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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 | ||
16 | /* | |
17 | $Log$ | |
c4aa8648 | 18 | Revision 1.3 2000/06/30 12:07:49 kowal2 |
19 | Updated from the TPC-PreRelease branch | |
20 | ||
73042f01 | 21 | Revision 1.2.4.3 2000/06/26 07:39:42 kowal2 |
22 | Changes to obey the coding rules | |
23 | ||
24 | Revision 1.2.4.2 2000/06/25 08:38:41 kowal2 | |
25 | Splitted from AliTPCtracking | |
26 | ||
27 | Revision 1.2.4.1 2000/06/14 16:45:13 kowal2 | |
28 | Improved algorithms. Compiler warnings removed. | |
29 | ||
30 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
31 | removed obsolete AliTPCDigitsDisplay.C | |
32 | ||
cc80f89e | 33 | Revision 1.1.4.2 2000/04/10 11:37:42 kowal2 |
34 | ||
35 | Digits handling in a new data structure | |
36 | ||
37 | */ | |
38 | ||
73042f01 | 39 | // |
cc80f89e | 40 | |
41 | /////////////////////////////////////////////////////////////////////////////// | |
42 | // // | |
43 | // Alice segment manager object // | |
44 | // | |
45 | // AliSimDigits object (derived from AliDigits) // | |
46 | // provide additional track information to digit // | |
47 | // | |
48 | // Origin: Marian Ivanov GSI Darmstadt // | |
49 | // | |
50 | // // | |
51 | // // | |
52 | /////////////////////////////////////////////////////////////////////////////// | |
53 | ||
54 | #include "TClass.h" | |
55 | #include <iostream.h> | |
56 | #include "TError.h" | |
57 | #include "AliSegmentID.h" | |
58 | #include "AliH2F.h" | |
59 | #include "AliArrayI.h" | |
60 | #include "AliArrayS.h" | |
61 | #include "AliDigits.h" | |
62 | #include "AliSimDigits.h" | |
63 | #include "AliTPC.h" | |
c4aa8648 | 64 | #include <TClonesArray.h> |
cc80f89e | 65 | |
66 | ||
67 | ||
68 | //_____________________________________________________________________________ | |
69 | //_____________________________________________________________________________ | |
70 | //_____________________________________________________________________________ | |
71 | ClassImp(AliSimDigits) | |
72 | ||
73 | AliSimDigits::AliSimDigits() | |
74 | { | |
75 | // AliDigits::Invalite(); | |
76 | fTracks = 0; | |
77 | fTrIndex = 0; | |
78 | InvalidateTrack(); | |
79 | } | |
80 | AliSimDigits::~AliSimDigits() | |
81 | { | |
c4aa8648 | 82 | |
83 | if (fTracks != 0) { | |
84 | delete fTracks; | |
85 | } | |
86 | if (fTrIndex != 0) { | |
87 | delete fTrIndex; | |
88 | } | |
cc80f89e | 89 | |
90 | } | |
91 | ||
92 | void AliSimDigits::InvalidateTrack() | |
93 | { | |
94 | // | |
95 | //set default (invalid parameters) | |
96 | if ( fTracks != 0) delete fTracks; | |
97 | fTracks = new AliArrayI; | |
98 | if ( fTrIndex != 0) delete fTrIndex; | |
99 | fTrIndex = new AliArrayI; | |
100 | ||
101 | for (Int_t i = 0; i<3; i++){ | |
102 | fTracks->Set(0); | |
103 | fTrIndex->Set(0); | |
104 | } | |
105 | } | |
106 | ||
107 | void AliSimDigits::AllocateTrack(Int_t length) | |
108 | { | |
109 | // | |
110 | //construct empty buffer fElements and fTracks with size fNrows x fNcols x | |
111 | //length | |
112 | InvalidateTrack(); | |
113 | fNlevel = length; | |
114 | fTracks->Set(fNcols*fNrows*fNlevel); | |
115 | fTrIndex->Set(0); | |
116 | fTrBufType =0; | |
117 | } | |
118 | ||
119 | Int_t AliSimDigits::GetTrackID(Int_t row, Int_t column, Int_t level) | |
120 | { | |
121 | // | |
122 | //Get track ID | |
123 | if (fTrBufType == 0) return GetTrackIDFast(row, column,level); | |
124 | if (fTrBufType == 1) return GetTrackID1(row, column,level); | |
125 | if (fTrBufType == 2) return GetTrackID2(row, column,level); | |
126 | return 0; | |
127 | } | |
128 | ||
129 | void AliSimDigits::ExpandTrackBuffer() | |
130 | { | |
131 | // | |
132 | //expand buffer to two dimensional array | |
133 | if (fTrBufType<0) { | |
134 | Error("ExpandBuffer", "buffer doesn't exist"); | |
135 | return; | |
136 | } | |
137 | if (fTrBufType==0) return; //buffer expanded | |
138 | if (fTrBufType==1) {ExpandTrackBuffer1(); return;} | |
139 | if (fTrBufType==2) ExpandTrackBuffer2(); | |
140 | ||
141 | } | |
142 | ||
143 | void AliSimDigits::CompresTrackBuffer(Int_t bufType) | |
144 | { | |
145 | // | |
146 | //compres buffer according buffertype algorithm | |
147 | // | |
148 | if (fTrBufType<0) { | |
149 | Error("CompressBuffer", "buffer doesn't exist"); | |
150 | return; | |
151 | } | |
152 | if (fTrBufType == bufType) return; | |
153 | // | |
154 | if (fTrBufType>0) ExpandTrackBuffer(); | |
155 | if (fTrBufType !=0) { | |
156 | Error("CompressBuffer", "buffer doesn't exist"); | |
157 | return; | |
158 | } | |
159 | //compress buffer of type 1 | |
160 | ||
161 | if (bufType==1) {CompresTrackBuffer1();return;} | |
162 | if (bufType==2) CompresTrackBuffer2(); | |
163 | ||
164 | } | |
165 | ||
166 | Int_t AliSimDigits::GetTrackID1(Int_t row, Int_t column, Int_t level) | |
167 | { | |
168 | //return track ID of digits - for buffer compresion 2 | |
169 | Int_t i,n1,n2; | |
170 | i = level*fNcols+column; | |
171 | if ( (i+1)>=fTrIndex->fN) n2 = fTracks->fN; | |
172 | else | |
173 | n2 = fTrIndex->At(i+1); | |
174 | n1 = fTrIndex->At(i); | |
175 | Int_t rownew = 0; | |
176 | Int_t rowold=0; | |
73042f01 | 177 | Int_t id; |
cc80f89e | 178 | for (i = n1;(i<n2);i++){ |
73042f01 | 179 | id = 0; |
cc80f89e | 180 | Int_t num = fTracks->At(i); |
181 | if (num<0) { | |
182 | rownew-=num; | |
183 | rowold = rownew; | |
184 | i++; | |
185 | if (i<n2){ | |
186 | num = fTracks->At(i); | |
187 | rownew+=num; | |
188 | i++; | |
73042f01 | 189 | id = fTracks->At(i); |
cc80f89e | 190 | } |
191 | } | |
192 | else { | |
193 | rowold = rownew; | |
194 | rownew+=num; | |
195 | i++; | |
73042f01 | 196 | id = fTracks->At(i); |
cc80f89e | 197 | } |
73042f01 | 198 | id-=2; |
199 | if ( (row>=rowold) && (row<=rownew) ) return id; | |
cc80f89e | 200 | if (row < rownew ) return -2; //empty track |
201 | } | |
202 | return -2; | |
203 | } | |
204 | ||
205 | void AliSimDigits::ExpandTrackBuffer1() | |
206 | { | |
207 | // | |
73042f01 | 208 | //expand track compressed according algorithm 1 (track id comression independent to the digit compression) |
cc80f89e | 209 | // !!in expanded tracks we don't use fTrIndex array |
210 | // | |
211 | fTrBufType = 0; | |
212 | Int_t i,j; | |
213 | Int_t all = fNrows*fNcols; //total number of digits | |
214 | Int_t elems = all*fNlevel; //length of the buffer | |
215 | ||
216 | AliArrayI * buf = new AliArrayI; | |
217 | buf->Set(elems); | |
218 | fTrIndex->Set(0); | |
219 | // | |
220 | Int_t level = 0; | |
221 | Int_t col=0; | |
222 | Int_t row = 0; | |
73042f01 | 223 | Int_t n=fTracks->fN; |
cc80f89e | 224 | // |
73042f01 | 225 | for (i=0;i<n;i++){ |
cc80f89e | 226 | //oposite signa means how many unwrited (under threshold) values |
227 | Int_t num = fTracks->At(i); | |
228 | if (num<0) row-=num; //negative number mean number of zeroes (no tracks of gibven level no need to write to array) | |
229 | else { | |
230 | i++; | |
73042f01 | 231 | Int_t id = fTracks->At(i); |
232 | for (j = 0; j<num; j++,row++) (*buf)[level*all+col*fNrows+row]=id; | |
cc80f89e | 233 | } |
234 | if (row>=fNrows) { | |
235 | row=0; | |
236 | col++; | |
237 | } | |
238 | if (col>=fNcols) { | |
239 | col=0; | |
240 | level++; | |
241 | } | |
242 | }//end of loop over digits | |
243 | delete fTracks; | |
244 | fTracks = buf; | |
245 | } | |
246 | ||
247 | void AliSimDigits::CompresTrackBuffer1() | |
248 | { | |
249 | // | |
73042f01 | 250 | //comress track according algorithm 1 (track id comression independent to the digit compression) |
cc80f89e | 251 | // |
252 | fTrBufType = 1; | |
253 | ||
254 | AliArrayI * buf = new AliArrayI; //create new buffer | |
255 | buf->Set(fNrows*fNcols*fNlevel); //lets have the nearly the "worst case" | |
256 | AliArrayI * index = new AliArrayI; | |
257 | index->Set(fNcols*fNlevel); | |
258 | ||
259 | Int_t icurrent=-1; //current index | |
260 | Int_t izero; //number of zero | |
73042f01 | 261 | Int_t inum; //number of digits with the same current track id |
262 | Int_t lastID =0; //last track id | |
cc80f89e | 263 | for (Int_t lev =0; lev<fNlevel; lev++){ //loop over levels |
264 | for (Int_t col = 0; col<fNcols; col++){ //loop over columns | |
265 | izero = 0; | |
266 | inum = 0; | |
267 | lastID = 0; | |
268 | (*index)[lev*fNcols+col]=icurrent+1;//set collumn pointer | |
73042f01 | 269 | Int_t id=0; //current id |
cc80f89e | 270 | for (Int_t row = 0; row< fNrows;row++){ //loop over rows |
73042f01 | 271 | id = GetTrackIDFast(row,col,lev); |
272 | if (id <= 0) { | |
cc80f89e | 273 | if ( inum> 0 ) { //if we have some tracks in buffer |
274 | icurrent++; | |
275 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2); | |
276 | (*buf)[icurrent] = inum; | |
277 | icurrent++; | |
278 | (*buf)[icurrent] = lastID; | |
279 | inum = 0; | |
280 | lastID = 0; | |
281 | } | |
282 | izero++; | |
283 | } | |
284 | else | |
73042f01 | 285 | if (id != lastID) |
cc80f89e | 286 | if ( izero > 0 ) { |
287 | //if we have currently izero count of non tracks digits | |
288 | icurrent++; | |
289 | if (icurrent>=buf->fN) buf->Expand(icurrent*2); | |
290 | (*buf)[icurrent]= -izero; //write how many under zero | |
291 | inum++; | |
292 | izero = 0; | |
73042f01 | 293 | lastID = id; |
cc80f89e | 294 | } |
295 | else{ | |
73042f01 | 296 | //if we change track id from another track id |
cc80f89e | 297 | icurrent++; |
298 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2); | |
299 | (*buf)[icurrent] = inum; | |
300 | icurrent++; | |
301 | (*buf)[icurrent] = lastID; | |
73042f01 | 302 | lastID = id; |
cc80f89e | 303 | inum = 1; |
304 | izero = 0; | |
305 | } | |
306 | else { | |
307 | inum++; | |
308 | } | |
309 | ||
310 | }//end of loop over rows | |
311 | if ( izero > 0 ) { | |
312 | //if we have currently izero count of non tracks digits | |
313 | icurrent++; | |
314 | if (icurrent>=buf->fN) buf->Expand(icurrent*2); | |
315 | (*buf)[icurrent]= -izero; //write how many under zero | |
316 | } | |
317 | if ( inum> 0 ) { //if we have some tracks in buffer | |
318 | icurrent++; | |
319 | if ((icurrent+1)>=buf->fN) buf->Expand(icurrent*2); | |
320 | (*buf)[icurrent] = inum; | |
321 | icurrent++; | |
73042f01 | 322 | (*buf)[icurrent] = id; |
cc80f89e | 323 | } |
324 | }//end of loop over columns | |
325 | }//end of loop over differnet track level | |
326 | buf->Expand(icurrent+1); | |
327 | delete fTracks; | |
328 | fTracks = buf; | |
329 | delete fTrIndex; | |
330 | fTrIndex = index; | |
331 | } | |
332 | ||
333 | ||
334 | ||
335 | void AliSimDigits::ExpandTrackBuffer2() | |
336 | { | |
337 | // | |
73042f01 | 338 | //comress track according algorithm 2 (track id comression according digit compression) |
cc80f89e | 339 | fTrBufType = 0; |
340 | } | |
341 | ||
342 | void AliSimDigits::CompresTrackBuffer2() | |
343 | { | |
344 | // | |
73042f01 | 345 | //comress track according algorithm 2 (track id comression according digit compression) |
cc80f89e | 346 | fTrBufType = 2; |
347 | } | |
348 | ||
349 | ||
350 | Int_t AliSimDigits::GetTrackID2(Int_t row, Int_t column, Int_t level) | |
351 | { | |
73042f01 | 352 | //returnb track id of digits - for buffer compresion 2 |
cc80f89e | 353 | return -2; |
354 | } | |
355 | ||
356 | ||
357 | ||
358 | AliH2F * AliSimDigits::DrawTracks( const char *option,Int_t level, | |
359 | Float_t x1, Float_t x2, Float_t y1, Float_t y2) | |
360 | { | |
361 | // | |
362 | //draw digits in given array | |
363 | // | |
364 | //make digits histo | |
365 | char ch[30]; | |
366 | sprintf(ch,"Track Segment_%d level %d ",GetID(),level ); | |
367 | if ( (fNrows<1)|| (fNcols<1)) { | |
368 | return 0; | |
369 | } | |
370 | AliH2F * his = new AliH2F("Track histo",ch,fNrows,0,fNrows,fNcols,0,fNcols); | |
371 | ExpandTrackBuffer(); | |
372 | //set histogram values | |
373 | for (Int_t i = 0; i<fNrows;i++) | |
374 | for (Int_t j = 0; j<fNcols;j++) | |
375 | his->Fill(i,j,GetTrackIDFast(i,j,level)); | |
376 | if (x1>=0) { | |
377 | AliH2F *h2fsub = his->GetSubrange2d(x1,x2,y1,y2); | |
378 | delete his; | |
379 | his=h2fsub; | |
380 | } | |
381 | if (his==0) return 0; | |
382 | if (option!=0) his->Draw(option); | |
383 | else his->Draw(); | |
384 | return his; | |
385 | } | |
386 | ||
387 | TClonesArray * AliSimDigits::GenerTPCClonesArray(TClonesArray * arr) | |
388 | { | |
389 | // | |
390 | //generate TClonnesArray of digits | |
391 | // | |
392 | TClonesArray * digits; | |
393 | if (arr==0) digits=new TClonesArray("AliTPCdigit",300); | |
394 | else digits = arr; | |
395 | Int_t index = digits->GetEntriesFast(); | |
396 | for (Int_t row =0; row<fNrows; row++) | |
397 | for (Int_t col =0; col<fNcols; col++){ | |
398 | Int_t amp = GetDigit(row,col); | |
399 | if (amp>GetThreshold()){ | |
400 | AliTPCdigit dig; | |
401 | dig.fPad = col; | |
402 | dig.fTime = row; | |
403 | dig.fSignal= amp; | |
404 | dig.fPadRow =fSegmentID; | |
405 | dig.fSector =fSegmentID; | |
406 | dig.fTracks[0]= GetTrackID(row,col,0); | |
407 | dig.fTracks[1]= GetTrackID(row,col,1); | |
408 | dig.fTracks[2]= GetTrackID(row,col,2); | |
409 | TClonesArray &ldigits = *digits; | |
410 | new(ldigits[index++]) AliTPCdigit(dig); | |
411 | } | |
412 | } | |
413 | return digits; | |
414 | } | |
415 |