Changes related to the extraction of the V0 finder into a separate class (A. Dainese...
[u/mrichter/AliRoot.git] / ITS / ShowITSRecPoints.C
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29d63bb9 1#if !defined(__CINT__) || defined(__MAKECINT__)
2#include <TCanvas.h>
3#include <TClassTable.h>
4#include <TGraph.h>
5#include <TGraph2D.h>
6#include <TGeoManager.h>
7#include <TH1.h>
8#include <TInterpreter.h>
29d63bb9 9#include "AliGeomManager.h"
10#include "AliHeader.h"
11#include "AliITS.h"
12#include "AliITSDetTypeRec.h"
7285ac7a 13#include "AliITSgeomTGeo.h"
29d63bb9 14#include "AliITSRecPoint.h"
15#include "AliRun.h"
16#endif
17
7285ac7a 18Int_t ShowITSRecPoints(Int_t nevfordisp=0){
29d63bb9 19 ///////////////////////////////////////////////////////////////////////
20 // Macro to check clusters in the 6 ITS layers //
21 // Provides: //
22 // 6 canvases with 9 plots each (1 canvas for each layer) //
23 // 3 canvases with cluster XY coordinates for the first 3 events //
24 ///////////////////////////////////////////////////////////////////////
25
26 if (gClassTable->GetID("AliRun") < 0) {
27 gInterpreter->ExecuteMacro("loadlibs.C");
28 }
29d63bb9 29
30 // retrives geometry
31 if(!gGeoManager){
32 AliGeomManager::LoadGeometry("geometry.root");
33 }
34
35 AliRunLoader* rl = AliRunLoader::Open("galice.root");
36 if (rl == 0x0){
37 cerr<<"Can not open session RL=NULL"<< endl;
38 return -1;
39 }
29d63bb9 40
41 AliITSLoader* ITSloader = (AliITSLoader*) rl->GetLoader("ITSLoader");
42 if(!ITSloader){
43 cerr<<"ITS loader not found"<<endl;
44 return -1;
45 }
46 ITSloader->LoadRecPoints("read");
47
48 Float_t cluglo[3]={0.,0.,0.};
29d63bb9 49 AliITSDetTypeRec* detTypeRec = new AliITSDetTypeRec();
29d63bb9 50
7285ac7a 51 Int_t totmod=AliITSgeomTGeo::GetNModules();
52 Int_t modmin=AliITSgeomTGeo::GetModuleIndex(1,1,1);
53 Int_t modmax=AliITSgeomTGeo::GetNModules()-1;
54
29d63bb9 55 Float_t xlim[6]={4.5,7.5,16.,26.,40.,45.};
56 Float_t zlim[6]={15.,15.,22.,30.,45.,55.};
57
97e78ca8 58 TH1F* hlayer=new TH1F("hlayer","",6,-0.5,5.5);
29d63bb9 59 TH1F** hmod=new TH1F*[6];
60 TH1F** hxl=new TH1F*[6];
61 TH1F** hzl=new TH1F*[6];
62 TH1F** hxg=new TH1F*[6];
63 TH1F** hyg=new TH1F*[6];
64 TH1F** hzg=new TH1F*[6];
65 TH1F** hr=new TH1F*[6];
66 TH1F** hphi=new TH1F*[6];
67 TH1F** hq=new TH1F*[6];
68
69 Char_t name[10];
70 for(Int_t iLay=0;iLay<6;iLay++){
71 sprintf(name,"hmod%d",iLay+1);
72 hmod[iLay]=new TH1F(name,"",totmod,modmin-0.5,modmax+0.5);
73 hmod[iLay]->GetXaxis()->SetTitle("Module");
74 hmod[iLay]->GetXaxis()->CenterTitle();
75 sprintf(name,"hxloc%d",iLay+1);
76 hxl[iLay]=new TH1F(name,"",100,-4.,4.);
77 hxl[iLay]->GetXaxis()->SetTitle("Xloc (cm)");
78 hxl[iLay]->GetXaxis()->CenterTitle();
79 sprintf(name,"hzloc%d",iLay+1);
80 hzl[iLay]=new TH1F(name,"",100,-4.,4.);
81 hzl[iLay]->GetXaxis()->SetTitle("Zloc (cm)");
82 hzl[iLay]->GetXaxis()->CenterTitle();
83 sprintf(name,"hxgl%d",iLay+1);
84 hxg[iLay]=new TH1F(name,"",100,-xlim[iLay],xlim[iLay]);
85 hxg[iLay]->GetXaxis()->SetTitle("Xglob (cm)");
86 hxg[iLay]->GetXaxis()->CenterTitle();
87 sprintf(name,"hygl%d",iLay+1);
88 hyg[iLay]=new TH1F(name,"",100,-xlim[iLay],xlim[iLay]);
89 hyg[iLay]->GetXaxis()->SetTitle("Yglob (cm)");
90 hyg[iLay]->GetXaxis()->CenterTitle();
91 sprintf(name,"hzgl%d",iLay+1);
92 hzg[iLay]=new TH1F(name,"",100,-zlim[iLay],zlim[iLay]);
93 hzg[iLay]->GetXaxis()->SetTitle("Zglob (cm)");
94 hzg[iLay]->GetXaxis()->CenterTitle();
95 sprintf(name,"hr%d",iLay+1);
96 hr[iLay]=new TH1F(name,"",100,0.,50.);
97 hr[iLay]->GetXaxis()->SetTitle("r (cm)");
98 hr[iLay]->GetXaxis()->CenterTitle();
99 sprintf(name,"hphi%d",iLay+1);
100 hphi[iLay]=new TH1F(name,"",100,-TMath::Pi(),TMath::Pi());
101 hphi[iLay]->GetXaxis()->SetTitle("#varphi (rad)");
102 hphi[iLay]->GetXaxis()->CenterTitle();
103 sprintf(name,"hq%d",iLay+1);
104 hq[iLay]=new TH1F(name,"",100,0.,300.);
105 hq[iLay]->GetXaxis()->SetTitle("Charge (keV)");
106 hq[iLay]->GetXaxis()->CenterTitle();
107 }
108
7285ac7a 109 TGraph *gptsXY=new TGraph(0);
110 TGraph *gptsRZ=new TGraph(0);
111
29d63bb9 112 Int_t totev=rl->GetNumberOfEvents();
113 printf("Total Number of events = %d\n",totev);
114
115 for(Int_t iev=0;iev<totev;iev++){
116 rl->GetEvent(iev);
117 TTree *TR = ITSloader->TreeR();
118 TClonesArray *ITSrec = detTypeRec->RecPoints();
119 TBranch *branch = 0;
120 if(TR && ITSrec){
121 branch = ITSloader->TreeR()->GetBranch("ITSRecPoints");
122 if(branch)branch->SetAddress(&ITSrec);
123 }
4e247ed3 124 if(iev%100==0) printf("Event #%d\n",iev);
29d63bb9 125
126
127 Int_t ipt=0;
7285ac7a 128 for (Int_t mod=modmin; mod<=modmax; mod++){
129 detTypeRec->ResetRecPoints();
130 branch->GetEvent(mod);
131 Int_t nrecp = ITSrec->GetEntries();
132 if(nrecp>0){
133 for(Int_t irec=0;irec<nrecp;irec++) {
134 AliITSRecPoint *recp = (AliITSRecPoint*)ITSrec->At(irec);
135 Int_t lay=recp->GetLayer();
136 hlayer->Fill(lay);
137 recp->GetGlobalXYZ(cluglo);
138 Float_t rad=TMath::Sqrt(cluglo[0]*cluglo[0]+cluglo[1]*cluglo[1]);
139 Float_t phi=TMath::ATan2(cluglo[1],cluglo[0]);
140 if(iev==nevfordisp){
141 gptsXY->SetPoint(ipt,cluglo[0],cluglo[1]);
142 if(cluglo[1]>0) gptsRZ->SetPoint(ipt,cluglo[2],rad);
143 else gptsRZ->SetPoint(ipt,cluglo[2],-rad);
144 ipt++;
29d63bb9 145 }
7285ac7a 146 hmod[lay]->Fill(mod);
147 hzl[lay]->Fill(recp->GetDetLocalZ());
148 hxl[lay]->Fill(recp->GetDetLocalX());
149 hzg[lay]->Fill(cluglo[2]);
150 hyg[lay]->Fill(cluglo[1]);
151 hxg[lay]->Fill(cluglo[0]);
152 hr[lay]->Fill(rad);
153 hphi[lay]->Fill(phi);
154 hq[lay]->Fill(recp->GetQ());
29d63bb9 155 }
156 }
157 }
158 }
7285ac7a 159
29d63bb9 160 TCanvas **c=new TCanvas*[6];
161 Char_t ctit[30];
162 for(Int_t iLay=0;iLay<6;iLay++){
163 sprintf(name,"can%d",iLay+1);
164 sprintf(ctit,"Layer %d",iLay+1);
165 c[iLay]=new TCanvas(name,ctit,1200,900);
166 c[iLay]->Divide(3,3,0.001,0.001);
167 c[iLay]->cd(1);
168 hmod[iLay]->Draw();
169 c[iLay]->cd(2);
170 hxl[iLay]->Draw();
171 c[iLay]->cd(3);
172 hzl[iLay]->Draw();
173 c[iLay]->cd(4);
174 hxg[iLay]->Draw();
175 c[iLay]->cd(5);
176 hyg[iLay]->Draw();
177 c[iLay]->cd(6);
178 hzg[iLay]->Draw();
179 c[iLay]->cd(7);
180 hr[iLay]->Draw();
181 c[iLay]->cd(8);
182 hphi[iLay]->Draw();
183 c[iLay]->cd(9);
184 hq[iLay]->Draw();
185 }
186
187 TCanvas *cev0;
7285ac7a 188 sprintf(ctit,"Event %d XY",nevfordisp);
189 cev0=new TCanvas("cev0",ctit,600,600);
190 if(gptsXY->GetN()>0){
191 gptsXY->SetMarkerStyle(7);
192 gptsXY->SetTitle(0);
193 gptsXY->Draw("AP");
194 gptsXY->GetXaxis()->SetTitle("Xglob");
195 gptsXY->GetYaxis()->SetTitle("Yglob");
196 }
29d63bb9 197
198 TCanvas *cev1;
7285ac7a 199 sprintf(ctit,"Event %d Zr",nevfordisp);
200 cev1=new TCanvas("cev1",ctit,600,600);
201 if(gptsRZ->GetN()>0){
202 gptsRZ->SetMarkerStyle(7);
203 gptsRZ->SetTitle(0);
204 gptsRZ->Draw("AP");
205 gptsRZ->GetXaxis()->SetTitle("Zglob");
206 gptsRZ->GetYaxis()->SetTitle("Radius");
207 }
29d63bb9 208
209 return 0;
210}
211
212