* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-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 <TGeoManager.h>
+#include <TGeoPhysicalNode.h>
+#include <TGeoMatrix.h>
+
+#include "AliLog.h"
+#include "AliRunLoader.h"
+#include "AliAlignObj.h"
+#include "AliAlignObjAngles.h"
+#include "AliRun.h"
+
+#include "AliTRD.h"
+#include "AliTRDcalibDB.h"
+#include "AliTRDCommonParam.h"
#include "AliTRDgeometry.h"
-#include "AliTRDrecPoint.h"
-#include "AliMC.h"
+#include "AliTRDpadPlane.h"
ClassImp(AliTRDgeometry)
//
// Dimensions of the detector
//
+
+ // Inner and outer radius of the mother volumes
const Float_t AliTRDgeometry::fgkRmin = 294.0;
const Float_t AliTRDgeometry::fgkRmax = 368.0;
+ // Upper and lower length of the mother volumes
const Float_t AliTRDgeometry::fgkZmax1 = 378.35;
const Float_t AliTRDgeometry::fgkZmax2 = 302.0;
- const Float_t AliTRDgeometry::fgkSheight = 74.0;
- const Float_t AliTRDgeometry::fgkSwidth1 = 99.613;
- const Float_t AliTRDgeometry::fgkSwidth2 = 125.707;
+ // Parameter of the BTR mother volumes
+ const Float_t AliTRDgeometry::fgkSheight = 77.9;
+ const Float_t AliTRDgeometry::fgkSwidth1 = 94.881;
+ const Float_t AliTRDgeometry::fgkSwidth2 = 122.353;
const Float_t AliTRDgeometry::fgkSlenTR1 = 751.0;
const Float_t AliTRDgeometry::fgkSlenTR2 = 313.5;
const Float_t AliTRDgeometry::fgkSlenTR3 = 159.5;
- const Float_t AliTRDgeometry::fgkCheight = 11.0;
- const Float_t AliTRDgeometry::fgkCspace = 1.6;
- const Float_t AliTRDgeometry::fgkCathick = 1.0;
- const Float_t AliTRDgeometry::fgkCcthick = 1.0;
- const Float_t AliTRDgeometry::fgkCaframe = 2.675;
- const Float_t AliTRDgeometry::fgkCcframe = AliTRDgeometry::fgkCheight
- - AliTRDgeometry::fgkCaframe;
+ // 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;
+ // Drift region
+ const Float_t AliTRDgeometry::fgkCdrH = 3.0;
+ // Amplification region
+ const Float_t AliTRDgeometry::fgkCamH = 0.7;
+ // Readout
+ const Float_t AliTRDgeometry::fgkCroH = 2.316;
+ // Total height
+ const Float_t AliTRDgeometry::fgkCH = AliTRDgeometry::fgkCraH
+ + AliTRDgeometry::fgkCdrH
+ + AliTRDgeometry::fgkCamH
+ + AliTRDgeometry::fgkCroH;
+
+ // Vertical spacing of the chambers
+ const Float_t AliTRDgeometry::fgkVspace = 1.784;
+
+ // Horizontal spacing of the chambers
+ const Float_t AliTRDgeometry::fgkHspace = 2.0;
+
+ // Radial distance of the first ROC to the outer plates of the SM
+ const Float_t AliTRDgeometry::fgkVrocsm = 1.2;
+
+ // Thicknesses of different parts of the chamber frame
+ // Lower aluminum frame
+ const Float_t AliTRDgeometry::fgkCalT = 0.3;
+ // Lower G10 frame sides
+ const Float_t AliTRDgeometry::fgkCclsT = 0.3;
+ // Lower G10 frame front
+ const Float_t AliTRDgeometry::fgkCclfT = 1.0;
+ // Upper G10 frame
+ const Float_t AliTRDgeometry::fgkCcuT = 0.9;
+ // Upper Al frame
+ const Float_t AliTRDgeometry::fgkCauT = 1.5;
+
+ // Additional width of the readout chamber frames
+ 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::fgkCpadW = 0.0;
+ const Float_t AliTRDgeometry::fgkRpadW = 1.0;
//
// Thickness of the the material layers
//
- const Float_t AliTRDgeometry::fgkSeThick = 0.02;
- const Float_t AliTRDgeometry::fgkRaThick = 4.78;
- const Float_t AliTRDgeometry::fgkPeThick = 0.20;
+ const Float_t AliTRDgeometry::fgkRaThick = 0.3646;
const Float_t AliTRDgeometry::fgkMyThick = 0.005;
- const Float_t AliTRDgeometry::fgkXeThick = 3.5;
- const Float_t AliTRDgeometry::fgkDrThick = 3.0;
- const Float_t AliTRDgeometry::fgkAmThick = AliTRDgeometry::fgkXeThick
- - AliTRDgeometry::fgkDrThick;
- const Float_t AliTRDgeometry::fgkCuThick = 0.001;
+ const Float_t AliTRDgeometry::fgkDrThick = AliTRDgeometry::fgkCdrH;
+ const Float_t AliTRDgeometry::fgkAmThick = AliTRDgeometry::fgkCamH;
+ const Float_t AliTRDgeometry::fgkXeThick = AliTRDgeometry::fgkDrThick
+ + AliTRDgeometry::fgkAmThick;
+ const Float_t AliTRDgeometry::fgkCuThick = 0.0072;
const Float_t AliTRDgeometry::fgkSuThick = 0.06;
const Float_t AliTRDgeometry::fgkFeThick = 0.0044;
const Float_t AliTRDgeometry::fgkCoThick = 0.02;
- const Float_t AliTRDgeometry::fgkWaThick = 0.01;
+ const Float_t AliTRDgeometry::fgkWaThick = 0.02;
+ const Float_t AliTRDgeometry::fgkRcThick = 0.0058;
+ const Float_t AliTRDgeometry::fgkRpThick = 0.0632;
//
// Position of the material layers
//
- const Float_t AliTRDgeometry::fgkSeZpos = -4.14;
- const Float_t AliTRDgeometry::fgkRaZpos = -1.74;
- const Float_t AliTRDgeometry::fgkPeZpos = 0.0000;
- const Float_t AliTRDgeometry::fgkMyZpos = 0.6550;
- const Float_t AliTRDgeometry::fgkDrZpos = 2.1600;
- const Float_t AliTRDgeometry::fgkAmZpos = 3.9100;
- const Float_t AliTRDgeometry::fgkCuZpos = -1.3370;
+ const Float_t AliTRDgeometry::fgkRaZpos = -1.50;
+ const Float_t AliTRDgeometry::fgkMyZpos = 0.895;
+ const Float_t AliTRDgeometry::fgkDrZpos = 2.4;
+ const Float_t AliTRDgeometry::fgkAmZpos = 0.0;
+ const Float_t AliTRDgeometry::fgkCuZpos = -0.9995;
const Float_t AliTRDgeometry::fgkSuZpos = 0.0000;
- const Float_t AliTRDgeometry::fgkFeZpos = 1.3053;
- const Float_t AliTRDgeometry::fgkCoZpos = 1.3175;
- const Float_t AliTRDgeometry::fgkWaZpos = 1.3325;
+ const Float_t AliTRDgeometry::fgkFeZpos = 0.0322;
+ const Float_t AliTRDgeometry::fgkCoZpos = 0.97;
+ const Float_t AliTRDgeometry::fgkWaZpos = 0.99;
+ const Float_t AliTRDgeometry::fgkRcZpos = 1.04;
+ const Float_t AliTRDgeometry::fgkRpZpos = 1.0;
+
+ 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()
+AliTRDgeometry::AliTRDgeometry()
+ :AliGeometry()
+ ,fMatrixArray(0)
+ ,fMatrixCorrectionArray(0)
+ ,fMatrixGeo(0)
+
{
//
// AliTRDgeometry default constructor
}
+//_____________________________________________________________________________
+AliTRDgeometry::AliTRDgeometry(const AliTRDgeometry &g)
+ :AliGeometry(g)
+ ,fMatrixArray(g.fMatrixArray)
+ ,fMatrixCorrectionArray(g.fMatrixCorrectionArray)
+ ,fMatrixGeo(g.fMatrixGeo)
+{
+ //
+ // AliTRDgeometry copy constructor
+ //
+
+ Init();
+
+}
+
//_____________________________________________________________________________
AliTRDgeometry::~AliTRDgeometry()
{
// AliTRDgeometry destructor
//
+ if (fMatrixArray) {
+ delete fMatrixArray;
+ fMatrixArray = 0;
+ }
+
+ if (fMatrixCorrectionArray) {
+ delete fMatrixCorrectionArray;
+ fMatrixCorrectionArray = 0;
+ }
+
+}
+
+//_____________________________________________________________________________
+AliTRDgeometry &AliTRDgeometry::operator=(const AliTRDgeometry &g)
+{
+ //
+ // Assignment operator
+ //
+
+ if (this != &g) Init();
+
+ return *this;
+
}
//_____________________________________________________________________________
// Initializes the geometry parameter
//
+ Int_t icham;
+ Int_t iplan;
Int_t isect;
- // The width of the chambers
- fCwidth[0] = 99.6;
- fCwidth[1] = 104.1;
- fCwidth[2] = 108.5;
- fCwidth[3] = 112.9;
- fCwidth[4] = 117.4;
- fCwidth[5] = 121.8;
-
- // The maximum number of pads
- // and the position of pad 0,0,0
- //
- // chambers seen from the top:
- // +----------------------------+
- // | |
- // | | ^
- // | | rphi|
- // | | |
- // |0 | |
- // +----------------------------+ +------>
- // z
- // chambers seen from the side: ^
- // +----------------------------+ drift|
- // |0 | |
- // | | |
- // +----------------------------+ +------>
- // z
- //
- // IMPORTANT: time bin 0 is now the first one in the drift region
- // closest to the readout !!!
- //
-
- // The pad column (rphi-direction)
- SetNColPad(96);
-
- // 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 outer width of the chambers
+ fCwidth[0] = 90.4;
+ fCwidth[1] = 94.8;
+ fCwidth[2] = 99.3;
+ fCwidth[3] = 103.7;
+ fCwidth[4] = 108.1;
+ fCwidth[5] = 112.6;
+
+ // The outer lengths of the chambers
+ // Includes the spacings between the chambers!
+ 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 } };
+
+ for (icham = 0; icham < kNcham; icham++) {
+ for (iplan = 0; iplan < kNplan; iplan++) {
+ fClength[iplan][icham] = length[iplan][icham];
+ }
+ }
// The rotation matrix elements
- Float_t phi = 0;
+ Float_t phi = 0.0;
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);
fRotB21[isect] = TMath::Sin(phi);
fRotB22[isect] = TMath::Cos(phi);
}
+
+ for (isect = 0; isect < fgkNsect; isect++) {
+ SetSMstatus(isect,1);
+ }
}
//_____________________________________________________________________________
-void AliTRDgeometry::SetNColPad(const Int_t npad)
+void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
{
//
- // Redefines the number of pads in column direction
+ // Create the TRD geometry without hole
+ //
+ //
+ // Names of the TRD volumina (xx = detector number):
+ //
+ // Volume (Air) wrapping the readout chamber components
+ // UTxx includes: UAxx, UDxx, UFxx, UUxx
+ // Obs:
+ // UUxx the services volume has been reduced by 7.42 mm
+ // in order to allow shifts in radial direction
+ //
+ // Lower part of the readout chambers (gas volume + radiator)
+ //
+ // UAxx Aluminum frames (Al)
+ // UBxx G10 frames (C)
+ // UCxx Inner volumes (Air)
+ //
+ // Upper part of the readout chambers (readout plane + fee)
+ //
+ // UDxx G10 frames (C)
+ // UExx Inner volumes of the G10 (Air)
+ // UFxx Aluminum frames (Al)
+ // UGxx Inner volumes of the Al (Air)
+ //
+ // Inner material layers
+ //
+ // UHxx Radiator (Rohacell)
+ // UIxx Entrance window (Mylar)
+ // UJxx Drift volume (Xe/CO2)
+ // UKxx Amplification volume (Xe/CO2)
+ // ULxx Pad plane (Cu)
+ // UMxx Support structure (Rohacell)
+ // UNxx ROB base material (C)
+ // UOxx ROB copper (Cu)
//
- for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
- fColMax[iplan] = npad;
- fColPadSize[iplan] = (fCwidth[iplan] - 2. * fgkCcthick) / fColMax[iplan];
- fCol0[iplan] = -fCwidth[iplan]/2. + fgkCcthick;
+ const Int_t kNparTrd = 4;
+ const Int_t kNparCha = 3;
+
+ Float_t xpos;
+ Float_t ypos;
+ Float_t zpos;
+
+ Float_t parTrd[kNparTrd];
+ Float_t parCha[kNparCha];
+
+ Char_t cTagV[6];
+ Char_t cTagM[5];
+
+ // The TRD mother volume for one sector (Air), full length in z-direction
+ // Provides material for side plates of super module
+ parTrd[0] = fgkSwidth1/2.0;
+ parTrd[1] = fgkSwidth2/2.0;
+ parTrd[2] = fgkSlenTR1/2.0;
+ parTrd[3] = fgkSheight/2.0;
+ gMC->Gsvolu("UTR1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+
+ // The outer aluminum plates of the super module (Al)
+ parTrd[0] = fgkSwidth1/2.0;
+ parTrd[1] = fgkSwidth2/2.0;
+ parTrd[2] = fgkSlenTR1/2.0;
+ parTrd[3] = fgkSheight/2.0;
+ gMC->Gsvolu("UTS1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
+
+ // The inner part of the TRD mother volume for one sector (Air),
+ // full length in z-direction
+ parTrd[0] = fgkSwidth1/2.0 - fgkSMpltT;
+ parTrd[1] = fgkSwidth2/2.0 - fgkSMpltT;
+ parTrd[2] = fgkSlenTR1/2.0;
+ parTrd[3] = fgkSheight/2.0 - fgkSMpltT;
+ gMC->Gsvolu("UTI1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+
+ for (Int_t icham = 0; icham < kNcham; icham++) {
+ for (Int_t iplan = 0; iplan < kNplan; iplan++) {
+
+ Int_t iDet = GetDetectorSec(iplan,icham);
+
+ // The lower part of the readout chambers (gas volume + radiator)
+ // The aluminum frames
+ sprintf(cTagV,"UA%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0;
+ parCha[2] = fgkCraH/2.0 + fgkCdrH/2.0;
+ fChamberUAboxd[iDet][0] = parCha[0];
+ fChamberUAboxd[iDet][1] = parCha[1];
+ fChamberUAboxd[iDet][2] = parCha[2];
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
+ // The G10 frames
+ sprintf(cTagV,"UB%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 - fgkCalT;
+ parCha[1] = -1.0;
+ parCha[2] = -1.0;
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
+ // The inner part (air)
+ sprintf(cTagV,"UC%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 - fgkCalT - fgkCclsT;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0- fgkCclfT;
+ parCha[2] = -1.0;
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
+
+ // The upper part of the readout chambers (readout plane)
+ // The G10 frames
+ sprintf(cTagV,"UD%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 + fgkCroW;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0;
+ parCha[2] = fgkCamH/2.0;
+ fChamberUDboxd[iDet][0] = parCha[0];
+ fChamberUDboxd[iDet][1] = parCha[1];
+ fChamberUDboxd[iDet][2] = parCha[2];
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
+ // The inner part of the G10 frame (air)
+ sprintf(cTagV,"UE%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 + fgkCroW - fgkCcuT;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0- fgkCcuT;
+ parCha[2] = -1.;
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
+ // The aluminum frames
+ sprintf(cTagV,"UF%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 + fgkCroW;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0;
+ parCha[2] = fgkCroH/2.0;
+ fChamberUFboxd[iDet][0] = parCha[0];
+ fChamberUFboxd[iDet][1] = parCha[1];
+ fChamberUFboxd[iDet][2] = parCha[2];
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
+ // The inner part of the aluminum frames
+ sprintf(cTagV,"UG%02d",iDet);
+ parCha[0] = fCwidth[iplan]/2.0 + fgkCroW - fgkCauT;
+ parCha[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0- fgkCauT;
+ parCha[2] = -1.0;
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
+
+ // The material layers inside the chambers
+ parCha[0] = -1.0;
+ parCha[1] = -1.0;
+ // Rohacell layer (radiator)
+ parCha[2] = fgkRaThick/2.0;
+ sprintf(cTagV,"UH%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1315-1],parCha,kNparCha);
+ // Mylar layer (entrance window + HV cathode)
+ parCha[2] = fgkMyThick/2.0;
+ sprintf(cTagV,"UI%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1308-1],parCha,kNparCha);
+ // Xe/Isobutane layer (drift volume)
+ parCha[2] = fgkDrThick/2.0;
+ sprintf(cTagV,"UJ%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
+ // Xe/Isobutane layer (amplification volume)
+ parCha[2] = fgkAmThick/2.0;
+ sprintf(cTagV,"UK%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
+ // Cu layer (pad plane)
+ parCha[2] = fgkCuThick/2.0;
+ sprintf(cTagV,"UL%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
+ // G10 layer (support structure / honeycomb)
+ parCha[2] = fgkSuThick/2.0;
+ sprintf(cTagV,"UM%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
+ // G10 layer (readout board)
+ parCha[2] = fgkRpThick/2;
+ sprintf(cTagV,"UN%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
+ // Cu layer (readout board)
+ parCha[2] = fgkRcThick/2.0;
+ sprintf(cTagV,"UO%02d",iDet);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1306-1],parCha,kNparCha);
+
+ // Position the layers in the chambers
+ xpos = 0.0;
+ ypos = 0.0;
+ // Lower part
+ // Rohacell layer (radiator)
+ zpos = fgkRaZpos;
+ sprintf(cTagV,"UH%02d",iDet);
+ sprintf(cTagM,"UC%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // Mylar layer (entrance window + HV cathode)
+ zpos = fgkMyZpos;
+ sprintf(cTagV,"UI%02d",iDet);
+ sprintf(cTagM,"UC%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // Xe/Isobutane layer (drift volume)
+ zpos = fgkDrZpos;
+ sprintf(cTagV,"UJ%02d",iDet);
+ sprintf(cTagM,"UC%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // Upper part
+ // Xe/Isobutane layer (amplification volume)
+ zpos = fgkAmZpos;
+ sprintf(cTagV,"UK%02d",iDet);
+ sprintf(cTagM,"UE%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // Readout part
+ // Cu layer (pad plane)
+ zpos = fgkCuZpos;
+ sprintf(cTagV,"UL%02d",iDet);
+ sprintf(cTagM,"UG%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // G10 layer (support structure)
+ zpos = fgkSuZpos;
+ sprintf(cTagV,"UM%02d",iDet);
+ sprintf(cTagM,"UG%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // G10 layer (readout board)
+ zpos = fgkRpZpos;
+ sprintf(cTagV,"UN%02d",iDet);
+ sprintf(cTagM,"UG%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // Cu layer (readout board)
+ zpos = fgkRcZpos;
+ sprintf(cTagV,"UO%02d",iDet);
+ sprintf(cTagM,"UG%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+
+ // Position the inner volumes of the chambers in the frames
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ // The inside of the lower G10 frame
+ sprintf(cTagV,"UC%02d",iDet);
+ sprintf(cTagM,"UB%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // The lower G10 frame inside the aluminum frame
+ sprintf(cTagV,"UB%02d",iDet);
+ sprintf(cTagM,"UA%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // The inside of the upper G10 frame
+ sprintf(cTagV,"UE%02d",iDet);
+ sprintf(cTagM,"UD%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+ // The inside of the upper aluminum frame
+ sprintf(cTagV,"UG%02d",iDet);
+ sprintf(cTagM,"UF%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
+
+ // Position the frames of the chambers in the TRD mother volume
+ xpos = 0.0;
+ ypos = - fClength[iplan][0] - fClength[iplan][1] - fClength[iplan][2]/2.0;
+ for (Int_t ic = 0; ic < icham; ic++) {
+ ypos += fClength[iplan][ic];
+ }
+ ypos += fClength[iplan][icham]/2.0;
+ zpos = fgkVrocsm + fgkCraH/2.0 + fgkCdrH/2.0 - fgkSheight/2.0
+ + iplan * (fgkCH + fgkVspace);
+ // The lower aluminum frame, radiator + drift region
+ sprintf(cTagV,"UA%02d",iDet);
+ fChamberUAorig[iDet][0] = xpos;
+ fChamberUAorig[iDet][1] = ypos;
+ fChamberUAorig[iDet][2] = zpos;
+ // The upper G10 frame, amplification region
+ sprintf(cTagV,"UD%02d",iDet);
+ zpos += fgkCamH/2.0 + fgkCraH/2.0 + fgkCdrH/2.0;
+ fChamberUDorig[iDet][0] = xpos;
+ fChamberUDorig[iDet][1] = ypos;
+ fChamberUDorig[iDet][2] = zpos;
+ // The upper aluminum frame
+ sprintf(cTagV,"UF%02d",iDet);
+ zpos += fgkCroH/2.0 + fgkCamH/2.0;
+ fChamberUForig[iDet][0] = xpos;
+ fChamberUForig[iDet][1] = ypos;
+ fChamberUForig[iDet][2] = zpos;
+
+ }
+ }
+
+ // Create the volumes of the super module frame
+ CreateFrame(idtmed);
+
+ // Create the volumes of the services
+ CreateServices(idtmed);
+
+ for (Int_t icham = 0; icham < kNcham; icham++) {
+ for (Int_t iplan = 0; iplan < kNplan; iplan++) {
+ GroupChamber(iplan,icham,idtmed);
+ }
+ }
+
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ gMC->Gspos("UTI1",1,"UTS1",xpos,ypos,zpos,0,"ONLY");
+
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ gMC->Gspos("UTS1",1,"UTR1",xpos,ypos,zpos,0,"ONLY");
+
+ // Put the TRD volumes into the space frame mother volumes
+ // if enabled via status flag
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ for (Int_t isect = 0; isect < kNsect; isect++) {
+ if (fSMstatus[isect]) {
+ sprintf(cTagV,"BTRD%d",isect);
+ gMC->Gspos("UTR1",1,cTagV,xpos,ypos,zpos,0,"ONLY");
+ }
}
}
//_____________________________________________________________________________
-void AliTRDgeometry::SetNTimeBin(const Int_t nbin)
+void AliTRDgeometry::CreateFrame(Int_t *idtmed)
{
//
- // 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>.
+ // Create the geometry of the frame of the supermodule
+ //
+ // Names of the TRD services volumina
+ //
+ // USRL Support rails for the chambers (Al)
+ // USxx Support cross bars between the chambers (Al)
+ //
+
+ Int_t iplan = 0;
+
+ Float_t xpos = 0.0;
+ Float_t ypos = 0.0;
+ Float_t zpos = 0.0;
+
+ Char_t cTagV[5];
+
+ //
+ // The chamber support rails
+ //
+
+ const Float_t kSRLwid = 2.00;
+ const Float_t kSRLhgt = 2.3;
+ const Float_t kSRLdst = 0.6;
+ const Int_t kNparSRL = 3;
+ Float_t parSRL[kNparSRL];
+ parSRL[0] = kSRLwid/2.0;
+ parSRL[1] = fgkSlenTR1/2.;
+ parSRL[2] = kSRLhgt/2.0;
+ gMC->Gsvolu("USRL","BOX ",idtmed[1301-1],parSRL,kNparSRL);
+
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ for (iplan = 0; iplan < kNplan; iplan++) {
+ xpos = fCwidth[iplan]/2.0 + kSRLwid/2.0 + kSRLdst;
+ ypos = 0.0;
+ zpos = fgkVrocsm + fgkCraH + fgkCdrH - fgkSheight/2.0 - kSRLhgt/2.0
+ + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos("USRL",iplan+1 ,"UTI1", xpos,ypos,zpos,0,"ONLY");
+ gMC->Gspos("USRL",iplan+1+ kNplan,"UTI1",-xpos,ypos,zpos,0,"ONLY");
+ }
+
+ //
+ // The cross bars between the chambers
//
- fTimeMax = nbin;
- fTimeBinSize = fgkDrThick / ((Float_t) fTimeMax);
- for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
- fTime0[iplan] = fgkRmin + fgkCcframe/2. + fgkDrZpos + 0.5 * fgkDrThick
- + iplan * (fgkCheight + fgkCspace);
+ const Float_t kSCBwid = 1.0;
+ const Int_t kNparSCB = 3;
+ Float_t parSCB[kNparSCB];
+ parSCB[1] = kSCBwid/2.0;
+ parSCB[2] = fgkCH/2.0;
+
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ for (iplan = 0; iplan < kNplan; iplan++) {
+
+ parSCB[0] = fCwidth[iplan]/2.0 + kSRLdst/2.0;
+
+ sprintf(cTagV,"US0%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = fgkSlenTR1/2.0 - kSCBwid/2.0;
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
+ sprintf(cTagV,"US1%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = fClength[iplan][2]/2.0 + fClength[iplan][1];
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
+ sprintf(cTagV,"US2%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = fClength[iplan][2]/2.0;
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
+ sprintf(cTagV,"US3%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = - fClength[iplan][2]/2.0;
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
+ sprintf(cTagV,"US4%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = - fClength[iplan][2]/2.0 - fClength[iplan][1];
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
+ sprintf(cTagV,"US5%01d",iplan);
+ gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+ xpos = 0.0;
+ ypos = - fgkSlenTR1/2.0 + kSCBwid/2.0;
+ zpos = fgkVrocsm + fgkCH/2.0 - fgkSheight/2.0 + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+
}
}
//_____________________________________________________________________________
-void AliTRDgeometry::CreateGeometry(Int_t *idtmed)
+void AliTRDgeometry::CreateServices(Int_t *idtmed)
+{
+ //
+ // Create the geometry of the services
+ //
+ // Names of the TRD services volumina
+ //
+ // UTCL Cooling arterias (Al)
+ // UTCW Cooling arterias (Water)
+ // UUxx Volumes for the services at the chambers (Air)
+ // UTPW Power bars (Cu)
+ // UTCP Cooling pipes (Al)
+ // UTCH Cooling pipes (Water)
+ // UTPL Power lines (Cu)
+ // UMCM Readout MCMs (G10/Cu/Si)
+ //
+
+ Int_t iplan = 0;
+ Int_t icham = 0;
+
+ Float_t xpos = 0.0;
+ Float_t ypos = 0.0;
+ Float_t zpos = 0.0;
+
+ Char_t cTagV[5];
+
+ // The rotation matrices
+ const Int_t kNmatrix = 4;
+ Int_t matrix[kNmatrix];
+ gMC->Matrix(matrix[0], 100.0, 0.0, 90.0, 90.0, 10.0, 0.0);
+ gMC->Matrix(matrix[1], 80.0, 0.0, 90.0, 90.0, 10.0, 180.0);
+ gMC->Matrix(matrix[2], 0.0, 0.0, 90.0, 90.0, 90.0, 0.0);
+ gMC->Matrix(matrix[3], 180.0, 0.0, 90.0, 90.0, 90.0, 180.0);
+
+ AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance();
+ if (!commonParam) {
+ AliError("Could not get common parameters\n");
+ return;
+ }
+
+ //
+ // The cooling arterias
+ //
+
+ // Width of the cooling arterias
+ const Float_t kCOLwid = 0.5;
+ // Height of the cooling arterias
+ const Float_t kCOLhgt = 5.5;
+ // Positioning of the cooling
+ const Float_t kCOLposx = 1.6;
+ const Float_t kCOLposz = -0.2;
+ // Thickness of the walls of the cooling arterias
+ const Float_t kCOLthk = 0.1;
+ const Int_t kNparCOL = 3;
+ Float_t parCOL[kNparCOL];
+ parCOL[0] = kCOLwid/2.0;
+ parCOL[1] = fgkSlenTR1/2.0;
+ parCOL[2] = kCOLhgt/2.0;
+ gMC->Gsvolu("UTCL","BOX ",idtmed[1324-1],parCOL,kNparCOL);
+ parCOL[0] -= kCOLthk;
+ parCOL[1] = fgkSlenTR1/2.0;
+ parCOL[2] -= kCOLthk;
+ gMC->Gsvolu("UTCW","BOX ",idtmed[1314-1],parCOL,kNparCOL);
+
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ gMC->Gspos("UTCW",1,"UTCL", xpos,ypos,zpos,0,"ONLY");
+
+ for (iplan = 1; iplan < kNplan; iplan++) {
+
+ xpos = fCwidth[iplan]/2.0 + kCOLwid/2.0 + kCOLposx;
+ ypos = 0.0;
+ zpos = fgkVrocsm + kCOLhgt/2.0 - fgkSheight/2.0 + kCOLposz
+ + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos("UTCL",iplan ,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
+ gMC->Gspos("UTCL",iplan+kNplan,"UTI1",-xpos,ypos,zpos,matrix[1],"ONLY");
+
+ }
+
+ // The upper most layer (reaching into TOF acceptance)
+ xpos = fCwidth[5]/2.0 - kCOLhgt/2.0 - 2.3;
+ ypos = 0.0;
+ zpos = fgkVrocsm + kCOLwid/2.0 - fgkSheight/2.0
+ + 6.0*fgkCH + 6.0*fgkVspace;
+
+ gMC->Gspos("UTCL",6 ,"UTI1", xpos,ypos,zpos,matrix[3],"ONLY");
+ gMC->Gspos("UTCL",6+kNplan,"UTI1",-xpos,ypos,zpos,matrix[3],"ONLY");
+
+ //
+ // The power bars
+ //
+
+ const Float_t kPWRwid = 0.6;
+ const Float_t kPWRhgt = 4.5;
+ const Float_t kPWRposx = 1.05;
+ const Float_t kPWRposz = 0.9;
+ const Int_t kNparPWR = 3;
+ Float_t parPWR[kNparPWR];
+ parPWR[0] = kPWRwid/2.0;
+ parPWR[1] = fgkSlenTR1/2.0;
+ parPWR[2] = kPWRhgt/2.0;
+ gMC->Gsvolu("UTPW","BOX ",idtmed[1325-1],parPWR,kNparPWR);
+
+ for (iplan = 1; iplan < kNplan; iplan++) {
+
+ xpos = fCwidth[iplan]/2.0 + kPWRwid/2.0 + kPWRposx;
+ ypos = 0.0;
+ zpos = fgkVrocsm + kPWRhgt/2.0 - fgkSheight/2.0 + kPWRposz
+ + iplan * (fgkCH + fgkVspace);
+ gMC->Gspos("UTPW",iplan ,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
+ gMC->Gspos("UTPW",iplan+kNplan,"UTI1",-xpos,ypos,zpos,matrix[1],"ONLY");
+
+ }
+
+ // The upper most layer (reaching into TOF acceptance)
+ xpos = fCwidth[5]/2.0 + kPWRhgt/2.0 - 2.3;
+ ypos = 0.0;
+ zpos = fgkVrocsm + kPWRwid/2.0 - fgkSheight/2.0
+ + 6.0*fgkCH + 6.0*fgkVspace;
+ gMC->Gspos("UTPW",6 ,"UTI1", xpos,ypos,zpos,matrix[3],"ONLY");
+ gMC->Gspos("UTPW",6+kNplan,"UTI1",-xpos,ypos,zpos,matrix[3],"ONLY");
+
+ //
+ // The volumes for the services at the chambers
+ //
+
+ const Int_t kNparServ = 3;
+ Float_t parServ[kNparServ];
+
+ for (icham = 0; icham < kNcham; icham++) {
+ for (iplan = 0; iplan < kNplan; iplan++) {
+
+ Int_t iDet = GetDetectorSec(iplan,icham);
+
+ sprintf(cTagV,"UU%02d",iDet);
+ parServ[0] = fCwidth[iplan]/2.0;
+ parServ[1] = fClength[iplan][icham]/2.0 - fgkHspace/2.0;
+ // ???? !!!!!!!!!!!!!!
+ parServ[2] = fgkVspace/2.0 - 0.742/2.0;
+ fChamberUUboxd[iDet][0] = parServ[0];
+ fChamberUUboxd[iDet][1] = parServ[1];
+ fChamberUUboxd[iDet][2] = parServ[2];
+ gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
+
+ xpos = 0.;
+ ypos = - fClength[iplan][0] - fClength[iplan][1] - fClength[iplan][2]/2.0;
+ for (Int_t ic = 0; ic < icham; ic++) {
+ ypos += fClength[iplan][ic];
+ }
+ ypos += fClength[iplan][icham]/2.0;
+ zpos = fgkVrocsm + fgkCH + fgkVspace/2.0 - fgkSheight/2.0
+ + iplan * (fgkCH + fgkVspace);
+ zpos -= 0.742/2.0;
+ fChamberUUorig[iDet][0] = xpos;
+ fChamberUUorig[iDet][1] = ypos;
+ fChamberUUorig[iDet][2] = zpos;
+
+ }
+ }
+
+ //
+ // The cooling pipes inside the service volumes
+ //
+
+ const Int_t kNparTube = 3;
+ Float_t parTube[kNparTube];
+ // The aluminum pipe for the cooling
+ parTube[0] = 0.0;
+ parTube[1] = 0.0;
+ parTube[2] = 0.0;
+ gMC->Gsvolu("UTCP","TUBE",idtmed[1324-1],parTube,0);
+ // The cooling water
+ parTube[0] = 0.0;
+ parTube[1] = 0.2/2.0;
+ parTube[2] = -1.;
+ gMC->Gsvolu("UTCH","TUBE",idtmed[1314-1],parTube,kNparTube);
+ // Water inside the cooling pipe
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = 0.0;
+ gMC->Gspos("UTCH",1,"UTCP",xpos,ypos,zpos,0,"ONLY");
+
+ // Position the cooling pipes in the mother volume
+ const Int_t kNpar = 3;
+ Float_t par[kNpar];
+ for (icham = 0; icham < kNcham; icham++) {
+ for (iplan = 0; iplan < kNplan; iplan++) {
+ Int_t iDet = GetDetectorSec(iplan,icham);
+ Int_t iCopy = GetDetector(iplan,icham,0) * 100;
+ Int_t nMCMrow = commonParam->GetRowMax(iplan,icham,0);
+ Float_t ySize = (GetChamberLength(iplan,icham) - 2.0*fgkRpadW)
+ / ((Float_t) nMCMrow);
+ sprintf(cTagV,"UU%02d",iDet);
+ for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+ xpos = 0.0;
+ ypos = (0.5 + iMCMrow) * ySize - 1.9
+ - fClength[iplan][icham]/2.0 + fgkHspace/2.0;
+ zpos = 0.0 + 0.742/2.0;
+ par[0] = 0.0;
+ par[1] = 0.3/2.0; // Thickness of the cooling pipes
+ par[2] = fCwidth[iplan]/2.0;
+ gMC->Gsposp("UTCP",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
+ ,matrix[2],"ONLY",par,kNpar);
+ }
+ }
+ }
+
+ //
+ // The power lines
+ //
+
+ // The copper power lines
+ parTube[0] = 0.0;
+ parTube[1] = 0.0;
+ parTube[2] = 0.0;
+ gMC->Gsvolu("UTPL","TUBE",idtmed[1305-1],parTube,0);
+
+ // Position the power lines in the mother volume
+ for (icham = 0; icham < kNcham; icham++) {
+ for (iplan = 0; iplan < kNplan; iplan++) {
+ Int_t iDet = GetDetectorSec(iplan,icham);
+ Int_t iCopy = GetDetector(iplan,icham,0) * 100;
+ Int_t nMCMrow = commonParam->GetRowMax(iplan,icham,0);
+ Float_t ySize = (GetChamberLength(iplan,icham) - 2.0*fgkRpadW)
+ / ((Float_t) nMCMrow);
+ sprintf(cTagV,"UU%02d",iDet);
+ for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+ xpos = 0.0;
+ ypos = (0.5 + iMCMrow) * ySize - 1.0
+ - fClength[iplan][icham]/2.0 + fgkHspace/2.0;
+ zpos = -0.4 + 0.742/2.0;
+ par[0] = 0.0;
+ par[1] = 0.2/2.0; // Thickness of the power lines
+ par[2] = fCwidth[iplan]/2.0;
+ gMC->Gsposp("UTPL",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
+ ,matrix[2],"ONLY",par,kNpar);
+ }
+ }
+ }
+
+ //
+ // The MCMs
+ //
+
+ // The mother volume for the MCMs (air)
+ const Int_t kNparMCM = 3;
+ Float_t parMCM[kNparMCM];
+ parMCM[0] = 3.0/2.0;
+ parMCM[1] = 3.0/2.0;
+ parMCM[2] = 0.14/2.0;
+ gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parMCM,kNparMCM);
+
+ // The MCM carrier G10 layer
+ parMCM[0] = 3.0/2.0;
+ parMCM[1] = 3.0/2.0;
+ parMCM[2] = 0.1/2.0;
+ gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parMCM,kNparMCM);
+ // The MCM carrier Cu layer
+ parMCM[0] = 3.0/2.0;
+ parMCM[1] = 3.0/2.0;
+ parMCM[2] = 0.0162/2.0;
+ gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parMCM,kNparMCM);
+ // The silicon of the chips
+ parMCM[0] = 3.0/2.0;
+ parMCM[1] = 3.0/2.0;
+ parMCM[2] = 0.003/2.0;
+ gMC->Gsvolu("UMC3","BOX",idtmed[1320-1],parMCM,kNparMCM);
+
+ // Put the MCM material inside the MCM mother volume
+ xpos = 0.0;
+ ypos = 0.0;
+ zpos = -0.07 + 0.1/2.0;
+ gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+ zpos += 0.1/2.0 + 0.0162/2.0;
+ gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+ zpos += 0.00162/2 + 0.003/2.0;
+ gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+
+ // Position the MCMs in the mother volume
+ for (icham = 0; icham < kNcham; icham++) {
+ for (iplan = 0; iplan < kNplan; iplan++) {
+ Int_t iDet = GetDetectorSec(iplan,icham);
+ Int_t iCopy = GetDetector(iplan,icham,0) * 1000;
+ Int_t nMCMrow = commonParam->GetRowMax(iplan,icham,0);
+ Float_t ySize = (GetChamberLength(iplan,icham) - 2.0*fgkRpadW)
+ / ((Float_t) nMCMrow);
+ Int_t nMCMcol = 8;
+ Float_t xSize = (GetChamberWidth(iplan) - 2.0* fgkCpadW)
+ / ((Float_t) nMCMcol);
+ sprintf(cTagV,"UU%02d",iDet);
+ for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+ for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
+ xpos = (0.5 + iMCMcol) * xSize + 1.0
+ - fCwidth[iplan]/2.0;
+ ypos = (0.5 + iMCMrow) * ySize + 1.0
+ - fClength[iplan][icham]/2.0 + fgkHspace/2.0;
+ zpos = -0.4 + 0.742/2.0;
+ par[0] = 0.0;
+ par[1] = 0.2/2.0; // Thickness of the power lines
+ par[2] = fCwidth[iplan]/2.0;
+ gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol,cTagV
+ ,xpos,ypos,zpos,0,"ONLY");
+ }
+ }
+
+ }
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometry::GroupChamber(Int_t iplan, Int_t icham, Int_t *idtmed)
{
//
- // Create the TRD geometry
- //
- // Author: Christoph Blume (C.Blume@gsi.de) 20/07/99
- //
- // The volumes:
- // TRD1-3 (Air) --- The TRD mother volumes for one sector.
- // To be placed into the spaceframe.
- //
- // UAFI(/M/O) (Al) --- The aluminum frame of the inner(/middle/outer) chambers (readout)
- // UCFI(/M/O) (C) --- The carbon frame of the inner(/middle/outer) chambers
- // (driftchamber + radiator)
- // UAII(/M/O) (Air) --- The inner part of the readout of the inner(/middle/outer) chambers
- // UFII(/M/O) (Air) --- The inner part of the chamner and radiator of the
- // inner(/middle/outer) chambers
- //
- // The material layers in one chamber:
- // UL01 (G10) --- The gas seal of the radiator
- // UL02 (CO2) --- The gas in the radiator
- // UL03 (PE) --- The foil stack
- // UL04 (Mylar) --- Entrance window to the driftvolume and HV-cathode
- // UL05 (Xe) --- The driftvolume
- // UL06 (Xe) --- The amplification region
- //
- // UL07 (Cu) --- The pad plane
- // UL08 (G10) --- The Nomex honeycomb support structure
- // UL09 (Cu) --- FEE and signal lines
- // UL10 (PE) --- The cooling devices
- // UL11 (Water) --- The cooling water
+ // Group volumes UA, UD, UF, UU in a single chamber (Air)
+ // UA, UD, UF, UU are boxes
+ // UT will be a box
+ //
const Int_t kNparCha = 3;
- Float_t parDum[3];
- Float_t parCha[kNparCha];
+ Int_t iDet = GetDetectorSec(iplan,icham);
+
+ Float_t xyzMin[3];
+ Float_t xyzMax[3];
+ Float_t xyzOrig[3];
+ Float_t xyzBoxd[3];
+
+ Char_t cTagV[5];
+ Char_t cTagM[5];
+
+ for (Int_t i = 0; i < 3; i++) {
+ xyzMin[i] = +9999.0;
+ xyzMax[i] = -9999.0;
+ }
+
+ for (Int_t i = 0; i < 3; i++) {
- Float_t xpos, ypos, zpos;
-
- // The aluminum frames - readout + electronics (Al)
- // The inner chambers
- gMC->Gsvolu("UAFI","BOX ",idtmed[1301-1],parDum,0);
- // The middle chambers
- gMC->Gsvolu("UAFM","BOX ",idtmed[1301-1],parDum,0);
- // The outer chambers
- gMC->Gsvolu("UAFO","BOX ",idtmed[1301-1],parDum,0);
-
- // The inner part of the aluminum frames (Air)
- // The inner chambers
- gMC->Gsvolu("UAII","BOX ",idtmed[1302-1],parDum,0);
- // The middle chambers
- gMC->Gsvolu("UAIM","BOX ",idtmed[1302-1],parDum,0);
- // The outer chambers
- gMC->Gsvolu("UAIO","BOX ",idtmed[1302-1],parDum,0);
-
- // The carbon frames - radiator + driftchamber (C)
- // The inner chambers
- gMC->Gsvolu("UCFI","BOX ",idtmed[1307-1],parDum,0);
- // The middle chambers
- gMC->Gsvolu("UCFM","BOX ",idtmed[1307-1],parDum,0);
- // The outer chambers
- gMC->Gsvolu("UCFO","BOX ",idtmed[1307-1],parDum,0);
-
- // The inner part of the carbon frames (Air)
- // The inner chambers
- gMC->Gsvolu("UCII","BOX ",idtmed[1302-1],parDum,0);
- // The middle chambers
- gMC->Gsvolu("UCIM","BOX ",idtmed[1302-1],parDum,0);
- // The outer chambers
- gMC->Gsvolu("UCIO","BOX ",idtmed[1302-1],parDum,0);
-
- // The material layers inside the chambers
- parCha[0] = -1.;
- parCha[1] = -1.;
- // G10 layer (radiator seal)
- parCha[2] = fgkSeThick/2;
- gMC->Gsvolu("UL01","BOX ",idtmed[1313-1],parCha,kNparCha);
- // CO2 layer (radiator)
- parCha[2] = fgkRaThick/2;
- gMC->Gsvolu("UL02","BOX ",idtmed[1312-1],parCha,kNparCha);
- // PE layer (radiator)
- parCha[2] = fgkPeThick/2;
- gMC->Gsvolu("UL03","BOX ",idtmed[1303-1],parCha,kNparCha);
- // Mylar layer (entrance window + HV cathode)
- parCha[2] = fgkMyThick/2;
- gMC->Gsvolu("UL04","BOX ",idtmed[1308-1],parCha,kNparCha);
- // Xe/Isobutane layer (drift volume, sensitive)
- parCha[2] = fgkDrThick/2.;
- gMC->Gsvolu("UL05","BOX ",idtmed[1309-1],parCha,kNparCha);
- // Xe/Isobutane layer (amplification volume, not sensitive)
- parCha[2] = fgkAmThick/2.;
- gMC->Gsvolu("UL06","BOX ",idtmed[1309-1],parCha,kNparCha);
+ xyzMin[i] = TMath::Min(xyzMin[i],fChamberUAorig[iDet][i]-fChamberUAboxd[iDet][i]);
+ xyzMax[i] = TMath::Max(xyzMax[i],fChamberUAorig[iDet][i]+fChamberUAboxd[iDet][i]);
+
+ xyzMin[i] = TMath::Min(xyzMin[i],fChamberUDorig[iDet][i]-fChamberUDboxd[iDet][i]);
+ xyzMax[i] = TMath::Max(xyzMax[i],fChamberUDorig[iDet][i]+fChamberUDboxd[iDet][i]);
+
+ xyzMin[i] = TMath::Min(xyzMin[i],fChamberUForig[iDet][i]-fChamberUFboxd[iDet][i]);
+ xyzMax[i] = TMath::Max(xyzMax[i],fChamberUForig[iDet][i]+fChamberUFboxd[iDet][i]);
+
+ xyzMin[i] = TMath::Min(xyzMin[i],fChamberUUorig[iDet][i]-fChamberUUboxd[iDet][i]);
+ xyzMax[i] = TMath::Max(xyzMax[i],fChamberUUorig[iDet][i]+fChamberUUboxd[iDet][i]);
+
+ xyzOrig[i] = 0.5*(xyzMax[i]+xyzMin[i]);
+ xyzBoxd[i] = 0.5*(xyzMax[i]-xyzMin[i]);
+
+ }
+
+ sprintf(cTagM,"UT%02d",iDet);
+ gMC->Gsvolu(cTagM,"BOX ",idtmed[1302-1],xyzBoxd,kNparCha);
+
+ sprintf(cTagV,"UA%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,
+ fChamberUAorig[iDet][0]-xyzOrig[0],
+ fChamberUAorig[iDet][1]-xyzOrig[1],
+ fChamberUAorig[iDet][2]-xyzOrig[2],
+ 0,"ONLY");
+
+ sprintf(cTagV,"UD%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,
+ fChamberUDorig[iDet][0]-xyzOrig[0],
+ fChamberUDorig[iDet][1]-xyzOrig[1],
+ fChamberUDorig[iDet][2]-xyzOrig[2],
+ 0,"ONLY");
+
+ sprintf(cTagV,"UF%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,
+ fChamberUForig[iDet][0]-xyzOrig[0],
+ fChamberUForig[iDet][1]-xyzOrig[1],
+ fChamberUForig[iDet][2]-xyzOrig[2],
+ 0,"ONLY");
- // Cu layer (pad plane)
- parCha[2] = fgkCuThick/2;
- gMC->Gsvolu("UL07","BOX ",idtmed[1305-1],parCha,kNparCha);
- // G10 layer (support structure)
- parCha[2] = fgkSuThick/2;
- gMC->Gsvolu("UL08","BOX ",idtmed[1313-1],parCha,kNparCha);
- // Cu layer (FEE + signal lines)
- parCha[2] = fgkFeThick/2;
- gMC->Gsvolu("UL09","BOX ",idtmed[1305-1],parCha,kNparCha);
- // PE layer (cooling devices)
- parCha[2] = fgkCoThick/2;
- gMC->Gsvolu("UL10","BOX ",idtmed[1303-1],parCha,kNparCha);
- // Water layer (cooling)
- parCha[2] = fgkWaThick/2;
- gMC->Gsvolu("UL11","BOX ",idtmed[1314-1],parCha,kNparCha);
-
- // Position the layers in the chambers
- xpos = 0;
- ypos = 0;
-
- // G10 layer (radiator seal)
- zpos = fgkSeZpos;
- gMC->Gspos("UL01",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL01",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL01",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // CO2 layer (radiator)
- zpos = fgkRaZpos;
- gMC->Gspos("UL02",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL02",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL02",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // PE layer (radiator)
- zpos = 0;
- gMC->Gspos("UL03",1,"UL02",xpos,ypos,zpos,0,"ONLY");
- // Mylar layer (entrance window + HV cathode)
- zpos = fgkMyZpos;
- gMC->Gspos("UL04",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL04",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL04",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // Xe/Isobutane layer (drift volume)
- zpos = fgkDrZpos;
- gMC->Gspos("UL05",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL05",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL05",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // Xe/Isobutane layer (amplification volume)
- zpos = fgkAmZpos;
- gMC->Gspos("UL06",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL06",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL06",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
-
- // Cu layer (pad plane)
- zpos = fgkCuZpos;
- gMC->Gspos("UL07",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL07",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL07",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // G10 layer (support structure)
- zpos = fgkSuZpos;
- gMC->Gspos("UL08",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL08",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL08",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // Cu layer (FEE + signal lines)
- zpos = fgkFeZpos;
- gMC->Gspos("UL09",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL09",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL09",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // PE layer (cooling devices)
- zpos = fgkCoZpos;
- gMC->Gspos("UL10",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL10",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL10",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // Water layer (cooling)
- zpos = fgkWaZpos;
- gMC->Gspos("UL11",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL11",1,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL11",1,"UAIO",xpos,ypos,zpos,0,"ONLY");
+ sprintf(cTagV,"UU%02d",iDet);
+ gMC->Gspos(cTagV,1,cTagM,
+ fChamberUUorig[iDet][0]-xyzOrig[0],
+ fChamberUUorig[iDet][1]-xyzOrig[1],
+ fChamberUUorig[iDet][2]-xyzOrig[2],
+ 0,"ONLY");
+
+ sprintf(cTagV,"UT%02d",iDet);
+ gMC->Gspos(cTagV,1,"UTI1",xyzOrig[0],xyzOrig[1],xyzOrig[2],0,"ONLY");
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global) const
+Bool_t AliTRDgeometry::Local2Global(Int_t idet, Double_t *local
+ , Double_t *global) const
{
//
// Converts local pad-coordinates (row,col,time) into
//_____________________________________________________________________________
Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect
- , Float_t *local, Float_t *global) const
+ , Double_t *local, Double_t *global) const
{
//
// 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
+ AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
+ if (!commonParam) {
+ AliError("Could not get common parameters\n");
+ return kFALSE;
+ }
- Float_t padRow = local[0]; // Pad Row position
- Float_t padCol = local[1]; // Pad Column position
- Float_t timeSlice = local[2]; // Time "position"
+ AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
+ if (!calibration) {
+ AliError("Could not get calibration data\n");
+ return kFALSE;
+ }
+
+ AliTRDpadPlane *padPlane = commonParam->GetPadPlane(iplan,icham);
- Float_t row0 = GetRow0(iplan,icham,isect);
- Float_t col0 = GetCol0(iplan);
+ // 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);
- Float_t rot[3];
+ Int_t idet = GetDetector(iplan, icham, isect);
- // 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];
+ 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);
// Rotate back to original position
return RotateBack(idet,rot,global);
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Rotate(Int_t d, Float_t *pos, Float_t *rot) 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
+ //
+
+ Int_t idet = GetDetector(index[0],index[1],index[2]); // Detector number
+ RotateBack(idet,global,local);
+
+ if (mode == 0) {
+ return kTRUE;
+ }
+
+ return kFALSE;
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliTRDgeometry::Global2Detector(Double_t global[3], Int_t index[3])
+{
+ //
+ // Find detector for given global point - Ideal geometry
+ //
+ //
+ // input = global position
+ // output = index
+ // index[0] = plane number
+ // index[1] = chamber number
+ // index[2] = sector number
+ //
+
+ //
+ // Find sector
+ //
+ Float_t fi = TMath::ATan2(global[1],global[0]);
+ if (fi < 0) {
+ fi += 2.0 * TMath::Pi();
+ }
+ index[2] = fgkNsect - 1 - TMath::Nint((fi - GetAlpha()/2.0) / GetAlpha());
+
+ //
+ // Find plane
+ //
+ 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;
+ }
+ }
+
+ //
+ // Find chamber
+ //
+ if (TMath::Abs(global[2]) < 0.5*GetChamberLength(index[0],2)) {
+ index[1] = 2;
+ }
+ else {
+ Double_t localZ = global[2];
+ if (global[2] > 0.0) {
+ localZ -= 0.5*(GetChamberLength(index[0],2)+GetChamberLength(index[0],1));
+ index[1] = (TMath::Abs(localZ) < 0.5*GetChamberLength(index[0],3)) ? 1 : 0;
+ }
+ else {
+ localZ += 0.5*(GetChamberLength(index[0],2)+GetChamberLength(index[0],3));
+ index[1] = (TMath::Abs(localZ) < 0.5*GetChamberLength(index[0],1)) ? 3 : 4;
+ }
+ }
+
+ return kTRUE;
+
+}
+
+//_____________________________________________________________________________
+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::GetDetector(const Int_t p, const Int_t c, const Int_t s) const
+Int_t AliTRDgeometry::GetDetectorSec(Int_t p, Int_t c)
+{
+ //
+ // Convert plane / chamber into detector number for one single sector
+ //
+
+ return (p + c * fgkNplan);
+
+}
+
+//_____________________________________________________________________________
+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
+ //
+ // Load the geometry from the galice file
//
- GetGlobal(p,pos);
- mat.Zero();
+ if (!runLoader) {
+ runLoader = AliRunLoader::GetRunLoader();
+ }
+ if (!runLoader) {
+ AliErrorGeneral("AliTRDgeometry::GetGeometry","No run loader");
+ return NULL;
+ }
+
+ TDirectory *saveDir = gDirectory;
+ runLoader->CdGAFile();
+
+ // Try from the galice.root file
+ AliTRDgeometry *geom = (AliTRDgeometry *) gDirectory->Get("TRDgeometry");
+
+ if (!geom) {
+ // If it is not in the file, try to get it from the run loader
+ AliTRD *trd = (AliTRD *) runLoader->GetAliRun()->GetDetector("TRD");
+ geom = trd->GetGeometry();
+ }
+ if (!geom) {
+ AliErrorGeneral("AliTRDgeometry::GetGeometry","Geometry not found");
+ return NULL;
+ }
+
+ saveDir->cd();
+ return geom;
}
//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos) const
+Bool_t AliTRDgeometry::ReadGeoMatrices()
{
- //
- // Returns the global coordinate and error matrix of a AliTRDrecPoint
+ //
+ // Read geo matrices from current gGeoManager for each TRD sector
//
- 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]);
+ if (!gGeoManager) {
+ return kFALSE;
}
- else {
- pos.SetX(0.0);
- pos.SetY(0.0);
- pos.SetZ(0.0);
+ fMatrixArray = new TObjArray(kNdet);
+ fMatrixCorrectionArray = new TObjArray(kNdet);
+ fMatrixGeo = new TObjArray(kNdet);
+ AliAlignObjAngles o;
+
+ for (Int_t iLayer = AliAlignObj::kTRD1; iLayer <= AliAlignObj::kTRD6; iLayer++) {
+ for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(iLayer); iModule++) {
+
+ UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
+ const char *symname = AliAlignObj::SymName(volid);
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ const char *path = symname;
+ if(pne) path=pne->GetTitle();
+ if (!gGeoManager->cd(path)) return kFALSE;
+ TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
+ Int_t iLayerTRD = iLayer - AliAlignObj::kTRD1;
+ Int_t isector = Nsect() - 1 - (iModule/Ncham());
+ Int_t ichamber = Ncham() - 1 - (iModule%Ncham());
+ Int_t lid = GetDetector(iLayerTRD,ichamber,isector);
+
+ //
+ // Local geo system z-x-y to x-y--z
+ //
+ fMatrixGeo->AddAt(new TGeoHMatrix(*m),lid);
+
+ TGeoRotation mchange;
+ mchange.RotateY(90);
+ mchange.RotateX(90);
+
+ TGeoHMatrix gMatrix(mchange.Inverse());
+ gMatrix.MultiplyLeft(m);
+ fMatrixArray->AddAt(new TGeoHMatrix(gMatrix),lid);
+
+ //
+ // Cluster transformation matrix
+ //
+ TGeoHMatrix rotMatrix(mchange.Inverse());
+ rotMatrix.MultiplyLeft(m);
+ Double_t sectorAngle = 20.0 * (isector % 18) + 10.0;
+ TGeoHMatrix rotSector;
+ rotSector.RotateZ(sectorAngle);
+ rotMatrix.MultiplyLeft(&rotSector);
+
+ fMatrixCorrectionArray->AddAt(new TGeoHMatrix(rotMatrix),lid);
+
+ }
}
+ return kTRUE;
+
}
+