/*
$Log$
+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
// //
///////////////////////////////////////////////////////////////////////////////
+#include "AliMC.h"
+
#include "AliTRDgeometry.h"
#include "AliTRDrecPoint.h"
+#include "AliMC.h"
ClassImp(AliTRDgeometry)
+//_____________________________________________________________________________
+
+ //
+ // The geometry constants
+ //
+ const Int_t AliTRDgeometry::fgkNsect = kNsect;
+ const Int_t AliTRDgeometry::fgkNplan = kNplan;
+ const Int_t AliTRDgeometry::fgkNcham = kNcham;
+ const Int_t AliTRDgeometry::fgkNdet = kNdet;
+
+ //
+ // Dimensions of the detector
+ //
+ const Float_t AliTRDgeometry::fgkRmin = 294.0;
+ const Float_t AliTRDgeometry::fgkRmax = 368.0;
+
+ 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;
+ 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;
+
+ //
+ // Thickness of the the material layers
+ //
+ const Float_t AliTRDgeometry::fgkSeThick = 0.02;
+ const Float_t AliTRDgeometry::fgkRaThick = 4.8;
+ const Float_t AliTRDgeometry::fgkPeThick = 0.20;
+ 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::fgkSuThick = 0.06;
+ const Float_t AliTRDgeometry::fgkFeThick = 0.0044;
+ const Float_t AliTRDgeometry::fgkCoThick = 0.02;
+ const Float_t AliTRDgeometry::fgkWaThick = 0.01;
+
+ //
+ // Position of the material layers
+ //
+ const Float_t AliTRDgeometry::fgkSeZpos = -4.1525;
+ const Float_t AliTRDgeometry::fgkRaZpos = -1.7425;
+ const Float_t AliTRDgeometry::fgkPeZpos = 0.0000;
+ const Float_t AliTRDgeometry::fgkMyZpos = 0.6600;
+ const Float_t AliTRDgeometry::fgkDrZpos = 2.1625;
+ const Float_t AliTRDgeometry::fgkAmZpos = 4.1125;
+ const Float_t AliTRDgeometry::fgkCuZpos = -1.3370;
+ 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;
+
//_____________________________________________________________________________
AliTRDgeometry::AliTRDgeometry():AliGeometry()
{
//_____________________________________________________________________________
AliTRDgeometry::~AliTRDgeometry()
{
+ //
+ // AliTRDgeometry destructor
+ //
}
// Initializes the geometry parameter
//
- 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 default pad dimensions
- fRowPadSize = 4.5;
- fColPadSize = 1.0;
- fTimeBinSize = 0.1;
+ 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 | |
- // +----------------------------+ +------>
+ // | | ^
+ // | | rphi|
+ // | | |
+ // |0 | |
+ // +----------------------------+ +------>
// z
- // chambers seen from the side: ^
- // +----------------------------+ time|
- // | | |
- // |0 | |
- // +----------------------------+ +------>
+ // chambers seen from the side: ^
+ // +----------------------------+ drift|
+ // |0 | |
+ // | | |
+ // +----------------------------+ +------>
// z
//
+ // IMPORTANT: time bin 0 is now the one closest to the readout !!!
+ //
// The pad column (rphi-direction)
- for (iplan = 0; iplan < kNplan; iplan++) {
- fColMax[iplan] = 1 + TMath::Nint((fCwidth[iplan] - 2. * kCcthick)
+ SetColPadSize(1.0);
+
+ // The time bucket
+ SetTimeBinSize(0.1);
+
+ // 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);
+ fRotA11[isect] = TMath::Cos(phi);
+ fRotA12[isect] = TMath::Sin(phi);
+ fRotA21[isect] = TMath::Sin(phi);
+ fRotA22[isect] = TMath::Cos(phi);
+ phi = -1.0 * phi;
+ fRotB11[isect] = TMath::Cos(phi);
+ fRotB12[isect] = TMath::Sin(phi);
+ fRotB21[isect] = TMath::Sin(phi);
+ fRotB22[isect] = TMath::Cos(phi);
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometry::SetColPadSize(Float_t size)
+{
+ //
+ // Redefines the pad size in column direction
+ //
+
+ fColPadSize = size;
+ for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
+ fColMax[iplan] = 1 + TMath::Nint((fCwidth[iplan] - 2. * fgkCcthick)
/ fColPadSize - 0.5);
- fCol0[iplan] = -fCwidth[iplan]/2. + kCcthick;
+ fCol0[iplan] = -fCwidth[iplan]/2. + fgkCcthick;
}
- // The time bucket
- fTimeMax = 1 + TMath::Nint(kDrThick / fTimeBinSize - 0.5);
- for (iplan = 0; iplan < kNplan; iplan++) {
- fTime0[iplan] = kRmin + kCcframe/2. + kDrZpos - 0.5 * kDrThick
- + iplan * (kCheight + kCspace);
- }
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometry::SetTimeBinSize(Float_t size)
+{
+ //
+ // Redefines the time bin size
+ //
+
+ fTimeBinSize = size;
+ fTimeMax = 1 + TMath::Nint(fgkDrThick / fTimeBinSize - 0.5);
+ for (Int_t iplan = 0; iplan < fgkNplan; iplan++) {
+ fTime0[iplan] = fgkRmin + fgkCcframe/2. + fgkDrZpos + 0.5 * fgkDrThick
+ + iplan * (fgkCheight + fgkCspace);
+ }
}
// UL10 (PE) --- The cooling devices
// UL11 (Water) --- The cooling water
- const Int_t npar_cha = 3;
+ const Int_t kNparCha = 3;
- Float_t par_dum[3];
- Float_t par_cha[npar_cha];
+ Float_t parDum[3];
+ Float_t parCha[kNparCha];
Float_t xpos, ypos, zpos;
// The aluminum frames - readout + electronics (Al)
// The inner chambers
- gMC->Gsvolu("UAFI","BOX ",idtmed[1301-1],par_dum,0);
+ gMC->Gsvolu("UAFI","BOX ",idtmed[1301-1],parDum,0);
// The middle chambers
- gMC->Gsvolu("UAFM","BOX ",idtmed[1301-1],par_dum,0);
+ gMC->Gsvolu("UAFM","BOX ",idtmed[1301-1],parDum,0);
// The outer chambers
- gMC->Gsvolu("UAFO","BOX ",idtmed[1301-1],par_dum,0);
+ 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],par_dum,0);
+ gMC->Gsvolu("UAII","BOX ",idtmed[1302-1],parDum,0);
// The middle chambers
- gMC->Gsvolu("UAIM","BOX ",idtmed[1302-1],par_dum,0);
+ gMC->Gsvolu("UAIM","BOX ",idtmed[1302-1],parDum,0);
// The outer chambers
- gMC->Gsvolu("UAIO","BOX ",idtmed[1302-1],par_dum,0);
+ 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],par_dum,0);
+ gMC->Gsvolu("UCFI","BOX ",idtmed[1307-1],parDum,0);
// The middle chambers
- gMC->Gsvolu("UCFM","BOX ",idtmed[1307-1],par_dum,0);
+ gMC->Gsvolu("UCFM","BOX ",idtmed[1307-1],parDum,0);
// The outer chambers
- gMC->Gsvolu("UCFO","BOX ",idtmed[1307-1],par_dum,0);
+ 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],par_dum,0);
+ gMC->Gsvolu("UCII","BOX ",idtmed[1302-1],parDum,0);
// The middle chambers
- gMC->Gsvolu("UCIM","BOX ",idtmed[1302-1],par_dum,0);
+ gMC->Gsvolu("UCIM","BOX ",idtmed[1302-1],parDum,0);
// The outer chambers
- gMC->Gsvolu("UCIO","BOX ",idtmed[1302-1],par_dum,0);
+ gMC->Gsvolu("UCIO","BOX ",idtmed[1302-1],parDum,0);
// The material layers inside the chambers
- par_cha[0] = -1.;
- par_cha[1] = -1.;
+ parCha[0] = -1.;
+ parCha[1] = -1.;
// G10 layer (radiator seal)
- par_cha[2] = kSeThick/2;
- gMC->Gsvolu("UL01","BOX ",idtmed[1313-1],par_cha,npar_cha);
+ parCha[2] = fgkSeThick/2;
+ gMC->Gsvolu("UL01","BOX ",idtmed[1313-1],parCha,kNparCha);
// CO2 layer (radiator)
- par_cha[2] = kRaThick/2;
- gMC->Gsvolu("UL02","BOX ",idtmed[1312-1],par_cha,npar_cha);
+ parCha[2] = fgkRaThick/2;
+ gMC->Gsvolu("UL02","BOX ",idtmed[1312-1],parCha,kNparCha);
// PE layer (radiator)
- par_cha[2] = kPeThick/2;
- gMC->Gsvolu("UL03","BOX ",idtmed[1303-1],par_cha,npar_cha);
+ parCha[2] = fgkPeThick/2;
+ gMC->Gsvolu("UL03","BOX ",idtmed[1303-1],parCha,kNparCha);
// Mylar layer (entrance window + HV cathode)
- par_cha[2] = kMyThick/2;
- gMC->Gsvolu("UL04","BOX ",idtmed[1308-1],par_cha,npar_cha);
+ parCha[2] = fgkMyThick/2;
+ gMC->Gsvolu("UL04","BOX ",idtmed[1308-1],parCha,kNparCha);
// Xe/Isobutane layer (drift volume, sensitive)
- par_cha[2] = kDrThick/2.;
- gMC->Gsvolu("UL05","BOX ",idtmed[1309-1],par_cha,npar_cha);
+ parCha[2] = fgkDrThick/2.;
+ gMC->Gsvolu("UL05","BOX ",idtmed[1309-1],parCha,kNparCha);
// Xe/Isobutane layer (amplification volume, not sensitive)
- par_cha[2] = kAmThick/2.;
- gMC->Gsvolu("UL06","BOX ",idtmed[1309-1],par_cha,npar_cha);
+ parCha[2] = fgkAmThick/2.;
+ gMC->Gsvolu("UL06","BOX ",idtmed[1309-1],parCha,kNparCha);
// Cu layer (pad plane)
- par_cha[2] = kCuThick/2;
- gMC->Gsvolu("UL07","BOX ",idtmed[1305-1],par_cha,npar_cha);
+ parCha[2] = fgkCuThick/2;
+ gMC->Gsvolu("UL07","BOX ",idtmed[1305-1],parCha,kNparCha);
// G10 layer (support structure)
- par_cha[2] = kSuThick/2;
- gMC->Gsvolu("UL08","BOX ",idtmed[1313-1],par_cha,npar_cha);
+ parCha[2] = fgkSuThick/2;
+ gMC->Gsvolu("UL08","BOX ",idtmed[1313-1],parCha,kNparCha);
// Cu layer (FEE + signal lines)
- par_cha[2] = kFeThick/2;
- gMC->Gsvolu("UL09","BOX ",idtmed[1305-1],par_cha,npar_cha);
+ parCha[2] = fgkFeThick/2;
+ gMC->Gsvolu("UL09","BOX ",idtmed[1305-1],parCha,kNparCha);
// PE layer (cooling devices)
- par_cha[2] = kCoThick/2;
- gMC->Gsvolu("UL10","BOX ",idtmed[1303-1],par_cha,npar_cha);
+ parCha[2] = fgkCoThick/2;
+ gMC->Gsvolu("UL10","BOX ",idtmed[1303-1],parCha,kNparCha);
// Water layer (cooling)
- par_cha[2] = kWaThick/2;
- gMC->Gsvolu("UL11","BOX ",idtmed[1314-1],par_cha,npar_cha);
+ 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 = kSeZpos;
+ 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 = kRaZpos;
+ 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");
zpos = 0;
gMC->Gspos("UL03",1,"UL02",xpos,ypos,zpos,0,"ONLY");
// Mylar layer (entrance window + HV cathode)
- zpos = kMyZpos;
+ 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 = kDrZpos;
+ 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 = kAmZpos;
+ 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 = kCuZpos;
+ 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 = kSuZpos;
+ 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 = kFeZpos;
+ 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 = kCoZpos;
+ 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 = kWaZpos;
+ 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");
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global)
+Bool_t AliTRDgeometry::Local2Global(Int_t idet, Float_t *local, Float_t *global) const
{
//
// Converts local pad-coordinates (row,col,time) into
// global ALICE reference frame coordinates (x,y,z)
//
- 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 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)
return Local2Global(iplan,icham,isect,local,global);
//_____________________________________________________________________________
Bool_t AliTRDgeometry::Local2Global(Int_t iplan, Int_t icham, Int_t isect
- , Float_t *local, Float_t *global)
+ , Float_t *local, Float_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
+ Int_t idet = GetDetector(iplan,icham,isect); // Detector number
- Float_t padRow = local[0]; // Pad Row position
- Float_t padCol = local[1]; // Pad Column position
- Float_t timeSlice = local[2]; // Time "position"
+ Float_t padRow = local[0]; // Pad Row position
+ Float_t padCol = local[1]; // Pad Column position
+ Float_t timeSlice = local[2]; // Time "position"
- Float_t row0 = GetRow0(iplan,icham,isect);
- Float_t col0 = GetCol0(iplan);
- Float_t time0 = GetTime0(iplan);
+ Float_t row0 = GetRow0(iplan,icham,isect);
+ Float_t col0 = GetCol0(iplan);
+ Float_t time0 = GetTime0(iplan);
- Float_t rot[3];
+ Float_t rot[3];
// calculate (x,y,z) position in rotated chamber
rot[0] = time0 + timeSlice * fTimeBinSize;
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Rotate(Int_t d, Float_t *pos, Float_t *rot)
+Bool_t AliTRDgeometry::Rotate(Int_t d, Float_t *pos, Float_t *rot) const
{
//
// Rotates all chambers in the position of sector 0 and transforms
// corresponding local frame <rot>.
//
- Int_t sector = GetSector(d);
-
- Float_t phi = -2.0 * kPI / (Float_t) kNsect * ((Float_t) sector + 0.5);
+ Int_t sector = GetSector(d);
- rot[0] = pos[0] * TMath::Cos(phi) + pos[1] * TMath::Sin(phi);
- rot[1] = -pos[0] * TMath::Sin(phi) + pos[1] * TMath::Cos(phi);
+ rot[0] = pos[0] * fRotA11[sector] + pos[1] * fRotA12[sector];
+ rot[1] = -pos[0] * fRotA21[sector] + pos[1] * fRotA22[sector];
rot[2] = pos[2];
return kTRUE;
}
//_____________________________________________________________________________
-Bool_t AliTRDgeometry::RotateBack(Int_t d, Float_t *rot, Float_t *pos)
+Bool_t AliTRDgeometry::RotateBack(Int_t d, Float_t *rot, Float_t *pos) const
{
//
// Rotates a chambers from the position of sector 0 into its
// coordinates <rot> into the coordinates of the ALICE restframe <pos>.
//
- Int_t sector = GetSector(d);
-
- Float_t phi = 2.0 * kPI / (Float_t) kNsect * ((Float_t) sector + 0.5);
+ Int_t sector = GetSector(d);
- pos[0] = rot[0] * TMath::Cos(phi) + rot[1] * TMath::Sin(phi);
- pos[1] = -rot[0] * TMath::Sin(phi) + rot[1] * TMath::Cos(phi);
+ pos[0] = rot[0] * fRotB11[sector] + rot[1] * fRotB12[sector];
+ pos[1] = -rot[0] * fRotB21[sector] + rot[1] * fRotB22[sector];
pos[2] = rot[2];
return kTRUE;
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetDetector(Int_t p, Int_t c, Int_t s)
+Int_t AliTRDgeometry::GetDetector(Int_t p, Int_t c, Int_t s) const
{
//
// Convert plane / chamber / sector into detector number
//
- return (p + c * kNplan + s * kNplan * kNcham);
+ return (p + c * fgkNplan + s * fgkNplan * fgkNcham);
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetPlane(Int_t d)
+Int_t AliTRDgeometry::GetPlane(Int_t d) const
{
//
// Reconstruct the plane number from the detector number
//
- return ((Int_t) (d % kNplan));
+ return ((Int_t) (d % fgkNplan));
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetChamber(Int_t d)
+Int_t AliTRDgeometry::GetChamber(Int_t d) const
{
//
// Reconstruct the chamber number from the detector number
//
- return ((Int_t) (d % (kNplan * kNcham)) / kNplan);
+ return ((Int_t) (d % (fgkNplan * fgkNcham)) / fgkNplan);
}
//_____________________________________________________________________________
-Int_t AliTRDgeometry::GetSector(Int_t d)
+Int_t AliTRDgeometry::GetSector(Int_t d) const
{
//
// Reconstruct the sector number from the detector number
//
- return ((Int_t) (d / (kNplan * kNcham)));
+ return ((Int_t) (d / (fgkNplan * fgkNcham)));
}
//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos, TMatrix &mat)
+void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos
+ , TMatrix &mat) const
{
//
// Returns the global coordinate and error matrix of a AliTRDrecPoint
}
//_____________________________________________________________________________
-void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos)
+void AliTRDgeometry::GetGlobal(const AliRecPoint *p, TVector3 &pos) const
{
//
// Returns the global coordinate and error matrix of a AliTRDrecPoint
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff