]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TRD/AliTRDSimParam.cxx
Add a protection againts runs with missing DCS information in the OCDB
[u/mrichter/AliRoot.git] / TRD / AliTRDSimParam.cxx
index 2b30b366324b39bb058f0d947e5a59186d4d0309..f19617bdac8105a4062769aa5ced5a4196d2fca1 100644 (file)
@@ -29,6 +29,8 @@
 #include "AliRun.h"
 
 #include "AliTRDSimParam.h"
+#include "AliTRDCommonParam.h"
+#include "AliLog.h"
 
 ClassImp(AliTRDSimParam)
 
@@ -82,7 +84,6 @@ AliTRDSimParam::AliTRDSimParam()
   ,fChipGain(0.0)
   ,fADCoutRange(0.0)
   ,fADCinRange(0.0)
-  ,fADCthreshold(0)
   ,fADCbaseline(0)
   ,fDiffusionOn(kFALSE)
   ,fElAttachOn(kFALSE)
@@ -95,11 +96,12 @@ AliTRDSimParam::AliTRDSimParam()
   ,fTRFwid(0.0)
   ,fCTOn(kFALSE)
   ,fCTsmp(0)
-  ,fAnodeWireOffset(0.0)
   ,fPadCoupling(0.0)
   ,fTimeCoupling(0.0)
   ,fTimeStructOn(kFALSE)
   ,fPRFOn(kFALSE)
+  ,fNTimeBins(0)
+  ,fNTBoverwriteOCDB(kFALSE)
 {
   //
   // Default constructor
@@ -122,10 +124,7 @@ void AliTRDSimParam::Init()
   fNoise             = 1250.0;
   fADCoutRange       = 1023.0;          // 10-bit ADC
   fADCinRange        = 2000.0;          // 2V input range
-  fADCthreshold      =    3;
-  // Go back to 0 again, just to be consistent with reconstruction
-  fADCbaseline       =    0;
-  //fADCbaseline       =   10;
+  fADCbaseline       =   10;
 
   // Diffusion on
   fDiffusionOn       = kTRUE;
@@ -148,15 +147,16 @@ void AliTRDSimParam::Init()
   // The time coupling factor (same number as for the TPC)
   fTimeCoupling      = 0.4;
 
-  // Distance of first Anode wire from first pad edge
-  fAnodeWireOffset   = 0.25;
-
   // Use drift time maps
   fTimeStructOn      = kTRUE;
   
   // The pad response function
   fPRFOn             = kTRUE;
 
+  // The number of time bins
+  fNTimeBins         = 24;
+  fNTBoverwriteOCDB  = kFALSE;
+
   ReInit();
 
 }
@@ -188,7 +188,6 @@ AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p)
   ,fChipGain(p.fChipGain)
   ,fADCoutRange(p.fADCoutRange)
   ,fADCinRange(p.fADCinRange)
-  ,fADCthreshold(p.fADCthreshold)
   ,fADCbaseline(p.fADCbaseline)
   ,fDiffusionOn(p.fDiffusionOn)
   ,fElAttachOn(p.fElAttachOn)
@@ -201,11 +200,12 @@ AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p)
   ,fTRFwid(p.fTRFwid)
   ,fCTOn(p.fCTOn)
   ,fCTsmp(0)
-  ,fAnodeWireOffset(p.fAnodeWireOffset)
   ,fPadCoupling(p.fPadCoupling)
   ,fTimeCoupling(p.fTimeCoupling)
   ,fTimeStructOn(p.fTimeStructOn)
   ,fPRFOn(p.fPRFOn)
+  ,fNTimeBins(p.fNTimeBins)
+  ,fNTBoverwriteOCDB(p.fNTBoverwriteOCDB)
 {
   //
   // Copy constructor
@@ -213,20 +213,14 @@ AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p)
 
   Int_t iBin = 0;
 
-  if (((AliTRDSimParam &) p).fTRFsmp) {
-    delete [] ((AliTRDSimParam &) p).fTRFsmp;
-  }
-  ((AliTRDSimParam &) p).fTRFsmp = new Float_t[fTRFbin];
+  fTRFsmp = new Float_t[fTRFbin];
   for (iBin = 0; iBin < fTRFbin; iBin++) {
-    ((AliTRDSimParam &) p).fTRFsmp[iBin] = fTRFsmp[iBin];
+    fTRFsmp[iBin] = ((AliTRDSimParam &) p).fTRFsmp[iBin];
   }                                                                             
 
-  if (((AliTRDSimParam &) p).fCTsmp) {
-    delete [] ((AliTRDSimParam &) p).fCTsmp;
-  }
-  ((AliTRDSimParam &) p).fCTsmp  = new Float_t[fTRFbin];
+  fCTsmp  = new Float_t[fTRFbin];
   for (iBin = 0; iBin < fTRFbin; iBin++) {
-    ((AliTRDSimParam &) p).fCTsmp[iBin] = fCTsmp[iBin];
+    fCTsmp[iBin]  = ((AliTRDSimParam &) p).fCTsmp[iBin];
   }                                                                             
 
 }
@@ -238,9 +232,53 @@ AliTRDSimParam &AliTRDSimParam::operator=(const AliTRDSimParam &p)
   // Assignment operator
   //
 
-  if (this != &p) {
-    ((AliTRDSimParam &) p).Copy(*this);
+  if (this == &p) {
+    return *this;
+  }
+
+  Init();
+
+  fGasGain          = p.fGasGain;
+  fNoise            = p.fNoise;
+  fChipGain         = p.fChipGain;
+  fADCoutRange      = p.fADCoutRange;
+  fADCinRange       = p.fADCinRange;
+  fADCbaseline      = p.fADCbaseline;
+  fDiffusionOn      = p.fDiffusionOn;
+  fElAttachOn       = p.fElAttachOn;
+  fElAttachProp     = p.fElAttachProp;
+  fTRFOn            = p.fTRFOn;
+  fTRFsmp           = 0;
+  fTRFbin           = p.fTRFbin;
+  fTRFlo            = p.fTRFlo;
+  fTRFhi            = p.fTRFhi;
+  fTRFwid           = p.fTRFwid;
+  fCTOn             = p.fCTOn;
+  fCTsmp            = 0;
+  fPadCoupling      = p.fPadCoupling;
+  fTimeCoupling     = p.fTimeCoupling;
+  fTimeStructOn     = p.fTimeStructOn;
+  fPRFOn            = p.fPRFOn;
+  fNTimeBins        = p.fNTimeBins;
+  fNTBoverwriteOCDB = p.fNTBoverwriteOCDB;
+
+  Int_t iBin = 0;
+
+  if (fTRFsmp) {
+    delete[] fTRFsmp;
   }
+  fTRFsmp = new Float_t[fTRFbin];
+  for (iBin = 0; iBin < fTRFbin; iBin++) {
+    fTRFsmp[iBin] = ((AliTRDSimParam &) p).fTRFsmp[iBin];
+  }                                                                             
+
+  if (fCTsmp) {
+    delete[] fCTsmp;
+  }
+  fCTsmp  = new Float_t[fTRFbin];
+  for (iBin = 0; iBin < fTRFbin; iBin++) {
+    fCTsmp[iBin]  = ((AliTRDSimParam &) p).fCTsmp[iBin];
+  }                                                                             
 
   return *this;
 
@@ -263,7 +301,6 @@ void AliTRDSimParam::Copy(TObject &p) const
   target->fChipGain           = fChipGain;  
   target->fADCoutRange        = fADCoutRange;
   target->fADCinRange         = fADCinRange;
-  target->fADCthreshold       = fADCthreshold;
   target->fADCbaseline        = fADCbaseline; 
   target->fDiffusionOn        = fDiffusionOn; 
   target->fElAttachOn         = fElAttachOn;
@@ -274,10 +311,11 @@ void AliTRDSimParam::Copy(TObject &p) const
   target->fTRFhi              = fTRFhi;
   target->fTRFwid             = fTRFwid;
   target->fCTOn               = fCTOn;
-  target->fAnodeWireOffset    = fAnodeWireOffset;
   target->fPadCoupling        = fPadCoupling;
   target->fTimeCoupling       = fTimeCoupling;
   target->fPRFOn              = fPRFOn;
+  target->fNTimeBins          = fNTimeBins;
+  target->fNTBoverwriteOCDB   = fNTBoverwriteOCDB;
 
   if (target->fTRFsmp) {
     delete[] target->fTRFsmp;
@@ -304,12 +342,30 @@ void AliTRDSimParam::ReInit()
   // Reinitializes the parameter class after a change
   //
 
-  // The range and the binwidth for the sampled TRF 
-  fTRFbin = 200;
-  // Start 0.2 mus before the signal
-  fTRFlo  = -0.4;
-  // End the maximum drift time after the signal 
-  fTRFhi  =  3.58;
+  if      (AliTRDCommonParam::Instance()->IsXenon()) {
+    // The range and the binwidth for the sampled TRF 
+    fTRFbin = 200;
+    // Start 0.2 mus before the signal
+    fTRFlo  = -0.4;
+    // End the maximum drift time after the signal 
+    fTRFhi  =  3.58;
+    // Standard gas gain
+    fGasGain = 4000.0;
+  }
+  else if (AliTRDCommonParam::Instance()->IsArgon()) {
+    // The range and the binwidth for the sampled TRF 
+    fTRFbin  =  50;
+    // Start 0.2 mus before the signal
+    fTRFlo   =  0.02;
+    // End the maximum drift time after the signal 
+    fTRFhi   =  1.98;
+    // Higher gas gain
+    fGasGain = 8000.0;
+  }
+  else {
+    AliFatal("Not a valid gas mixture!");
+    exit(1);
+  }
   fTRFwid = (fTRFhi - fTRFlo) / ((Float_t) fTRFbin);
 
   // Create the sampled TRF
@@ -322,56 +378,84 @@ void AliTRDSimParam::SampleTRF()
 {
   //
   // Samples the new time response function.
-  // From Antons measurements with Fe55 source, adjusted by C. Lippmann.
-  // time bins are -0.4, -0.38, -0.36, ...., 3.54, 3.56, 3.58 microseconds
   //
 
-  const Int_t kNpasa     = 200;  // kNpasa should be equal to fTRFbin!
-
-  Float_t signal[kNpasa]={ 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000
-                        , 0.0002, 0.0007, 0.0026, 0.0089, 0.0253, 0.0612, 0.1319
-                        , 0.2416, 0.3913, 0.5609, 0.7295, 0.8662, 0.9581, 1.0000
-                        , 0.9990, 0.9611, 0.8995, 0.8269, 0.7495, 0.6714, 0.5987
-                        , 0.5334, 0.4756, 0.4249, 0.3811, 0.3433, 0.3110, 0.2837
-                        , 0.2607, 0.2409, 0.2243, 0.2099, 0.1974, 0.1868, 0.1776
-                        , 0.1695, 0.1627, 0.1566, 0.1509, 0.1457, 0.1407, 0.1362
-                        , 0.1317, 0.1274, 0.1233, 0.1196, 0.1162, 0.1131, 0.1102
-                        , 0.1075, 0.1051, 0.1026, 0.1004, 0.0979, 0.0956, 0.0934
-                        , 0.0912, 0.0892, 0.0875, 0.0858, 0.0843, 0.0829, 0.0815
-                        , 0.0799, 0.0786, 0.0772, 0.0757, 0.0741, 0.0729, 0.0718
-                        , 0.0706, 0.0692, 0.0680, 0.0669, 0.0655, 0.0643, 0.0630
-                        , 0.0618, 0.0607, 0.0596, 0.0587, 0.0576, 0.0568, 0.0558
-                        , 0.0550, 0.0541, 0.0531, 0.0522, 0.0513, 0.0505, 0.0497
-                        , 0.0490, 0.0484, 0.0474, 0.0465, 0.0457, 0.0449, 0.0441
-                        , 0.0433, 0.0425, 0.0417, 0.0410, 0.0402, 0.0395, 0.0388
-                        , 0.0381, 0.0374, 0.0368, 0.0361, 0.0354, 0.0348, 0.0342
-                        , 0.0336, 0.0330, 0.0324, 0.0318, 0.0312, 0.0306, 0.0301
-                        , 0.0296, 0.0290, 0.0285, 0.0280, 0.0275, 0.0270, 0.0265
-                        , 0.0260, 0.0256, 0.0251, 0.0246, 0.0242, 0.0238, 0.0233
-                        , 0.0229, 0.0225, 0.0221, 0.0217, 0.0213, 0.0209, 0.0206
-                        , 0.0202, 0.0198, 0.0195, 0.0191, 0.0188, 0.0184, 0.0181
-                        , 0.0178, 0.0175, 0.0171, 0.0168, 0.0165, 0.0162, 0.0159
-                        , 0.0157, 0.0154, 0.0151, 0.0148, 0.0146, 0.0143, 0.0140
-                        , 0.0138, 0.0135, 0.0133, 0.0131, 0.0128, 0.0126, 0.0124
-                        , 0.0121, 0.0119, 0.0120, 0.0115, 0.0113, 0.0111, 0.0109
-                        , 0.0107, 0.0105, 0.0103, 0.0101, 0.0100, 0.0098, 0.0096
-                        , 0.0094, 0.0092, 0.0091, 0.0089, 0.0088, 0.0086, 0.0084
-                        , 0.0083, 0.0081, 0.0080, 0.0078 };
+  Int_t ipasa = 0;
 
+  // Xenon
+  // From Antons measurements with Fe55 source, adjusted by C. Lippmann.
+  // time bins are -0.4, -0.38, -0.36, ...., 3.54, 3.56, 3.58 microseconds
+  const Int_t kNpasa     = 200;  // kNpasa should be equal to fTRFbin!
   Float_t xtalk[kNpasa];
-
+  Float_t signal[kNpasa]     = { 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000
+                              , 0.0002, 0.0007, 0.0026, 0.0089, 0.0253, 0.0612, 0.1319
+                              , 0.2416, 0.3913, 0.5609, 0.7295, 0.8662, 0.9581, 1.0000
+                              , 0.9990, 0.9611, 0.8995, 0.8269, 0.7495, 0.6714, 0.5987
+                              , 0.5334, 0.4756, 0.4249, 0.3811, 0.3433, 0.3110, 0.2837
+                              , 0.2607, 0.2409, 0.2243, 0.2099, 0.1974, 0.1868, 0.1776
+                              , 0.1695, 0.1627, 0.1566, 0.1509, 0.1457, 0.1407, 0.1362
+                              , 0.1317, 0.1274, 0.1233, 0.1196, 0.1162, 0.1131, 0.1102
+                              , 0.1075, 0.1051, 0.1026, 0.1004, 0.0979, 0.0956, 0.0934
+                              , 0.0912, 0.0892, 0.0875, 0.0858, 0.0843, 0.0829, 0.0815
+                              , 0.0799, 0.0786, 0.0772, 0.0757, 0.0741, 0.0729, 0.0718
+                              , 0.0706, 0.0692, 0.0680, 0.0669, 0.0655, 0.0643, 0.0630
+                              , 0.0618, 0.0607, 0.0596, 0.0587, 0.0576, 0.0568, 0.0558
+                              , 0.0550, 0.0541, 0.0531, 0.0522, 0.0513, 0.0505, 0.0497
+                              , 0.0490, 0.0484, 0.0474, 0.0465, 0.0457, 0.0449, 0.0441
+                              , 0.0433, 0.0425, 0.0417, 0.0410, 0.0402, 0.0395, 0.0388
+                              , 0.0381, 0.0374, 0.0368, 0.0361, 0.0354, 0.0348, 0.0342
+                              , 0.0336, 0.0330, 0.0324, 0.0318, 0.0312, 0.0306, 0.0301
+                              , 0.0296, 0.0290, 0.0285, 0.0280, 0.0275, 0.0270, 0.0265
+                              , 0.0260, 0.0256, 0.0251, 0.0246, 0.0242, 0.0238, 0.0233
+                              , 0.0229, 0.0225, 0.0221, 0.0217, 0.0213, 0.0209, 0.0206
+                              , 0.0202, 0.0198, 0.0195, 0.0191, 0.0188, 0.0184, 0.0181
+                              , 0.0178, 0.0175, 0.0171, 0.0168, 0.0165, 0.0162, 0.0159
+                              , 0.0157, 0.0154, 0.0151, 0.0148, 0.0146, 0.0143, 0.0140
+                              , 0.0138, 0.0135, 0.0133, 0.0131, 0.0128, 0.0126, 0.0124
+                              , 0.0121, 0.0119, 0.0120, 0.0115, 0.0113, 0.0111, 0.0109
+                              , 0.0107, 0.0105, 0.0103, 0.0101, 0.0100, 0.0098, 0.0096
+                              , 0.0094, 0.0092, 0.0091, 0.0089, 0.0088, 0.0086, 0.0084
+                              , 0.0083, 0.0081, 0.0080, 0.0078 };
+  signal[0] = 0.0;
+  signal[1] = 0.0;
+  signal[2] = 0.0;
   // With undershoot, positive peak corresponds to ~3% of the main signal:
-  for (Int_t ipasa = 3; ipasa < kNpasa; ipasa++) {
+  for (ipasa = 3; ipasa < kNpasa; ipasa++) {
     xtalk[ipasa] = 0.2 * (signal[ipasa-2] - signal[ipasa-3]);
   }
-
   xtalk[0]  = 0.0;   
   xtalk[1]  = 0.0;  
   xtalk[2]  = 0.0;  
 
-  signal[0] = 0.0;
-  signal[1] = 0.0;
-  signal[2] = 0.0;
+  // Argon
+  // Ar measurement with Fe55 source by Anton
+  // time bins are 0.02, 0.06, 0.10, ...., 1.90, 1.94, 1.98 microseconds
+  const Int_t kNpasaAr = 50;
+  Float_t xtalkAr[kNpasaAr];
+  Float_t signalAr[kNpasaAr] = { -0.01,  0.01,  0.00,  0.00,  0.01
+                               , -0.01,  0.01,  2.15, 22.28, 55.53
+                               , 68.52, 58.21, 40.92, 27.12, 18.49
+                               , 13.42, 10.48,  8.67,  7.49,  6.55
+                               ,  5.71,  5.12,  4.63,  4.22,  3.81
+                               ,  3.48,  3.20,  2.94,  2.77,  2.63
+                               ,  2.50,  2.37,  2.23,  2.13,  2.03
+                               ,  1.91,  1.83,  1.75,  1.68,  1.63
+                               ,  1.56,  1.49,  1.50,  1.49,  1.29
+                              ,  1.19,  1.21,  1.21,  1.20,  1.10 };
+  // Normalization to maximum
+  for (ipasa = 0; ipasa < kNpasaAr; ipasa++) {
+    signalAr[ipasa] /= 68.52;
+  }
+  signalAr[0] = 0.0;
+  signalAr[1] = 0.0;
+  signalAr[2] = 0.0;
+  // With undershoot, positive peak corresponds to ~3% of the main signal:
+  for (ipasa = 3; ipasa < kNpasaAr; ipasa++) {
+    xtalkAr[ipasa] = 0.2 * (signalAr[ipasa-2] - signalAr[ipasa-3]);
+  }
+  xtalkAr[0]  = 0.0;   
+  xtalkAr[1]  = 0.0;  
+  xtalkAr[2]  = 0.0;  
 
   if (fTRFsmp) {
     delete [] fTRFsmp;
@@ -383,9 +467,26 @@ void AliTRDSimParam::SampleTRF()
   }
   fCTsmp  = new Float_t[fTRFbin];
 
+  if      (AliTRDCommonParam::Instance()->IsXenon()) {
+    if (fTRFbin != kNpasa) {
+      AliError("Array mismatch (xenon)\n\n");
+    }
+  }
+  else if (AliTRDCommonParam::Instance()->IsArgon()) {
+    if (fTRFbin != kNpasaAr) {
+      AliError("Array mismatch (argon)\n\n");
+    }
+  }
+
   for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
-    fTRFsmp[iBin] = signal[iBin];
-    fCTsmp[iBin]  = xtalk[iBin];
+    if      (AliTRDCommonParam::Instance()->IsXenon()) {
+      fTRFsmp[iBin] = signal[iBin];
+      fCTsmp[iBin]  = xtalk[iBin];
+    }
+    else if (AliTRDCommonParam::Instance()->IsArgon()) {
+      fTRFsmp[iBin] = signalAr[iBin];
+      fCTsmp[iBin]  = xtalkAr[iBin];
+    }
   }
 
 }
@@ -398,14 +499,15 @@ Double_t AliTRDSimParam::TimeResponse(Double_t time) const
   // (We assume a signal rise time of 0.2us = fTRFlo/2.
   //
 
-  Int_t iBin = ((Int_t) ((time - fTRFlo/2.0) / fTRFwid)); 
-  if ((iBin >=       0) && 
-      (iBin <  fTRFbin)) {
-    return fTRFsmp[iBin];
-  }
+  Double_t rt   = (time - .5*fTRFlo) / fTRFwid;
+  Int_t    iBin = (Int_t) rt; 
+  Double_t dt   = rt - iBin; 
+  if ((iBin >= 0) && (iBin+1 < fTRFbin)) {
+    return fTRFsmp[iBin] + (fTRFsmp[iBin+1] - fTRFsmp[iBin])*dt;
+  } 
   else {
     return 0.0;
-  }    
+  }
 
 }
 
@@ -416,13 +518,14 @@ Double_t AliTRDSimParam::CrossTalk(Double_t time) const
   // Applies the pad-pad capacitive cross talk
   //
 
-  Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid)); 
-  if ((iBin >=       0) && 
-      (iBin <  fTRFbin)) {
-    return fCTsmp[iBin];
-  }
+  Double_t rt   = (time - fTRFlo) / fTRFwid;
+  Int_t    iBin = (Int_t) rt; 
+  Double_t dt   = rt - iBin; 
+  if ((iBin >= 0) && (iBin+1 < fTRFbin)) {
+    return fCTsmp[iBin] + (fCTsmp[iBin+1] - fCTsmp[iBin])*dt;
+  } 
   else {
     return 0.0;
-  }    
+  }
 
 }