--- /dev/null
+/**************************************************************************
+* Copyright(c) 1998-1999, 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. *
+**************************************************************************/
+
+// $Id$
+
+#include "AliMUONSimpleClusterServer.h"
+
+#include "AliMUONConstants.h"
+#include "AliMUONCluster.h"
+#include "AliMUONGeometryTransformer.h"
+#include "AliMUONPad.h"
+#include "AliMUONVCluster.h"
+#include "AliMUONVClusterFinder.h"
+#include "AliMUONVClusterStore.h"
+#include "AliMUONVDigitStore.h"
+#include "AliMpArea.h"
+#include "AliMpDEIterator.h"
+#include "AliMpDEManager.h"
+#include "AliMpExMap.h"
+#include "AliMpSegmentation.h"
+#include "AliMpVSegmentation.h"
+#include "AliLog.h"
+#include <Riostream.h>
+#include <TClonesArray.h>
+#include <TString.h>
+
+/// \class AliMUONSimpleClusterServer
+///
+/// Implementation of AliMUONVClusterServer interface
+///
+///
+/// \author Laurent Aphecetche, Subatech
+
+/// \cond CLASSIMP
+ClassImp(AliMUONSimpleClusterServer)
+/// \endcond
+
+namespace
+{
+ TString AsString(const AliMpArea& area)
+ {
+ return Form("(X,Y)=(%7.3f,%7.3f) (DX,DY)=(%7.3f,%7.3f)",
+ area.Position().X(),
+ area.Position().Y(),
+ area.Dimensions().Y(),
+ area.Dimensions().Y());
+ }
+}
+
+//_____________________________________________________________________________
+AliMUONSimpleClusterServer::AliMUONSimpleClusterServer(AliMUONVClusterFinder& clusterFinder,
+ const AliMUONGeometryTransformer& transformer)
+: AliMUONVClusterServer(),
+ fClusterFinder(clusterFinder),
+ fTransformer(transformer),
+ fPads(),
+ fDEAreas(new AliMpExMap(true))
+{
+ /// Ctor
+
+ AliMpDEIterator it;
+
+ it.First();
+
+ /// Generate the DE areas in global coordinates
+
+ while ( !it.IsDone() )
+ {
+ Int_t detElemId = it.CurrentDEId();
+
+ const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath0);
+
+ Double_t xg,yg,zg;
+
+ AliMp::StationType stationType = AliMpDEManager::GetStationType(detElemId);
+
+ Double_t xl(0.0), yl(0.0), zl(0.0);
+ Double_t dx(seg->Dimensions().X());
+ Double_t dy(seg->Dimensions().Y());
+
+ if ( stationType == AliMp::kStation1 || stationType == AliMp::kStation2 )
+ {
+ /// mind your steps : dimensions are full sizes for St12, but half-sizes
+ /// for St345...
+
+ xl = dx;
+ yl = dy;
+
+ fTransformer.Local2Global(detElemId,xl,yl,zl,xg,yg,zg);
+ }
+ else
+ {
+ fTransformer.Local2Global(detElemId,xl,yl,zl,xg,yg,zg);
+ }
+
+ fDEAreas->Add(detElemId,new AliMpArea(TVector2(xg,yg),TVector2(dx,dy)));
+
+ it.Next();
+ }
+}
+
+//_____________________________________________________________________________
+AliMUONSimpleClusterServer::~AliMUONSimpleClusterServer()
+{
+ /// Dtor
+ delete fPads[0];
+ delete fPads[1];
+ delete fDEAreas;
+}
+
+//_____________________________________________________________________________
+Int_t
+AliMUONSimpleClusterServer::Clusterize(Int_t chamberId,
+ AliMUONVClusterStore& clusterStore,
+ const AliMpArea& area)
+{
+ /// Area is in absolute coordinate. If not valid, means clusterize all
+ /// the chamber.
+ ///
+ /// We first find out the list of DE that have a non-zero overlap with area,
+ /// and then use the clusterfinder to find clusters in those areas (and DE).
+
+ AliMpDEIterator it;
+
+ it.First(chamberId);
+
+ Int_t nofAddedClusters(0);
+ Int_t fNCluster = clusterStore.GetSize();
+
+ AliDebug(1,Form("chamberId = %2d NofClusters before = %d searchArea=%s",
+ chamberId,fNCluster,AsString(area).Data()));
+
+ while ( !it.IsDone() )
+ {
+ Int_t detElemId = it.CurrentDEId();
+
+ TClonesArray* pads[2] =
+ {
+ static_cast<TClonesArray*>(fPads[0]->GetValue(detElemId)),
+ static_cast<TClonesArray*>(fPads[1]->GetValue(detElemId))
+ };
+
+ if ( ( pads[0] && pads[0]->GetLast()>=0 ) ||
+ ( pads[1] && pads[1]->GetLast()>=0 ) )
+ {
+ AliMpArea deArea; // area in DE-local-coordinates
+ Bool_t ok(kTRUE);
+
+ if ( area.IsValid() )
+ {
+ ok = Overlap(detElemId,area,deArea);
+ }
+
+ if ( ok )
+ {
+ if ( fClusterFinder.NeedSegmentation() )
+ {
+ const AliMpVSegmentation* seg[2] =
+ { AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath0),
+ AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath1)
+ };
+ fClusterFinder.Prepare(detElemId,pads,deArea,seg);
+ }
+ else
+ {
+ fClusterFinder.Prepare(detElemId,pads,deArea);
+ }
+
+ AliDebug(1,Form("Clusterizing DE %04d with %3d pads (cath0) and %3d pads (cath1)",
+ detElemId,
+ (pads[0] ? pads[0]->GetLast()+1 : 0),
+ (pads[1] ? pads[1]->GetLast()+1 : 0)));
+
+ AliMUONCluster* cluster;
+
+ while ( ( cluster = fClusterFinder.NextCluster() ) )
+ {
+ // add new cluster to the store with information to build its ID
+ // increment the number of clusters into the store
+ AliMUONVCluster* rawCluster = clusterStore.Add(AliMpDEManager::GetChamberId(detElemId), detElemId, fNCluster++);
+
+ ++nofAddedClusters;
+
+ // fill array of Id of digits attached to this cluster
+ Int_t nPad = cluster->Multiplicity();
+ if (nPad < 1) AliWarning("no pad attached to the cluster");
+
+ for (Int_t iPad=0; iPad<nPad; iPad++)
+ {
+ AliMUONPad *pad = cluster->Pad(iPad);
+ rawCluster->AddDigitId(pad->GetUniqueID());
+ }
+
+ // fill charge and other cluster informations
+ rawCluster->SetCharge(cluster->Charge());
+
+ Double_t xg, yg, zg;
+ fTransformer.Local2Global(detElemId,
+ cluster->Position().X(), cluster->Position().Y(),
+ 0, xg, yg, zg);
+ rawCluster->SetXYZ(xg, yg, zg);
+
+ AliDebug(1,Form("Adding RawCluster detElemId %4d mult %2d charge %e (xl,yl,zl)=(%e,%e,%e) (xg,yg,zg)=(%e,%e,%e)",
+ detElemId,nPad,cluster->Charge(),
+ cluster->Position().X(),cluster->Position().Y(),0.0,
+ xg,yg,zg));
+ }
+ }
+ }
+ it.Next();
+ }
+
+ AliDebug(1,Form("chamberId = %2d NofClusters after = %d",chamberId,fNCluster));
+
+ return nofAddedClusters;
+}
+
+//_____________________________________________________________________________
+void
+AliMUONSimpleClusterServer::Global2Local(Int_t detElemId, const AliMpArea& globalArea,
+ AliMpArea& localArea) const
+{
+ /// Convert a global area in local area for a given DE
+
+ Double_t xl,yl,zl;
+
+ Double_t zg = AliMUONConstants::DefaultChamberZ(AliMpDEManager::GetChamberId(detElemId));
+
+ fTransformer.Global2Local(detElemId,
+ globalArea.Position().X(),globalArea.Position().Y(),zg,
+ xl,yl,zl);
+
+ localArea = AliMpArea(TVector2(xl,yl), globalArea.Dimensions());
+}
+
+//_____________________________________________________________________________
+Bool_t
+AliMUONSimpleClusterServer::Overlap(Int_t detElemId,
+ const AliMpArea& area,
+ AliMpArea& deArea) const
+{
+ /// Check whether (global) area overlaps with the given DE.
+ /// If it is, set deArea to the overlap region and convert it
+ /// in the local coordinate system of that DE.
+
+ Bool_t overlap(kFALSE);
+
+ AliMpArea* globalDEArea = static_cast<AliMpArea*>(fDEAreas->GetValue(detElemId));
+
+ AliMpArea overlapArea;
+
+ if ( area.Overlap(*globalDEArea) )
+ {
+ overlapArea = area.Intersect(*globalDEArea);
+ Global2Local(detElemId,overlapArea,deArea);
+ overlap = kTRUE;
+ }
+ else
+ {
+ deArea = AliMpArea();
+ }
+
+ AliDebug(1,Form("DE %04d area %s globalDEArea %s overlapArea %s deArea %s overlap=%d",
+ detElemId,
+ AsString(area).Data(),
+ AsString(*globalDEArea).Data(),
+ AsString(overlapArea).Data(),
+ AsString(deArea).Data(),
+ overlap));
+
+ return overlap;
+}
+
+//_____________________________________________________________________________
+TClonesArray*
+AliMUONSimpleClusterServer::PadArray(Int_t detElemId, Int_t cathode) const
+{
+ /// Return array for given cathode of given DE
+
+ return static_cast<TClonesArray*>(fPads[cathode]->GetValue(detElemId));
+}
+
+//_____________________________________________________________________________
+void
+AliMUONSimpleClusterServer::UseDigitStore(const AliMUONVDigitStore& digitStore)
+{
+ /// Convert digitStore into two arrays of AliMUONPads
+
+ delete fPads[0];
+ delete fPads[1];
+
+ fPads[0] = new AliMpExMap(true);
+ fPads[1] = new AliMpExMap(true);
+
+ TIter next(digitStore.CreateIterator());
+ AliMUONVDigit* d;
+
+ while ( ( d = static_cast<AliMUONVDigit*>(next()) ) )
+ {
+ if ( ! d->Charge() > 0 ) continue; // skip void digits.
+ Int_t ix = d->PadX();
+ Int_t iy = d->PadY();
+ Int_t cathode = d->Cathode();
+ Int_t detElemId = d->DetElemId();
+ const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
+ GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode));
+ AliMpPad pad = seg->PadByIndices(AliMpIntPair(ix,iy));
+
+ TClonesArray* padArray = PadArray(detElemId,cathode);
+ if (!padArray)
+ {
+ padArray = new TClonesArray("AliMUONPad",100);
+ fPads[cathode]->Add(detElemId,padArray);
+ }
+
+ AliMUONPad mpad(detElemId,cathode,
+ ix,iy,pad.Position().X(),pad.Position().Y(),
+ pad.Dimensions().X(),pad.Dimensions().Y(),
+ d->Charge());
+ if ( d->IsSaturated() ) mpad.SetSaturated(kTRUE);
+ mpad.SetUniqueID(d->GetUniqueID());
+ new ((*padArray)[padArray->GetLast()+1]) AliMUONPad(mpad);
+ }
+}
+
+//_____________________________________________________________________________
+void
+AliMUONSimpleClusterServer::Print(Option_t*) const
+{
+ /// Printout for debug only
+
+ AliMpDEIterator it;
+
+ it.First();
+
+ while ( !it.IsDone() )
+ {
+ Int_t detElemId = it.CurrentDEId();
+
+ // printout the number of pads / de, and number of used pads / de
+
+ if ( ( PadArray(detElemId,0) && PadArray(detElemId,0)->GetLast() >= 0 ) ||
+ ( PadArray(detElemId,1) && PadArray(detElemId,1)->GetLast() >= 0 ) )
+ {
+ cout << Form("---- DE %04d",detElemId) << endl;
+
+ for ( Int_t cathode = 0; cathode < 2; ++cathode )
+ {
+ cout << Form(" -- Cathode %1d",cathode) << endl;
+
+ TClonesArray* padArray = PadArray(detElemId,cathode);
+
+ if (!padArray)
+ {
+ cout << "no pad array" << endl;
+ }
+ else if ( padArray->GetLast() < 0 )
+ {
+ cout << "no pads" << endl;
+ }
+ else
+ {
+ TIter next(padArray);
+ AliMUONPad* pad;
+ while ( ( pad = static_cast<AliMUONPad*>(next()) ) )
+ {
+ pad->Print("full");
+ }
+ }
+ }
+ }
+ it.Next();
+ }
+}
+
+