* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.2 2000/10/06 16:49:46 cblume
-Made Getters const
+/* $Id$ */
-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
-
-*/
+/////////////////////////////////////////////////////////////////////////
+// //
+// Tracking sector //
+// //
+/////////////////////////////////////////////////////////////////////////
#include <TObject.h>
#include "AliTRDcluster.h"
#include "AliTRDtimeBin.h"
#include "AliTRDtrackingSector.h"
+#include "AliTRDparameter.h"
ClassImp(AliTRDtrackingSector)
//_______________________________________________________
-
AliTRDtrackingSector::~AliTRDtrackingSector()
{
//
// Destructor
//
- delete[] fTimeBin;
+ delete fTimeBin;
}
}
//_______________________________________________________
-
void AliTRDtrackingSector::SetUp()
{
+ //
+ // Initialization
+ //
- AliTRD *TRD = (AliTRD*) gAlice->GetDetector("TRD");
- fGeom = TRD->GetGeometry();
+ AliTRD *trd = (AliTRD*) gAlice->GetDetector("TRD");
+ fGeom = trd->GetGeometry();
fTimeBinSize = fGeom->GetTimeBinSize();
fTimeBin = new AliTRDtimeBin[fN];
+ if (!fPar) {
+ fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter");
+ }
+
+ fTimeBinSize = fPar->GetTimeBinSize();
+
}
//______________________________________________________
-
-Double_t AliTRDtrackingSector::GetX(Int_t l) const
+Double_t AliTRDtrackingSector::GetX(Int_t tb) const
{
- if( (l<0) || (l>fN-1)) {
+ //
+ // Get global x coordinate
+ //
+
+ if( (tb<0) || (tb>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;
+ Int_t tbPerPlane = fN/AliTRDgeometry::Nplan();
+ Int_t localTb = tbPerPlane - tb%tbPerPlane - 1;
- // cerr<<"plane, tb, x = "<<plane<<","<<time_slice<<","<<x<<endl;
+ Int_t plane = tb/tbPerPlane;
+ Float_t t0 = fPar->GetTime0(plane);
+ Double_t x = t0 - (localTb + 0.5) * fTimeBinSize;
return x;
+
}
+
}
//______________________________________________________
+Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const
+{
+ //
+ // Returns the time bin number
+ //
-Double_t AliTRDtrackingSector::GetMaxY(Int_t l) const
-{
+ Float_t rOut = fPar->GetTime0(AliTRDgeometry::Nplan()-1);
+ Float_t rIn = fPar->GetTime0(0) - AliTRDgeometry::DrThick();
- 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);
+
+ if(x >= rOut) return fN-1;
+ if(x <= rIn) return 0;
+
+ Int_t plane;
+ for (plane = AliTRDgeometry::Nplan()-1; plane >= 0; plane--) {
+ if(x > (fPar->GetTime0(plane) - AliTRDgeometry::DrThick())) break;
+ }
+
+ Int_t tbPerPlane = fN/AliTRDgeometry::Nplan();
+ Int_t localTb = Int_t((fPar->GetTime0(plane)-x)/fTimeBinSize);
+
+ if((localTb < 0) || (localTb >= tbPerPlane)) {
+ printf("AliTRDtrackingSector::GetTimeBinNumber: \n");
+ printf("local time bin %d is out of bounds [0..%d]: x = %f \n",
+ localTb,tbPerPlane-1,x);
+ return -1;
}
+
+ Int_t timeBin = (plane + 1) * tbPerPlane - 1 - localTb;
+
+ return timeBin;
}
//______________________________________________________
-
-Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const
+Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t localTb) const
{
- Float_t r_out = fGeom->GetTime0(AliTRDgeometry::Nplan()-1)
- + AliTRDgeometry::DrThick();
- 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;
+ //
+ // Time bin
+ //
- Float_t gap = fGeom->GetTime0(1) - fGeom->GetTime0(0);
- // cerr<<"GetTimeBinNumber: gap = "<<gap<<endl;
+ Int_t plane = fGeom->GetPlane(det);
- Int_t plane = Int_t((x - r_in + fTimeBinSize/2)/gap);
- // cerr<<"GetTimeBinNumber: plane="<<plane<<endl;
+ Int_t tbPerPlane = fN/AliTRDgeometry::Nplan();
- Int_t local_tb = Int_t((x-fGeom->GetTime0(plane))/fTimeBinSize + 0.5);
- // cerr<<"GetTimeBinNumber: local_tb="<<local_tb<<endl;
+ Int_t timeBin = (plane + 1) * tbPerPlane - 1 - localTb;
- Int_t time_bin = plane * (Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1) + local_tb;
- // cerr<<"GetTimeBinNumber: time_bin = "<<time_bin<<endl;
-
+ return timeBin;
- return time_bin;
}
+
//______________________________________________________
-Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t local_tb) const
+Bool_t AliTRDtrackingSector::TECframe(Int_t tb, Double_t y, Double_t z) const
{
- Int_t plane = fGeom->GetPlane(det);
+ //
+ // Returns <true> if point defined by <x(tb),y,z> is within
+ // the TEC G10 frame, otherwise returns <false>
+ //
- Int_t time_bin = plane * (Int_t(AliTRDgeometry::DrThick()
- /fTimeBinSize) + 1) + local_tb;
- return time_bin;
-}
+ if((tb > (fN-1)) || (tb < 0)) return kFALSE;
+ Int_t tbPerPlane = fN/AliTRDgeometry::Nplan();
+ Int_t plane = tb/tbPerPlane;
+
+ Double_t x = GetX(tb);
+ y = TMath::Abs(y);
+
+ if((y > fGeom->GetChamberWidth(plane)/2.) &&
+ (y < x*TMath::Tan(0.5*AliTRDgeometry::GetAlpha()))) return kTRUE;
+
+ Double_t zmin, zmax;
+ Float_t fRowPadSize, fRow0;
+ Int_t nPadRows;
+
+ for(Int_t iCha = 1; iCha < AliTRDgeometry::Ncham(); iCha++) {
+
+ fRow0 = fPar->GetRow0(plane,iCha-1,0);
+ fRowPadSize = fPar->GetRowPadSize(plane,iCha-1,0);
+ nPadRows = fPar->GetRowMax(plane,iCha-1,0);
+ zmin = fRow0 - fRowPadSize/2 + fRowPadSize * nPadRows;
+
+ fRow0 = fPar->GetRow0(plane,iCha,0);
+ fRowPadSize = fPar->GetRowPadSize(plane,iCha,0);
+ zmax = fRow0 - fRowPadSize/2;
+
+ if((z > zmin) && (z < zmax)) return kTRUE;
+ }
+
+ return kFALSE;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff