/*
$Log$
+Revision 1.17 2002/04/05 13:20:12 cblume
+Remove const for CreateGeometry
+
Revision 1.16 2002/03/28 14:59:07 cblume
Coding conventions
#include "AliMC.h"
#include "AliTRDgeometry.h"
-#include "AliTRDrecPoint.h"
+#include "AliTRDparameter.h"
#include "AliMC.h"
ClassImp(AliTRDgeometry)
}
}
- // The pad size in column direction (rphi-direction)
- SetColPadSize(0,0.65);
- SetColPadSize(1,0.68);
- SetColPadSize(2,0.71);
- SetColPadSize(3,0.74);
- SetColPadSize(4,0.77);
- SetColPadSize(5,0.80);
-
- // The pad row (z-direction)
- SetNRowPad();
-
- // The number of time bins. Default is 100 ns timbin size
- SetNTimeBin(15);
-
- // Additional time bins before and after the drift region.
- // Default is to only sample the drift region
- SetExpandTimeBin(0,0);
-
// The rotation matrix elements
Float_t phi = 0;
for (isect = 0; isect < fgkNsect; isect++) {
- phi = -2.0 * kPI / (Float_t) fgkNsect * ((Float_t) isect + 0.5);
+ phi = -2.0 * TMath::Pi() / (Float_t) fgkNsect * ((Float_t) isect + 0.5);
fRotA11[isect] = TMath::Cos(phi);
fRotA12[isect] = TMath::Sin(phi);
fRotA21[isect] = TMath::Sin(phi);
}
-//_____________________________________________________________________________
-void AliTRDgeometry::SetNRowPad(const Int_t p, const Int_t c, const Int_t npad)
-{
- //
- // Redefines the number of pads in raw direction for
- // a given plane and chamber number
- //
-
- for (Int_t isect = 0; isect < fgkNsect; isect++) {
-
- fRowMax[p][c][isect] = npad;
-
- fRowPadSize[p][c][isect] = (fClength[p][c] - 2.*fgkRpadW)
- / ((Float_t) npad);
-
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDgeometry::SetNRowPad()
-{
- //
- // Defines the number of pads in row direction
- //
-
- Int_t isect;
- Int_t icham;
- Int_t iplan;
-
- Int_t rowMax[kNplan][kNcham] = { { 16, 16, 12, 16, 16 }
- , { 16, 16, 12, 16, 16 }
- , { 16, 16, 12, 16, 16 }
- , { 16, 16, 12, 16, 16 }
- , { 14, 16, 12, 16, 14 }
- , { 13, 16, 12, 16, 13 } };
-
- for (isect = 0; isect < kNsect; isect++) {
- for (icham = 0; icham < kNcham; icham++) {
- for (iplan = 0; iplan < kNplan; iplan++) {
-
- fRowMax[iplan][icham][isect] = rowMax[iplan][icham];
-
- fRowPadSize[iplan][icham][isect] = (fClength[iplan][icham] - 2.*fgkRpadW)
- / ((Float_t) rowMax[iplan][icham]);
-
- Float_t row0 = fgkRpadW - fClength[iplan][0]
- - fClength[iplan][1]
- - fClength[iplan][2]/2.;
- for (Int_t ic = 0; ic < icham; ic++) {
- row0 += fClength[iplan][ic];
- }
- fRow0[iplan][icham][isect] = row0;
-
- }
- }
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRDgeometry::SetColPadSize(const Int_t p, const Float_t s)
-{
- //
- // Redefines the pad size in column direction
- //
-
- fColPadSize[p] = s;
- fCol0[p] = - fCwidth[p]/2. + fgkCpadW;
- fColMax[p] = ((Int_t) ((fCwidth[p] - 2. * fgkCpadW) / s));
-
-}
-
-//_____________________________________________________________________________
-void AliTRDgeometry::SetNTimeBin(const Int_t nbin)
-{
- //
- // Redefines the number of time bins in the drift region.
- // The time bin width is defined by the length of the
- // drift region divided by <nbin>.
- //
-
- fTimeMax = nbin;
- fTimeBinSize = fgkDrThick / ((Float_t) fTimeMax);
- for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
- fTime0[iplan] = fgkRmin + fgkCraH + fgkCdrH
- + iplan * (fgkCH + fgkVspace);
- }
-
-}
-
//_____________________________________________________________________________
void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
{
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global) const
+Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local
+ , Float_t *global
+ , AliTRDparameter *par) const
{
//
// Converts local pad-coordinates (row,col,time) into
Int_t isect = GetSector(idet); // Sector info (0-17)
Int_t iplan = GetPlane(idet); // Plane info (0-5)
- return Local2Global(iplan,icham,isect,local,global);
+ return Local2Global(iplan,icham,isect,local,global,par);
}
//_____________________________________________________________________________
Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect
- , Float_t *local, Float_t *global) const
+ , Float_t *local, Float_t *global
+ , AliTRDparameter *par) const
{
//
// Converts local pad-coordinates (row,col,time) into
// global ALICE reference frame coordinates (x,y,z)
//
+ if (!par) {
+ Error("Local2Global","No parameter defined\n");
+ return kFALSE;
+ }
+
Int_t idet = GetDetector(iplan,icham,isect); // Detector number
Float_t padRow = local[0]+0.5; // Pad Row position
Float_t padCol = local[1]+0.5; // Pad Column position
Float_t timeSlice = local[2]+0.5; // Time "position"
- Float_t row0 = GetRow0(iplan,icham,isect);
- Float_t col0 = GetCol0(iplan);
- Float_t time0 = GetTime0(iplan);
+ Float_t row0 = par->GetRow0(iplan,icham,isect);
+ Float_t col0 = par->GetCol0(iplan);
+ Float_t time0 = par->GetTime0(iplan);
Float_t rot[3];
// calculate (x,y,z) position in rotated chamber
- rot[0] = time0 - (timeSlice - fTimeBefore) * fTimeBinSize;
- rot[1] = col0 + padCol * fColPadSize[iplan];
- rot[2] = row0 + padRow * fRowPadSize[iplan][icham][isect];
+ rot[0] = time0 - (timeSlice - par->GetTimeBefore())
+ * par->GetTimeBinSize();
+ rot[1] = col0 + padCol
+ * par->GetColPadSize(iplan);
+ rot[2] = row0 + padRow
+ * par->GetRowPadSize(iplan,icham,isect);
// Rotate back to original position
return RotateBack(idet,rot,global);
}
-//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos
- , TMatrix &mat) const
-{
- //
- // Returns the global coordinate and error matrix of a AliTRDrecPoint
- //
-
- GetGlobal(p,pos);
- mat.Zero();
-
-}
-
-//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos) const
-{
- //
- // Returns the global coordinate and error matrix of a AliTRDrecPoint
- //
-
- Int_t detector = ((AliTRDrecPoint *) p)->GetDetector();
-
- Float_t global[3];
- Float_t local[3];
- local[0] = ((AliTRDrecPoint *) p)->GetLocalRow();
- local[1] = ((AliTRDrecPoint *) p)->GetLocalCol();
- local[2] = ((AliTRDrecPoint *) p)->GetLocalTime();
-
- if (Local2Global(detector,local,global)) {
- pos.SetX(global[0]);
- pos.SetY(global[1]);
- pos.SetZ(global[2]);
- }
- else {
- pos.SetX(0.0);
- pos.SetY(0.0);
- pos.SetZ(0.0);
- }
-
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff