X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSTrackSegmentMakerv1.cxx;h=203abda60f7c51fa5731b9b7d629c57afbcd8e3d;hb=54df6e4de7daa0edd0d9ec406055f7aca4432d4a;hp=a4d319e551ecea76491c39f204116bc8d21d5610;hpb=e718c1580dd6c213bf15abf79aa568d9c875da7a;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSTrackSegmentMakerv1.cxx b/PHOS/AliPHOSTrackSegmentMakerv1.cxx index a4d319e551e..203abda60f7 100644 --- a/PHOS/AliPHOSTrackSegmentMakerv1.cxx +++ b/PHOS/AliPHOSTrackSegmentMakerv1.cxx @@ -13,6 +13,33 @@ * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ + +/* History of cvs commits: + * + * $Log$ + * Revision 1.79 2006/04/25 12:41:15 hristov + * Moving non-persistent data to AliESDfriend (Yu.Belikov) + * + * Revision 1.78 2005/11/18 13:04:51 hristov + * Bug fix + * + * Revision 1.77 2005/11/17 23:34:36 hristov + * Corrected logics + * + * Revision 1.76 2005/11/17 22:29:12 hristov + * Faster version, no attempt to match tracks outside the PHOS acceptance + * + * Revision 1.75 2005/11/17 12:35:27 hristov + * Use references instead of objects. Avoid to create objects when they are not really needed + * + * Revision 1.74 2005/07/08 14:01:36 hristov + * Tracking in non-uniform nmagnetic field (Yu.Belikov) + * + * Revision 1.73 2005/05/28 14:19:05 schutz + * Compilation warnings fixed by T.P. + * + */ + //_________________________________________________________________________ // Implementation version 1 of algorithm class to construct PHOS track segments // Track segment for PHOS is list of @@ -61,26 +88,70 @@ ClassImp( AliPHOSTrackSegmentMakerv1) //____________________________________________________________________________ - AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1() : AliPHOSTrackSegmentMaker() +AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1() : + AliPHOSTrackSegmentMaker(), + fDefaultInit(kTRUE), + fWrite(kFALSE), + fNTrackSegments(0), + fRcpv(0.f), + fRtpc(0.f), + fLinkUpArray(0), + fEmcFirst(0), + fEmcLast(0), + fCpvFirst(0), + fCpvLast(0), + fModule(0), + fTrackSegmentsInRun(0) + { // default ctor (to be used mainly by Streamer) - InitParameters() ; - fDefaultInit = kTRUE ; } //____________________________________________________________________________ - AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const TString alirunFileName, const TString eventFolderName) - :AliPHOSTrackSegmentMaker(alirunFileName, eventFolderName) +AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const TString & alirunFileName, const TString & eventFolderName) : + AliPHOSTrackSegmentMaker(alirunFileName, eventFolderName), + fDefaultInit(kFALSE), + fWrite(kFALSE), + fNTrackSegments(0), + fRcpv(0.f), + fRtpc(0.f), + fLinkUpArray(0), + fEmcFirst(0), + fEmcLast(0), + fCpvFirst(0), + fCpvLast(0), + fModule(0), + fTrackSegmentsInRun(0) { // ctor - InitParameters() ; Init() ; - fDefaultInit = kFALSE ; fESD = 0; } + +AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) : + AliPHOSTrackSegmentMaker(tsm), + fDefaultInit(kFALSE), + fWrite(kFALSE), + fNTrackSegments(0), + fRcpv(0.f), + fRtpc(0.f), + fLinkUpArray(0), + fEmcFirst(0), + fEmcLast(0), + fCpvFirst(0), + fCpvLast(0), + fModule(0), + fTrackSegmentsInRun(0) +{ + // cpy ctor: no implementation yet + // requested by the Coding Convention + Fatal("cpy ctor", "not implemented") ; +} + + //____________________________________________________________________________ AliPHOSTrackSegmentMakerv1::~AliPHOSTrackSegmentMakerv1() { @@ -130,10 +201,10 @@ Float_t AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * // Calculates the distance between the EMC RecPoint and the CPV RecPoint // Clusters are sorted in "rows" and "columns" of width 1 cm - Float_t delta = 1 ; // Width of the rows in sorting of RecPoints (in cm) + //Float_t delta = 1 ; // Width of the rows in sorting of RecPoints (in cm) // if you change this value, change it as well in xxxRecPoint::Compare() Float_t distance2Cpv = fRcpv ; - Float_t distance2Track = fRcpv ; + Float_t distance2Track = fRtpc ; trackindex = -1 ; // closest track within fRCpv @@ -151,21 +222,59 @@ Float_t AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * distance2Cpv = (vecCpv - vecEmc).Mag() ; if (fESD != 0x0) { + AliPHOSGetter * gime = AliPHOSGetter::Instance() ; + const AliPHOSGeometry * geom = gime->PHOSGeometry() ; + + Double_t rPHOS = geom->GetIPtoCrystalSurface(); + + //PH Acceptance boundaries for each PHOS module + Int_t nModules = geom->GetNModules(); + Double_t * thmin = new Double_t[nModules];// theta min + Double_t * thmax = new Double_t[nModules];// theta max + Double_t * phmin = new Double_t[nModules];// phi min + Double_t * phmax = new Double_t[nModules];// phi max + + for (Int_t imod=0; imodEmcModuleCoverage(imod, + thmin[imod],thmax[imod], + phmin[imod],phmax[imod]); + } + // Extrapolate the global track direction if any to CPV and find the closest track Int_t nTracks = fESD->GetNumberOfTracks(); Int_t iClosestTrack = -1; Double_t minDistance = 1e6; Double_t pxyz[3], xyz[3]; + TVector3 inPHOS; //PH Used to calculate theta and phi + + //PH Loop on tracks AliESDtrack *track; for (Int_t iTrack=0; iTrackGetTrack(iTrack); - if (track->IsPHOS()) - continue ; - track->GetOuterXYZ(xyz); // track coord on the cylinder of PHOS radius + if (!track->GetXYZAt(rPHOS, fESD->GetMagneticField(), xyz)) + continue; //track coord on the cylinder of PHOS radius if ((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0) - continue; - track->GetOuterPxPyPz(pxyz); // track momentum ibid. - vecDist = PropagateToPlane(xyz,pxyz,"CPV",cpvClu->GetPHOSMod()); + continue; + //PH Here one has to cut out the tracks which are not inside the PHOS + //PH acceptance + inPHOS.SetXYZ(xyz[0],xyz[1],xyz[2]); + Double_t inPhi = inPHOS.Phi(); + Double_t inTheta = inPHOS.Theta(); + + Bool_t skip = kTRUE; + for (Int_t imod=0; imod inTheta && + phmin[imod] < inPhi && phmax[imod] > inPhi) { + skip = kFALSE; + break; + } + } + if (skip) continue; //PH Skip, if not in the PHOS acceptance + + if (!track->GetPxPyPzAt(rPHOS, fESD->GetMagneticField(), pxyz)) + continue; // track momentum ibid. + PropagateToPlane(vecDist,xyz,pxyz,"CPV",cpvClu->GetPHOSMod()); // Info("GetDistanceInPHOSPlane","Track %d propagation to CPV = (%f,%f,%f)", // iTrack,vecDist.X(),vecDist.Y(),vecDist.Z()); vecDist -= vecCpv; @@ -177,26 +286,31 @@ Float_t AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * } } + delete [] thmin; + delete [] thmax; + delete [] phmin; + delete [] phmax; + if (iClosestTrack != -1) { track = fESD->GetTrack(iClosestTrack); - track->GetOuterPxPyPz(pxyz); // track momentum ibid. + if (track->GetPxPyPzAt(rPHOS, fESD->GetMagneticField(), pxyz)) { // track momentum ibid. TVector3 vecCpvGlobal; // Global position of the CPV recpoint - AliPHOSGetter * gime = AliPHOSGetter::Instance() ; - const AliPHOSGeometry * geom = gime->PHOSGeometry() ; geom->GetGlobal((AliRecPoint*)cpvClu,vecCpvGlobal); for (Int_t ixyz=0; ixyz<3; ixyz++) xyz[ixyz] = vecCpvGlobal[ixyz]; - vecDist = PropagateToPlane(xyz,pxyz,"EMC",cpvClu->GetPHOSMod()); + PropagateToPlane(vecDist,xyz,pxyz,"EMC",cpvClu->GetPHOSMod()); // Info("GetDistanceInPHOSPlane","Track %d propagation to EMC = (%f,%f,%f)", // iClosestTrack,vecDist.X(),vecDist.Y(),vecDist.Z()); vecDist -= vecEmc; distance2Track = TMath::Sqrt(vecDist.X()*vecDist.X() + vecDist.Z()*vecDist.Z()); + } } // } else { // // If no ESD exists, than simply find EMC-CPV distance // distance = (vecCpv - vecEmc).Mag() ; - if(distance2Track < fRcpv + 2*delta ) + //if(distance2Track < fRcpv + 2*delta ) + if(distance2Track < fRtpc ) trackindex = iClosestTrack ; // toofar = kFALSE ; } @@ -208,8 +322,11 @@ Float_t AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * } //____________________________________________________________________________ -TVector3 AliPHOSTrackSegmentMakerv1::PropagateToPlane(Double_t *x, Double_t *p, - char *det, Int_t moduleNumber) const +void AliPHOSTrackSegmentMakerv1::PropagateToPlane(TVector3& globalIntersection, + Double_t *x, + Double_t *p, + const char *det, + Int_t moduleNumber) const { // Propagate a straight-line track from the origin point x // along the direction p to the CPV or EMC module moduleNumber @@ -217,17 +334,18 @@ TVector3 AliPHOSTrackSegmentMakerv1::PropagateToPlane(Double_t *x, Double_t *p, AliPHOSGetter * gime = AliPHOSGetter::Instance() ; const AliPHOSGeometry * geom = gime->PHOSGeometry() ; - TVector3 moduleCenter = geom->GetModuleCenter(det,moduleNumber); - TVector3 vertex(x); - TVector3 direction(p); + TVector3 moduleCenter; + geom->GetModuleCenter(moduleCenter,det,moduleNumber); + TVector3 vertex; vertex.SetXYZ(x[0],x[1],x[2]); + TVector3 direction; direction.SetXYZ(p[0],p[1],p[2]); // Info("PropagateToCPV","Center of the %s module %d is (%f,%f,%f)", // det,moduleNumber,moduleCenter[0],moduleCenter[1],moduleCenter[2]); Double_t time = (moduleCenter.Mag2() - vertex.Dot(moduleCenter)) / (direction.Dot(moduleCenter)); - TVector3 globalIntersection = vertex + direction*time; - return geom->Global2Local(globalIntersection,moduleNumber); + vertex += direction*time; + geom->Global2Local(globalIntersection,vertex,moduleNumber); } //____________________________________________________________________________ @@ -235,7 +353,9 @@ void AliPHOSTrackSegmentMakerv1::Init() { // Make all memory allocations that are not possible in default constructor - AliPHOSGetter* gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); + AliPHOSGetter* gime = AliPHOSGetter::Instance(); + if(!gime) + gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); fLinkUpArray = new TClonesArray("AliPHOSLink", 1000); if ( !gime->TrackSegmentMaker() ) { @@ -247,12 +367,14 @@ void AliPHOSTrackSegmentMakerv1::Init() void AliPHOSTrackSegmentMakerv1::InitParameters() { //Initializes parameters - fRcpv = 10. ; + fRcpv = 10. ; + fRtpc = 4. ; fEmcFirst = 0 ; fEmcLast = 0 ; fCpvFirst = 0 ; fCpvLast = 0 ; fLinkUpArray = 0 ; + fWrite = kTRUE ; fTrackSegmentsInRun = 0 ; SetEventRange(0,-1) ; } @@ -347,7 +469,6 @@ void AliPHOSTrackSegmentMakerv1::MakePairs() (dynamic_cast(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments); fNTrackSegments++ ; - emcExist[linkUp->GetEmc()-fEmcFirst] = -1 ; //Mark emc that Cpv was found //mark CPV recpoint as already used cpvExist[linkUp->GetCpv()-fCpvFirst] = kFALSE ; @@ -388,18 +509,20 @@ void AliPHOSTrackSegmentMakerv1::Exec(Option_t *option) return ; } - AliPHOSGetter * gime = AliPHOSGetter::Instance(GetTitle()) ; + AliPHOSGetter * gime = AliPHOSGetter::Instance() ; const AliPHOSGeometry * geom = gime->PHOSGeometry() ; - if (fLastEvent == -1) fLastEvent = gime->MaxEvent() - 1 ; - else fLastEvent = TMath::Min(fFirstEvent,gime->MaxEvent()); + if (fLastEvent == -1) + fLastEvent = gime->MaxEvent() - 1 ; + else + fLastEvent = TMath::Min(fFirstEvent,gime->MaxEvent()); Int_t nEvents = fLastEvent - fFirstEvent + 1; Int_t ievent ; for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { gime->Event(ievent,"R") ; - //Make some initializations + //Make some initializations fNTrackSegments = 0 ; fEmcFirst = 0 ; fEmcLast = 0 ; @@ -423,7 +546,6 @@ void AliPHOSTrackSegmentMakerv1::Exec(Option_t *option) //increment the total number of track segments per run fTrackSegmentsInRun += gime->TrackSegments()->GetEntriesFast() ; - } if(strstr(option,"tim")){ @@ -432,7 +554,8 @@ void AliPHOSTrackSegmentMakerv1::Exec(Option_t *option) gBenchmark->GetCpuTime("PHOSTSMaker"), gBenchmark->GetCpuTime("PHOSTSMaker")/nEvents) ; } - Unload(); + if(fWrite) //do not unload in "on flight" mode + Unload(); } //____________________________________________________________________________ @@ -445,7 +568,7 @@ void AliPHOSTrackSegmentMakerv1::Unload() } //____________________________________________________________________________ -void AliPHOSTrackSegmentMakerv1::Print()const +void AliPHOSTrackSegmentMakerv1::Print(const Option_t *)const { // Print TrackSegmentMaker parameters @@ -478,15 +601,17 @@ void AliPHOSTrackSegmentMakerv1::WriteTrackSegments() TClonesArray * trackSegments = gime->TrackSegments() ; trackSegments->Expand(trackSegments->GetEntriesFast()) ; - TTree * treeT = gime->TreeT(); - - //First TS - Int_t bufferSize = 32000 ; - TBranch * tsBranch = treeT->Branch("PHOSTS",&trackSegments,bufferSize); - tsBranch->Fill() ; - - gime->WriteTracks("OVERWRITE"); - gime->WriteTrackSegmentMaker("OVERWRITE"); + if(fWrite){ //We write TreeT + TTree * treeT = gime->TreeT(); + + //First TS + Int_t bufferSize = 32000 ; + TBranch * tsBranch = treeT->Branch("PHOSTS",&trackSegments,bufferSize); + tsBranch->Fill() ; + + gime->WriteTracks("OVERWRITE"); + gime->WriteTrackSegmentMaker("OVERWRITE"); + } }