchAddress("Segment",&clusters);

   Int_t nrows=Int_t(cTree->GetEntries());
   for (Int_t n=0; n<nrows; n++) {
       cTree->GetEvent(n);
       Int_t sec,row;
       dig->AdjustSectorRow(clusters->GetID(),sec,row);
       TClonesArray &clrow=*clusters->GetArray();
       Int_t ncl=clrow.GetEntriesFast();
       while (ncl--) {
           AliTPCcluster *cl=(AliTPCcluster*)clrow[ncl];
           Double_t x=dig->GetPadRowRadii(sec,row), y=cl->GetY(), z=cl->GetZ();
	   if (cl->GetQ()<noiseth) continue;
           Float_t cs, sn, tmp;
           dig->AdjustCosSin(sec,cs,sn);
           tmp = x*cs-y*sn; y= x*sn+y*cs; x=tmp;
	   fPoints[fNb].SetPoint(count,x,y,z);
	   count++;
       }
       clrow.Clear();
      
   }
   delete cTree;
   delete dig;
   fNb++;
  
}

//_____________________________________________________________
void AliDisplayClusters::Draw()
{
  // Draws clusters
  for(Int_t i=0;i<fNb;i++){
    if(gAliDisplay2->GetModuleInfo()->IsEnabled(fName[i])) fPoints[i].Draw();
  }
}
Commit	Line	Data
7bb7ac14	1	/**************************************************************************
	2	* Copyright(c) 1998-2003, 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	// ALICE DISPLAY CLUSTERS CLASS //
	17	// Author: Mayeul ROUSSELET //
	18	// e-mail: Mayeul.Rousselet@cern.ch //
	19	// Last update:26/08/2003 //
	20	/////////////////////////////////////////////////////////////////////////
	21
	22	#include <Riostream.h>
024a7e64	23	#include <TFile.h>
7bb7ac14	24	#include <TPolyMarker3D.h>
7bb7ac14	25
024a7e64	26	#include "AliClusters.h"
024a7e64	27	#include "AliDisplay2.h"
7bb7ac14	28	#include "AliDisplayClusters.h"
7bb7ac14	29	#include "AliITS.h"
7bb7ac14	30	#include "AliITSLoader.h"
7bb7ac14	31	#include "AliITSclusterV2.h"
024a7e64	32	#include "AliITSgeom.h"
	33	#include "AliModuleInfo.h"
	34	#include "AliRun.h"
	35	#include "AliRunLoader.h"
7bb7ac14	36	#include "AliTPCLoader.h"
024a7e64	37	#include "AliTPCParam.h"
7bb7ac14	38	#include "AliTPCcluster.h"
7bb7ac14	39
7bb7ac14	40	ClassImp(AliDisplayClusters);
	41
	42	//_____________________________________________________________
	43	AliDisplayClusters::AliDisplayClusters()
	44	{
	45	//Default constructor
	46	fPoints = new TPolyMarker3D[gAliDisplay2->GetNbModules()];
	47	fName = new char*[gAliDisplay2->GetNbModules()];
	48	fNb=0;
	49	for(Int_t i=0;i<gAliDisplay2->GetNbModules();i++){
	50	fPoints[i].SetMarkerSize(0.2);
	51	fPoints[i].SetMarkerColor(2);
	52	fPoints[i].SetMarkerStyle(1);
	53	}
	54	}
	55
	56	//_____________________________________________________________
	57	AliDisplayClusters::~AliDisplayClusters()
	58	{
	59	// Destructor
	60	delete [] fPoints;
	61	}
	62
	63	//_____________________________________________________________
	64	Int_t AliDisplayClusters::GetNbClusters()
	65	{
	66	// Returns the number of clusters
	67	Int_t r=0;
	68	for(Int_t i=0;i<fNb;i++){
	69	if(gAliDisplay2->GetModuleInfo()->IsEnabled(fName[i])) r+=fPoints[i].GetN();
	70	}
	71	return r;
	72	}
	73
	74	//_____________________________________________________________
	75	void AliDisplayClusters::LoadClusters(const char *name,Int_t nevent)
	76	{
	77	// Loads ITS and TPC clusters
	78	if(strstr(name,"ITS")) LoadITSClusters(nevent);
	79	if(strstr(name,"TPC")) LoadTPCClusters(nevent);
	80	}
	81
	82	//_____________________________________________________________
	83	void AliDisplayClusters::LoadITSClusters(Int_t nevent)
	84	{
	85	// Loads ITS clusters
	86	fName[fNb]=new char[strlen("ITS")];
	87	strcpy(fName[fNb],"ITS");
	88	AliRunLoader *rl = AliRunLoader::Open("galice.root");
	89	if(!rl) {
	90	cerr<<"Can't open galice.root";
	91	return;
	92	}
	93	AliITSLoader itsl = (AliITSLoader)rl->GetLoader("ITSLoader");
	94	AliITS its = (AliITS)gAlice->GetModule("ITS");
	95
	96	rl->GetEvent(nevent);
	97	itsl->LoadRecPoints();
	98	TTree *cTree=itsl->TreeR();
	99	if(!cTree)
	100	{
	101	cerr<<"Error occured during ITS clusters load";
	102	return;
	103	}
104
105	AliITSgeom *geom=its->GetITSgeom();
106	Int_t count = 0;
107
108	TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
109	TBranch *branch=cTree->GetBranch("Clusters");
110	branch->SetAddress(&clusters);
111	Int_t nentr=(Int_t)cTree->GetEntries();
112	for (Int_t i=0; i<nentr; i++) {
113	if (!cTree->GetEvent(i)) continue;
114
115	Double_t rot[9];
116	geom->GetRotMatrix(i,rot);
117	Int_t lay,lad,det;
118	geom->GetModuleId(i,lay,lad,det);
119	Float_t tx,ty,tz;
120	geom->GetTrans(lay,lad,det,tx,ty,tz);
121
122	Double_t r=-txrot[1]+tyrot[0];
123	if (lay==1) r=-r;
124	Double_t phi=TMath::ATan2(rot[1],rot[0]);
125	if (lay==1) phi-=3.1415927;
126	Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);
127
128	Int_t ncl=clusters->GetEntriesFast();
129	while (ncl--) {
130	AliITSclusterV2 c=(AliITSclusterV2)clusters->UncheckedAt(ncl);
131	Double_t g[3];
132	g[0]= rcp + c->GetY()sp; //
133	g[1]=-rsp + c->GetY()cp; //
134	g[2]=c->GetZ();
135	fPoints[fNb].SetPoint(count,g[0],g[1],g[2]);
136	count++;
137	}
138	}
139	fNb++;
140	}
141
142	//_____________________________________________________________
143	void AliDisplayClusters::LoadTPCClusters(Int_t nevent)
144	{
145	// Loads TPC clusters
146	fName[fNb]=new char[strlen("TPC")];
147	strcpy(fName[fNb],"TPC");
148	TFile *file = TFile::Open("galice.root");
149	AliTPCParam dig=(AliTPCParam )file->Get("75x40_100x60_150x60");
150	if (!dig) {cerr<<"TPC parameters have not been found !\n";}
151	file->Close();
152
153	AliRunLoader *rl = AliRunLoader::Open("galice.root");
154	if(!rl) {
155	cerr<<"Can't open galice.root";
156	return;
157	}
158	AliTPCLoader itsl = (AliTPCLoader)rl->GetLoader("TPCLoader");
159	if(!itsl){
160	cerr<<"Can't find Loader";
161	return;
162	}
163
164	rl->GetEvent(nevent);
165	itsl->LoadRecPoints();
166	TTree *cTree=itsl->TreeR();
167	if(!cTree)
168	{
169	cerr<<"Error during TPC clusters load";
170	return;
171	}
172
173	Int_t count = 0;
174	Float_t noiseth = 10;
175
176	AliClusters *clusters=new AliClusters();
177	clusters->SetClass("AliTPCcluster");
178
179	cTree->SetBranchAddress("Segment",&clusters);
180
181	Int_t nrows=Int_t(cTree->GetEntries());
182	for (Int_t n=0; n<nrows; n++) {
183	cTree->GetEvent(n);
184	Int_t sec,row;
185	dig->AdjustSectorRow(clusters->GetID(),sec,row);
186	TClonesArray &clrow=*clusters->GetArray();
187	Int_t ncl=clrow.GetEntriesFast();
188	while (ncl--) {
189	AliTPCcluster cl=(AliTPCcluster)clrow[ncl];
190	Double_t x=dig->GetPadRowRadii(sec,row), y=cl->GetY(), z=cl->GetZ();
191	if (cl->GetQ()<noiseth) continue;
192	Float_t cs, sn, tmp;
193	dig->AdjustCosSin(sec,cs,sn);
194	tmp = xcs-ysn; y= xsn+ycs; x=tmp;
195	fPoints[fNb].SetPoint(count,x,y,z);
196	count++;
197	}
198	clrow.Clear();
199
200	}
201	delete cTree;
202	delete dig;
203	fNb++;
204
205	}
206
207	//_____________________________________________________________
208	void AliDisplayClusters::Draw()
209	{
210	// Draws clusters
211	for(Int_t i=0;i<fNb;i++){
212	if(gAliDisplay2->GetModuleInfo()->IsEnabled(fName[i])) fPoints[i].Draw();
213	}
214	}
215