//
// 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;
+ 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
//
// Parameter of the BTRD 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::fgkSlength = 751.0;
+ 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::fgkSlength = 751.0;
// The super module side plates
- const Float_t AliTRDgeometry::fgkSMpltT = 0.2;
+ const Float_t AliTRDgeometry::fgkSMpltT = 0.2;
// Height of different chamber parts
// Radiator
- const Float_t AliTRDgeometry::fgkCraH = 4.8;
+ const Float_t AliTRDgeometry::fgkCraH = 4.8;
// Drift region
- const Float_t AliTRDgeometry::fgkCdrH = 3.0;
+ const Float_t AliTRDgeometry::fgkCdrH = 3.0;
// Amplification region
- const Float_t AliTRDgeometry::fgkCamH = 0.7;
+ const Float_t AliTRDgeometry::fgkCamH = 0.7;
// Readout
- const Float_t AliTRDgeometry::fgkCroH = 2.316;
+ const Float_t AliTRDgeometry::fgkCroH = 2.316;
// Total height
- const Float_t AliTRDgeometry::fgkCH = AliTRDgeometry::fgkCraH
- + AliTRDgeometry::fgkCdrH
- + AliTRDgeometry::fgkCamH
- + AliTRDgeometry::fgkCroH;
+ 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;
+ const Float_t AliTRDgeometry::fgkVspace = 1.784;
// Horizontal spacing of the chambers
- const Float_t AliTRDgeometry::fgkHspace = 2.0;
+ 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;
+ const Float_t AliTRDgeometry::fgkVrocsm = 1.2;
// Thicknesses of different parts of the chamber frame
// Lower aluminum frame
- const Float_t AliTRDgeometry::fgkCalT = 0.4;
+ const Float_t AliTRDgeometry::fgkCalT = 0.4;
// Lower Wacosit frame sides
- const Float_t AliTRDgeometry::fgkCclsT = 0.21;
+ const Float_t AliTRDgeometry::fgkCclsT = 0.21;
// Lower Wacosit frame front
- const Float_t AliTRDgeometry::fgkCclfT = 1.0;
+ const Float_t AliTRDgeometry::fgkCclfT = 1.0;
// Thickness of glue around radiator
- const Float_t AliTRDgeometry::fgkCglT = 0.25;
+ const Float_t AliTRDgeometry::fgkCglT = 0.25;
// Upper Wacosit frame
- const Float_t AliTRDgeometry::fgkCcuT = 0.9;
+ const Float_t AliTRDgeometry::fgkCcuT = 0.9;
// Al frame of back panel
- const Float_t AliTRDgeometry::fgkCauT = 1.5;
+ const Float_t AliTRDgeometry::fgkCauT = 1.5;
// Additional Al of the lower chamber frame
- const Float_t AliTRDgeometry::fgkCalW = 1.11;
+ const Float_t AliTRDgeometry::fgkCalW = 1.11;
// Additional width of the readout chamber frames
- const Float_t AliTRDgeometry::fgkCroW = 0.9;
+ const Float_t AliTRDgeometry::fgkCroW = 0.9;
// Difference of outer chamber width and pad plane width
- const Float_t AliTRDgeometry::fgkCpadW = 0.0;
- const Float_t AliTRDgeometry::fgkRpadW = 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::fgkMyThick = 0.005;
- const Float_t AliTRDgeometry::fgkRaThick = 0.3233;
- 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::fgkWrThick = 0.0002;
- const Float_t AliTRDgeometry::fgkCuThick = 0.0072;
- const Float_t AliTRDgeometry::fgkGlThick = 0.05;
- const Float_t AliTRDgeometry::fgkSuThick = 0.0919;
- const Float_t AliTRDgeometry::fgkRcThick = 0.0058;
- const Float_t AliTRDgeometry::fgkRpThick = 0.0632;
- const Float_t AliTRDgeometry::fgkRoThick = 0.0028;
+ const Float_t AliTRDgeometry::fgkMyThick = 0.005;
+ const Float_t AliTRDgeometry::fgkRaThick = 0.3233;
+ 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::fgkWrThick = 0.0002;
+ const Float_t AliTRDgeometry::fgkCuThick = 0.0072;
+ const Float_t AliTRDgeometry::fgkGlThick = 0.05;
+ const Float_t AliTRDgeometry::fgkSuThick = 0.0919;
+ const Float_t AliTRDgeometry::fgkRcThick = 0.0058;
+ const Float_t AliTRDgeometry::fgkRpThick = 0.0632;
+ const Float_t AliTRDgeometry::fgkRoThick = 0.0028;
//
// Position of the material layers
//
- //const Float_t AliTRDgeometry::fgkRaZpos = -1.50;
- const Float_t AliTRDgeometry::fgkRaZpos = 0.0;
- const Float_t AliTRDgeometry::fgkDrZpos = 2.4;
- const Float_t AliTRDgeometry::fgkAmZpos = 0.0;
- const Float_t AliTRDgeometry::fgkWrZpos = 0.0;
- const Float_t AliTRDgeometry::fgkCuZpos = -0.9995;
- const Float_t AliTRDgeometry::fgkGlZpos = -0.5;
- const Float_t AliTRDgeometry::fgkSuZpos = 0.0;
- const Float_t AliTRDgeometry::fgkRcZpos = 1.04;
- const Float_t AliTRDgeometry::fgkRpZpos = 1.0;
- const Float_t AliTRDgeometry::fgkRoZpos = 1.05;
+ const Float_t AliTRDgeometry::fgkRaZpos = 0.0;
+ const Float_t AliTRDgeometry::fgkDrZpos = 2.4;
+ const Float_t AliTRDgeometry::fgkAmZpos = 0.0;
+ const Float_t AliTRDgeometry::fgkWrZpos = 0.0;
+ const Float_t AliTRDgeometry::fgkCuZpos = -0.9995;
+ const Float_t AliTRDgeometry::fgkGlZpos = -0.5;
+ const Float_t AliTRDgeometry::fgkSuZpos = 0.0;
+ const Float_t AliTRDgeometry::fgkRcZpos = 1.04;
+ const Float_t AliTRDgeometry::fgkRpZpos = 1.0;
+ const Float_t AliTRDgeometry::fgkRoZpos = 1.05;
+
+ const Int_t AliTRDgeometry::fgkMCMmax = 16;
+ const Int_t AliTRDgeometry::fgkMCMrow = 4;
+ const Int_t AliTRDgeometry::fgkROBmaxC0 = 6;
+ const Int_t AliTRDgeometry::fgkROBmaxC1 = 8;
+ const Int_t AliTRDgeometry::fgkADCmax = 21;
+ const Int_t AliTRDgeometry::fgkTBmax = 60;
+ const Int_t AliTRDgeometry::fgkPadmax = 18;
+ const Int_t AliTRDgeometry::fgkColmax = 144;
+ const Int_t AliTRDgeometry::fgkRowmaxC0 = 12;
+ const Int_t AliTRDgeometry::fgkRowmaxC1 = 16;
const Double_t AliTRDgeometry::fgkTime0Base = 300.65;
- 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()) };
+ 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()
// The rotation matrix elements
Float_t phi = 0.0;
for (isect = 0; isect < fgkNsect; isect++) {
- phi = -2.0 * TMath::Pi() / (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);
}
-//_____________________________________________________________________________
-Bool_t AliTRDgeometry::Local2Global(Int_t idet, 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 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
- , Double_t *local, Double_t *global) const
-{
- //
- // Converts local pad-coordinates (row,col,time) into
- // global ALICE reference frame coordinates (x,y,z)
- //
-
- AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance();
- if (!commonParam) {
- AliError("Could not get common parameters\n");
- return kFALSE;
- }
-
- AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
- if (!calibration) {
- AliError("Could not get calibration data\n");
- return kFALSE;
- }
-
- AliTRDpadPlane *padPlane = commonParam->GetPadPlane(iplan,icham);
-
- // 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 = fgkTime0[iplan];
-
- 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);
-
- // Rotate back to original position
- return RotateBack(idet,rot,global);
-
-}
-
-//_____________________________________________________________________________
-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 - fgkTime0[0];
- for (Int_t iplane = 1; iplane < fgkNplan; iplane++) {
- Float_t dist = TMath::Abs(locx - fgkTime0[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
{
}
+//CL
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetPadRow(Int_t irob, Int_t imcm) const
+{
+
+ // return on which row this mcm sits
+
+ return fgkMCMrow*(irob/2) + imcm/fgkMCMrow;
+
+;
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetPadCol(Int_t irob, Int_t imcm, Int_t iadc) const
+{
+ //
+ // return which pad is connected to this adc channel. return -1 if it
+ // is one of the not directly connected adc channels (0, 1 20)
+ //
+
+ if (iadc < 2 || iadc > 19 ) return -1;
+
+ return (iadc-2) + (imcm%fgkMCMrow)*fgkPadmax + GetRobSide(irob)*fgkColmax/2;
+
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetMCM(Int_t irow, Int_t icol) const
+{
+
+ // return on which mcm this pad is
+
+ if ( irow < 0 || icol < 0 || irow > fgkRowmaxC1 || icol > fgkColmax ) return -1;
+
+ return (icol%(fgkColmax/2))/fgkPadmax + fgkMCMrow*(irow%fgkMCMrow);
+
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetROB(Int_t irow, Int_t icol) const
+{
+
+ // return on which rob this pad is
+
+ return (irow/fgkMCMrow)*2 + GetColSide(icol);
+
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetRobSide(Int_t irob) const
+{
+
+ // return on which side this rob sits (A side = 0, B side = 1)
+
+ if ( irob < 0 || irob >= fgkROBmaxC1 ) return -1;
+
+ return irob%2;
+
+}
+
+//_____________________________________________________________________________
+Int_t AliTRDgeometry::GetColSide(Int_t icol) const
+{
+
+ // return on which side this column sits (A side = 0, B side = 1)
+
+ if ( icol < 0 || icol >= fgkColmax ) return -1;
+
+ return icol/(fgkColmax/2);
+
+}
+
//_____________________________________________________________________________
AliTRDgeometry *AliTRDgeometry::GetGeometry(AliRunLoader *runLoader)
{
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