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dee1d5f1 | 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 | ||
5f91c9e8 | 16 | // $Id$ |
13985652 | 17 | // $MpId: AliMpNeighboursPadIterator.cxx,v 1.12 2006/05/24 13:58:46 ivana Exp $ |
5f91c9e8 | 18 | // Category: sector |
19 | // | |
20 | // Class AliMpNeighboursPadIterator | |
21 | // -------------------------------- | |
22 | // Class, which defines an iterator over the pads surrounding a given pad | |
dbe945cc | 23 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 24 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay |
25 | ||
5f91c9e8 | 26 | #include "AliMpNeighboursPadIterator.h" |
27 | #include "AliMpIntPair.h" | |
28 | #include "AliMpSectorSegmentation.h" | |
29 | #include "AliMpRow.h" | |
30 | #include "AliMpConstants.h" | |
31 | ||
63ed9c6b | 32 | #include <TVector2.h> |
5f91c9e8 | 33 | |
13985652 | 34 | /// \cond CLASSIMP |
35 | ClassImp(AliMpNeighboursPadIterator) | |
36 | /// \endcond | |
37 | ||
5f91c9e8 | 38 | const UInt_t AliMpNeighboursPadIterator::fgkInvalidIndex = 9999; |
39 | //never so much neighbours... | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | AliMpNeighboursPadIterator::AliMpNeighboursPadIterator() | |
43 | : AliMpVPadIterator(), | |
44 | fkSegmentation(0), | |
45 | fCenterPad(AliMpPad::Invalid()), | |
46 | fPads(), | |
47 | fIndex(fgkInvalidIndex) | |
48 | { | |
dee1d5f1 | 49 | /// Default constructor, set the current position to "invalid" |
5f91c9e8 | 50 | } |
51 | ||
52 | //______________________________________________________________________________ | |
53 | AliMpNeighboursPadIterator::AliMpNeighboursPadIterator( | |
54 | const AliMpSectorSegmentation* segmentation, | |
55 | const AliMpPad& centerPad, | |
56 | Bool_t includeCenter) | |
57 | : AliMpVPadIterator(), | |
58 | fkSegmentation(segmentation), | |
59 | fCenterPad(centerPad), | |
0471c97b | 60 | fPads(), |
5f91c9e8 | 61 | fIndex(fgkInvalidIndex) |
62 | { | |
dee1d5f1 | 63 | /// Standard constructor, set *this to invalid position |
5f91c9e8 | 64 | |
65 | FillPadsVector(includeCenter); | |
66 | } | |
67 | ||
68 | //______________________________________________________________________________ | |
69 | AliMpNeighboursPadIterator::AliMpNeighboursPadIterator( | |
70 | const AliMpNeighboursPadIterator& right) | |
0471c97b | 71 | : AliMpVPadIterator(right), |
72 | fkSegmentation(0), | |
73 | fCenterPad(AliMpPad::Invalid()), | |
74 | fPads(), | |
75 | fIndex(fgkInvalidIndex) | |
5f91c9e8 | 76 | { |
dee1d5f1 | 77 | /// Copy constructor |
5f91c9e8 | 78 | |
79 | *this = right; | |
80 | } | |
81 | ||
82 | //______________________________________________________________________________ | |
83 | AliMpNeighboursPadIterator::~AliMpNeighboursPadIterator() | |
84 | { | |
dee1d5f1 | 85 | /// Destructor |
f79c58a5 | 86 | |
87 | #ifdef WITH_ROOT | |
88 | fPads.Delete(); | |
89 | #endif | |
5f91c9e8 | 90 | } |
91 | ||
92 | // operators | |
93 | ||
94 | //______________________________________________________________________________ | |
95 | AliMpNeighboursPadIterator& | |
96 | AliMpNeighboursPadIterator::operator = (const AliMpNeighboursPadIterator& right) | |
97 | { | |
dee1d5f1 | 98 | /// Assignment operator. \n |
99 | /// If the right hand iterator isn't of a good type | |
100 | /// the current operator is invalidated \n | |
101 | /// Not provided for WITH_ROOT option. | |
5f91c9e8 | 102 | |
dee1d5f1 | 103 | // check assignment to self |
5f91c9e8 | 104 | if (this == &right) return *this; |
105 | ||
dee1d5f1 | 106 | // base class assignment |
5f91c9e8 | 107 | AliMpVPadIterator::operator=(right); |
108 | ||
f79c58a5 | 109 | #ifdef WITH_STL |
5f91c9e8 | 110 | fkSegmentation = right.fkSegmentation; |
111 | fCenterPad = right.fCenterPad; | |
112 | fPads = right.fPads; | |
113 | fIndex = right.fIndex; | |
f79c58a5 | 114 | #endif |
115 | #ifdef WITH_ROOT | |
0471c97b | 116 | AliFatal("Not allowed assignment for TObjArray"); |
f79c58a5 | 117 | #endif |
5f91c9e8 | 118 | |
119 | return *this; | |
120 | } | |
121 | ||
dee1d5f1 | 122 | // |
123 | // private methods | |
124 | // | |
5f91c9e8 | 125 | |
126 | //______________________________________________________________________________ | |
b9dbf8ab | 127 | Bool_t AliMpNeighboursPadIterator::IsNeighbour(const AliMpPad& pad) const |
5f91c9e8 | 128 | { |
13985652 | 129 | /// Return true if the pad located by \a pad is a neighbour of those |
130 | /// located at a\ fCenterPad | |
5f91c9e8 | 131 | |
b9dbf8ab | 132 | if ( !pad.IsValid() ) return kFALSE; |
133 | ||
5f91c9e8 | 134 | TVector2 relPos = pad.Position() - fCenterPad.Position(); |
135 | TVector2 bounds = pad.Dimensions() + fCenterPad.Dimensions(); | |
136 | return (TMath::Abs(relPos.X())- bounds.X()<AliMpConstants::LengthTolerance()) && | |
137 | (TMath::Abs(relPos.Y())- bounds.Y()<AliMpConstants::LengthTolerance()); | |
138 | ||
139 | } | |
140 | ||
f79c58a5 | 141 | #ifdef WITH_STL |
5f91c9e8 | 142 | //______________________________________________________________________________ |
5006ec94 | 143 | AliMpNeighboursPadIterator::PadVector |
144 | AliMpNeighboursPadIterator::PadVectorLine(const AliMpPad& from, | |
145 | const AliMpIntPair& direction) const | |
5f91c9e8 | 146 | { |
dee1d5f1 | 147 | /// Fill a new vector with all pads which have common |
13985652 | 148 | /// parts with the pad located at \a fCenterPad, in a given line |
149 | /// starting from \a from and moving by \a direction | |
5f91c9e8 | 150 | |
151 | AliMpPad current = from; | |
152 | PadVector ans; | |
153 | Bool_t cont=kTRUE; | |
154 | do { | |
b9dbf8ab | 155 | if (IsNeighbour(current)) |
5f91c9e8 | 156 | ans.push_back(current); |
157 | else | |
158 | cont=kFALSE; | |
159 | TVector2 nextPos = current.Position() + TVector2( | |
160 | current.Dimensions().X()*(AliMpConstants::LengthStep()+1.)*direction.GetFirst(), | |
161 | current.Dimensions().Y()*(AliMpConstants::LengthStep()+1.)*direction.GetSecond()); | |
b9dbf8ab | 162 | current = fkSegmentation->PadByPosition(nextPos, false); |
5f91c9e8 | 163 | } while (cont); |
164 | return ans; | |
165 | } | |
166 | ||
f79c58a5 | 167 | //______________________________________________________________________________ |
168 | void AliMpNeighboursPadIterator::UpdateTotalSet(PadSet& setTotal, | |
169 | const PadVector& from) const | |
170 | { | |
dee1d5f1 | 171 | /// Add pads from pad vector to the total set |
172 | /// only if they are not yet included | |
f79c58a5 | 173 | |
174 | setTotal.insert(from.begin(),from.end()); | |
175 | } | |
176 | ||
177 | #endif | |
178 | #ifdef WITH_ROOT | |
179 | //______________________________________________________________________________ | |
5006ec94 | 180 | AliMpNeighboursPadIterator::PadVector* |
181 | AliMpNeighboursPadIterator::PadVectorLine(const AliMpPad& from, | |
182 | const AliMpIntPair& direction) const | |
f79c58a5 | 183 | { |
dee1d5f1 | 184 | /// Fill a new vector with all pads which have common |
13985652 | 185 | /// parts with the pad located at \a fCenterPad, in a given line |
186 | /// starting from \a from and moving by \a direction | |
f79c58a5 | 187 | |
188 | AliMpPad current = from; | |
189 | PadVector* ans = new PadVector(); | |
190 | Bool_t cont=kTRUE; | |
191 | do { | |
b9dbf8ab | 192 | if (IsNeighbour(current)) |
f79c58a5 | 193 | ans->Add(new AliMpPad(current)); |
194 | else | |
195 | cont=kFALSE; | |
196 | TVector2 nextPos = current.Position() + TVector2( | |
197 | current.Dimensions().X()*(AliMpConstants::LengthStep()+1.)*direction.GetFirst(), | |
198 | current.Dimensions().Y()*(AliMpConstants::LengthStep()+1.)*direction.GetSecond()); | |
b9dbf8ab | 199 | current = fkSegmentation->PadByPosition(nextPos, false); |
f79c58a5 | 200 | } while (cont); |
201 | return ans; | |
202 | } | |
203 | ||
204 | //______________________________________________________________________________ | |
205 | void AliMpNeighboursPadIterator::UpdateTotalSet(PadSet& setTotal, | |
206 | PadVector* from) const | |
207 | { | |
dee1d5f1 | 208 | /// Add pads from pad vector to the total set |
209 | /// only if they are not yet included and deletes the pad vector | |
f79c58a5 | 210 | |
211 | for (Int_t i=0; i<from->GetEntriesFast(); i++) { | |
212 | AliMpPad* candidate = (AliMpPad*)from->At(i); | |
213 | ||
214 | Bool_t isInSetTotal = false; | |
215 | for (Int_t j=0; j<setTotal.GetEntriesFast(); j++) { | |
216 | AliMpPad* pad = (AliMpPad*)setTotal.At(j); | |
217 | ||
218 | if (pad->GetIndices() == candidate->GetIndices()) { | |
219 | isInSetTotal = true; | |
220 | break; | |
221 | } | |
222 | } | |
223 | if (!isInSetTotal) | |
224 | setTotal.Add(candidate); | |
225 | else | |
226 | delete candidate; | |
227 | } | |
228 | delete from; | |
229 | } | |
230 | ||
231 | #endif | |
232 | ||
5f91c9e8 | 233 | //______________________________________________________________________________ |
234 | void AliMpNeighboursPadIterator::FillPadsVector(Bool_t includeCenter) | |
235 | { | |
dee1d5f1 | 236 | /// Fill the indices vector with all indices of pads which have common |
13985652 | 237 | /// parts with the pad located at \a fCenterPad |
5f91c9e8 | 238 | |
239 | if (!fkSegmentation || !fCenterPad.IsValid()) return; | |
240 | ||
241 | ||
242 | AliMpPad from; | |
243 | AliMpIntPair direction; | |
f79c58a5 | 244 | #ifdef WITH_STL |
5f91c9e8 | 245 | PadVector found; |
f79c58a5 | 246 | #endif |
247 | #ifdef WITH_ROOT | |
248 | PadVector* found; | |
249 | #endif | |
5f91c9e8 | 250 | |
251 | // repare a unique simple associative container | |
252 | // --> no doublons, rapid insersion | |
253 | PadSet setTotal; | |
254 | ||
255 | ///////////// Left side | |
256 | ||
257 | ////////////////// up direction | |
258 | ||
259 | from = fkSegmentation->PadsLeft(fCenterPad).GetFirst(); | |
260 | direction = AliMpIntPair(0,1); | |
261 | found = PadVectorLine(from,direction); | |
f79c58a5 | 262 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 263 | |
264 | ////////////////// down direction | |
265 | ||
266 | from = fkSegmentation->PadsDown(from).GetFirst(); // the Pad down is already added | |
267 | direction = AliMpIntPair(0,-1); | |
268 | found = PadVectorLine(from,direction); | |
f79c58a5 | 269 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 270 | |
271 | ///////////// Up side | |
272 | ||
273 | ////////////////// right direction | |
274 | ||
275 | from = fkSegmentation->PadsUp(fCenterPad).GetFirst(); | |
276 | direction = AliMpIntPair(1,0); | |
277 | found = PadVectorLine(from,direction); | |
f79c58a5 | 278 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 279 | |
280 | ////////////////// left direction | |
281 | ||
282 | from = fkSegmentation->PadsLeft(from).GetFirst(); // the pad up is already added | |
283 | direction = AliMpIntPair(-1,0); | |
284 | found = PadVectorLine(from,direction); | |
f79c58a5 | 285 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 286 | |
287 | ///////////// Right side | |
288 | ||
289 | ////////////////// Up direction | |
290 | ||
291 | from = fkSegmentation->PadsRight(fCenterPad).GetFirst(); | |
292 | direction = AliMpIntPair(0,1); | |
293 | found = PadVectorLine(from,direction); | |
f79c58a5 | 294 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 295 | |
296 | ////////////////// down direction | |
297 | ||
298 | from = fkSegmentation->PadsDown(from).GetFirst(); // the pad right is already added | |
299 | direction = AliMpIntPair(0,-1); | |
300 | found = PadVectorLine(from,direction); | |
f79c58a5 | 301 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 302 | |
303 | ///////////// Down side | |
304 | ||
305 | ////////////////// Right direction | |
306 | ||
307 | from = fkSegmentation->PadsDown(fCenterPad).GetFirst(); | |
308 | direction = AliMpIntPair(1,0); | |
309 | found = PadVectorLine(from,direction); | |
f79c58a5 | 310 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 311 | |
312 | ////////////////// left direction | |
313 | ||
314 | from = fkSegmentation->PadsLeft(from).GetFirst(); // the pad down is already added | |
315 | direction = AliMpIntPair(-1,0); | |
316 | found = PadVectorLine(from,direction); | |
f79c58a5 | 317 | UpdateTotalSet(setTotal, found); |
5f91c9e8 | 318 | |
319 | // fill the fIndices vector with the set (-->pass from a rapid insertion, | |
320 | // to rapid and indexed access, for the rest of the job) | |
321 | ||
f79c58a5 | 322 | #ifdef WITH_STL |
5f91c9e8 | 323 | fPads.clear(); |
324 | // include the center pad if requiered | |
325 | if (includeCenter) fPads.push_back(fCenterPad); | |
326 | //fPads.insert(fPads.end(),setTotal.begin(),setTotal.end()); | |
327 | ||
5006ec94 | 328 | PadSetCIterator it; |
5f91c9e8 | 329 | for (it = setTotal.begin(); it != setTotal.end(); it++) |
330 | fPads.push_back((*it)); | |
f79c58a5 | 331 | #endif |
332 | ||
333 | #ifdef WITH_ROOT | |
334 | fPads.Delete(); | |
335 | // include the center pad if requiered | |
336 | if (includeCenter) fPads.Add(new AliMpPad(fCenterPad)); | |
337 | ||
338 | for (Int_t i = 0; i<setTotal.GetEntriesFast(); i++) | |
339 | fPads.Add(setTotal.At(i)); | |
340 | #endif | |
5f91c9e8 | 341 | } |
342 | ||
343 | //______________________________________________________________________________ | |
344 | Bool_t AliMpNeighboursPadIterator::IsValid() const | |
345 | { | |
dee1d5f1 | 346 | /// Is the iterator in a valid position? |
347 | ||
5f91c9e8 | 348 | return (fkSegmentation!=0 && fIndex!=fgkInvalidIndex); |
349 | } | |
350 | ||
351 | //public methods | |
352 | ||
353 | //______________________________________________________________________________ | |
354 | void AliMpNeighboursPadIterator::First() | |
355 | { | |
dee1d5f1 | 356 | /// Reset the iterator, so that it points to the first available |
357 | /// pad in the sector | |
5f91c9e8 | 358 | |
f79c58a5 | 359 | #ifdef WITH_STL |
5f91c9e8 | 360 | if ((fkSegmentation != 0) && (fPads.size() != 0)) |
f79c58a5 | 361 | #endif |
362 | #ifdef WITH_ROOT | |
363 | if ((fkSegmentation != 0) && (fPads.GetEntriesFast() != 0)) | |
364 | #endif | |
5f91c9e8 | 365 | fIndex=0; |
366 | else | |
367 | fIndex=fgkInvalidIndex; | |
368 | ||
369 | } | |
370 | ||
371 | //______________________________________________________________________________ | |
372 | void AliMpNeighboursPadIterator::Next() | |
373 | { | |
dee1d5f1 | 374 | /// Pre-increment operator. Should be used by default for iterating over |
375 | /// pads | |
5f91c9e8 | 376 | |
377 | ||
378 | if (!IsValid()) return; | |
379 | ||
f79c58a5 | 380 | #ifdef WITH_STL |
5f91c9e8 | 381 | if (fIndex < fPads.size()-1) |
f79c58a5 | 382 | #endif |
383 | #ifdef WITH_ROOT | |
384 | if (Int_t(fIndex) < fPads.GetEntriesFast()-1) | |
385 | #endif | |
5f91c9e8 | 386 | fIndex++; |
387 | else | |
388 | Invalidate(); | |
389 | } | |
390 | ||
391 | //______________________________________________________________________________ | |
392 | Bool_t AliMpNeighboursPadIterator::IsDone() const | |
393 | { | |
dee1d5f1 | 394 | /// Is the iterator in the end? |
395 | ||
5f91c9e8 | 396 | return !IsValid(); |
397 | } | |
398 | ||
399 | //______________________________________________________________________________ | |
400 | AliMpPad AliMpNeighboursPadIterator::CurrentItem() const | |
401 | { | |
dee1d5f1 | 402 | /// Dereferencement function |
403 | ||
5f91c9e8 | 404 | if (!IsValid()) |
405 | return AliMpPad::Invalid(); | |
406 | else | |
f79c58a5 | 407 | #ifdef WITH_STL |
5f91c9e8 | 408 | return fPads[fIndex]; |
f79c58a5 | 409 | #endif |
410 | #ifdef WITH_ROOT | |
411 | return *((AliMpPad*)fPads[fIndex]); | |
412 | #endif | |
5f91c9e8 | 413 | } |
414 | ||
415 | //______________________________________________________________________________ | |
416 | void AliMpNeighboursPadIterator::Invalidate() | |
417 | { | |
dee1d5f1 | 418 | /// Let the iterator point to the invalid position |
419 | ||
5f91c9e8 | 420 | fIndex=fgkInvalidIndex; |
421 | } | |
422 |