1 /****************************************************************************
2 * Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch *
3 ****************************************************************************/
11 #include <TPolyMarker3D.h>
13 #include <TGeometry.h>
15 #include "AliTPCParam.h"
16 #include "AliTPCClustersArray.h"
17 #include "AliTPCClustersRow.h"
18 #include "AliTPCcluster.h"
21 Int_t AliTPCDisplayClusters(Int_t eventn=0, Int_t noiseth=15) {
22 cerr<<"Displaying clusters...\n";
24 TFile *file=TFile::Open("galice.root");
25 if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; return 1;}
27 TFile *cf=TFile::Open("AliTPCclusters.root");
28 if (!cf->IsOpen()){cerr<<"Can't open AliTPCclusters.root !\n"; return 3;}
30 AliTPCParam *dig=(AliTPCParam *)cf->Get("75x40_100x60_150x60");
31 if (!dig) {cerr<<"TPC parameters have not been found !\n"; return 2;}
33 TCanvas *c1=new TCanvas("cdisplay", "Cluster display",0,0,700,730);
34 TView *v=new TView(1);
35 v->SetRange(-430,-560,-430,430,560,1710);
41 AliTPCClustersArray *ca=new AliTPCClustersArray;
43 ca->SetClusterType("AliTPCcluster");
45 sprintf(cname,"TreeC_TPC_%d",eventn);
47 ca->ConnectTree(cname);
48 Int_t nrows=Int_t(ca->GetTree()->GetEntries());
49 for (Int_t n=0; n<nrows; n++) {
50 AliSegmentID *s=ca->LoadEntry(n);
52 dig->AdjustSectorRow(s->GetID(),sec,row);
53 AliTPCClustersRow &clrow = *ca->GetRow(sec,row);
54 Int_t ncl=clrow.GetArray()->GetEntriesFast();
55 TPolyMarker3D *pm=new TPolyMarker3D(ncl);
57 AliTPCcluster *cl=(AliTPCcluster*)clrow[ncl];
58 Double_t x=dig->GetPadRowRadii(sec,row), y=cl->GetY(), z=cl->GetZ();
59 if (cl->GetQ()<noiseth) continue;
61 dig->AdjustCosSin(sec,cs,sn);
62 tmp = x*cs-y*sn; y= x*sn+y*cs; x=tmp;
63 pm->SetPoint(ncl,x,y,z);
65 ca->ClearRow(sec,row);
66 pm->SetMarkerSize(1); pm->SetMarkerColor(2); pm->SetMarkerStyle(1);
72 TGeometry *geom=(TGeometry*)file->Get("AliceGeom");
73 TNode * main = (TNode*)((geom->GetListOfNodes())->First());
74 TIter next(main->GetListOfNodes());
76 while((module = (TNode*)next())) {
78 sprintf(ch,"%s\n",module->GetTitle());
79 //printf("%s\n",module->GetTitle());
80 if (ch[0]=='T'&&ch[1]=='P' && ch[2]=='C') //if TPC draw
81 module->SetVisibility(3);
83 module->SetVisibility(-1);
89 c1->Modified(); c1->Update();