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cc80f89e | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
cc80f89e | 17 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Alice segment manager object // | |
88cb7938 | 21 | // AliSimDigits object (derived from AliDigits) // |
cc80f89e | 22 | // provide additional track information to digit // |
88cb7938 | 23 | // Origin: Marian Ivanov GSI Darmstadt // |
24 | // // | |
cc80f89e | 25 | // // |
cc80f89e | 26 | /////////////////////////////////////////////////////////////////////////////// |
27 | ||
28 | #include "TClass.h" | |
19364939 | 29 | #include <Riostream.h> |
cc80f89e | 30 | #include "TError.h" |
31 | #include "AliSegmentID.h" | |
32 | #include "AliH2F.h" | |
33 | #include "AliArrayI.h" | |
34 | #include "AliArrayS.h" | |
35 | #include "AliDigits.h" | |
36 | #include "AliSimDigits.h" | |
6d75e4b6 | 37 | #include "AliTPCdigit.h" |
c4aa8648 | 38 | #include <TClonesArray.h> |
cc80f89e | 39 | |
40 | ||
41 | ||
42 | //_____________________________________________________________________________ | |
43 | //_____________________________________________________________________________ | |
44 | //_____________________________________________________________________________ | |
45 | ClassImp(AliSimDigits) | |
46 | ||
47 | AliSimDigits::AliSimDigits() | |
48 | { | |
49 | // AliDigits::Invalite(); | |
50 | fTracks = 0; | |
51 | fTrIndex = 0; | |
52 | InvalidateTrack(); | |
53 | } | |
54 | AliSimDigits::~AliSimDigits() | |
55 | { | |
c4aa8648 | 56 | |
57 | if (fTracks != 0) { | |
58 | delete fTracks; | |
59 | } | |
60 | if (fTrIndex != 0) { | |
61 | delete fTrIndex; | |
62 | } | |
cc80f89e | 63 | |
64 | } | |
65 | ||
66 | void AliSimDigits::InvalidateTrack() | |
67 | { | |
68 | // | |
69 | //set default (invalid parameters) | |
70 | if ( fTracks != 0) delete fTracks; | |
71 | fTracks = new AliArrayI; | |
72 | if ( fTrIndex != 0) delete fTrIndex; | |
73 | fTrIndex = new AliArrayI; | |
74 | ||
75 | for (Int_t i = 0; i<3; i++){ | |
76 | fTracks->Set(0); | |
77 | fTrIndex->Set(0); | |
78 | } | |
79 | } | |
80 | ||
81 | void AliSimDigits::AllocateTrack(Int_t length) | |
82 | { | |
83 | // | |
84 | //construct empty buffer fElements and fTracks with size fNrows x fNcols x | |
85 | //length | |
86 | InvalidateTrack(); | |
87 | fNlevel = length; | |
88 | fTracks->Set(fNcols*fNrows*fNlevel); | |
89 | fTrIndex->Set(0); | |
90 | fTrBufType =0; | |
91 | } | |
92 | ||
93 | Int_t AliSimDigits::GetTrackID(Int_t row, Int_t column, Int_t level) | |
94 | { | |
95 | // | |
96 | //Get track ID | |
97 | if (fTrBufType == 0) return GetTrackIDFast(row, column,level); | |
98 | if (fTrBufType == 1) return GetTrackID1(row, column,level); | |
99 | if (fTrBufType == 2) return GetTrackID2(row, column,level); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | void AliSimDigits::ExpandTrackBuffer() | |
104 | { | |
105 | // | |
106 | //expand buffer to two dimensional array | |
107 | if (fTrBufType<0) { | |
108 | Error("ExpandBuffer", "buffer doesn't exist"); | |
109 | return; | |
110 | } | |
111 | if (fTrBufType==0) return; //buffer expanded | |
112 | if (fTrBufType==1) {ExpandTrackBuffer1(); return;} | |
113 | if (fTrBufType==2) ExpandTrackBuffer2(); | |
114 | ||
115 | } | |
116 | ||
117 | void AliSimDigits::CompresTrackBuffer(Int_t bufType) | |
118 | { | |
119 | // | |
120 | //compres buffer according buffertype algorithm | |
121 | // | |
122 | if (fTrBufType<0) { | |
123 | Error("CompressBuffer", "buffer doesn't exist"); | |
124 | return; | |
125 | } | |
126 | if (fTrBufType == bufType) return; | |
127 | // | |
128 | if (fTrBufType>0) ExpandTrackBuffer(); | |
129 | if (fTrBufType !=0) { | |
130 | Error("CompressBuffer", "buffer doesn't exist"); | |
131 | return; | |
132 | } | |
133 | //compress buffer of type 1 | |
134 | ||
135 | if (bufType==1) {CompresTrackBuffer1();return;} | |
136 | if (bufType==2) CompresTrackBuffer2(); | |
137 | ||
138 | } | |
139 | ||
140 | Int_t AliSimDigits::GetTrackID1(Int_t row, Int_t column, Int_t level) | |
141 | { | |
142 | //return track ID of digits - for buffer compresion 2 | |
143 | Int_t i,n1,n2; | |
144 | i = level*fNcols+column; | |
145 | if ( (i+1)>=fTrIndex->fN) n2 = fTracks->fN; | |
146 | else | |
147 | n2 = fTrIndex->At(i+1); | |
148 | n1 = fTrIndex->At(i); | |
149 | Int_t rownew = 0; | |
150 | Int_t rowold=0; | |
73042f01 | 151 | Int_t id; |
cc80f89e | 152 | for (i = n1;(i<n2);i++){ |
73042f01 | 153 | id = 0; |
cc80f89e | 154 | Int_t num = fTracks->At(i); |
155 | if (num<0) { | |
156 | rownew-=num; | |
157 | rowold = rownew; | |
158 | i++; | |
159 | if (i<n2){ | |
160 | num = fTracks->At(i); | |
161 | rownew+=num; | |
162 | i++; | |
73042f01 | 163 | id = fTracks->At(i); |
cc80f89e | 164 | } |
165 | } | |
166 | else { | |
167 | rowold = rownew; | |
168 | rownew+=num; | |
169 | i++; | |
73042f01 | 170 | id = fTracks->At(i); |
cc80f89e | 171 | } |
73042f01 | 172 | id-=2; |
babd135a | 173 | if ( (row>=rowold) && (row<rownew) ) return id; |
cc80f89e | 174 | if (row < rownew ) return -2; //empty track |
175 | } | |
176 | return -2; | |
177 | } | |
178 | ||
179 | void AliSimDigits::ExpandTrackBuffer1() | |
180 | { | |
181 | // | |
73042f01 | 182 | //expand track compressed according algorithm 1 (track id comression independent to the digit compression) |
cc80f89e | 183 | // !!in expanded tracks we don't use fTrIndex array |
184 | // | |
185 | fTrBufType = 0; | |
186 | Int_t i,j; | |
187 | Int_t all = fNrows*fNcols; //total number of digits | |
188 | Int_t elems = all*fNlevel; //length of the buffer | |
189 | ||
190 | AliArrayI * buf = new AliArrayI; | |
191 | buf->Set(elems); | |
192 | fTrIndex->Set(0); | |
193 | // | |
194 | Int_t level = 0; | |
195 | Int_t col=0; | |
196 | Int_t row = 0; | |
73042f01 | 197 | Int_t n=fTracks->fN; |
cc80f89e | 198 | // |
73042f01 | 199 | for (i=0;i<n;i++){ |
cc80f89e | 200 | //oposite signa means how many unwrited (under threshold) values |
201 | Int_t num = fTracks->At(i); | |
202 | if (num<0) row-=num; //negative number mean number of zeroes (no tracks of gibven level no need to write to array) | |
203 | else { | |
a97dda3d | 204 | num %= 10000000; //PH: take into account the case of underlying events |
cc80f89e | 205 | i++; |
73042f01 | 206 | Int_t id = fTracks->At(i); |
3789f4fd | 207 | for (j = 0; j<num; j++,row++) { |
208 | if (level*all+col*fNrows+row<elems) (*buf)[level*all+col*fNrows+row]=id; | |
209 | } | |
cc80f89e | 210 | } |
211 | if (row>=fNrows) { | |
212 | row=0; | |
213 | col++; | |
214 | } | |
215 | if (col>=fNcols) { | |
216 | col=0; | |
217 | level++; | |
218 | } | |
219 | }//end of loop over digits | |
220 | delete fTracks; | |
221 | fTracks = buf; | |
222 | } | |
223 | ||
224 | void AliSimDigits::CompresTrackBuffer1() | |
225 | { | |
226 | // | |
73042f01 | 227 | //comress track according algorithm 1 (track id comression independent to the digit compression) |
cc80f89e | 228 | // |
229 | fTrBufType = 1; | |
230 | ||
231 | AliArrayI * buf = new AliArrayI; //create new buffer | |
232 | buf->Set(fNrows*fNcols*fNlevel); //lets have the nearly the "worst case" | |
233 | AliArrayI * index = new AliArrayI; | |
234 | index->Set(fNcols*fNlevel); | |
407ff276 | 235 | // Int_t * pindex = |
cc80f89e | 236 | |
407ff276 | 237 | |
cc80f89e | 238 | Int_t icurrent=-1; //current index |
239 | Int_t izero; //number of zero | |
73042f01 | 240 | Int_t inum; //number of digits with the same current track id |
407ff276 | 241 | Int_t lastID =0; //last track id |
242 | ||
243 | Int_t *cbuff=fTracks->GetArray(); //MI change | |
244 | ||
cc80f89e | 245 | for (Int_t lev =0; lev<fNlevel; lev++){ //loop over levels |
246 | for (Int_t col = 0; col<fNcols; col++){ //loop over columns | |
247 | izero = 0; | |
248 | inum = 0; | |
249 | lastID = 0; | |
250 | (*index)[lev*fNcols+col]=icurrent+1;//set collumn pointer | |
73042f01 | 251 | Int_t id=0; //current id |
407ff276 | 252 | for (Int_t row = 0; row< fNrows;row++){ //loop over rows |
253 | id = *cbuff; //MI change | |
254 | // id = GetTrackIDFast(row,col,lev); | |
73042f01 | 255 | if (id <= 0) { |
cc80f89e | 256 | if ( inum> 0 ) { //if we have some tracks in buffer |
257 | icurrent++; | |
a6bc70e0 | 258 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2+1); //MI change - allocate +1 |
cc80f89e | 259 | (*buf)[icurrent] = inum; |
260 | icurrent++; | |
261 | (*buf)[icurrent] = lastID; | |
262 | inum = 0; | |
263 | lastID = 0; | |
264 | } | |
265 | izero++; | |
266 | } | |
267 | else | |
73042f01 | 268 | if (id != lastID) |
cc80f89e | 269 | if ( izero > 0 ) { |
270 | //if we have currently izero count of non tracks digits | |
271 | icurrent++; | |
a6bc70e0 | 272 | if (icurrent>=buf->fN) buf->Expand(icurrent*2+1); |
cc80f89e | 273 | (*buf)[icurrent]= -izero; //write how many under zero |
274 | inum++; | |
275 | izero = 0; | |
73042f01 | 276 | lastID = id; |
cc80f89e | 277 | } |
278 | else{ | |
73042f01 | 279 | //if we change track id from another track id |
cc80f89e | 280 | icurrent++; |
a6bc70e0 | 281 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2+1); |
cc80f89e | 282 | (*buf)[icurrent] = inum; |
283 | icurrent++; | |
284 | (*buf)[icurrent] = lastID; | |
73042f01 | 285 | lastID = id; |
cc80f89e | 286 | inum = 1; |
287 | izero = 0; | |
288 | } | |
289 | else { | |
290 | inum++; | |
291 | } | |
407ff276 | 292 | cbuff++; //MI change |
293 | }//end of loop over row | |
cc80f89e | 294 | if ( izero > 0 ) { |
295 | //if we have currently izero count of non tracks digits | |
296 | icurrent++; | |
297 | if (icurrent>=buf->fN) buf->Expand(icurrent*2); | |
298 | (*buf)[icurrent]= -izero; //write how many under zero | |
299 | } | |
300 | if ( inum> 0 ) { //if we have some tracks in buffer | |
301 | icurrent++; | |
302 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2); | |
303 | (*buf)[icurrent] = inum; | |
304 | icurrent++; | |
73042f01 | 305 | (*buf)[icurrent] = id; |
cc80f89e | 306 | } |
307 | }//end of loop over columns | |
308 | }//end of loop over differnet track level | |
309 | buf->Expand(icurrent+1); | |
310 | delete fTracks; | |
311 | fTracks = buf; | |
312 | delete fTrIndex; | |
313 | fTrIndex = index; | |
314 | } | |
315 | ||
316 | ||
317 | ||
318 | void AliSimDigits::ExpandTrackBuffer2() | |
319 | { | |
320 | // | |
73042f01 | 321 | //comress track according algorithm 2 (track id comression according digit compression) |
cc80f89e | 322 | fTrBufType = 0; |
323 | } | |
324 | ||
325 | void AliSimDigits::CompresTrackBuffer2() | |
326 | { | |
327 | // | |
73042f01 | 328 | //comress track according algorithm 2 (track id comression according digit compression) |
cc80f89e | 329 | fTrBufType = 2; |
330 | } | |
331 | ||
332 | ||
176aff27 | 333 | Int_t AliSimDigits::GetTrackID2(Int_t /*row*/, Int_t /*column*/, Int_t /*level*/) |
cc80f89e | 334 | { |
73042f01 | 335 | //returnb track id of digits - for buffer compresion 2 |
cc80f89e | 336 | return -2; |
337 | } | |
338 | ||
339 | ||
340 | ||
341 | AliH2F * AliSimDigits::DrawTracks( const char *option,Int_t level, | |
342 | Float_t x1, Float_t x2, Float_t y1, Float_t y2) | |
343 | { | |
344 | // | |
345 | //draw digits in given array | |
346 | // | |
347 | //make digits histo | |
348 | char ch[30]; | |
349 | sprintf(ch,"Track Segment_%d level %d ",GetID(),level ); | |
350 | if ( (fNrows<1)|| (fNcols<1)) { | |
351 | return 0; | |
352 | } | |
353 | AliH2F * his = new AliH2F("Track histo",ch,fNrows,0,fNrows,fNcols,0,fNcols); | |
354 | ExpandTrackBuffer(); | |
355 | //set histogram values | |
356 | for (Int_t i = 0; i<fNrows;i++) | |
357 | for (Int_t j = 0; j<fNcols;j++) | |
358 | his->Fill(i,j,GetTrackIDFast(i,j,level)); | |
359 | if (x1>=0) { | |
360 | AliH2F *h2fsub = his->GetSubrange2d(x1,x2,y1,y2); | |
361 | delete his; | |
362 | his=h2fsub; | |
363 | } | |
364 | if (his==0) return 0; | |
365 | if (option!=0) his->Draw(option); | |
366 | else his->Draw(); | |
367 | return his; | |
368 | } | |
369 | ||
370 | TClonesArray * AliSimDigits::GenerTPCClonesArray(TClonesArray * arr) | |
371 | { | |
372 | // | |
373 | //generate TClonnesArray of digits | |
374 | // | |
375 | TClonesArray * digits; | |
376 | if (arr==0) digits=new TClonesArray("AliTPCdigit",300); | |
377 | else digits = arr; | |
378 | Int_t index = digits->GetEntriesFast(); | |
379 | for (Int_t row =0; row<fNrows; row++) | |
380 | for (Int_t col =0; col<fNcols; col++){ | |
381 | Int_t amp = GetDigit(row,col); | |
382 | if (amp>GetThreshold()){ | |
383 | AliTPCdigit dig; | |
384 | dig.fPad = col; | |
385 | dig.fTime = row; | |
386 | dig.fSignal= amp; | |
387 | dig.fPadRow =fSegmentID; | |
388 | dig.fSector =fSegmentID; | |
116cbefd | 389 | dig.GetTracks()[0]= GetTrackID(row,col,0); |
390 | dig.GetTracks()[1]= GetTrackID(row,col,1); | |
391 | dig.GetTracks()[2]= GetTrackID(row,col,2); | |
cc80f89e | 392 | TClonesArray &ldigits = *digits; |
393 | new(ldigits[index++]) AliTPCdigit(dig); | |
394 | } | |
395 | } | |
396 | return digits; | |
397 | } | |
398 |