* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.14 2001/11/06 17:19:41 cblume
-Add detailed geometry and simple simulator
-
-Revision 1.13 2001/08/02 08:30:45 cblume
-Fix positions of cooling material
-
-Revision 1.12 2001/05/21 16:45:47 hristov
-Last minute changes (C.Blume)
-
-Revision 1.11 2001/05/11 07:56:12 hristov
-Consistent declarations needed on Alpha
-
-Revision 1.10 2001/05/07 08:08:05 cblume
-Update of TRD code
-
-Revision 1.9 2001/03/27 12:48:33 cblume
-Correct for volume overlaps
-
-Revision 1.8 2001/03/13 09:30:35 cblume
-Update of digitization. Moved digit branch definition to AliTRD
-
-Revision 1.7 2001/02/14 18:22:26 cblume
-Change in the geometry of the padplane
-
-Revision 1.6 2000/11/01 14:53:20 cblume
-Merge with TRD-develop
-
-Revision 1.1.4.7 2000/10/16 01:16:53 cblume
-Changed timebin 0 to be the one closest to the readout
-
-Revision 1.1.4.6 2000/10/15 23:35:57 cblume
-Include geometry constants as static member
-
-Revision 1.1.4.5 2000/10/06 16:49:46 cblume
-Made Getters const
-
-Revision 1.1.4.4 2000/10/04 16:34:58 cblume
-Replace include files by forward declarations
-
-Revision 1.1.4.3 2000/09/22 14:43:40 cblume
-Allow the pad/timebin-dimensions to be changed after initialization
-
-Revision 1.1.4.2 2000/09/18 13:37:01 cblume
-Minor coding corrections
-
-Revision 1.5 2000/10/02 21:28:19 fca
-Removal of useless dependecies via forward declarations
-
-Revision 1.4 2000/06/08 18:32:58 cblume
-Make code compliant to coding conventions
-
-Revision 1.3 2000/06/07 16:25:37 cblume
-Try to remove compiler warnings on Sun and HP
-
-Revision 1.2 2000/05/08 16:17:27 cblume
-Merge TRD-develop
-
-Revision 1.1.4.1 2000/05/08 14:45:55 cblume
-Bug fix in RotateBack(). Geometry update
-
-Revision 1.4 2000/06/08 18:32:58 cblume
-Make code compliant to coding conventions
-
-Revision 1.3 2000/06/07 16:25:37 cblume
-Try to remove compiler warnings on Sun and HP
-
-Revision 1.2 2000/05/08 16:17:27 cblume
-Merge TRD-develop
-
-Revision 1.1.4.1 2000/05/08 14:45:55 cblume
-Bug fix in RotateBack(). Geometry update
-
-Revision 1.1 2000/02/28 19:00:44 cblume
-Add new TRD classes
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// //
///////////////////////////////////////////////////////////////////////////////
-#include "AliMC.h"
+#include <TError.h>
+
+#include "AliRunLoader.h"
#include "AliTRDgeometry.h"
-#include "AliTRDrecPoint.h"
-#include "AliMC.h"
+#include "AliTRDpadPlane.h"
+
+#include "AliRun.h"
+#include "AliTRD.h"
+#include "AliTRDcalibDB.h"
+#include "AliTRDCommonParam.h"
ClassImp(AliTRDgeometry)
const Float_t AliTRDgeometry::fgkSlenTR2 = 313.5;
const Float_t AliTRDgeometry::fgkSlenTR3 = 159.5;
+ // The super module side plates
+ const Float_t AliTRDgeometry::fgkSMpltT = 0.2;
+ const Float_t AliTRDgeometry::fgkSMgapT = 0.5;
+
// Height of different chamber parts
// Radiator
const Float_t AliTRDgeometry::fgkCraH = 4.8;
// Amplification region
const Float_t AliTRDgeometry::fgkCamH = 0.7;
// Readout
- const Float_t AliTRDgeometry::fgkCroH = 2.0;
+ const Float_t AliTRDgeometry::fgkCroH = 2.316;
// Total height
const Float_t AliTRDgeometry::fgkCH = AliTRDgeometry::fgkCraH
+ AliTRDgeometry::fgkCdrH
+ AliTRDgeometry::fgkCroH;
// Vertical spacing of the chambers
- const Float_t AliTRDgeometry::fgkVspace = 2.1;
+ const Float_t AliTRDgeometry::fgkVspace = 1.784;
// Horizontal spacing of the chambers
const Float_t AliTRDgeometry::fgkHspace = 2.0;
const Float_t AliTRDgeometry::fgkCroW = 0.9;
// Difference of outer chamber width and pad plane width
- const Float_t AliTRDgeometry::fgkCpadW = 1.0;
- const Float_t AliTRDgeometry::fgkRpadW = 1.5;
+ //const Float_t AliTRDgeometry::fgkCpadW = 1.0;
+ const Float_t AliTRDgeometry::fgkCpadW = 0.0;
+ const Float_t AliTRDgeometry::fgkRpadW = 1.0;
//
// Thickness of the the material layers
const Float_t AliTRDgeometry::fgkFeZpos = 0.0322;
const Float_t AliTRDgeometry::fgkCoZpos = 0.97;
const Float_t AliTRDgeometry::fgkWaZpos = 0.99;
+
+ const Double_t AliTRDgeometry::fgkTime0Base = Rmin() + CraHght() + CdrHght() + CamHght()/2.;
+ const Float_t AliTRDgeometry::fgkTime0[6] = { fgkTime0Base + 0 * (Cheight() + Cspace()),
+ fgkTime0Base + 1 * (Cheight() + Cspace()),
+ fgkTime0Base + 2 * (Cheight() + Cspace()),
+ fgkTime0Base + 3 * (Cheight() + Cspace()),
+ fgkTime0Base + 4 * (Cheight() + Cspace()),
+ fgkTime0Base + 5 * (Cheight() + Cspace()) };
//_____________________________________________________________________________
AliTRDgeometry::AliTRDgeometry():AliGeometry()
//
Init();
-
}
//_____________________________________________________________________________
//
// AliTRDgeometry destructor
//
-
}
//_____________________________________________________________________________
Int_t isect;
// The outer width of the chambers
- fCwidth[0] = 95.6;
- fCwidth[1] = 100.1;
- fCwidth[2] = 104.5;
- fCwidth[3] = 108.9;
- fCwidth[4] = 113.4;
- fCwidth[5] = 117.8;
+ //
+ // Changed with the introduction of
+ // the new layer 0. The old layer 6
+ // is removed.
+ fCwidth[0] = 90.4;
+ fCwidth[1] = 94.8;
+ fCwidth[2] = 99.3;
+ fCwidth[3] = 103.7;
+ fCwidth[4] = 108.1;
+ fCwidth[5] = 112.6;
+ // Old layer 6
+ // fCwidth[5] = 117.0;
// The outer lengths of the chambers
- Float_t length[kNplan][kNcham] = { { 123.5, 123.5, 110.0, 123.5, 123.5 }
- , { 131.0, 131.0, 110.0, 131.0, 131.0 }
- , { 134.5, 138.5, 110.0, 138.5, 134.5 }
- , { 142.0, 146.0, 110.0, 146.0, 142.0 }
- , { 142.0, 153.0, 110.0, 153.0, 142.0 }
- , { 134.0, 160.5, 110.0, 160.5, 134.0 } };
+ // Includes the spacings between the chambers!
+ // Changed with the introduction of
+ // the new layer 0. The old layer 6
+ // is removed.
+ Float_t length[kNplan][kNcham] = { { 124.0, 124.0, 110.0, 124.0, 124.0 }
+ , { 124.0, 124.0, 110.0, 124.0, 124.0 }
+ , { 131.0, 131.0, 110.0, 131.0, 131.0 }
+ , { 138.0, 138.0, 110.0, 138.0, 138.0 }
+ , { 145.0, 145.0, 110.0, 145.0, 145.0 }
+ , { 147.0, 147.0, 110.0, 147.0, 147.0 } };
+ // Old layer 6
+ // , { 147.0, 147.0, 110.0, 147.0, 147.0 } };
for (icham = 0; icham < kNcham; icham++) {
for (iplan = 0; iplan < kNplan; iplan++) {
}
}
- // 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)
+void AliTRDgeometry::CreateGeometry(Int_t* )
{
//
- // Redefines the number of pads in raw direction for
- // a given plane and chamber number
+ // Create TRD geometry
//
- 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()
+Bool_t AliTRDgeometry::Local2Global(Int_t idet, Double_t *local
+ , Double_t *global) const
{
//
- // Defines the number of pads in row direction
+ // Converts local pad-coordinates (row,col,time) into
+ // global ALICE reference frame coordinates (x,y,z)
//
- 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++) {
+ Int_t icham = GetChamber(idet); // Chamber info (0-4)
+ Int_t isect = GetSector(idet); // Sector info (0-17)
+ Int_t iplan = GetPlane(idet); // Plane info (0-5)
- 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;
-
- }
- }
- }
+ return Local2Global(iplan,icham,isect,local,global);
}
-
+
//_____________________________________________________________________________
-void AliTRDgeometry::SetColPadSize(const Int_t p, const Float_t s)
+Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect
+ , Double_t *local, Double_t *global) const
{
//
- // Redefines the pad size in column direction
+ // Converts local pad-coordinates (row,col,time) into
+ // global ALICE reference frame coordinates (x,y,z)
//
- fColPadSize[p] = s;
- fCol0[p] = - fCwidth[p]/2. + fgkCpadW;
- fColMax[p] = ((Int_t) ((fCwidth[p] - 2. * fgkCpadW) / s));
+ AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
+ if (!commonParam)
+ return kFALSE;
-}
+ AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
+ if (!calibration)
+ return kFALSE;
+
+ AliTRDpadPlane *padPlane = commonParam->GetPadPlane(iplan,icham);
-//_____________________________________________________________________________
-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>.
- //
+ // calculate (x,y,z) position in rotated chamber
+ Int_t row = ((Int_t) local[0]);
+ Int_t col = ((Int_t) local[1]);
+ Float_t timeSlice = local[2] + 0.5;
+ Float_t time0 = GetTime0(iplan);
- fTimeMax = nbin;
- fTimeBinSize = fgkDrThick / ((Float_t) fTimeMax);
- for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
- fTime0[iplan] = fgkRmin + fgkCraH + fgkCdrH
- + iplan * (fgkCH + fgkVspace);
- }
+ Int_t idet = GetDetector(iplan, icham, isect);
-}
+ Double_t rot[3];
+ rot[0] = time0 - (timeSlice - calibration->GetT0(idet, col, row))
+ * calibration->GetVdrift(idet, col, row)/calibration->GetSamplingFrequency();
+ rot[1] = padPlane->GetColPos(col) - 0.5 * padPlane->GetColSize(col);
+ rot[2] = padPlane->GetRowPos(row) - 0.5 * padPlane->GetRowSize(row);
-//_____________________________________________________________________________
-void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
-{
- //
- // Create TRD geometry
- //
+ // Rotate back to original position
+ return RotateBack(idet,rot,global);
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global) const
+Bool_t AliTRDgeometry::Global2Local(Int_t mode, Double_t *local, Double_t *global
+ , Int_t* index) const
{
//
// Converts local pad-coordinates (row,col,time) into
// global ALICE reference frame coordinates (x,y,z)
//
+ // index[0] = plane number
+ // index[1] = chamber number
+ // index[2] = sector number
+ //
+ // mode=0 - local coordinate in y, z, x - rotated global
+ // mode=2 - local coordinate in pad, and pad row, x - rotated global
+ //
- Int_t icham = GetChamber(idet); // Chamber info (0-4)
- Int_t isect = GetSector(idet); // Sector info (0-17)
- Int_t iplan = GetPlane(idet); // Plane info (0-5)
+ //Int_t idet = GetDetector(iplan,icham,isect); // Detector number
+ Int_t idet = GetDetector(index[0],index[1],index[2]); // Detector number
+ Rotate(idet,global,local);
+ if (mode==0) return kTRUE;
+ //
+ // Float_t row0 = par->GetRow0(iplan,icham,isect);
+ //Float_t col0 = par->GetCol0(iplan);
+ //Float_t time0 = GetTime0(iplan);
+ //
+ // mode 1 to be implemented later
+ // calculate (x,y,z) position in time bin pad row pad
+ //
+ //rot[0] = time0 - (timeSlice - par->GetTimeBefore())
+ // * par->GetDriftVelocity()/par->GetSamplingFrequency();
+ //rot[1] = col0 + padCol
+ // * par->GetColPadSize(iplan);
+ //rot[2] = row0 + padRow
+ // * par->GetRowPadSize(iplan,icham,isect);
- return Local2Global(iplan,icham,isect,local,global);
+ return kTRUE;
}
-
+
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect
- , Float_t *local, Float_t *global) const
+Bool_t AliTRDgeometry::Global2Detector(Double_t global[3], Int_t index[3])
{
+ //
+ // input = global position
+ // output = index
+ // index[0] = plane number
+ // index[1] = chamber number
+ // index[2] = sector number
//
- // Converts local pad-coordinates (row,col,time) into
- // global ALICE reference frame coordinates (x,y,z)
- //
-
- 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 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];
-
- // Rotate back to original position
- return RotateBack(idet,rot,global);
+ Float_t fi;
+ //
+ fi = TMath::ATan2(global[1],global[0]);
+ if (fi<0) fi += 2*TMath::Pi();
+ index[2] = Int_t(TMath::Nint((fi - GetAlpha()/2.)/GetAlpha()));
+ //
+ //
+ Float_t locx = global[0] * fRotA11[index[2]] + global[1] * fRotA12[index[2]];
+ index[0] = 0;
+ Float_t max = locx - GetTime0(0);
+ for (Int_t iplane=1; iplane<fgkNplan;iplane++){
+ Float_t dist = TMath::Abs(locx - GetTime0(iplane));
+ if (dist < max){
+ index[0] = iplane;
+ max = dist;
+ }
+ }
+ Float_t theta = TMath::ATan2(global[2],locx);
+ index[1] = TMath::Nint(float(fgkNcham)*theta/(0.25*TMath::Pi()));
+ return kTRUE;
}
+
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Rotate(Int_t d, Float_t *pos, Float_t *rot) const
+Bool_t AliTRDgeometry::Rotate(Int_t d, Double_t *pos, Double_t *rot) const
{
//
// Rotates all chambers in the position of sector 0 and transforms
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::RotateBack(Int_t d, Float_t *rot, Float_t *pos) const
+Bool_t AliTRDgeometry::RotateBack(Int_t d, Double_t *rot, Double_t *pos) const
{
//
// Rotates a chambers from the position of sector 0 into its
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetDetectorSec(const Int_t p, const Int_t c) const
+Int_t AliTRDgeometry::GetDetectorSec(Int_t p, Int_t c)
{
//
// Convert plane / chamber into detector number for one single sector
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetDetector(const Int_t p, const Int_t c, const Int_t s) const
+Int_t AliTRDgeometry::GetDetector(Int_t p, Int_t c, Int_t s)
{
//
// Convert plane / chamber / sector into detector number
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetPlane(const Int_t d) const
+Int_t AliTRDgeometry::GetPlane(Int_t d) const
{
//
// Reconstruct the plane number from the detector number
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetChamber(const Int_t d) const
+Int_t AliTRDgeometry::GetChamber(Int_t d) const
{
//
// Reconstruct the chamber number from the detector number
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetSector(const Int_t d) const
+Int_t AliTRDgeometry::GetSector(Int_t d) const
{
//
// Reconstruct the sector number from the detector number
}
//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos
- , TMatrix &mat) const
+AliTRDgeometry* AliTRDgeometry::GetGeometry(AliRunLoader* runLoader)
{
- //
- // 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
+ // load the geometry from the galice file
//
- Int_t detector = ((AliTRDrecPoint *) p)->GetDetector();
+ if (!runLoader) runLoader = AliRunLoader::GetRunLoader();
+ if (!runLoader) {
+ ::Error("AliTRDgeometry::GetGeometry", "No run loader");
+ return NULL;
+ }
- Float_t global[3];
- Float_t local[3];
- local[0] = ((AliTRDrecPoint *) p)->GetLocalRow();
- local[1] = ((AliTRDrecPoint *) p)->GetLocalCol();
- local[2] = ((AliTRDrecPoint *) p)->GetLocalTime();
+ TDirectory* saveDir = gDirectory;
+ runLoader->CdGAFile();
- 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);
+ // Try from the galice.root file
+ AliTRDgeometry* geom = (AliTRDgeometry*) gDirectory->Get("TRDgeometry");
+
+ if (!geom) {
+ // It is not in the file, try to get it from gAlice,
+ // which corresponds to the run loader
+ AliTRD * trd = (AliTRD*)runLoader->GetAliRun()->GetDetector("TRD");
+ geom = trd->GetGeometry();
}
+ if (!geom) ::Error("AliTRDgeometry::GetGeometry", "Geometry not found");
+ saveDir->cd();
+ return geom;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff