-/**************************************************************************
- * 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. *
- **************************************************************************/
-
-/*
-$Log$
-Revision 1.3 2000/10/15 23:40:01 cblume
-Remove AliTRDconst
-
-Revision 1.2 2000/10/06 16:49:46 cblume
-Made Getters const
-
-Revision 1.1.2.2 2000/10/04 16:34:58 cblume
-Replace include files by forward declarations
-
-Revision 1.1.2.1 2000/09/22 14:47:52 cblume
-Add the tracking code
-
-*/
-
-#include <TObject.h>
-
-#include "AliRun.h"
-
-#include "AliTRD.h"
-#include "AliTRDgeometry.h"
-#include "AliTRDcluster.h"
-#include "AliTRDtimeBin.h"
-#include "AliTRDtrackingSector.h"
-
-ClassImp(AliTRDtrackingSector)
-
-//_______________________________________________________
-
-AliTRDtrackingSector::~AliTRDtrackingSector()
-{
- //
- // Destructor
- //
-
- delete[] fTimeBin;
-
-}
-
-//_______________________________________________________
-AliTRDtimeBin &AliTRDtrackingSector::operator[](Int_t i)
-{
- //
- // Index operator
- //
-
- return *(fTimeBin+i);
-
-}
-
-//_______________________________________________________
-
-void AliTRDtrackingSector::SetUp()
-{
-
- AliTRD *TRD = (AliTRD*) gAlice->GetDetector("TRD");
- fGeom = TRD->GetGeometry();
-
- fTimeBinSize = fGeom->GetTimeBinSize();
-
- fN = AliTRDgeometry::Nplan() * (Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1);
-
- fTimeBin = new AliTRDtimeBin[fN];
-
-}
-
-//______________________________________________________
-
-Double_t AliTRDtrackingSector::GetX(Int_t l) const
-{
- if( (l<0) || (l>fN-1)) {
- fprintf(stderr,"AliTRDtrackingSector::GetX: TimeBin index is out of range !\n");
- return -99999.;
- }
- else {
-
- Int_t tb_per_plane = fN/AliTRDgeometry::Nplan();
- Int_t plane = l/tb_per_plane;
- Int_t time_slice = l%(Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1);
-
- Float_t t0 = fGeom->GetTime0(plane);
- Double_t x = t0 + time_slice * fTimeBinSize;
-
- // cerr<<"plane, tb, x = "<<plane<<","<<time_slice<<","<<x<<endl;
-
- return x;
- }
-}
-
-//______________________________________________________
-
-Double_t AliTRDtrackingSector::GetMaxY(Int_t l) const
-{
-
- if((l<(fN-1)) && (l>-1)) {
- Int_t tb_per_plane = fN/AliTRDgeometry::Nplan();
- Int_t plane = l/tb_per_plane;
- return fGeom->GetChamberWidth(plane);
- }
- else {
- fprintf(stderr,
- "AliTRDtrackingSector::GetMaxY: TimeBin index is out of range !\n");
- if(l<0) return fGeom->GetChamberWidth(0);
- else return fGeom->GetChamberWidth(AliTRDgeometry::Nplan()-1);
- }
-}
-
-//______________________________________________________
-
-Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const
-{
- //Float_t r_out = fGeom->GetTime0(AliTRDgeometry::Nplan()-1)
- // + AliTRDgeometry::DrThick();
- // Changed to new time0 (CBL)
- Float_t r_out = fGeom->GetTime0(AliTRDgeometry::Nplan()-1);
- Float_t r_in = fGeom->GetTime0(0);
- // cerr<<"GetTimeBinNumber: r_in,r_out = "<<r_in<<","<<r_out<<endl;
-
- if(x >= r_out) return fN-1;
- if(x <= r_in) return 0;
-
- Float_t gap = fGeom->GetTime0(1) - fGeom->GetTime0(0);
- // cerr<<"GetTimeBinNumber: gap = "<<gap<<endl;
-
- Int_t plane = Int_t((x - r_in + fTimeBinSize/2)/gap);
- // cerr<<"GetTimeBinNumber: plane="<<plane<<endl;
-
- Int_t local_tb = Int_t((x-fGeom->GetTime0(plane))/fTimeBinSize + 0.5);
- // cerr<<"GetTimeBinNumber: local_tb="<<local_tb<<endl;
-
- Int_t time_bin = plane * (Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1) + local_tb;
- // cerr<<"GetTimeBinNumber: time_bin = "<<time_bin<<endl;
-
-
- return time_bin;
-}
-
-//______________________________________________________
-
-Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t local_tb) const
-{
- Int_t plane = fGeom->GetPlane(det);
-
- Int_t time_bin = plane * (Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1) + local_tb;
- return time_bin;
-}
-
+/**************************************************************************\r
+* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
+* *\r
+* Author: The ALICE Off-line Project. *\r
+* Contributors are mentioned in the code where appropriate. *\r
+* *\r
+* Permission to use, copy, modify and distribute this software and its *\r
+* documentation strictly for non-commercial purposes is hereby granted *\r
+* without fee, provided that the above copyright notice appears in all *\r
+* copies and that both the copyright notice and this permission notice *\r
+* appear in the supporting documentation. The authors make no claims *\r
+* about the suitability of this software for any purpose. It is *\r
+* provided "as is" without express or implied warranty. *\r
+**************************************************************************/\r
+\r
+/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */\r
+\r
+///////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// Tracking data container for one sector //\r
+// //\r
+// Authors: //\r
+// Alex Bercuci <A.Bercuci@gsi.de> //\r
+// Markus Fasel <M.Fasel@gsi.de> //\r
+// //\r
+///////////////////////////////////////////////////////////////////////////////\r
+\r
+#include "AliTRDtrackingSector.h"\r
+#include "AliTRDtrackingChamber.h"\r
+\r
+\r
+ClassImp(AliTRDtrackingSector)\r
+\r
+//_____________________________________________________________________________\r
+AliTRDtrackingSector::AliTRDtrackingSector()\r
+ :fSector(-1)\r
+ ,fN(0)\r
+ ,fGeom(NULL)\r
+{\r
+ // Default constructor\r
+ \r
+ memset(fChamber, 0, AliTRDgeometry::kNdets*sizeof(AliTRDtrackingChamber*));\r
+ memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));\r
+ memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));\r
+}\r
+\r
+//_____________________________________________________________________________\r
+AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)\r
+ :fSector(gs)\r
+ ,fN(0)\r
+ ,fGeom(geo)\r
+{\r
+ //\r
+ // AliTRDtrackingSector Constructor\r
+ //\r
+\r
+ memset(fChamber, 0, AliTRDgeometry::kNdets*sizeof(AliTRDtrackingChamber*));\r
+ memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));\r
+ memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));\r
+}\r
+\r
+ \r
+//_____________________________________________________________________________\r
+void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec, const AliTRDCalDet *cal)\r
+{ \r
+// Steer building of tracking chambers and build tracking sector.\r
+// Propagate radial position information (calibration/alignment aware) from chambers to sector level\r
+//\r
+ \r
+ AliTRDchamberTimeBin *tb = NULL;\r
+ AliTRDtrackingChamber **tc = &fChamber[0];\r
+ for(Int_t ic = 0; (ic<AliTRDgeometry::kNdets) && (*tc); ic++, tc++){\r
+ for(Int_t itb=0; itb<AliTRDseedV1::kNtb; itb++){\r
+ if(!(tb = (*tc)->GetTB(itb))) continue;\r
+ tb->SetReconstructor(rec);\r
+ }\r
+ (*tc)->Build(fGeom, cal, rec->IsHLT());\r
+ }\r
+ \r
+ Int_t nl;\r
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++){\r
+ fX0[il] = 0.; nl = 0;\r
+ for(int is=0; is<AliTRDgeometry::kNstack; is++){\r
+ Int_t idx = is*AliTRDgeometry::kNlayer + il;\r
+ if(fIndex[idx]<0) continue;\r
+ fX0[il] += GetChamber(fIndex[idx])->GetX(); \r
+ nl++; \r
+ }\r
+ if(!nl){\r
+ //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);\r
+ continue;\r
+ }\r
+ fX0[il] /= Float_t(nl);\r
+ }\r
+}\r
+\r
+\r
+\r
+//_____________________________________________________________________________\r
+void AliTRDtrackingSector::Clear(const Option_t *opt)\r
+{\r
+// Reset counters and steer chamber clear\r
+\r
+ AliTRDtrackingChamber **tc = &fChamber[0];\r
+ for(Int_t ich=0; ich<fN; ich++, tc++){ \r
+ (*tc)->Clear(opt);\r
+ delete (*tc); (*tc) = NULL; // I would avoid\r
+ } \r
+ memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));\r
+ fN = 0;\r
+}\r
+\r
+//_____________________________________________________________________________\r
+AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)\r
+{\r
+// Return chamber at position (stack, plane) in current \r
+// sector or build a new one if it is not already created\r
+ \r
+ Int_t ch = stack*AliTRDgeometry::kNlayer + layer;\r
+ if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];\r
+ else if(!build) return NULL;\r
+ \r
+ // CHAMBER HAS TO BE BUILD\r
+ Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);\r
+ fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0; \r
+ fN++;\r
+ \r
+ memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (AliTRDgeometry::kNdets-fIndex[ch]-1)*sizeof(void*));\r
+ for(Int_t ic = ch+1; ic<AliTRDgeometry::kNdets; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;\r
+ \r
+ AliTRDtrackingChamber *chmb = fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber();\r
+ chmb->SetDetector(AliTRDgeometry::GetDetector(layer, stack, fSector));\r
+ return chmb;\r
+}\r
+\r
+//_____________________________________________________________________________\r
+AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)\r
+{\r
+// Return chamber at position (stack, plane) in current \r
+// sector or build a new one if it is not already created\r
+ \r
+ if(stack<0 || stack>=AliTRDgeometry::kNstack) return NULL;\r
+ \r
+ Int_t ich, n = 0;\r
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++){\r
+ ich = stack*AliTRDgeometry::kNlayer + il;\r
+ if(fIndex[ich] < 0) fStack[il] = NULL; \r
+ else{\r
+ fStack[il] = fChamber[Int_t(fIndex[ich])];\r
+ n++;\r
+ }\r
+ }\r
+ \r
+ return n ? &fStack[0] : NULL;\r
+}\r
+\r
+//_____________________________________________________________________________\r
+void AliTRDtrackingSector::Print(Option_t *opt) const\r
+{\r
+// Dump info about this tracking sector and the tracking chamber within\r
+// \r
+\r
+ printf("\n\tSector[%2d]\n", fSector);\r
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++){\r
+ for(int is =0; is<AliTRDgeometry::kNstack; is++){\r
+ Int_t ch = is*AliTRDgeometry::kNlayer + il;\r
+ if(opt) fChamber[Int_t(fIndex[ch])]->Print(opt);\r
+ else printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);\r
+ }\r
+ if(!opt) printf("\n");\r
+ }\r
+\r
+}\r
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