1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //_________________________________________________________________________
19 // TOF sdigit: member variables
20 // fSector : TOF sector
22 // fStrip : strips number
23 // fPadx : pad number along x
24 // fPadz : pad number along z
25 // fTdc : TArrayF of TDC values
26 // fAdc : TArrayF of ADC values
28 // Getters, setters and member functions defined here
30 //*-- Authors: F. Pierella, A. Seganti, D. Vicinanza
32 #include <Riostream.h>
38 #include "AliTOFGeometry.h"
39 #include "AliTOFSDigit.h"
41 ClassImp(AliTOFSDigit)
43 ////////////////////////////////////////////////////////////////////////
44 AliTOFSDigit::AliTOFSDigit()
55 ////////////////////////////////////////////////////////////////////////
56 AliTOFSDigit::AliTOFSDigit(Int_t tracknum, Int_t *vol,Float_t *digit)
60 // Constructor of digit object
69 fTdc = new TArrayF(fNDigits);
70 (*fTdc)[0] = digit[0];
71 fAdc = new TArrayF(fNDigits);
72 (*fAdc)[0] = digit[1];
73 fTracks = new TArrayI(kMAXDIGITS*fNDigits);
74 (*fTracks)[0] = tracknum;
75 for (Int_t i = 1; i <kMAXDIGITS*fNDigits; i++) {
80 ////////////////////////////////////////////////////////////////////////
81 AliTOFSDigit::AliTOFSDigit(const AliTOFSDigit & digit)
85 // copy ctor for AliTOFSDigit object
87 fSector = digit.fSector;
88 fPlate = digit.fPlate;
89 fStrip = digit.fStrip;
92 fNDigits = digit.fNDigits;
93 fTdc = new TArrayF(*digit.fTdc);
94 fAdc = new TArrayF(*digit.fAdc);
95 fTracks = new TArrayI(*digit.fTracks);
98 ////////////////////////////////////////////////////////////////////////
99 AliTOFSDigit::AliTOFSDigit(Int_t sector, Int_t plate, Int_t strip, Int_t padx,
100 Int_t padz, Float_t tdc, Float_t adc)
103 // Constructor for sdigit
111 fTdc = new TArrayF(fNDigits);
113 fAdc = new TArrayF(fNDigits);
115 // no tracks were specified, set them to -1
116 fTracks = new TArrayI(kMAXDIGITS*fNDigits);
117 for (Int_t i = 0; i <kMAXDIGITS*fNDigits; i++) {
122 ////////////////////////////////////////////////////////////////////////
123 void AliTOFSDigit::GetLocation(Int_t *Loc) const
126 // Get the coordinates of the digit
127 // in terms of Sector - Plate - Strip - Pad
137 ////////////////////////////////////////////////////////////////////////
138 void AliTOFSDigit::Update(Float_t tdcbin, Int_t tdc, Int_t adc, Int_t track)
141 // Add charge and track
145 Float_t tdcwindow=((Float_t)AliTOFGeometry::TimeDiff())/tdcbin;
146 for (Int_t i = 0; i < fNDigits; i++) {
147 if (TMath::Abs(tdc-fTdc->At(i)) < tdcwindow) {
154 (*fAdc)[sameTime] += static_cast<Float_t>(adc);
155 // update track - find the first -1 value and replace it by the
157 for (Int_t iTrack=0; iTrack<kMAXDIGITS; iTrack++) {
158 if ((*fTracks)[sameTime*kMAXDIGITS+iTrack] == -1) {
159 (*fTracks)[sameTime*kMAXDIGITS+iTrack] = track;
162 // write warning about many tracks going to this pad
163 if (iTrack == kMAXDIGITS) {
164 cerr<<"WARNING: AliTOFSDigit::Update Many hits in the padhit"<<endl;
173 (*fTdc)[fNDigits-1] = tdc;
175 (*fAdc)[fNDigits-1] = adc;
176 fTracks->Set(fNDigits*kMAXDIGITS);
177 (*fTracks)[(fNDigits-1)*kMAXDIGITS] = track;
178 for (Int_t i = 1; i <kMAXDIGITS; i++) {
179 (*fTracks)[(fNDigits-1)*kMAXDIGITS+i] = -1;
185 ////////////////////////////////////////////////////////////////////////
186 void AliTOFSDigit::Update(AliTOFSDigit* sdig)
190 // Perform the sum with sdig
193 // start loop on all sdig locations
194 Int_t nlocations=sdig->GetNDigits();
196 for (Int_t j = 0; j < nlocations; j++) {
197 Float_t tdcbin=50.; // [ps] hardwired for the time being
198 Int_t tdc=(Int_t)sdig->GetTdc(j);
199 Int_t adc=(Int_t)sdig->GetAdc(j);
200 // getting here only the first track number
201 Int_t track=GetTrack(j,0);
205 Float_t tdcwindow=((Float_t)AliTOFGeometry::TimeDiff())/tdcbin;
206 for (Int_t i = 0; i < fNDigits; i++) {
207 if (TMath::Abs(tdc-fTdc->At(i)) < tdcwindow) {
214 (*fAdc)[sameTime] += static_cast<Float_t>(adc);
215 // update track - find the first -1 value and replace it by the
217 for (Int_t iTrack=0; iTrack<kMAXDIGITS; iTrack++) {
218 if ((*fTracks)[sameTime*kMAXDIGITS+iTrack] == -1) {
219 (*fTracks)[sameTime*kMAXDIGITS+iTrack] = track;
222 // write warning about many tracks going to this pad
223 if (iTrack == kMAXDIGITS) {
224 cerr<<"WARNING: AliTOFSDigit::Update Many hits in the padhit"<<endl;
233 (*fTdc)[fNDigits-1] = tdc;
235 (*fAdc)[fNDigits-1] = adc;
236 fTracks->Set(fNDigits*kMAXDIGITS);
237 (*fTracks)[(fNDigits-1)*kMAXDIGITS] = track;
238 for (Int_t i = 1; i <kMAXDIGITS; i++) {
239 (*fTracks)[(fNDigits-1)*kMAXDIGITS+i] = -1;
240 } // for (Int_t i = 1; i <kMAXDIGITS; i++)
241 } // if (sameTime >= 0)
242 } // end loop on sdig locations
245 ////////////////////////////////////////////////////////////////////////
246 AliTOFSDigit::~AliTOFSDigit()
256 ////////////////////////////////////////////////////////////////////////
258 Int_t AliTOFSDigit::GetTotPad() const
261 // Get the "total" index of the pad inside a Sector
262 // starting from the digits data.
265 Int_t pad = fPadx+AliTOFGeometry::NpadX()*(fPadz-1);
271 case 2: before = AliTOFGeometry::NStripC();
273 case 3: before = AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
275 case 4: before = AliTOFGeometry::NStripA() + AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
277 case 5: before = AliTOFGeometry::NStripA() + 2*AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
281 Int_t strip = fStrip+before;
282 Int_t padTot = AliTOFGeometry::NpadX()*AliTOFGeometry::NpadZ()*(strip-1)+pad;