#include <AliLog.h> // ALILOG_H
#include "AliFMDDigitizer.h" // ALIFMDDIGITIZER_H
#include "AliFMD.h" // ALIFMD_H
+#include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
+#include "AliFMDDetector.h" // ALIFMDDETECTOR_H
+#include "AliFMDRing.h" // ALIFMDRING_H
#include "AliFMDHit.h" // ALIFMDHIT_H
#include "AliFMDDigit.h" // ALIFMDDIGIT_H
+#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
#include <AliRunDigitizer.h> // ALIRUNDIGITIZER_H
#include <AliRun.h> // ALIRUN_H
#include <AliLoader.h> // ALILOADER_H
#include <AliRunLoader.h> // ALIRUNLOADER_H
-//____________________________________________________________________
-ClassImp(AliFMDEdepMap);
-
//====================================================================
-ClassImp(AliFMDBaseDigitizer);
+ClassImp(AliFMDBaseDigitizer)
+#if 0
+ ; // This is here to keep Emacs for indenting the next line
+#endif
//____________________________________________________________________
AliFMDBaseDigitizer::AliFMDBaseDigitizer()
{
// Normal CTOR
AliDebug(1," processed");
- SetVA1MipRange();
- SetAltroChannelSize();
- SetSampleRate();
SetShapingTime();
}
{
// Normal CTOR
AliDebug(1," processed");
- SetVA1MipRange();
- SetAltroChannelSize();
- SetSampleRate();
SetShapingTime();
}
AliFMDBaseDigitizer::Init()
{
// Initialization
+ AliFMDParameters::Instance()->Init();
return kTRUE;
}
+//____________________________________________________________________
+UShort_t
+AliFMDBaseDigitizer::MakePedestal(UShort_t,
+ Char_t,
+ UShort_t,
+ UShort_t) const
+{
+ return 0;
+}
+
//____________________________________________________________________
void
AliFMDBaseDigitizer::SumContributions(AliFMD* fmd)
Fatal("SumContributions", "no run loader");
// Clear array of deposited energies
- fEdep.Clear();
+ fEdep.Reset();
// Get the FMD loader
AliLoader* inFMD = fRunLoader->GetLoader("FMDLoader");
// Get number of entries in the tree
Int_t ntracks = Int_t(hitsTree->GetEntries());
+ AliFMDParameters* param = AliFMDParameters::Instance();
+ Int_t read = 0;
// Loop over the tracks in the
for (Int_t track = 0; track < ntracks; track++) {
// Read in entry number `track'
- hitsBranch->GetEntry(track);
+ read += hitsBranch->GetEntry(track);
// Get the number of hits
Int_t nhits = fmdHits->GetEntries ();
UShort_t sector = fmdHit->Sector();
UShort_t strip = fmdHit->Strip();
Float_t edep = fmdHit->Edep();
+
+ // Check if strip is `dead'
+ if (param->IsDead(detector, ring, sector, strip)) continue;
+
+ // Give warning in case of double hit
if (fEdep(detector, ring, sector, strip).fEdep != 0)
- AliDebug(1, Form("Double hit in %d%c(%d,%d)",
+ AliDebug(5, Form("Double hit in %d%c(%d,%d)",
detector, ring, sector, strip));
+ // Sum energy deposition
fEdep(detector, ring, sector, strip).fEdep += edep;
fEdep(detector, ring, sector, strip).fN += 1;
// Add this to the energy deposited for this strip
} // hit loop
} // track loop
+ AliDebug(1, Form("Size of cache: %d bytes, read %d bytes",
+ sizeof(fEdep), read));
}
//____________________________________________________________________
// the energy signal to ADC counts, and store the created digit in
// the digits array (AliFMD::fDigits)
//
+ AliFMDGeometry* geometry = AliFMDGeometry::Instance();
+
TArrayI counts(3);
for (UShort_t detector=1; detector <= 3; detector++) {
// Get pointer to subdetector
- AliFMDSubDetector* det = 0;
- switch (detector) {
- case 1: det = fmd->GetFMD1(); break;
- case 2: det = fmd->GetFMD2(); break;
- case 3: det = fmd->GetFMD3(); break;
- }
+ AliFMDDetector* det = geometry->GetDetector(detector);
if (!det) continue;
for (UShort_t ringi = 0; ringi <= 1; ringi++) {
+ Char_t ring = ringi == 0 ? 'I' : 'O';
// Get pointer to Ring
- AliFMDRing* r = 0;
- switch (ringi) {
- case 0: if (det->GetInner()) r = det->GetInner(); break;
- case 1: if (det->GetOuter()) r = det->GetOuter(); break;
- }
+ AliFMDRing* r = det->GetRing(ring);
if (!r) continue;
// Get number of sectors
// VA1_ALICE channel.
if (strip % 128 == 0) last = 0;
- Float_t edep = fEdep(detector, r->GetId(), sector, strip).fEdep;
- ConvertToCount(edep, last, r->GetSiThickness(),
- fmd->GetSiDensity(), counts);
+ Float_t edep = fEdep(detector, ring, sector, strip).fEdep;
+ ConvertToCount(edep, last, detector, ring, sector, strip, counts);
last = edep;
- AddDigit(fmd, detector, r->GetId(), sector, strip,
- edep, UShort_t(counts[0]),
- Short_t(counts[1]), Short_t(counts[2]));
+ AddDigit(fmd, detector, ring, sector, strip, edep,
+ UShort_t(counts[0]), Short_t(counts[1]),
+ Short_t(counts[2]));
#if 0
// This checks if the digit created will give the `right'
// number of particles when reconstructed, using a naiive
// approach. It's here only as a quality check - nothing
// else.
- CheckDigit(fEdep(detector, r->GetId(), sector, strip).fEdep,
- fEdep(detector, r->GetId(), sector, strip).fN,
+ CheckDigit(digit, fEdep(detector, ring, sector, strip).fN,
counts);
#endif
} // Strip
void
AliFMDBaseDigitizer::ConvertToCount(Float_t edep,
Float_t last,
- Float_t siThickness,
- Float_t siDensity,
+ UShort_t detector,
+ Char_t ring,
+ UShort_t sector,
+ UShort_t strip,
TArrayI& counts) const
{
// Convert the total energy deposited to a (set of) ADC count(s).
//
// = E + (l - E) * ext(-B * t)
//
- const Float_t mipEnergy = 1.664 * siThickness * siDensity;
- const Float_t convf = (1 / mipEnergy * Float_t(fAltroChannelSize)
- / fVA1MipRange);
- UShort_t ped = MakePedestal();
-
+ AliFMDParameters* param = AliFMDParameters::Instance();
+ Float_t convF = 1/param->GetPulseGain(detector,ring,sector,strip);
+ UShort_t ped = MakePedestal(detector,ring,sector,strip);
+ UInt_t maxAdc = param->GetAltroChannelSize();
+ UShort_t rate = param->GetSampleRate(AliFMDParameters::kBaseDDL);
+ UShort_t size = param->GetAltroChannelSize();
+
// In case we don't oversample, just return the end value.
- if (fSampleRate == 1) {
- counts[0] = UShort_t(TMath::Min(edep * convf + ped,
- Float_t(fAltroChannelSize)));
+ if (rate == 1) {
+ counts[0] = UShort_t(TMath::Min(edep * convF + ped, Float_t(size)));
return;
}
-
+
// Create a pedestal
- Int_t n = fSampleRate;
- Float_t B = fShapingTime;
- for (Ssiz_t i = 0; i < n; i++) {
- Float_t t = Float_t(i) / n;
- Float_t s = edep + (last - edep) * TMath::Exp(-B * t);
- counts[i] = UShort_t(TMath::Min(s * convf + ped,
- Float_t(fAltroChannelSize)));
+ Float_t b = fShapingTime;
+ for (Ssiz_t i = 0; i < rate; i++) {
+ Float_t t = Float_t(i) / rate;
+ Float_t s = edep + (last - edep) * TMath::Exp(-b * t);
+ counts[i] = UShort_t(TMath::Min(s * convF + ped, Float_t(maxAdc)));
}
}
//====================================================================
-ClassImp(AliFMDDigitizer);
+ClassImp(AliFMDDigitizer)
//____________________________________________________________________
AliFMDDigitizer::AliFMDDigitizer()
{
// Normal CTOR
AliDebug(1," processed");
- SetPedestal();
}
//____________________________________________________________________
// Get the input loader
TString inFolder(fManager->GetInputFolderName(0));
fRunLoader =
- AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
+ AliRunLoader::GetRunLoader(inFolder.Data());
if (!fRunLoader) {
AliError("Can not find Run Loader for input stream 0");
return;
if (!fRunLoader->GetAliRun()) fRunLoader->LoadgAlice();
// Get the AliFMD object
- AliFMD* fmd = static_cast<AliFMD*>(fRunLoader->GetAliRun()->GetDetector("FMD"));
+ AliFMD* fmd =
+ static_cast<AliFMD*>(fRunLoader->GetAliRun()->GetDetector("FMD"));
if (!fmd) {
AliError("Can not get FMD from gAlice");
return;
fmd->MakeBranchInTree(digitTree, fmd->GetName(), &(digits), 4000, 0);
// TBranch* digitBranch = digitTree->GetBranch(fmd->GetName());
// Fill the tree
- digitTree->Fill();
+ Int_t write = 0;
+ write = digitTree->Fill();
+ AliDebug(1, Form("Wrote %d bytes to digit tree", write));
// Write the digits to disk
outFMD->WriteDigits("OVERWRITE");
//____________________________________________________________________
UShort_t
-AliFMDDigitizer::MakePedestal() const
+AliFMDDigitizer::MakePedestal(UShort_t detector,
+ Char_t ring,
+ UShort_t sector,
+ UShort_t strip) const
{
- return UShort_t(TMath::Max(gRandom->Gaus(fPedestal, fPedestalWidth), 0.));
+ // Make a pedestal
+ AliFMDParameters* param =AliFMDParameters::Instance();
+ Float_t mean =param->GetPedestal(detector,ring,sector,strip);
+ Float_t width =param->GetPedestalWidth(detector,ring,sector,strip);
+ return UShort_t(TMath::Max(gRandom->Gaus(mean, width), 0.));
}
//____________________________________________________________________
Short_t count2,
Short_t count3) const
{
- fmd->AddDigit(detector, ring, sector, strip, count1, count2, count3);
+ // Add a digit
+ fmd->AddDigitByFields(detector, ring, sector, strip, count1, count2, count3);
}
//____________________________________________________________________
void
-AliFMDDigitizer::CheckDigit(Float_t /* edep */,
+AliFMDDigitizer::CheckDigit(AliFMDDigit* digit,
UShort_t nhits,
const TArrayI& counts)
{
- Int_t integral = counts[0];
+ // Check that digit is consistent
+ AliFMDParameters* param = AliFMDParameters::Instance();
+ UShort_t det = digit->Detector();
+ Char_t ring = digit->Ring();
+ UShort_t sec = digit->Sector();
+ UShort_t str = digit->Strip();
+ Float_t mean = param->GetPedestal(det,ring,sec,str);
+ Float_t width = param->GetPedestalWidth(det,ring,sec,str);
+ UShort_t range = param->GetVA1MipRange();
+ UShort_t size = param->GetAltroChannelSize();
+ Int_t integral = counts[0];
if (counts[1] >= 0) integral += counts[1];
if (counts[2] >= 0) integral += counts[2];
- integral -= Int_t(fPedestal + 2 * fPedestalWidth);
+ integral -= Int_t(mean + 2 * width);
if (integral < 0) integral = 0;
- Float_t convf = Float_t(fVA1MipRange) / fAltroChannelSize;
- Float_t mips = integral * convf;
+ Float_t convF = Float_t(range) / size;
+ Float_t mips = integral * convF;
if (mips > Float_t(nhits) + .5 || mips < Float_t(nhits) - .5)
Warning("CheckDigit", "Digit -> %4.2f MIPS != %d +/- .5 hits",
mips, nhits);
}
//====================================================================
-ClassImp(AliFMDSDigitizer);
+ClassImp(AliFMDSDigitizer)
//____________________________________________________________________
AliFMDSDigitizer::AliFMDSDigitizer()
//____________________________________________________________________
AliFMDSDigitizer::~AliFMDSDigitizer()
{
+ // Destructor
AliLoader* loader = fRunLoader->GetLoader("FMDLoader");
loader->CleanSDigitizer();
}
Short_t count2,
Short_t count3) const
{
- fmd->AddSDigit(detector, ring, sector, strip, edep, count1, count2, count3);
+ // Add a summable digit
+ fmd->AddSDigitByFields(detector, ring, sector, strip, edep,
+ count1, count2, count3);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff