- add index to array of simulated tracklets during GTU simulation (Uwe)

[u/mrichter/AliRoot.git] / TRD / AliTRDltuParam.cxx

diff --git a/TRD/AliTRDltuParam.cxx b/TRD/AliTRDltuParam.cxx
index ddc2bab7707d669bed68e9bcc8e756a680e339d0..80096c5548eab112df9473636ee0bc7fa48449a5 100644 (file)
--- a/TRD/AliTRDltuParam.cxx
+++ b/TRD/AliTRDltuParam.cxx
@@ -28,7 +28,7 @@ Float_t AliTRDltuParam::fgLengthOuterPadC1[6] =
 Float_t AliTRDltuParam::fgLengthInnerPadC0 = 9.0;
 Float_t AliTRDltuParam::fgLengthOuterPadC0 = 8.0;
 Float_t AliTRDltuParam::fgScalePad = 256. * 32.;
-Float_t AliTRDltuParam::fgDriftLength = 3.e-2;
+Float_t AliTRDltuParam::fgDriftLength = 3.;
 
 AliTRDltuParam::AliTRDltuParam() :
   TObject(),
@@ -36,8 +36,8 @@ AliTRDltuParam::AliTRDltuParam() :
   fOmegaTau(0.),
   fPtMin(0.1),
   fNtimebins(20 << 5),
-  fScaleQ0(1),
-  fScaleQ1(1),
+  fScaleQ0(0),
+  fScaleQ1(0),
   fPidTracklengthCorr(kFALSE),
   fTiltCorr(kFALSE)
 {
@@ -56,7 +56,7 @@ Int_t AliTRDltuParam::GetDyCorrection(Int_t det, Int_t rob, Int_t mcm) const
 
   Int_t layer = det % 6;
 
-  Float_t dyTilt = ( fgDriftLength * TMath::Tan(fgTiltingAngle[layer]) *
+  Float_t dyTilt = ( fgDriftLength * TMath::Tan(fgTiltingAngle[layer] * TMath::Pi()/180.) *
                     GetLocalZ(det, rob, mcm) / fgX[layer] );
 
   // calculate Lorentz correction
@@ -76,7 +76,7 @@ void AliTRDltuParam::GetDyRange(Int_t det, Int_t rob, Int_t mcm, Int_t ch,
   dyMinInt = fgDyMin;
   dyMaxInt = fgDyMax;
 
-  if (fMagField < 0.1)
+  if (TMath::Abs(fMagField) < 0.1)
     return;
 
   Float_t e = 0.30;
@@ -149,7 +149,7 @@ Float_t AliTRDltuParam::GetLocalY(Int_t det, Int_t rob, Int_t mcm, Int_t ch) con
 {
   Int_t layer = det%6;
   // calculate the pad position as in the TRAP
-  Float_t ypos = (-4 + (rob&0x1) * 4 + (mcm&0x3)) * 18 - ch - 0.5; // y position in bins of pad widths
+  Float_t ypos = (-4 + 1 + (rob&0x1) * 4 + (mcm&0x3)) * 18 - ch - 0.5; // y position in bins of pad widths
   return ypos*fgWidthPad[layer];
 }