* provided "as is" without express or implied warranty. *
**************************************************************************/
-#include <iostream.h>
+/* $Id$ */
+
+#include <Riostream.h>
#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
+#include <cstring>
-#include <TSystem.h>
-#include <TROOT.h>
-#include <TStopwatch.h>
#include <TCanvas.h>
#include <TF1.h>
-#include <TRandom.h>
#include <TH1.h>
#include <TFile.h>
-#include <TVector.h>
-#include <TArrayI.h>
-#include <TArrayF.h>
-
-#include "AliRun.h"
+#include <TRandom.h>
+#include <TROOT.h>
#include "AliITS.h"
-#include "AliITShit.h"
-#include "AliITSdigit.h"
-#include "AliITSmodule.h"
-#include "AliITSpList.h"
-#include "AliITSMapA1.h"
#include "AliITSMapA2.h"
-#include "AliITSetfSDD.h"
#include "AliITSRawData.h"
-#include "AliITSHuffman.h"
-#include "AliITSsegmentation.h"
-#include "AliITSresponse.h"
-#include "AliITSsegmentationSDD.h"
+#include "AliITSdigitSPD.h"
+#include "AliITSetfSDD.h"
+#include "AliITSmodule.h"
+#include "AliITShit.h"
+#include "AliITSpList.h"
+#include "AliITSCalibrationSDD.h"
#include "AliITSresponseSDD.h"
#include "AliITSsimulationSDD.h"
+#include "AliLog.h"
+#include "AliRun.h"
ClassImp(AliITSsimulationSDD)
////////////////////////////////////////////////////////////////////////
-// Version: 0
-// Written by Piergiorgio Cerello
-// November 23 1999
-//
-// AliITSsimulationSDD is the simulation of SDDs.
- //
-//Begin_Html
-/*
-<img src="picts/ITS/AliITShit_Class_Diagram.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>This show the relasionships between the ITS hit class and the rest of Aliroot.
-</font>
-<pre>
-*/
-//End_Html
-//______________________________________________________________________
-Int_t power(Int_t b, Int_t e) {
- // compute b to the e power, where both b and e are Int_ts.
- Int_t power = 1,i;
-
- for(i=0; i<e; i++) power *= b;
- return power;
-}
-//______________________________________________________________________
-void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real,
- Double_t *imag,Int_t direction) {
- // Do a Fast Fourier Transform
+// Version: 0 //
+// Written by Piergiorgio Cerello //
+// November 23 1999 //
+// //
+// AliITSsimulationSDD is the simulation of SDDs. //
+////////////////////////////////////////////////////////////////////////
- Int_t samples = alisddetf->GetSamples();
- Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
- Int_t m1 = samples;
- Int_t m = samples/2;
- Int_t m2 = samples/m1;
- Int_t i,j,k;
- for(i=1; i<=l; i++) {
- for(j=0; j<samples; j += m1) {
- Int_t p = 0;
- for(k=j; k<= j+m-1; k++) {
- Double_t wsr = alisddetf->GetWeightReal(p);
- Double_t wsi = alisddetf->GetWeightImag(p);
- if(direction == -1) wsi = -wsi;
- Double_t xr = *(real+k+m);
- Double_t xi = *(imag+k+m);
- *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
- *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
- *(real+k) += xr;
- *(imag+k) += xi;
- p += m2;
- } // end for k
- } // end for j
- m1 = m;
- m /= 2;
- m2 += m2;
- } // end for i
-
- for(j=0; j<samples; j++) {
- Int_t j1 = j;
- Int_t p = 0;
- Int_t i1;
- for(i1=1; i1<=l; i1++) {
- Int_t j2 = j1;
- j1 /= 2;
- p = p + p + j2 - j1 - j1;
- } // end for i1
- if(p >= j) {
- Double_t xr = *(real+j);
- Double_t xi = *(imag+j);
- *(real+j) = *(real+p);
- *(imag+j) = *(imag+p);
- *(real+p) = xr;
- *(imag+p) = xi;
- } // end if p>=j
- } // end for j
- if(direction == -1) {
- for(i=0; i<samples; i++) {
- *(real+i) /= samples;
- *(imag+i) /= samples;
- } // end for i
- } // end if direction == -1
- return;
-}
//______________________________________________________________________
-AliITSsimulationSDD::AliITSsimulationSDD(){
+AliITSsimulationSDD::AliITSsimulationSDD():
+AliITSsimulation(),
+fITS(0),
+fHitMap2(0),
+fHitSigMap2(0),
+fHitNoiMap2(0),
+fElectronics(0),
+fInZR(0),
+fInZI(0),
+fOutZR(0),
+fOutZI(0),
+fAnodeFire(0),
+fHis(0),
+fFlag(kFALSE),
+fCrosstalkFlag(kFALSE),
+fDoFFT(1),
+fNofMaps(0),
+fMaxNofSamples(0),
+fScaleSize(0){
// Default constructor
-
- fResponse = 0;
- fSegmentation = 0;
- fHis = 0;
- fHitMap1 = 0;
- fHitMap2 = 0;
- fElectronics = 0;
- fStream = 0;
- fInZR = 0;
- fInZI = 0;
- fOutZR = 0;
- fOutZI = 0;
- fNofMaps = 0;
- fMaxNofSamples = 0;
- fITS = 0;
- fTreeB = 0;
- fD.Set(0);
- fT1.Set(0);
- fT2.Set(0);
- fTol.Set(0);
- fNoise.Set(0);
- fBaseline.Set(0);
- SetScaleFourier();
SetPerpendTracksFlag();
+ SetCrosstalkFlag();
SetDoFFT();
- SetCheckNoise();
}
//______________________________________________________________________
-AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source){
+AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) :
+ AliITSsimulation(source),
+fITS(source.fITS),
+fHitMap2(source.fHitMap2),
+fHitSigMap2(source.fHitSigMap2),
+fHitNoiMap2(source.fHitNoiMap2),
+fElectronics(source.fElectronics),
+fInZR(source.fInZR),
+fInZI(source.fInZI),
+fOutZR(source.fOutZR),
+fOutZI(source.fOutZI),
+fAnodeFire(source.fAnodeFire),
+fHis(source.fHis),
+fFlag(source.fFlag),
+fCrosstalkFlag(source.fCrosstalkFlag),
+fDoFFT(source.fDoFFT),
+fNofMaps(source.fNofMaps),
+fMaxNofSamples(source.fMaxNofSamples),
+fScaleSize(source.fScaleSize){
// Copy constructor to satify Coding roules only.
- if(this==&source) return;
- Error("AliITSsimulationSSD","Not allowed to make a copy of "
- "AliITSsimulationSDD Using default creater instead");
- AliITSsimulationSDD();
}
//______________________________________________________________________
-AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &src){
+AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){
// Assignment operator to satify Coding roules only.
if(this==&src) return *this;
- Error("AliITSsimulationSSD","Not allowed to make a = with "
- "AliITSsimulationSDD Using default creater instead");
+ Error("AliITSsimulationSDD","Not allowed to make a = with "
+ "AliITSsimulationSDD Using default creater instead");
return *this ;
}
+/*
//______________________________________________________________________
-AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg,
- AliITSresponse *resp){
- // Standard Constructor
-
-
- fResponse = 0;
- fSegmentation = 0;
- fHis = 0;
- fHitMap1 = 0;
- fHitMap2 = 0;
- fElectronics = 0;
- fStream = 0;
- fInZR = 0;
- fInZI = 0;
- fOutZR = 0;
- fOutZI = 0;
- fNofMaps = 0;
- fMaxNofSamples = 0;
- fITS = 0;
- fTreeB = 0;
+AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){
+ // Assignment operator to satify Coding roules only.
- Init((AliITSsegmentationSDD*)seg,(AliITSresponseSDD*)resp);
+ if(this==&src) return *this;
+ Error("AliITSsimulationSSD","Not allowed to make a = with "
+ "AliITSsimulationSDD Using default creater instead");
+ return *this ;
}
+*/
//______________________________________________________________________
-void AliITSsimulationSDD::Init(AliITSsegmentationSDD *seg,
- AliITSresponseSDD *resp){
+AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp):
+AliITSsimulation(dettyp),
+fITS(0),
+fHitMap2(0),
+fHitSigMap2(0),
+fHitNoiMap2(0),
+fElectronics(0),
+fInZR(0),
+fInZI(0),
+fOutZR(0),
+fOutZI(0),
+fAnodeFire(0),
+fHis(0),
+fFlag(kFALSE),
+fCrosstalkFlag(kFALSE),
+fDoFFT(1),
+fNofMaps(0),
+fMaxNofSamples(0),
+fScaleSize(0){
+ // Default Constructor
+ Init();
+}
+//______________________________________________________________________
+void AliITSsimulationSDD::Init(){
// Standard Constructor
- fResponse = resp;
- fSegmentation = seg;
- SetScaleFourier();
+ AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
+ fScaleSize = ScaleFourier(seg);
SetPerpendTracksFlag();
+ SetCrosstalkFlag();
SetDoFFT();
- SetCheckNoise();
-
- fHitMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1);
- fHitMap1 = new AliITSMapA1(fSegmentation);
- fNofMaps = fSegmentation->Npz();
- fMaxNofSamples = fSegmentation->Npx();
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ fpList = new AliITSpList( seg->Npz(),
+ fScaleSize*seg->Npx() );
+ fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
+ fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1);
+ fHitMap2 = fHitSigMap2;
- Float_t sddLength = fSegmentation->Dx();
- Float_t sddWidth = fSegmentation->Dz();
-
- Int_t dummy = 0;
- Float_t anodePitch = fSegmentation->Dpz(dummy);
- Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy);
- Float_t driftSpeed = fResponse->DriftSpeed();
+ fNofMaps = seg->Npz();
+ fMaxNofSamples = seg->Npx();
+ fAnodeFire = new Bool_t [fNofMaps];
+
+ Float_t sddWidth = seg->Dz();
+ Float_t anodePitch = seg->Dpz(0);
+ Double_t timeStep = (Double_t)seg->Dpx(0);
if(anodePitch*(fNofMaps/2) > sddWidth) {
- Warning("AliITSsimulationSDD",
- "Too many anodes %d or too big pitch %f \n",
- fNofMaps/2,anodePitch);
+ AliWarning(Form("Too many anodes %d or too big pitch %f ",
+ fNofMaps/2,anodePitch));
} // end if
- if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
- Error("AliITSsimulationSDD",
- "Time Interval > Allowed Time Interval: exit\n");
- return;
- } // end if
fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
- fResponse->Electronics());
-
- char opt1[20], opt2[20];
- fResponse->ParamOptions(opt1,opt2);
- fParam = opt2;
- char *same = strstr(opt1,"same");
- if (same) {
- fNoise.Set(0);
- fBaseline.Set(0);
- } else {
- fNoise.Set(fNofMaps);
- fBaseline.Set(fNofMaps);
- } // end if
-
- const char *kopt=fResponse->ZeroSuppOption();
- if (strstr(fParam,"file") ) {
- fD.Set(fNofMaps);
- fT1.Set(fNofMaps);
- if (strstr(kopt,"2D")) {
- fT2.Set(fNofMaps);
- fTol.Set(0);
- Init2D(); // desactivate if param change module by module
- } else if(strstr(kopt,"1D")) {
- fT2.Set(2);
- fTol.Set(2);
- Init1D(); // desactivate if param change module by module
- } // end if strstr
- } else {
- fD.Set(2);
- fTol.Set(2);
- fT1.Set(2);
- fT2.Set(2);
- SetCompressParam();
- } // end if else strstr
+ simpar->GetSDDElectronics());
- Bool_t write = fResponse->OutputOption();
- if(write && strstr(kopt,"2D")) MakeTreeB();
-
- // call here if baseline does not change by module
- // ReadBaseline();
fITS = (AliITS*)gAlice->GetModule("ITS");
- Int_t size = fNofMaps*fMaxNofSamples;
- fStream = new AliITSInStream(size);
-
+
fInZR = new Double_t [fScaleSize*fMaxNofSamples];
fInZI = new Double_t [fScaleSize*fMaxNofSamples];
fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
fOutZI = new Double_t [fScaleSize*fMaxNofSamples];
-
}
//______________________________________________________________________
AliITSsimulationSDD::~AliITSsimulationSDD() {
// destructor
- delete fHitMap1;
- delete fHitMap2;
- delete fStream;
+ // delete fpList;
+ delete fHitSigMap2;
+ delete fHitNoiMap2;
delete fElectronics;
- fD.Set(0);
- fT1.Set(0);
- fT2.Set(0);
- fTol.Set(0);
- fNoise.Set(0);
- fBaseline.Set(0);
fITS = 0;
if (fHis) {
- fHis->Delete();
- delete fHis;
+ fHis->Delete();
+ delete fHis;
} // end if fHis
- if(fTreeB) delete fTreeB;
if(fInZR) delete [] fInZR;
- if(fInZI) delete [] fInZI;
+ if(fInZI) delete [] fInZI;
if(fOutZR) delete [] fOutZR;
if(fOutZI) delete [] fOutZI;
+ if(fAnodeFire) delete [] fAnodeFire;
}
//______________________________________________________________________
-void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
+void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) {
// create maps to build the lists of tracks for each summable digit
-
- TObjArray *fHits = mod->GetHits();
- Int_t nhits = fHits->GetEntriesFast();
- fModule = md;
- fEvent = ev;
-
- if(!nhits) return;
-
- AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(),
- fScaleSize*fSegmentation->Npx());
-
- // inputs to ListOfFiredCells.
- TObjArray *alist = new TObjArray();
- fHitMap1->SetArray(alist);
- static TClonesArray *padr = 0;
- if(!padr) padr = new TClonesArray("TVector",1000);
-
- HitsToAnalogDigits(mod,alist,padr,pList);
-
- WriteSDigits(pList);
-
- // clean memory
- delete pList;
- alist->Delete();
- delete alist;
- padr->Delete();
- fHitMap1->ClearMap();
- fHitMap2->ClearMap();
+ fModule = module;
+ fEvent = event;
+ ClearMaps();
+ memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps);
}
//______________________________________________________________________
-void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
- // create maps to build the lists of tracks for each digit
-
- TObjArray *fHits = mod->GetHits();
- Int_t nhits = fHits->GetEntriesFast();
- fModule = md;
- fEvent = ev;
-
- if (!nhits && fCheckNoise) {
- ChargeToSignal();
- GetNoise();
- fHitMap2->ClearMap();
- return;
- } else if (!nhits) return;
-
- AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(),
- fScaleSize*fSegmentation->Npx());
-
- // inputs to ListOfFiredCells.
- TObjArray *alist = new TObjArray();
- fHitMap1->SetArray(alist);
- static TClonesArray *padr = 0;
- if(!padr) padr = new TClonesArray("TVector",1000);
-
- HitsToAnalogDigits(mod,alist,padr,pList);
-
- FinishDigits(alist);
-
- // clean memory
- delete pList;
- alist->Delete();
- delete alist;
- padr->Delete();
- fHitMap1->ClearMap();
- fHitMap2->ClearMap();
+void AliITSsimulationSDD::ClearMaps() {
+ // clear maps
+ fpList->ClearMap();
+ fHitSigMap2->ClearMap();
+ fHitNoiMap2->ClearMap();
}
//______________________________________________________________________
-void AliITSsimulationSDD::SDigitsToDigits(AliITSpList *pList){
- // Take Summable digits and create Digits.
-
- // inputs to ListOfFiredCells.
- TObjArray *alist = new TObjArray();
- fHitMap1->SetArray(alist);
- static TClonesArray *padr = 0;
- if(!padr) padr = new TClonesArray("TVector",1000);
- Int_t arg[6] = {0,0,0,0,0,0};
- Double_t timeAmplitude;
- Int_t i,j;
+void AliITSsimulationSDD::FastFourierTransform(Double_t *real,
+ Double_t *imag,Int_t direction) {
+ // Do a Fast Fourier Transform
- // Fill maps from pList.
- for(i=0;i<pList->GetMaxIndex();i++){
- pList->GetMapIndex(i,arg[0],arg[1]);
- for(j=0;j<pList->GetNEnteries();j++){
- timeAmplitude = pList->GetTSignal(arg[0],arg[1],j);
- if(timeAmplitude>0.0) continue;
- arg[2] = pList->GetTrack(arg[0],arg[1],j);
- arg[3] = pList->GetHit(arg[0],arg[1],j);
- ListOfFiredCells(arg,timeAmplitude,alist,padr);
- } // end for j
- // Make sure map has full signal in it.
- fHitMap2->SetHit(arg[0],arg[1],pList->GetSignal(arg[0],arg[1]));
+ Int_t samples = fElectronics->GetSamples();
+ Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
+ Int_t m1 = samples;
+ Int_t m = samples/2;
+ Int_t m2 = samples/m1;
+ Int_t i,j,k;
+ for(i=1; i<=l; i++) {
+ for(j=0; j<samples; j += m1) {
+ Int_t p = 0;
+ for(k=j; k<= j+m-1; k++) {
+ Double_t wsr = fElectronics->GetWeightReal(p);
+ Double_t wsi = fElectronics->GetWeightImag(p);
+ if(direction == -1) wsi = -wsi;
+ Double_t xr = *(real+k+m);
+ Double_t xi = *(imag+k+m);
+ *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
+ *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
+ *(real+k) += xr;
+ *(imag+k) += xi;
+ p += m2;
+ } // end for k
+ } // end for j
+ m1 = m;
+ m /= 2;
+ m2 += m2;
} // end for i
-
- FinishDigits(alist);
-
- // clean memory
- alist->Delete();
- delete alist;
- padr->Delete();
- fHitMap1->ClearMap();
- fHitMap2->ClearMap();
+ for(j=0; j<samples; j++) {
+ Int_t j1 = j;
+ Int_t p = 0;
+ Int_t i1;
+ for(i1=1; i1<=l; i1++) {
+ Int_t j2 = j1;
+ j1 /= 2;
+ p = p + p + j2 - j1 - j1;
+ } // end for i1
+ if(p >= j) {
+ Double_t xr = *(real+j);
+ Double_t xi = *(imag+j);
+ *(real+j) = *(real+p);
+ *(imag+j) = *(imag+p);
+ *(real+p) = xr;
+ *(imag+p) = xi;
+ } // end if p>=j
+ } // end for j
+ if(direction == -1) {
+ for(i=0; i<samples; i++) {
+ *(real+i) /= samples;
+ *(imag+i) /= samples;
+ } // end for i
+ } // end if direction == -1
+ return;
}
-//______________________________________________________________________
-void AliITSsimulationSDD::FinishDigits(TObjArray *alist){
- // introduce the electronics effects and do zero-suppression if required
- Int_t nentries=alist->GetEntriesFast();
- if(!nentries) return;
- ChargeToSignal();
- const char *kopt=fResponse->ZeroSuppOption();
- ZeroSuppression(kopt);
-}
//______________________________________________________________________
-void AliITSsimulationSDD::HitsToAnalogDigits(AliITSmodule *mod,TObjArray *alst,
- TClonesArray *padr,
- AliITSpList *pList){
- // create maps to build the lists of tracks for each digit
-
- TObjArray *fHits = mod->GetHits();
- Int_t nhits = fHits->GetEntriesFast();
- Int_t arg[6] = {0,0,0,0,0,0};
- Int_t dummy = 0;
- Int_t nofAnodes = fNofMaps/2;
- Float_t sddLength = fSegmentation->Dx();
- Float_t sddWidth = fSegmentation->Dz();
- Float_t anodePitch = fSegmentation->Dpz(dummy);
- Float_t timeStep = fSegmentation->Dpx(dummy);
- Float_t driftSpeed = fResponse->DriftSpeed();
- Float_t maxadc = fResponse->MaxAdc();
- Float_t topValue = fResponse->DynamicRange();
- Float_t cHloss = fResponse->ChargeLoss();
- Float_t norm = maxadc/topValue;
- Float_t dfCoeff, s1; fResponse->DiffCoeff(dfCoeff,s1); // Signal 2d Shape
- Double_t eVpairs = 3.6; // electron pair energy eV.
- Float_t nsigma = fResponse->NSigmaIntegration(); //
- Int_t nlookups = fResponse->GausNLookUp(); //
-
- // Piergiorgio's part (apart for few variables which I made float
- // when i thought that can be done
- // Fill detector maps with GEANT hits
- // loop over hits in the module
-
- const Float_t kconv = 1.0e+6; // GeV->KeV
- Int_t itrack = 0;
- Int_t hitDetector; // detector number (lay,lad,hitDetector)
- Int_t iWing; // which detector wing/side.
- Int_t detector; // 2*(detector-1)+iWing
- Int_t ii,kk,ka,kt; // loop indexs
- Int_t ia,it,index; // sub-pixel integration indexies
- Int_t iAnode; // anode number.
- Int_t timeSample; // time buckett.
- Int_t anodeWindow; // anode direction charge integration width
- Int_t timeWindow; // time direction charge integration width
- Int_t jamin,jamax; // anode charge integration window
- Int_t jtmin,jtmax; // time charge integration window
- Int_t ndiv; // Anode window division factor.
- Int_t nsplit; // the number of splits in anode and time windows==1.
- Int_t nOfSplits; // number of times track length is split into
- Float_t nOfSplitsF; // Floating point version of nOfSplits.
- Float_t kkF; // Floating point version of loop index kk.
- Float_t pathInSDD; // Track length in SDD.
- Float_t drPath; // average position of track in detector. in microns
- Float_t drTime; // Drift time
- Float_t nmul; // drift time window multiplication factor.
- Float_t avDrft; // x position of path length segment in cm.
- Float_t avAnode; // Anode for path length segment in Anode number (float)
- Float_t xAnode; // Floating point anode number.
- Float_t driftPath; // avDrft in microns.
- Float_t width; // width of signal at anodes.
- Double_t depEnergy; // Energy deposited in this GEANT step.
- Double_t xL[3],dxL[3]; // local hit coordinates and diff.
- Double_t sigA; // sigma of signal at anode.
- Double_t sigT; // sigma in time/drift direction for track segment
- Double_t aStep,aConst; // sub-pixel size and offset anode
- Double_t tStep,tConst; // sub-pixel size and offset time
- Double_t amplitude; // signal amplitude for track segment in nanoAmpere
- Double_t chargeloss; // charge loss for track segment.
- Double_t anodeAmplitude; // signal amplitude in anode direction
- Double_t aExpo; // exponent of Gaussian anode direction
- Double_t timeAmplitude; // signal amplitude in time direction
- Double_t tExpo; // exponent of Gaussian time direction
-// Double_t tof; // Time of flight in ns of this step.
-
- for(ii=0; ii<nhits; ii++) {
- if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
- depEnergy,itrack)) continue;
- depEnergy *= kconv;
- hitDetector = mod->GetDet();
- //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns.
- //if(tof>sddLength/driftSpeed) continue; // hit happed too late.
-
- // scale path to simulate a perpendicular track
- // continue if the particle did not lose energy
- // passing through detector
- if (!depEnergy) {
- Warning("HitsToAnalogDigits",
- "This particle has passed without losing energy!");
- continue;
- } // end if !depEnergy
-
- pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
-
- if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
- drPath = 10000.*(dxL[0]+2.*xL[0])*0.5;
- if(drPath < 0) drPath = -drPath;
- drPath = sddLength-drPath;
- if(drPath < 0) {
- Warning("HitsToAnalogDigits","negative drift path %e",drPath);
- continue;
- } // end if drPath < 0
-
- // Compute number of segments to brake step path into
- drTime = drPath/driftSpeed; // Drift Time
- sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
- // calcuate the number of time the path length should be split into.
- nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
- if(fFlag) nOfSplits = 1;
-
- // loop over path segments, init. some variables.
- depEnergy /= nOfSplits;
- nOfSplitsF = (Float_t) nOfSplits;
- for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
- kkF = (Float_t) kk + 0.5;
- avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
- avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
- driftPath = 10000.*avDrft;
-
- iWing = 2; // Assume wing is 2
- if(driftPath < 0) { // if wing is not 2 it is 1.
- iWing = 1;
- driftPath = -driftPath;
- } // end if driftPath < 0
- driftPath = sddLength-driftPath;
- detector = 2*(hitDetector-1) + iWing;
- if(driftPath < 0) {
- Warning("HitsToAnalogDigits","Warning: negative drift path %e",
- driftPath);
- continue;
- } // end if driftPath < 0
-
- // Drift Time
- drTime = driftPath/driftSpeed; // drift time for segment.
- timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1);
- // compute time Sample including tof information. The tof only
- // effects the time of the signal is recoreded and not the
- // the defusion.
- // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1);
- if(timeSample > fScaleSize*fMaxNofSamples) {
- Warning("HItsToAnalogDigits","Wrong Time Sample: %e",
- timeSample);
- continue;
- } // end if timeSample > fScaleSize*fMaxNoofSamples
-
- // Anode
- xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1?
- if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.)
- Warning("HitsToAnalogDigits","Z = %e",
- xAnode*anodePitch);
- iAnode = (Int_t) (1.+xAnode); // xAnode?
- if(iAnode < 1 || iAnode > nofAnodes) {
- Warning("HitToAnalogDigits","Wrong iAnode: %d",iAnode);
- continue;
- } // end if iAnode < 1 || iAnode > nofAnodes
+void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
+ // digitize module using the "slow" detector simulator creating
+ // summable digits.
- // store straight away the particle position in the array
- // of particles and take idhit=ii only when part is entering (this
- // requires FillModules() in the macro for analysis) :
+ TObjArray *fHits = mod->GetHits();
+ Int_t nhits = fHits->GetEntriesFast();
+ if( !nhits ) return;
+
+ InitSimulationModule( md, ev );
+ HitsToAnalogDigits( mod ); // fills fHitMap2 which is = fHitSigmap2
+ ChargeToSignal( fModule,kFALSE,kTRUE ); // - Process signal adding gain without adding noise
+ fHitMap2 = fHitNoiMap2; // - Swap to noise map
+ ChargeToSignal( fModule,kTRUE,kFALSE ); // - Process only noise
+ fHitMap2 = fHitSigMap2; // - Return to signal map
+ WriteSDigits();
+ ClearMaps();
+}
+//______________________________________________________________________
+Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray,
+ Int_t mask ) {
+ // Add Summable digits to module maps.
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ Int_t nItems = pItemArray->GetEntries();
+ Double_t maxadc = simpar->GetSDDMaxAdc();
+ Bool_t sig = kFALSE;
- // Sigma along the anodes for track segment.
- sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
- sigT = sigA/driftSpeed;
- // Peak amplitude in nanoAmpere
- amplitude = fScaleSize*160.*depEnergy/
- (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA);
- amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to
- // account for clock variations
- // (reference value: 40 MHz)
- chargeloss = 1.-cHloss*driftPath/1000;
- amplitude *= chargeloss;
- width = 2.*nsigma/(nlookups-1);
- // Spread the charge
- // Pixel index
- ndiv = 2;
- nmul = 3.;
- if(drTime > 1200.) {
- ndiv = 4;
- nmul = 1.5;
- } // end if drTime > 1200.
- // Sub-pixel index
- nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2;
- // Sub-pixel size see computation of aExpo and tExpo.
- aStep = anodePitch/(nsplit*fScaleSize*sigA);
- aConst = xAnode*anodePitch/sigA;
- tStep = timeStep/(nsplit*fScaleSize*sigT);
- tConst = drTime/sigT;
- // Define SDD window corresponding to the hit
- anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1);
- timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
- jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1;
- jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit;
- if(jamin <= 0) jamin = 1;
- if(jamax > fScaleSize*nofAnodes*nsplit)
- jamax = fScaleSize*nofAnodes*nsplit;
- // jtmin and jtmax are Hard-wired
- jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1;
- jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit;
- if(jtmin <= 0) jtmin = 1;
- if(jtmax > fScaleSize*fMaxNofSamples*nsplit)
- jtmax = fScaleSize*fMaxNofSamples*nsplit;
- // Spread the charge in the anode-time window
- for(ka=jamin; ka <=jamax; ka++) {
- ia = (ka-1)/(fScaleSize*nsplit) + 1;
- if(ia <= 0) {
- Warning("HitsToAnalogDigits","ia < 1: ");
- continue;
- } // end if
- if(ia > nofAnodes) ia = nofAnodes;
- aExpo = (aStep*(ka-0.5)-aConst);
- if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
- else {
- dummy = (Int_t) ((aExpo+nsigma)/width);
- anodeAmplitude = amplitude*fResponse->GausLookUp(dummy);
- } // end if TMath::Abs(aEspo) > nsigma
- // index starts from 0
- index = ((detector+1)%2)*nofAnodes+ia-1;
- if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) {
- it = (kt-1)/nsplit+1; // it starts from 1
- if(it<=0){
- Warning("HitsToAnalogDigits","it < 1:");
- continue;
- } // end if
- if(it>fScaleSize*fMaxNofSamples)
- it = fScaleSize*fMaxNofSamples;
- tExpo = (tStep*(kt-0.5)-tConst);
- if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
- else {
- dummy = (Int_t) ((tExpo+nsigma)/width);
- timeAmplitude = anodeAmplitude*
- fResponse->GausLookUp(dummy);
- } // end if TMath::Abs(tExpo) > nsigma
- // build the list of digits for this module
- arg[0] = index;
- arg[1] = it;
- arg[2] = itrack; // track number
- arg[3] = ii-1; // hit number.
- timeAmplitude *= norm;
- timeAmplitude *= 10;
- ListOfFiredCells(arg,timeAmplitude,alst,padr);
- pList->AddSignal(index,it,itrack,ii-1,
- mod->GetIndex(),timeAmplitude);
- } // end if anodeAmplitude and loop over time in window
- } // loop over anodes in window
- } // end loop over "sub-hits"
- } // end loop over hits
+ // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
+ for( Int_t i=0; i<nItems; i++ ) {
+ AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i ));
+ if( pItem->GetModule() != fModule ) {
+ Error( "AliITSsimulationSDD","Error reading, SDigits module "
+ "%d != current module %d: exit",
+ pItem->GetModule(), fModule );
+ return sig;
+ } // end if
+
+ if(pItem->GetSignal()>0.0 ) sig = kTRUE;
+
+ fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise
+ AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() );
+ Double_t sigAE = pItem2->GetSignalAfterElect();
+ if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal
+ Int_t ia;
+ Int_t it;
+ fpList->GetMapIndex( pItem->GetIndex(), ia, it );
+ fHitMap2->SetHit( ia, it, sigAE );
+ fAnodeFire[ia] = kTRUE;
+ }
+ return sig;
+}
+//______________________________________________________________________
+void AliITSsimulationSDD::FinishSDigitiseModule() {
+ // digitize module using the "slow" detector simulator from
+ // the sum of summable digits.
+ FinishDigits() ;
+ ClearMaps();
}
//______________________________________________________________________
-void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,
- TObjArray *alist,TClonesArray *padr){
- // Returns the list of "fired" cells.
-
- Int_t index = arg[0];
- Int_t ik = arg[1];
- Int_t idtrack = arg[2];
- Int_t idhit = arg[3];
- Int_t counter = arg[4];
- Int_t countadr = arg[5];
- Double_t charge = timeAmplitude;
- charge += fHitMap2->GetSignal(index,ik-1);
- fHitMap2->SetHit(index, ik-1, charge);
-
- Int_t digits[3];
- Int_t it = (Int_t)((ik-1)/fScaleSize);
- digits[0] = index;
- digits[1] = it;
- digits[2] = (Int_t)timeAmplitude;
- Float_t phys;
- if (idtrack >= 0) phys = (Float_t)timeAmplitude;
- else phys = 0;
-
- Double_t cellcharge = 0.;
- AliITSTransientDigit* pdigit;
- // build the list of fired cells and update the info
- if (!fHitMap1->TestHit(index, it)) {
- new((*padr)[countadr++]) TVector(3);
- TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
- trinfo(0) = (Float_t)idtrack;
- trinfo(1) = (Float_t)idhit;
- trinfo(2) = (Float_t)timeAmplitude;
-
- alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter);
- fHitMap1->SetHit(index, it, counter);
- counter++;
- pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast());
- // list of tracks
- TObjArray *trlist=(TObjArray*)pdigit->TrackList();
- trlist->Add(&trinfo);
- } else {
- pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it);
- for(Int_t kk=0;kk<fScaleSize;kk++) {
- cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk);
- } // end for kk
- // update charge
- (*pdigit).fSignal = (Int_t)cellcharge;
- (*pdigit).fPhysics += phys;
- // update list of tracks
- TObjArray* trlist = (TObjArray*)pdigit->TrackList();
- Int_t lastentry = trlist->GetLast();
- TVector *ptrkp = (TVector*)trlist->At(lastentry);
- TVector &trinfo = *ptrkp;
- Int_t lasttrack = Int_t(trinfo(0));
- Float_t lastcharge=(trinfo(2));
- if (lasttrack==idtrack ) {
- lastcharge += (Float_t)timeAmplitude;
- trlist->RemoveAt(lastentry);
- trinfo(0) = lasttrack;
- trinfo(1) = idhit;
- trinfo(2) = lastcharge;
- trlist->AddAt(&trinfo,lastentry);
- } else {
- new((*padr)[countadr++]) TVector(3);
- TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
- trinfo(0) = (Float_t)idtrack;
- trinfo(1) = (Float_t)idhit;
- trinfo(2) = (Float_t)timeAmplitude;
- trlist->Add(&trinfo);
- } // end if lasttrack==idtrack
-
-#ifdef print
- // check the track list - debugging
- Int_t trk[20], htrk[20];
- Float_t chtrk[20];
- Int_t nptracks = trlist->GetEntriesFast();
- if (nptracks > 2) {
- Int_t tr;
- for (tr=0;tr<nptracks;tr++) {
- TVector *pptrkp = (TVector*)trlist->At(tr);
- TVector &pptrk = *pptrkp;
- trk[tr] = Int_t(pptrk(0));
- htrk[tr] = Int_t(pptrk(1));
- chtrk[tr] = (pptrk(2));
- cout << "nptracks "<<nptracks << endl;
- } // end for tr
- } // end if nptracks
-#endif
- } // end if pdigit
-
- // update counter and countadr for next call.
- arg[4] = counter;
- arg[5] = countadr;
-}
-//____________________________________________
-
-void AliITSsimulationSDD::AddDigit(Int_t i, Int_t j, Int_t signal){
- // Adds a Digit.
- // tag with -1 signals coming from background tracks
- // tag with -2 signals coming from pure electronic noise
-
- Int_t digits[3], tracks[3], hits[3];
- Float_t phys, charges[3];
+void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
+ // create maps to build the lists of tracks for each digit
- Int_t trk[20], htrk[20];
- Float_t chtrk[20];
+ TObjArray *fHits = mod->GetHits();
+ Int_t nhits = fHits->GetEntriesFast();
- Bool_t do10to8=fResponse->Do10to8();
+ InitSimulationModule( md, ev );
+ if( !nhits ) return;
+
+ HitsToAnalogDigits( mod );
+ ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise
+
+ for( Int_t i=0; i<fNofMaps; i++ ) {
+ for( Int_t j=0; j<fMaxNofSamples; j++ ) {
+ Int_t jdx = j*fScaleSize;
+ Int_t index = fpList->GetHitIndex( i, j );
+ AliITSpListItem pItemTmp2( fModule, index, 0. );
+ // put the fScaleSize analog digits in only one
+ for( Int_t ik=0; ik<fScaleSize; ik++ ) {
+ AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
+ if( pItemTmp == 0 ) continue;
+ pItemTmp2.Add( pItemTmp );
+ }
+ fpList->DeleteHit( i, j );
+ fpList->AddItemTo( 0, &pItemTmp2 );
+ }
+ }
+ FinishDigits();
+ ClearMaps();
+}
+//______________________________________________________________________
+void AliITSsimulationSDD::FinishDigits() {
+ // introduce the electronics effects and do zero-suppression if required
- if(do10to8) signal=Convert8to10(signal);
- AliITSTransientDigit *obj = (AliITSTransientDigit*)fHitMap1->GetHit(i,j);
- digits[0] = i;
- digits[1] = j;
- digits[2] = signal;
- if (!obj) {
- phys=0;
- Int_t k;
- for (k=0;k<3;k++) {
- tracks[k]=-2;
- charges[k]=0;
- hits[k]=-1;
- } // end for k
- fITS->AddSimDigit(1,phys,digits,tracks,hits,charges);
- } else {
- phys=obj->fPhysics;
- TObjArray* trlist=(TObjArray*)obj->TrackList();
- Int_t nptracks=trlist->GetEntriesFast();
- if (nptracks > 20) {
- Warning("AddDigit","nptracks=%d > 20 nptracks set to 20",nptracks);
- nptracks=20;
- } // end if nptracks > 20
- Int_t tr;
- for (tr=0;tr<nptracks;tr++) {
- TVector &pp =*((TVector*)trlist->At(tr));
- trk[tr]=Int_t(pp(0));
- htrk[tr]=Int_t(pp(1));
- chtrk[tr]=(pp(2));
- } // end for tr
- if (nptracks > 1) {
- SortTracks(trk,chtrk,htrk,nptracks);
- } // end if nptracks > 1
- Int_t i;
- if (nptracks < 3 ) {
- for (i=0; i<nptracks; i++) {
- tracks[i]=trk[i];
- charges[i]=chtrk[i];
- hits[i]=htrk[i];
- } // end for i
- for (i=nptracks; i<3; i++) {
- tracks[i]=-3;
- hits[i]=-1;
- charges[i]=0;
- } // end for i
- } else {
- for (i=0; i<3; i++) {
- tracks[i]=trk[i];
- charges[i]=chtrk[i];
- hits[i]=htrk[i];
- } // end for i
- } // end if/else nptracks < 3
+ if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
- fITS->AddSimDigit(1,phys,digits,tracks,hits,charges);
-
- } // end if/else !obj
+ AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
+ Bool_t isZeroSupp = res->GetZeroSupp();
+ if (isZeroSupp) Compress2D();
+ else StoreAllDigits();
}
//______________________________________________________________________
-void AliITSsimulationSDD::SortTracks(Int_t *tracks,Float_t *charges,
- Int_t *hits,Int_t ntr){
- // Sort the list of tracks contributing to a given digit
- // Only the 3 most significant tracks are acctually sorted
- // Loop over signals, only 3 times
-
- Float_t qmax;
- Int_t jmax;
- Int_t idx[3] = {-3,-3,-3};
- Float_t jch[3] = {-3,-3,-3};
- Int_t jtr[3] = {-3,-3,-3};
- Int_t jhit[3] = {-3,-3,-3};
- Int_t i,j,imax;
-
- if (ntr<3) imax = ntr;
- else imax = 3;
- for(i=0;i<imax;i++){
- qmax = 0;
- jmax = 0;
- for(j=0;j<ntr;j++){
- if((i == 1 && j == idx[i-1] )
- ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue;
- if(charges[j] > qmax) {
- qmax = charges[j];
- jmax=j;
- } // end if charges[j]>qmax
- } // end for j
- if(qmax > 0) {
- idx[i] = jmax;
- jch[i] = charges[jmax];
- jtr[i] = tracks[jmax];
- jhit[i] = hits[jmax];
- } // end if qmax > 0
- } // end for i
-
- for(i=0;i<3;i++){
- if (jtr[i] == -3) {
- charges[i] = 0;
- tracks[i] = -3;
- hits[i] = -1;
- } else {
- charges[i] = jch[i];
- tracks[i] = jtr[i];
- hits[i] = jhit[i];
- } // end if jtr[i] == -3
- } // end for i
+void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
+ // create maps to build the lists of tracks for each digit
+ AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
+ AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ TObjArray *hits = mod->GetHits();
+ Int_t nhits = hits->GetEntriesFast();
+
+ // Int_t arg[6] = {0,0,0,0,0,0};
+ Int_t nofAnodes = fNofMaps/2;
+ Double_t sddLength = seg->Dx();
+ Double_t anodePitch = seg->Dpz(0);
+ Double_t timeStep = seg->Dpx(0);
+ Double_t driftSpeed ; // drift velocity (anode dependent)
+ Double_t nanoampToADC = simpar->GetSDDMaxAdc()/simpar->GetSDDDynamicRange(); // maxadc/topValue;
+ Double_t cHloss = simpar->GetSDDChargeLoss();
+ Float_t dfCoeff, s1;
+ simpar->GetSDDDiffCoeff(dfCoeff,s1); // Signal 2d Shape
+ Double_t eVpairs = simpar->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
+ Double_t nsigma = simpar->GetNSigmaIntegration(); //
+ Int_t nlookups = simpar->GetGausNLookUp(); //
+ Float_t jitter = simpar->GetSDDJitterError(); //
+ Float_t trigDelay = simpar->GetSDDTrigDelay(); // compensation for MC time zero
+ if(res->IsAMAt20MHz()) trigDelay+=12.5; // compensation for discretization step
+ Float_t timeZero=fDetType->GetResponseSDD()->GetTimeZero(fModule);
+
+ // Piergiorgio's part (apart for few variables which I made float
+ // when i thought that can be done
+ // Fill detector maps with GEANT hits
+ // loop over hits in the module
+
+ const Float_t kconv = 1.0e+6; // GeV->KeV
+ Int_t itrack = 0;
+ Int_t iWing; // which detector wing/side.
+ Int_t ii,kk,ka,kt; // loop indexs
+ Int_t ia,it,index; // sub-pixel integration indexies
+ Int_t iAnode; // anode number.
+ Int_t timeSample; // time buckett.
+ Int_t anodeWindow; // anode direction charge integration width
+ Int_t timeWindow; // time direction charge integration width
+ Int_t jamin,jamax; // anode charge integration window
+ Int_t jtmin,jtmax; // time charge integration window
+ Int_t nsplitAn; // the number of splits in anode and time windows
+ Int_t nsplitTb; // the number of splits in anode and time windows
+ Int_t nOfSplits; // number of times track length is split into
+ Float_t nOfSplitsF; // Floating point version of nOfSplits.
+ Float_t kkF; // Floating point version of loop index kk.
+ Double_t pathInSDD; // Track length in SDD.
+ Double_t drPath; // average position of track in detector. in microns
+ Double_t drTime; // Drift time
+ Double_t avDrft; // x position of path length segment in cm.
+ Double_t avAnode; // Anode for path length segment in Anode number (float)
+ Double_t zAnode; // Floating point anode number.
+ Double_t driftPath; // avDrft in microns.
+ Double_t width; // width of signal at anodes.
+ Double_t depEnergy; // Energy deposited in this GEANT step.
+ Double_t xL[3],dxL[3]; // local hit coordinates and diff.
+ Double_t sigA; // sigma of signal at anode.
+ Double_t sigT; // sigma in time/drift direction for track segment
+ Double_t aStep,aConst; // sub-pixel size and offset anode
+ Double_t tStep,tConst; // sub-pixel size and offset time
+ Double_t amplitude; // signal amplitude for track segment in nanoAmpere
+ Double_t chargeloss; // charge loss for track segment.
+ Double_t anodeAmplitude; // signal amplitude in anode direction
+ Double_t aExpo; // exponent of Gaussian anode direction
+ Double_t timeAmplitude; // signal amplitude in time direction
+ Double_t tExpo; // exponent of Gaussian time direction
+ Double_t tof; // Time of flight in ns of this step.
+
+ for(ii=0; ii<nhits; ii++) {
+ if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
+ depEnergy,itrack)) continue;
+ Float_t xloc=xL[0];
+ if(xloc>0) iWing=0; // left side, carlos channel 0
+ else iWing=1; // right side
+
+ Float_t zloc=xL[2]+0.5*dxL[2];
+ zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511.
+ driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
+ if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
+ AliWarning("Time Interval > Allowed Time Interval");
+ }
+ depEnergy *= kconv;
+ if (!depEnergy) {
+ AliDebug(1,
+ Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
+ itrack,ii,mod->GetIndex()));
+ continue;
+ // continue if the particle did not lose energy
+ // passing through detector
+ } // end if !depEnergy
+
+ tof=0.;
+ AliITShit* h=(AliITShit*)hits->At(ii);
+ if(h){
+ tof=h->GetTOF()*1E9;
+ AliDebug(1,Form("TOF for hit %d on mod %d (particle %d)=%g",ii,fModule,h->Track(),tof));
+ }
+
+ xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
+ pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
+
+ if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
+ drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5);
+ drPath = sddLength-drPath;
+ if(drPath < 0) {
+ AliDebug(1, // this should be fixed at geometry level
+ Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
+ drPath,sddLength,dxL[0],xL[0]));
+ continue;
+ } // end if drPath < 0
+
+ // Compute number of segments to brake step path into
+ drTime = drPath/driftSpeed; // Drift Time
+ sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
+ // calcuate the number of time the path length should be split into.
+ nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
+ if(fFlag) nOfSplits = 1;
+
+ // loop over path segments, init. some variables.
+ depEnergy /= nOfSplits;
+ nOfSplitsF = (Float_t) nOfSplits;
+ Float_t theAverage=0.,theSteps=0.;
+ for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
+ kkF = (Float_t) kk + 0.5;
+ avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
+ avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
+ theSteps+=1.;
+ theAverage+=avAnode;
+ zAnode = seg->GetAnodeFromLocal(avDrft,avAnode);
+ driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
+ driftPath = TMath::Abs(10000.*avDrft);
+ driftPath = sddLength-driftPath;
+ if(driftPath < 0) {
+ AliDebug(1, // this should be fixed at geometry level
+ Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
+ driftPath,sddLength,avDrft,dxL[0],xL[0]));
+ continue;
+ } // end if driftPath < 0
+ drTime = driftPath/driftSpeed; // drift time for segment.
+ // Sigma along the anodes for track segment.
+ sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
+ sigT = sigA/driftSpeed;
+
+ drTime+=tof; // take into account Time Of Flight from production point
+ drTime-=trigDelay;
+ drTime+=timeZero;
+ timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1.001); // time bin in range 1-256 !!!
+ if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256.
+ iAnode = (Int_t) (1.001+zAnode); // iAnode in range 1-256 !!!!
+
+ // Peak amplitude in nanoAmpere
+ amplitude = fScaleSize*160.*depEnergy/
+ (timeStep*eVpairs*2.*acos(-1.));
+ chargeloss = 1.-cHloss*driftPath/1000.;
+ amplitude *= chargeloss;
+ width = 2.*nsigma/(nlookups-1);
+ // Spread the charge
+ nsplitAn = 4;
+ nsplitTb=4;
+ aStep = anodePitch/(nsplitAn*sigA);
+ aConst = zAnode*anodePitch/sigA;
+ tStep = timeStep/(nsplitTb*fScaleSize*sigT);
+ tConst = drTime/sigT;
+ // Define SDD window corresponding to the hit
+ anodeWindow = (Int_t)(nsigma*sigA/anodePitch+1);
+ timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
+ jamin = (iAnode - anodeWindow - 2)*nsplitAn+1;
+ if(jamin <= 0) jamin = 1;
+ if(jamin > nofAnodes*nsplitAn){
+ AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode min=%d",jamin));
+ continue;
+ }
+ jamax = (iAnode + anodeWindow + 2)*nsplitAn;
+ if(jamax > nofAnodes*nsplitAn) jamax = nofAnodes*nsplitAn;
+ if(jamax <=0){
+ AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode max=%d",jamax));
+ continue;
+ }
+ jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1;
+ if(jtmin <= 0) jtmin = 1;
+ if(jtmin > fScaleSize*fMaxNofSamples*nsplitTb){
+ AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample min=%d tof=%f",jtmin,tof));
+ continue;
+ }
+ jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb;
+ if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb) jtmax = fScaleSize*fMaxNofSamples*nsplitTb;
+ if(jtmax <= 0){
+ AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample max=%d tof=%f",jtmax,tof));
+ continue;
+ }
+
+ // Spread the charge in the anode-time window
+ for(ka=jamin; ka <=jamax; ka++) {
+ ia = (ka-1)/nsplitAn + 1;
+ if(ia <= 0) ia=1;
+ if(ia > nofAnodes) ia = nofAnodes;
+ aExpo = (aStep*(ka-0.5)-aConst);
+ if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
+ else {
+ Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5);
+ anodeAmplitude = amplitude*simpar->GetGausLookUp(theBin);
+ }
+ // index starts from 0
+ index = iWing*nofAnodes+ia-1;
+ if(anodeAmplitude){
+ for(kt=jtmin; kt<=jtmax; kt++) {
+ it = (kt-1)/nsplitTb+1; // it starts from 1
+ if(it<=0) it=1;
+ if(it>fScaleSize*fMaxNofSamples)
+ it = fScaleSize*fMaxNofSamples;
+ tExpo = (tStep*(kt-0.5)-tConst);
+ if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
+ else {
+ Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5);
+ timeAmplitude = anodeAmplitude*simpar->GetGausLookUp(theBin)*aStep*tStep;
+ }
+ timeAmplitude *= nanoampToADC;
+ // ListOfFiredCells(arg,timeAmplitude,alst,padr);
+ Double_t charge = timeAmplitude;
+ charge += fHitMap2->GetSignal(index,it-1);
+ fHitMap2->SetHit(index, it-1, charge);
+ fpList->AddSignal(index,it-1,itrack,ii-1,
+ mod->GetIndex(),timeAmplitude);
+ fAnodeFire[index] = kTRUE;
+ } // end loop over time in window
+ } // end if anodeAmplitude
+ } // loop over anodes in window
+ } // end loop over "sub-hits"
+ } // end loop over hits
}
-//______________________________________________________________________
-void AliITSsimulationSDD::ChargeToSignal() {
- // add baseline, noise, electronics and ADC saturation effects
-
- char opt1[20], opt2[20];
- fResponse->ParamOptions(opt1,opt2);
- char *read = strstr(opt1,"file");
- Float_t baseline, noise;
-
- if (read) {
- static Bool_t readfile=kTRUE;
- //read baseline and noise from file
- if (readfile) ReadBaseline();
- readfile=kFALSE;
- } else fResponse->GetNoiseParam(noise,baseline);
-
- Float_t contrib=0;
- Int_t i,k,kk;
- Float_t maxadc = fResponse->MaxAdc();
- if(!fDoFFT) {
- for (i=0;i<fNofMaps;i++) {
- if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
- for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
- fInZR[k] = fHitMap2->GetSignal(i,k);
- contrib = (baseline + noise*gRandom->Gaus());
- fInZR[k] += contrib;
- } // end for k
- for(k=0; k<fMaxNofSamples; k++) {
- Double_t newcont = 0.;
- Double_t maxcont = 0.;
- for(kk=0;kk<fScaleSize;kk++) {
- newcont = fInZR[fScaleSize*k+kk];
- if(newcont > maxcont) maxcont = newcont;
- } // end for kk
- newcont = maxcont;
- if (newcont >= maxadc) newcont = maxadc -1;
- if(newcont >= baseline){
- Warning("","newcont=%d>=baseline=%d",newcont,baseline);
- } // end if
- // back to analog: ?
- fHitMap2->SetHit(i,k,newcont);
- } // end for k
- } // end for i loop over anodes
- return;
- } // end if DoFFT
- for (i=0;i<fNofMaps;i++) {
- if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
- for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
- fInZR[k] = fHitMap2->GetSignal(i,k);
- contrib = (baseline + noise*gRandom->Gaus());
- fInZR[k] += contrib;
- fInZI[k] = 0.;
- } // end for k
- FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1);
- for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
- Double_t rw = fElectronics->GetTraFunReal(k);
- Double_t iw = fElectronics->GetTraFunImag(k);
- fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
- fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
- } // end for k
- FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1);
- for(k=0; k<fMaxNofSamples; k++) {
- Double_t newcont1 = 0.;
- Double_t maxcont1 = 0.;
- for(kk=0;kk<fScaleSize;kk++) {
- newcont1 = fOutZR[fScaleSize*k+kk];
- if(newcont1 > maxcont1) maxcont1 = newcont1;
- } // end for kk
- newcont1 = maxcont1;
- if (newcont1 >= maxadc) newcont1 = maxadc -1;
- fHitMap2->SetHit(i,k,newcont1);
- } // end for k
- } // end for i loop over anodes
+//____________________________________________
+void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) {
+ // Adds a Digit.
+ Int_t size = AliITSdigit::GetNTracks();
+
+ Int_t digits[3];
+ Int_t * tracks = new Int_t[size];
+ Int_t * hits = new Int_t[size];
+ Float_t phys;
+ Float_t * charges = new Float_t[size];
+
+ digits[0] = i;
+ digits[1] = j;
+ digits[2] = signalc;
+
+ AliITSpListItem *pItem = fpList->GetpListItem( i, j );
+ if( pItem == 0 ) {
+ phys = 0.0;
+ for( Int_t l=0; l<size; l++ ) {
+ tracks[l] = 0;
+ hits[l] = 0;
+ charges[l] = 0.0;
+ }
+ } else {
+ Int_t idtrack = pItem->GetTrack( 0 );
+ if( idtrack >= 0 ) phys = pItem->GetSignal();
+ else phys = 0.0;
+
+ for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
+ tracks[l] = pItem->GetTrack( l );
+ hits[l] = pItem->GetHit( l );
+ charges[l] = pItem->GetSignal( l );
+ }else{
+ tracks[l] = -3;
+ hits[l] = -1;
+ charges[l] = 0.0;
+ }// end for if
+ }
+
+ fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale );
+ delete [] tracks;
+ delete [] hits;
+ delete [] charges;
+}
+//______________________________________________________________________
+void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) {
+ // add baseline, noise, gain, electronics and ADC saturation effects
+ // apply dead channels
+
+ AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
+ Double_t baseline=0;
+ Double_t noise=0;
+ Double_t gain=0;
+ Float_t contrib=0;
+ Int_t i,k,kk;
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ Float_t maxadc = simpar->GetSDDMaxAdc();
+ Int_t nGroup=fScaleSize;
+ if(res->IsAMAt20MHz()){
+ nGroup=fScaleSize/2;
+ }
+
+ for (i=0;i<fNofMaps;i++) {
+ if( !fAnodeFire[i] ) continue;
+ baseline = res->GetBaseline(i);
+ noise = res->GetNoise(i);
+ gain = res->GetChannelGain(i)/fDetType->GetAverageGainSDD();
+ if(res->IsBad()) gain=0.;
+ if( res->IsChipBad(res->GetChip(i)) )gain=0.;
+ for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
+ fInZR[k] = fHitMap2->GetSignal(i,k);
+ if(bAddGain) fInZR[k]*=gain;
+ if( bAddNoise ) {
+ contrib = (baseline + noise*gRandom->Gaus());
+ fInZR[k] += contrib;
+ }
+ fInZI[k] = 0.;
+ } // end for k
+ if(!fDoFFT) {
+ for(k=0; k<fMaxNofSamples; k++) {
+ Double_t newcont = 0.;
+ Double_t maxcont = 0.;
+ for(kk=0;kk<fScaleSize;kk++) {
+ newcont = fInZR[fScaleSize*k+kk];
+ if(newcont > maxcont) maxcont = newcont;
+ } // end for kk
+ newcont = maxcont;
+ if (newcont >= maxadc) newcont = maxadc -1;
+ if(newcont >= baseline){
+ Warning("","newcont=%f>=baseline=%f",newcont,baseline);
+ } // end if
+ // back to analog: ?
+ fHitMap2->SetHit(i,k,newcont);
+ } // end for k
+ }else{
+ FastFourierTransform(&fInZR[0],&fInZI[0],1);
+ for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
+ Double_t rw = fElectronics->GetTraFunReal(k);
+ Double_t iw = fElectronics->GetTraFunImag(k);
+ fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
+ fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
+ } // end for k
+ FastFourierTransform(&fOutZR[0],&fOutZI[0],-1);
+ for(k=0; k<fMaxNofSamples; k++) {
+ Double_t newcont1 = 0.;
+ Double_t maxcont1 = 0.;
+ for(kk=0;kk<nGroup;kk++) {
+ newcont1 = fOutZR[fScaleSize*k+kk];
+ if(newcont1 > maxcont1) maxcont1 = newcont1;
+ } // end for kk
+ newcont1 = maxcont1;
+ if (newcont1 >= maxadc) newcont1 = maxadc -1;
+ fHitMap2->SetHit(i,k,newcont1);
+ } // end for k
+ }
+ } // end for i loop over anodes
return;
}
-//______________________________________________________________________
-void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline,
- Float_t &noise){
- // Returns the Baseline for a particular anode.
- baseline = fBaseline[i];
- noise = fNoise[i];
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl,
- Int_t &th){
- // Returns the compression alogirthm parameters
- Int_t size = fD.GetSize();
- if (size > 2 ) {
- db=fD[i]; tl=fT1[i]; th=fT2[i];
- } else {
- if (size <= 2 && i>=fNofMaps/2) {
- db=fD[1]; tl=fT1[1]; th=fT2[1];
- } else {
- db=fD[0]; tl=fT1[0]; th=fT2[0];
- } // end if size <=2 && i>=fNofMaps/2
- } // end if size >2
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){
- // returns the compression alogirthm parameters
- Int_t size = fD.GetSize();
- if (size > 2 ) {
- db=fD[i]; tl=fT1[i];
- } else {
- if (size <= 2 && i>=fNofMaps/2) {
- db=fD[1]; tl=fT1[1];
- } else {
- db=fD[0]; tl=fT1[0];
- } // end if size <=2 && i>=fNofMaps/2
- } // end if size > 2
-}
//______________________________________________________________________
-void AliITSsimulationSDD::SetCompressParam(){
- // Sets the compression alogirthm parameters
- Int_t cp[8],i;
+void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) {
+ // function add the crosstalk effect to signal
+ // temporal function, should be checked...!!!
+
+ // create and inizialice crosstalk map
+ Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
+ memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
+ AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
+ for( Int_t z=0; z<fNofMaps; z++ ) {
+ Double_t baseline = calibr->GetBaseline(z);
+ Bool_t on = kFALSE;
+ Int_t tstart = 0;
+ Int_t tstop = 0;
+ Int_t nTsteps = 0;
+
+ for( Int_t l=0; l<fMaxNofSamples; l++ ) {
+ Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l );
+ if( fadc > baseline ) {
+ if( on == kFALSE && l<fMaxNofSamples-4 ) {
+ Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 );
+ if( fadc1 < fadc ) continue;
+ on = kTRUE;
+ nTsteps = 0;
+ tstart = l;
+ }
+ nTsteps++;
+ }
+ else { // end fadc > baseline
+ if( on == kTRUE ) {
+ if( nTsteps > 2 ) {
+ tstop = l;
+ // make smooth derivative
+ Float_t* dev = new Float_t[fMaxNofSamples+1];
+ memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
+ for( Int_t i=tstart; i<tstop; i++ ) {
+ if( i > 2 && i < fMaxNofSamples-2 )
+ dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
+ -0.1*fHitMap2->GetSignal( z,i-1 )
+ +0.1*fHitMap2->GetSignal( z,i+1 )
+ +0.2*fHitMap2->GetSignal( z,i+2 );
+ }
+
+ // add crosstalk contribution to neibourg anodes
+ for( Int_t i=tstart; i<tstop; i++ ) {
+ Int_t anode = z - 1;
+ Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); //
+ Float_t ctktmp = -dev[i1] * 0.25;
+ if( anode > 0 ) {
+ ctk[anode*fMaxNofSamples+i] += ctktmp;
+ }
+ anode = z + 1;
+ if( anode < fNofMaps ) {
+ ctk[anode*fMaxNofSamples+i] += ctktmp;
+ }
+ }
+ delete [] dev;
+
+ } // if( nTsteps > 2 )
+ on = kFALSE;
+ } // if( on == kTRUE )
+ } // else
+ }
+ }
+
+ for( Int_t a=0; a<fNofMaps; a++ )
+ for( Int_t t=0; t<fMaxNofSamples; t++ ) {
+ Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t];
+ fHitMap2->SetHit( a, t, signal );
+ }
- fResponse->GiveCompressParam(cp);
- for (i=0; i<2; i++) {
- fD[i] = cp[i];
- fT1[i] = cp[i+2];
- fT2[i] = cp[i+4];
- fTol[i] = cp[i+6];
- } // end for i
+ delete [] ctk;
}
-//______________________________________________________________________
-void AliITSsimulationSDD::ReadBaseline(){
- // read baseline and noise from file - either a .root file and in this
- // case data should be organised in a tree with one entry for each
- // module => reading should be done accordingly
- // or a classic file and do smth. like this:
- // Read baselines and noise for SDD
-
- Int_t na,pos;
- Float_t bl,n;
- char input[100], base[100], param[100];
- char *filtmp;
- fResponse->Filenames(input,base,param);
- fFileName=base;
-//
- filtmp = gSystem->ExpandPathName(fFileName.Data());
- FILE *bline = fopen(filtmp,"r");
- na = 0;
-
- if(bline) {
- while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) {
- if (pos != na+1) {
- Error("ReadBaseline","Anode number not in increasing order!",
- filtmp);
- exit(1);
- } // end if pos != na+1
- fBaseline[na]=bl;
- fNoise[na]=n;
- na++;
- } // end while
- } else {
- Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp);
- exit(1);
- } // end if(bline)
-
- fclose(bline);
- delete [] filtmp;
-}
//______________________________________________________________________
Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
// To the 10 to 8 bit lossive compression.
}
//______________________________________________________________________
Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const {
- // Undo the lossive 10 to 8 bit compression.
- // code from Davide C. and Albert W.
- if (signal < 0 || signal > 255) {
- Warning("Convert8to10","out of range signal=%d",signal);
- return 0;
- } // end if signal <0 || signal >255
-
- if (signal < 128) return signal;
- if (signal < 192) {
- if (TMath::Odd(signal)) return (128+((signal-128)<<1));
- else return (128+((signal-128)<<1)+1);
- } // end if signal < 192
- if (signal < 224) {
- if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
- else return (256+((signal-192)<<3)+4);
- } // end if signal < 224
- if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
- return (512+((signal-224)<<4)+7);
-}
-//______________________________________________________________________
-AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){
- //Return the correct map.
-
- return ((i==0)? fHitMap1 : fHitMap2);
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::ZeroSuppression(const char *option) {
- // perform the zero suppresion
+ // Decompression from 8 to 10 bit
- if (strstr(option,"2D")) {
- //Init2D(); // activate if param change module by module
- Compress2D();
- } else if (strstr(option,"1D")) {
- //Init1D(); // activate if param change module by module
- Compress1D();
- } else StoreAllDigits();
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::Init2D(){
- // read in and prepare arrays: fD, fT1, fT2
- // savemu[nanodes], savesigma[nanodes]
- // read baseline and noise from file - either a .root file and in this
- // case data should be organised in a tree with one entry for each
- // module => reading should be done accordingly
- // or a classic file and do smth. like this ( code from Davide C. and
- // Albert W.) :
- // Read 2D zero-suppression parameters for SDD
-
- if (!strstr(fParam,"file")) return;
-
- Int_t na,pos,tempTh;
- Float_t mu,sigma;
- Float_t *savemu = new Float_t [fNofMaps];
- Float_t *savesigma = new Float_t [fNofMaps];
- char input[100],basel[100],par[100];
- char *filtmp;
- Int_t minval = fResponse->MinVal();
-
- fResponse->Filenames(input,basel,par);
- fFileName = par;
-//
- filtmp = gSystem->ExpandPathName(fFileName.Data());
- FILE *param = fopen(filtmp,"r");
- na = 0;
-
- if(param) {
- while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
- if (pos != na+1) {
- Error("Init2D","Anode number not in increasing order!",filtmp);
- exit(1);
- } // end if pos != na+1
- savemu[na] = mu;
- savesigma[na] = sigma;
- if ((2.*sigma) < mu) {
- fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
- mu = 2.0 * sigma;
- } else fD[na] = 0;
- tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT1[na] = tempTh;
- tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT2[na] = tempTh;
- na++;
- } // end while
- } else {
- Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp);
- exit(1);
- } // end if(param)
+ if (signal < 0 || signal > 255) {
+ AliWarning(Form("Signal value %d out of range",signal));
+ return 0;
+ } // end if signal <0 || signal >255
- fclose(param);
- delete [] filtmp;
- delete [] savemu;
- delete [] savesigma;
+ if (signal < 128) return signal;
+ if (signal < 192) {
+ if (TMath::Odd(signal)) return (128+((signal-128)<<1));
+ else return (128+((signal-128)<<1)+1);
+ } // end if signal < 192
+ if (signal < 224) {
+ if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
+ else return (256+((signal-192)<<3)+4);
+ } // end if signal < 224
+ if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
+ return (512+((signal-224)<<4)+8);
}
//______________________________________________________________________
void AliITSsimulationSDD::Compress2D(){
- // simple ITS cluster finder -- online zero-suppression conditions
-
- Int_t db,tl,th;
- Int_t minval = fResponse->MinVal();
- Bool_t write = fResponse->OutputOption();
- Bool_t do10to8 = fResponse->Do10to8();
- Int_t nz, nl, nh, low, i, j;
-
- for (i=0; i<fNofMaps; i++) {
- CompressionParam(i,db,tl,th);
- nz = 0;
- nl = 0;
- nh = 0;
- low = 0;
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
- signal -= db; // if baseline eq. is done here
- if (signal <= 0) {nz++; continue;}
- if ((signal - tl) < minval) low++;
- if ((signal - th) >= minval) {
- nh++;
- Bool_t cond=kTRUE;
- FindCluster(i,j,signal,minval,cond);
- if(cond && j &&
- ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){
- if(do10to8) signal = Convert10to8(signal);
- AddDigit(i,j,signal);
- } // end if cond&&j&&()
- } else if ((signal - tl) >= minval) nl++;
- } // end for j loop time samples
- if (write) TreeB()->Fill(nz,nl,nh,low,i+1);
- } //end for i loop anodes
-
- char hname[30];
- if (write) {
- sprintf(hname,"TNtuple%d_%d",fModule,fEvent);
- TreeB()->Write(hname);
- // reset tree
- TreeB()->Reset();
- } // end if write
+ // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10
+ AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
+ for (Int_t iWing=0; iWing<2; iWing++) {
+ Int_t tL=res->GetZSLowThreshold(iWing);
+ Int_t tH=res->GetZSHighThreshold(iWing);
+ for (Int_t i=0; i<fNofMaps/2; i++) {
+ Int_t ian=i+iWing*fNofMaps/2;
+ if( !fAnodeFire[ian] ) continue;
+ for (Int_t itb=0; itb<fMaxNofSamples; itb++) {
+ Int_t nLow=0, nHigh=0;
+ Float_t cC=fHitMap2->GetSignal(ian,itb);
+ if(cC<=tL) continue;
+ nLow++; // cC is greater than tL
+ if(cC>tH) nHigh++;
+ // N
+ // Get "quintuple": WCE
+ // S
+ Float_t wW=0.;
+ if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1);
+ if(wW>tL) nLow++;
+ if(wW>tH) nHigh++;
+ Float_t eE=0.;
+ if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1);
+ if(eE>tL) nLow++;
+ if(eE>tH) nHigh++;
+ Float_t nN=0.;
+ if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb);
+ if(nN>tL) nLow++;
+ if(nN>tH) nHigh++;
+ Float_t sS=0.;
+ if(i>0) sS=fHitMap2->GetSignal(ian-1,itb);
+ if(sS>tL) nLow++;
+ if(sS>tH) nHigh++;
+
+ if(nLow>=2 && nHigh>=1){
+ Int_t signal=(Int_t)cC;
+ Int_t signalc = Convert10to8(signal);
+ Int_t signale = Convert8to10(signalc);
+ signalc-=tL; // subtract low threshold after 10 to 8 bit compression
+ if(signalc>=4) AddDigit(ian,itb,signalc,signale); // store C
+ }
+ }
+ }
+ }
}
-//______________________________________________________________________
-void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal,
- Int_t minval,Bool_t &cond){
- // Find clusters according to the online 2D zero-suppression algorithm
- Bool_t do10to8 = fResponse->Do10to8();
- Bool_t high = kFALSE;
- fHitMap2->FlagHit(i,j);
-//
-// check the online zero-suppression conditions
-//
- const Int_t kMaxNeighbours = 4;
- Int_t nn;
- Int_t dbx,tlx,thx;
- Int_t xList[kMaxNeighbours], yList[kMaxNeighbours];
- fSegmentation->Neighbours(i,j,&nn,xList,yList);
- Int_t in,ix,iy,qns;
- for (in=0; in<nn; in++) {
- ix=xList[in];
- iy=yList[in];
- if (fHitMap2->TestHit(ix,iy)==kUnused) {
- CompressionParam(ix,dbx,tlx,thx);
- Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy));
- qn -= dbx; // if baseline eq. is done here
- if ((qn-tlx) < minval) {
- fHitMap2->FlagHit(ix,iy);
- continue;
- } else {
- if ((qn - thx) >= minval) high=kTRUE;
- if (cond) {
- if(do10to8) signal = Convert10to8(signal);
- AddDigit(i,j,signal);
- } // end if cond
- if(do10to8) qns = Convert10to8(qn);
- else qns=qn;
- if (!high) AddDigit(ix,iy,qns);
- cond=kFALSE;
- if(!high) fHitMap2->FlagHit(ix,iy);
- } // end if qn-tlx < minval
- } // end if TestHit
- } // end for in loop over neighbours
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::Init1D(){
- // this is just a copy-paste of input taken from 2D algo
- // Torino people should give input
- // Read 1D zero-suppression parameters for SDD
- if (!strstr(fParam,"file")) return;
-
- Int_t na,pos,tempTh;
- Float_t mu,sigma;
- Float_t *savemu = new Float_t [fNofMaps];
- Float_t *savesigma = new Float_t [fNofMaps];
- char input[100],basel[100],par[100];
- char *filtmp;
- Int_t minval = fResponse->MinVal();
-
- fResponse->Filenames(input,basel,par);
- fFileName=par;
-
-// set first the disable and tol param
- SetCompressParam();
-//
- filtmp = gSystem->ExpandPathName(fFileName.Data());
- FILE *param = fopen(filtmp,"r");
- na = 0;
-
- if (param) {
- fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]);
- while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
- if (pos != na+1) {
- Error("Init1D","Anode number not in increasing order!",filtmp);
- exit(1);
- } // end if pos != na+1
- savemu[na]=mu;
- savesigma[na]=sigma;
- if ((2.*sigma) < mu) {
- fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
- mu = 2.0 * sigma;
- } else fD[na] = 0;
- tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT1[na] = tempTh;
- na++;
- } // end while
- } else {
- Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp);
- exit(1);
- } // end if(param)
-
- fclose(param);
- delete [] filtmp;
- delete [] savemu;
- delete [] savesigma;
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::Compress1D(){
- // 1D zero-suppression algorithm (from Gianluca A.)
- Int_t dis,tol,thres,decr,diff;
- UChar_t *str=fStream->Stream();
- Int_t counter=0;
- Bool_t do10to8=fResponse->Do10to8();
- Int_t last=0;
- Int_t k,i,j;
-
- for (k=0; k<2; k++) {
- tol = Tolerance(k);
- dis = Disable(k);
- for (i=0; i<fNofMaps/2; i++) {
- Bool_t firstSignal=kTRUE;
- Int_t idx=i+k*fNofMaps/2;
- CompressionParam(idx,decr,thres);
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j));
- signal -= decr; // if baseline eq.
- if(do10to8) signal = Convert10to8(signal);
- if (signal <= thres) {
- signal=0;
- diff=128;
- last=0;
- // write diff in the buffer for HuffT
- str[counter]=(UChar_t)diff;
- counter++;
- continue;
- } // end if signal <= thres
- diff=signal-last;
- if (diff > 127) diff=127;
- if (diff < -128) diff=-128;
- if (signal < dis) {
- // tol has changed to 8 possible cases ? - one can write
- // this if(TMath::Abs(diff)<tol) ... else ...
- if(TMath::Abs(diff)<tol) diff=0;
- // or keep it as it was before
- /*
- if (tol==1 && (diff >= -2 && diff <= 1)) diff=0;
- if (tol==2 && (diff >= -4 && diff <= 3)) diff=0;
- if (tol==3 && (diff >= -16 && diff <= 15)) diff=0;
- */
- AddDigit(idx,j,last+diff);
- } else {
- AddDigit(idx,j,signal);
- } // end if singal < dis
- diff += 128;
- // write diff in the buffer used to compute Huffman tables
- if (firstSignal) str[counter]=(UChar_t)signal;
- else str[counter]=(UChar_t)diff;
- counter++;
- last=signal;
- firstSignal=kFALSE;
- } // end for j loop time samples
- } // end for i loop anodes one half of detector
- } // end for k
-
- // check
- fStream->CheckCount(counter);
-
- // open file and write out the stream of diff's
- static Bool_t open=kTRUE;
- static TFile *outFile;
- Bool_t write = fResponse->OutputOption();
-
- if (write ) {
- if(open) {
- SetFileName("stream.root");
- cout<<"filename "<<fFileName<<endl;
- outFile=new TFile(fFileName,"recreate");
- cout<<"I have opened "<<fFileName<<" file "<<endl;
- } // end if open
- open = kFALSE;
- outFile->cd();
- fStream->Write();
- } // endif write
-
- fStream->ClearStream();
-
- // back to galice.root file
-
- TTree *fAli=gAlice->TreeK();
- TFile *file = 0;
-
- if (fAli) file =fAli->GetCurrentFile();
- file->cd();
-}
//______________________________________________________________________
void AliITSsimulationSDD::StoreAllDigits(){
- // if non-zero-suppressed data
- Bool_t do10to8 = fResponse->Do10to8();
- Int_t i, j, digits[3];
-
- for (i=0; i<fNofMaps; i++) {
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
- if(do10to8) signal = Convert10to8(signal);
- if(do10to8) signal = Convert8to10(signal);
- digits[0] = i;
- digits[1] = j;
- digits[2] = signal;
- fITS->AddRealDigit(1,digits);
- } // end for j
- } // end for i
+ // store digits for non-zero-suppressed data
+ for (Int_t ian=0; ian<fNofMaps; ian++) {
+ for (Int_t itb=0; itb<fMaxNofSamples; itb++){
+ Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb));
+ Int_t signalc = Convert10to8(signal);
+ Int_t signale = Convert8to10(signalc);
+ AddDigit(ian,itb,signalc,signale);
+ }
+ }
}
//______________________________________________________________________
void AliITSsimulationSDD::CreateHistograms(Int_t scale){
- // Creates histograms of maps for debugging
- Int_t i;
-
- fHis=new TObjArray(fNofMaps);
- for (i=0;i<fNofMaps;i++) {
- TString sddName("sdd_");
- Char_t candNum[4];
- sprintf(candNum,"%d",i+1);
- sddName.Append(candNum);
- fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
- 0.,(Float_t) scale*fMaxNofSamples), i);
- } // end for i
+ // Creates histograms of maps for debugging
+ Int_t i;
+
+ fHis=new TObjArray(fNofMaps);
+ for (i=0;i<fNofMaps;i++) {
+ TString sddName;
+ sddName.Form("sdd_%d",i+1);
+ fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
+ 0.,(Float_t) scale*fMaxNofSamples), i);
+ } // end for i
}
//______________________________________________________________________
void AliITSsimulationSDD::FillHistograms(){
if (!fHis) return;
for( Int_t i=0; i<fNofMaps; i++) {
- TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
- Int_t nsamples = hist->GetNbinsX();
- for( Int_t j=0; j<nsamples; j++) {
- Double_t signal=fHitMap2->GetSignal(i,j);
- hist->Fill((Float_t)j,signal);
- } // end for j
+ TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
+ Int_t nsamples = hist->GetNbinsX();
+ for( Int_t j=0; j<nsamples; j++) {
+ Double_t signal=fHitMap2->GetSignal(i,j);
+ hist->Fill((Float_t)j,signal);
+ } // end for j
} // end for i
}
//______________________________________________________________________
Int_t i;
for (i=0;i<fNofMaps;i++ ) {
- if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
+ if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
} // end for i
}
//______________________________________________________________________
if (!fHis) return 0;
if(wing <=0 || wing > 2) {
- Warning("GetAnode","Wrong wing number: %d",wing);
- return NULL;
+ Warning("GetAnode","Wrong wing number: %d",wing);
+ return NULL;
} // end if wing <=0 || wing >2
if(anode <=0 || anode > fNofMaps/2) {
- Warning("GetAnode","Wrong anode number: %d",anode);
- return NULL;
+ Warning("GetAnode","Wrong anode number: %d",anode);
+ return NULL;
} // end if ampde <=0 || andoe > fNofMaps/2
Int_t index = (wing-1)*fNofMaps/2 + anode-1;
return;
}
//______________________________________________________________________
-Float_t AliITSsimulationSDD::GetNoise() {
- // Returns the noise value
- //Bool_t do10to8=fResponse->Do10to8();
- //noise will always be in the liniar part of the signal
- Int_t decr;
- Int_t threshold = fT1[0];
- char opt1[20], opt2[20];
-
- fResponse->ParamOptions(opt1,opt2);
- fParam=opt2;
- char *same = strstr(opt1,"same");
- Float_t noise,baseline;
- if (same) {
- fResponse->GetNoiseParam(noise,baseline);
- } else {
- static Bool_t readfile=kTRUE;
- //read baseline and noise from file
- if (readfile) ReadBaseline();
- readfile=kFALSE;
- } // end if same
-
- TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2");
- if(c2) delete c2->GetPrimitive("noisehist");
- if(c2) delete c2->GetPrimitive("anode");
- else c2=new TCanvas("c2");
- c2->cd();
- c2->SetFillColor(0);
-
- TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold);
- TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,
- (float)fMaxNofSamples);
- Int_t i,k;
- for (i=0;i<fNofMaps;i++) {
- CompressionParam(i,decr,threshold);
- if (!same) GetAnodeBaseline(i,baseline,noise);
- anode->Reset();
- for (k=0;k<fMaxNofSamples;k++) {
- Float_t signal=(Float_t)fHitMap2->GetSignal(i,k);
- //if (signal <= (float)threshold) noisehist->Fill(signal-baseline);
- if (signal <= (float)threshold) noisehist->Fill(signal);
- anode->Fill((float)k,signal);
- } // end for k
- anode->Draw();
- c2->Update();
- } // end for i
- TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold);
- noisehist->Fit("gnoise","RQ");
- noisehist->Draw();
- c2->Update();
- Float_t mnoise = gnoise->GetParameter(1);
- cout << "mnoise : " << mnoise << endl;
- Float_t rnoise = gnoise->GetParameter(2);
- cout << "rnoise : " << rnoise << endl;
- delete noisehist;
- return rnoise;
-}//______________________________________________________________________
-void AliITSsimulationSDD::WriteSDigits(AliITSpList *pList){
+void AliITSsimulationSDD::WriteSDigits(){
// Fills the Summable digits Tree
- Int_t i,ni,j,nj;
static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
- pList->GetMaxMapIndex(ni,nj);
- for(i=0;i<ni;i++)for(j=0;j<nj;j++){
- if(pList->GetSignalOnly(i,j)>0.5*fT1[0]){ // above small threshold.
- aliITS->AddSumDigit(*(pList->GetpListItem(i,j)));
-// cout << "pListSDD: " << *(pList->GetpListItem(i,j)) << endl;
- } // end if
- } // end for i,j
+ for( Int_t i=0; i<fNofMaps; i++ ) {
+ if( !fAnodeFire[i] ) continue;
+ for( Int_t j=0; j<fMaxNofSamples; j++ ) {
+ Double_t sig = fHitMap2->GetSignal( i, j );
+ if( sig > 0.2 ) {
+ Int_t jdx = j*fScaleSize;
+ Int_t index = fpList->GetHitIndex( i, j );
+ AliITSpListItem pItemTmp2( fModule, index, 0. );
+ // put the fScaleSize analog digits in only one
+ for( Int_t ik=0; ik<fScaleSize; ik++ ) {
+ AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik);
+ if( pItemTmp == 0 ) continue;
+ pItemTmp2.Add( pItemTmp );
+ }
+ pItemTmp2.AddSignalAfterElect( fModule, index, sig );
+ pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j));
+ aliITS->AddSumDigit( pItemTmp2 );
+ } // end if (sig > 0.2)
+ }
+ }
return;
}
//______________________________________________________________________
-void AliITSsimulationSDD::Print() {
+void AliITSsimulationSDD::PrintStatus() const {
// Print SDD simulation Parameters
cout << "**************************************************" << endl;
cout << " Silicon Drift Detector Simulation Parameters " << endl;
cout << "**************************************************" << endl;
cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
- cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl;
cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
- cout << "Number pf Anodes used: " << fNofMaps << endl;
+ cout << "Number of Anodes used: " << fNofMaps << endl;
cout << "Number of Time Samples: " << fMaxNofSamples << endl;
cout << "Scale size factor: " << fScaleSize << endl;
cout << "**************************************************" << endl;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff