* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-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 "AliTRDconst.h"
-#include "AliTRDgeometry.h"
-#include "AliTRDcluster.h"
-#include "AliTRDtimeBin.h"
-
-#include "AliTRDtrackingSector.h"
-
-
-ClassImp(AliTRDtrackingSector)
-
-//_______________________________________________________
+/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */
+
+///////////////////////////////////////////////////////////////////////////////
+// //
+// Tracking data container for one sector //
+// //
+// Authors: //
+// Alex Bercuci <A.Bercuci@gsi.de> //
+// Markus Fasel <M.Fasel@gsi.de> //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliTRDtrackingSector.h"
+#include "AliTRDcalibDB.h"
+#include "AliTRDCommonParam.h"
+#include "AliTRDgeometry.h"
+#include "AliTRDpadPlane.h"
+#include "AliTRDtrackingChamber.h"
+
+ClassImp(AliTRDtrackingSector)
+
+//_____________________________________________________________________________
+AliTRDtrackingSector::AliTRDtrackingSector()
+ :fSector(-1)
+ ,fN(0)
+ ,fGeom(0x0)
+{
+ // Default constructor
+
+ for(int ic=0; ic<kNChambersSector; ic++){
+ fChamber[ic] = 0x0;
+ fIndex[ic] = -1;
+ }
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
+}
-AliTRDtrackingSector::~AliTRDtrackingSector()
+//_____________________________________________________________________________
+AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
+ :fSector(gs)
+ ,fN(0)
+ ,fGeom(geo)
{
//
- // Destructor
+ // AliTRDtrackingSector Constructor
//
- delete[] fTimeBin;
-
+ for(int ic=0; ic<kNChambersSector; ic++){
+ fChamber[ic] = 0x0;
+ fIndex[ic] = -1;
+ }
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
}
-//_______________________________________________________
-AliTRDtimeBin &AliTRDtrackingSector::operator[](Int_t i)
+//_____________________________________________________________________________
+AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
+ :fSector(-1)
+ ,fN(0)
+ ,fGeom(0x0)
{
//
- // Index operator
+ // Copy constructor
//
- return *(fTimeBin+i);
-
}
-//_______________________________________________________
-
-void AliTRDtrackingSector::SetUp()
-{
-
- AliTRD *TRD = (AliTRD*) gAlice->GetDetector("TRD");
- fGeom = TRD->GetGeometry();
-
- fTimeBinSize = fGeom->GetTimeBinSize();
-
- fN = kNplan * (Int_t(kDrThick/fTimeBinSize) + 1);
-
- fTimeBin = new AliTRDtimeBin[fN];
+//_____________________________________________________________________________
+AliTRDtrackingSector::~AliTRDtrackingSector()
+{
+ //
+ // Destructor
+ //
}
-
-//______________________________________________________
-
-Double_t AliTRDtrackingSector::GetX(Int_t l) const
+
+//_____________________________________________________________________________
+void AliTRDtrackingSector::Init()
+{
+// Steer building of tracking chambers and build tracking sector.
+// Propagate radial position information (calibration/alignment aware) from chambers to sector level
+//
+
+ AliTRDtrackingChamber *tc = 0x0; int ic = 0;
+ while((ic<kNChambersSector) && (tc = fChamber[ic++])) tc->Build(fGeom);
+
+ Int_t nl;
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++){
+ fX0[il] = 0.; nl = 0;
+ for(int is=0; is<AliTRDgeometry::kNstack; is++){
+ Int_t idx = is*AliTRDgeometry::kNlayer + il;
+ if(fIndex[idx]<0) continue;
+ tc = GetChamber(fIndex[idx]);
+ fX0[il] += tc->GetX(); nl++;
+ }
+ if(!nl){
+ //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
+ continue;
+ }
+ fX0[il] /= Float_t(nl);
+ }
+}
+//_____________________________________________________________________________
+void AliTRDtrackingSector::Clear(const Option_t *opt)
{
- 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/kNplan;
- Int_t plane = l/tb_per_plane;
- Int_t time_slice = l%(Int_t(kDrThick/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;
- }
+// Reset counters and steer chamber clear
+
+ for(Int_t ich=0; ich<fN; ich++){
+ fChamber[ich]->Clear(opt);
+ delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
+ }
+ for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
+ fN = 0;
}
-//______________________________________________________
-
-Double_t AliTRDtrackingSector::GetMaxY(Int_t l) const
-{
-
- if((l<(fN-1)) && (l>-1)) {
- Int_t tb_per_plane = fN/kNplan;
- 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(kNplan-1);
- }
+//_____________________________________________________________________________
+AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
+{
+// Return chamber at position (stack, plane) in current
+// sector or build a new one if it is not already created
+
+ Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
+ if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
+ else if(!build) return 0x0;
+
+ // CHAMBER HAS TO BE BUILD
+ Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
+ fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
+ fN++;
+
+ memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
+ for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
+
+ return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));
}
-//______________________________________________________
-
-Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const
+//_____________________________________________________________________________
+AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
{
- Float_t r_out = fGeom->GetTime0(kNplan-1) + kDrThick;
- 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(kDrThick/fTimeBinSize) + 1) + local_tb;
- // cerr<<"GetTimeBinNumber: time_bin = "<<time_bin<<endl;
-
-
- return time_bin;
+// Return chamber at position (stack, plane) in current
+// sector or build a new one if it is not already created
+
+ if(stack<0 || stack>=AliTRDgeometry::kNstack) return 0x0;
+
+ Int_t ich, n = 0;
+ for(int il=0; il<AliTRDgeometry::kNlayer; il++){
+ ich = stack*AliTRDgeometry::kNlayer + il;
+ if(fIndex[ich] < 0) fStack[il] = 0x0;
+ else{
+ fStack[il] = fChamber[Int_t(fIndex[ich])];
+ n++;
+ }
+ }
+
+ return n ? &fStack[0] : 0x0;
}
-//______________________________________________________
-
-Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t local_tb) const
+//_____________________________________________________________________________
+void AliTRDtrackingSector::Print(Option_t *)
{
- Int_t plane = fGeom->GetPlane(det);
+// Dump info about this tracking sector and the tracking chamber within
+//
+
+ printf("\tSector %2d\n", fSector);
+ for(int il=0; il<6; il++){
+ for(int is =0; is<5; is++){
+ Int_t ch = is*AliTRDgeometry::kNlayer + il;
+ printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
+ }
+ printf("\n");
+ }
- Int_t time_bin = plane * (Int_t(kDrThick/fTimeBinSize) + 1) + local_tb;
- return time_bin;
}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff