1 /**************************************************************************
2 * This file is property of and copyright by the ALICE HLT Project *
3 * ALICE Experiment at CERN, All rights reserved. *
5 * Primary Authors: Svein Lindal <slindal@fys.uio.no > *
6 * for The ALICE HLT Project. *
8 * Permission to use, copy, modify and distribute this software and its *
9 * documentation strictly for non-commercial purposes is hereby granted *
10 * without fee, provided that the above copyright notice appears in all *
11 * copies and that both the copyright notice and this permission notice *
12 * appear in the supporting documentation. The authors make no claims *
13 * about the suitability of this software for any purpose. It is *
14 * provided "as is" without express or implied warranty. *
15 **************************************************************************/
17 /// @file AliHLTEvePhos.cxx
18 /// @author Svein Lindal <slindal@fys.uio.no>
19 /// @brief HLT class for the HLT EVE display
21 #include "AliHLTEveHLT.h"
22 #include "AliHLTHOMERBlockDesc.h"
23 #include "AliHLTEveBase.h"
24 #include "AliEveHOMERManager.h"
25 #include "TEveManager.h"
26 #include "TEvePointSet.h"
27 #include "TEveTrack.h"
29 #include "AliESDEvent.h"
30 #include "TEveTrackPropagator.h"
31 #include "AliEveTrack.h"
32 #include "TEveVSDStructs.h"
34 #include "TPCLib/tracking-ca/AliHLTTPCCATrackParam.h"
35 #include "TPCLib/tracking-ca/AliHLTTPCCATrackConvertor.h"
36 #include "AliEveMagField.h"
40 ClassImp(AliHLTEveHLT)
42 AliHLTEveHLT::AliHLTEveHLT() :
45 fUseIpOnFailedITS(kFALSE),
46 fUseRkStepper(kFALSE),
62 AliHLTEveHLT::~AliHLTEveHLT()
64 //Destructor, not implemented
70 void AliHLTEveHLT::CreateHistograms(){
71 //See header file for documentation
72 fHistPt = new TH1F("fHistPt", "transverse momentum", 100, 0, 10); // KK
73 fHistP = new TH1F("fHistP", "signed momentum", 100,-7, 7);
74 fHistEta = new TH1F("fHistEta", "pseudorapidity", 100,-2, 2);
75 fHistTheta = new TH1F("fHistTheta", "polar angle", 180, 0,180);
76 fHistPhi = new TH1F("fHistPhi", "azimuthal angle", 180, 0,360);
77 fHistnClusters = new TH1F("fHistnClusters","TPC clusters per track", 160, 0,160);
78 fHistMult = new TH1F("fHistMult", "event track multiplicity",50, 0, 50);
80 fHistPt ->SetXTitle("p_{t} (GeV/c)"); // KK
81 fHistP ->SetXTitle("P*charge (GeV/c)");
82 fHistEta ->SetXTitle("#eta");
83 fHistTheta->SetXTitle("#theta (degrees)");
84 fHistPhi ->SetXTitle("#phi (degrees)");
88 void AliHLTEveHLT::ProcessBlock(AliHLTHOMERBlockDesc * block) {
89 //See header file for documentation
90 if ( ! block->GetDataType().CompareTo("ALIESDV0") ) {
91 if(!fTrackList) CreateTrackList();
92 ProcessEsdBlock(block, fTrackList);
95 else if ( ! block->GetDataType().CompareTo("ROOTTOBJ") ) {
96 //processROOTTOBJ( block, gHLTText );
99 else if ( ! block->GetDataType().CompareTo("HLTRDLST") ) {
100 //processHLTRDLST( block );
103 else if ( !block->GetDataType().CompareTo("ROOTHIST") ) {
105 fCanvas = CreateCanvas("Primary Vertex", "Primary Vertex");
106 fCanvas->Divide(3, 2);
108 ProcessHistograms( block , fCanvas);
114 void AliHLTEveHLT::UpdateElements() {
115 //See header file for documentation
116 if(fCanvas) fCanvas->Update();
117 if(fTrCanvas) DrawHistograms();
118 if(fTrackList) fTrackList->ElementChanged();
121 void AliHLTEveHLT::ResetElements(){
122 //See header file for documentation
123 if(fTrackList) fTrackList->DestroyElements();
128 void AliHLTEveHLT::ProcessHistograms(AliHLTHOMERBlockDesc * block, TCanvas * canvas) {
129 //See header file for documentation
130 if ( ! block->GetClassName().CompareTo("TH1F")) {
131 TH1F* histo = reinterpret_cast<TH1F*>(block->GetTObject());
133 TString name(histo->GetName());
134 if( !name.CompareTo("primVertexZ") ){
137 }else if( !name.CompareTo("primVertexX") ){
140 }else if( !name.CompareTo("primVertexY") ){
145 } else if ( ! block->GetClassName().CompareTo("TH2F")) {
146 TH2F *hista = reinterpret_cast<TH2F*>(block->GetTObject());
148 TString name(hista->GetName());
149 if( !name.CompareTo("primVertexXY")) {
162 void AliHLTEveHLT::CreateTrackList() {
163 //See header file for documentation
164 fTrackList = new TEveTrackList("ESD Tracks");
165 fTrackList->SetMainColor(6);
166 gEve->AddElement(fTrackList);
170 void AliHLTEveHLT::ProcessEsdBlock( AliHLTHOMERBlockDesc * block, TEveTrackList * cont ) {
171 //See header file for documentation
173 AliESDEvent* esd = (AliESDEvent *) (block->GetTObject());
174 esd->GetStdContent();
176 SetUpTrackPropagator(cont->GetPropagator(),-0.1*esd->GetMagneticField(), 520);
178 for (Int_t iter = 0; iter < esd->GetNumberOfTracks(); ++iter) {
179 AliEveTrack* track = dynamic_cast<AliEveTrack*>(MakeEsdTrack(esd->GetTrack(iter), cont));
180 cont->AddElement(track);
182 fHistPt->Fill(esd->GetTrack(iter)->Pt()); // KK
183 fHistP->Fill(esd->GetTrack(iter)->P()*esd->GetTrack(iter)->Charge());
184 fHistEta->Fill(esd->GetTrack(iter)->Eta());
185 fHistTheta->Fill(esd->GetTrack(iter)->Theta()*TMath::RadToDeg());
186 fHistPhi->Fill(esd->GetTrack(iter)->Phi()*TMath::RadToDeg());
187 fHistnClusters->Fill(esd->GetTrack(iter)->GetTPCNcls());
190 fHistMult->Fill(esd->GetNumberOfTracks()); // KK
193 cont->SetTitle(Form("N=%d", esd->GetNumberOfTracks()) );
199 void AliHLTEveHLT::DrawHistograms(){
200 //See header file for documentation
203 fTrCanvas = CreateCanvas("TPC Tr QA", "TPC Track QA");
204 fTrCanvas->Divide(4, 2);
208 fTrCanvas->cd(icd++);
210 fTrCanvas->cd(icd++);
212 fTrCanvas->cd(icd++);
214 fTrCanvas->cd(icd++);
216 fTrCanvas->cd(icd++);
218 fTrCanvas->cd(icd++);
219 fHistnClusters->Draw();
220 fTrCanvas->cd(icd++);
228 AliEveTrack* AliHLTEveHLT::MakeEsdTrack (AliESDtrack *at, TEveTrackList* cont) {
229 //See header file for documentation
232 const double kCLight = 0.000299792458;
233 double bz = - kCLight*10.*( cont->GetPropagator()->GetMagField(0,0,0).fZ);
235 Bool_t innerTaken = kFALSE;
236 if ( ! at->IsOn(AliESDtrack::kITSrefit) && fUseIpOnFailedITS)
238 //tp = at->GetInnerParam();
242 // Add inner/outer track parameters as path-marks.
244 Double_t pbuf[3], vbuf[3];
246 AliExternalTrackParam trackParam = *at;
248 // take parameters constrained to vertex (if they are)
250 if( at->GetConstrainedParam() ){
251 trackParam = *at->GetConstrainedParam();
253 else if( at->GetInnerParam() ){
254 trackParam = *(at->GetInnerParam());
256 if( at->GetStatus()&AliESDtrack::kTRDin ){
257 // transport to TRD in
259 trackParam.PropagateTo( 290.45, -10.*( cont->GetPropagator()->GetMagField(0,0,0).fZ) );
264 rt.fLabel = at->GetLabel();
265 rt.fIndex = (Int_t) at->GetID();
266 rt.fStatus = (Int_t) at->GetStatus();
267 rt.fSign = (Int_t) trackParam.GetSign();
268 trackParam.GetXYZ(vbuf);
269 trackParam.GetPxPyPz(pbuf);
272 Double_t ep = at->GetP(), mc = at->GetMass();
273 rt.fBeta = ep/TMath::Sqrt(ep*ep + mc*mc);
276 AliEveTrack* track = new AliEveTrack(&rt, cont->GetPropagator());
277 track->SetAttLineAttMarker(cont);
278 track->SetName(Form("AliEveTrack %d", at->GetID()));
279 track->SetElementTitle(CreateTrackTitle(at));
280 track->SetSourceObject(at);
283 // Set reference points along the trajectory
284 // and the last point
287 TEvePathMark startPoint(TEvePathMark::kReference);
288 trackParam.GetXYZ(vbuf);
289 trackParam.GetPxPyPz(pbuf);
290 startPoint.fV.Set(vbuf);
291 startPoint.fP.Set(pbuf);
294 Double_t ep = at->GetP(), mc = at->GetMass();
295 rt.fBeta = ep/TMath::Sqrt(ep*ep + mc*mc);
297 track->AddPathMark( startPoint );
301 if( at->GetTPCPoints(2)>80 ){
304 // use AliHLTTPCCATrackParam propagator
305 // since AliExternalTrackParam:PropagateTo()
306 // has an offset at big distances
309 AliHLTTPCCATrackParam t;
310 AliHLTTPCCATrackConvertor::SetExtParam( t, trackParam );
312 Double_t x0 = trackParam.GetX();
313 Double_t dx = at->GetTPCPoints(2) - x0;
316 // set a reference at the half of trajectory for better drawing
319 for( double dxx=dx/2; TMath::Abs(dxx)>=1.; dxx*=.9 ){
320 if( !t.TransportToX(x0+dxx, bz, .99 ) ) continue;
321 AliHLTTPCCATrackConvertor::GetExtParam( t, trackParam, trackParam.GetAlpha() );
322 trackParam.GetXYZ(vbuf);
323 trackParam.GetPxPyPz(pbuf);
324 TEvePathMark midPoint(TEvePathMark::kReference);
325 midPoint.fV.Set(vbuf);
326 midPoint.fP.Set(pbuf);
327 track->AddPathMark( midPoint );
332 // Set a reference at the end of the trajectory
333 // and a "decay point", to let the event display know where the track ends
336 for( ; TMath::Abs(dx)>=1.; dx*=.9 ){
337 if( !t.TransportToX(x0+dx, bz, .99 ) ) continue;
338 AliHLTTPCCATrackConvertor::GetExtParam( t, trackParam, trackParam.GetAlpha() );
339 trackParam.GetXYZ(vbuf);
340 trackParam.GetPxPyPz(pbuf);
341 TEvePathMark endPoint(TEvePathMark::kReference);
342 TEvePathMark decPoint(TEvePathMark::kDecay);
343 endPoint.fV.Set(vbuf);
344 endPoint.fP.Set(pbuf);
345 decPoint.fV.Set(vbuf);
346 decPoint.fP.Set(pbuf);
347 track->AddPathMark( endPoint );
348 track->AddPathMark( decPoint );
353 if (at->IsOn(AliESDtrack::kTPCrefit))
357 AddTrackParamToTrack(track, at->GetInnerParam());
359 AddTrackParamToTrack(track, at->GetOuterParam());
364 void AliHLTEveHLT::SetUpTrackPropagator(TEveTrackPropagator* trkProp, Float_t magF, Float_t maxR) {
365 //See header file for documentation
368 trkProp->SetMagFieldObj(new AliEveMagField);
371 trkProp->SetMagField(magF);
375 trkProp->SetStepper(TEveTrackPropagator::kRungeKutta);
378 trkProp->SetMaxR(maxR);
382 void AliHLTEveHLT::AddTrackParamToTrack(AliEveTrack* track, const AliExternalTrackParam* tp) {
383 //See header file for documentation
388 Double_t pbuf[3], vbuf[3];
392 TEvePathMark pm(TEvePathMark::kReference);
395 track->AddPathMark(pm);
400 TString AliHLTEveHLT::CreateTrackTitle(AliESDtrack* t) {
401 // Add additional track parameters as a path-mark to track.
405 Int_t label = t->GetLabel(), index = t->GetID();
406 TString idx(index == kMinInt ? "<undef>" : Form("%d", index));
407 TString lbl(label == kMinInt ? "<undef>" : Form("%d", label));
412 Double_t pt = t->Pt();
413 Double_t ptsig = TMath::Sqrt(t->GetSigma1Pt2());
414 Double_t ptsq = pt*pt;
415 Double_t ptm = pt / (1.0 + pt*ptsig);
416 Double_t ptM = pt / (1.0 - pt*ptsig);
418 s = Form("Index=%s, Label=%s\nChg=%d, Pdg=%d\n"
419 "pT = %.3f + %.3f - %.3f [%.3f]\n"
420 "P = (%.3f, %.3f, %.3f)\n"
421 "V = (%.3f, %.3f, %.3f)\n",
422 idx.Data(), lbl.Data(), t->Charge(), 0,
423 pt, ptM - pt, pt - ptm, ptsig*ptsq,
428 s += "Det (in,out,refit,pid):\n";
429 o = AliESDtrack::kITSin;
430 s += Form("ITS (%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3));
431 o = AliESDtrack::kTPCin;
432 s += Form("TPC(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3));
433 o = AliESDtrack::kTRDin;
434 s += Form("TRD(%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3));
435 o = AliESDtrack::kTOFin;
436 s += Form("TOF(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3));
437 o = AliESDtrack::kHMPIDout;
438 s += Form("HMPID(out=%d,pid=%d)\n", t->IsOn(o), t->IsOn(o<<1));
439 s += Form("ESD pid=%d", t->IsOn(AliESDtrack::kESDpid));
441 if (t->IsOn(AliESDtrack::kESDpid))
445 s += Form("\n[%.2f %.2f %.2f %.2f %.2f]", pid[0], pid[1], pid[2], pid[3], pid[4]);