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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: AliMpRowSegment.cxx,v 1.10 2006/05/24 13:58:46 ivana Exp $ |
5f91c9e8 | 18 | // Category: sector |
19 | // | |
20 | // Class AliMpRowSegment | |
21 | // --------------------- | |
22 | // Class describing a row segment composed of the | |
23 | // the identic motifs. | |
dbe945cc | 24 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 25 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay |
26 | ||
5f91c9e8 | 27 | #include "AliMpRowSegment.h" |
28 | #include "AliMpRow.h" | |
29 | #include "AliMpVMotif.h" | |
30 | #include "AliMpMotifType.h" | |
31 | #include "AliMpMotifTypePadIterator.h" | |
32 | #include "AliMpMotifMap.h" | |
33 | #include "AliMpMotifPosition.h" | |
580c28fd | 34 | #include "AliMpConstants.h" |
5f91c9e8 | 35 | |
97186a3f | 36 | #include "AliLog.h" |
37 | ||
2c605e66 | 38 | #include <TMath.h> |
39 | #include <Riostream.h> | |
40 | ||
13985652 | 41 | /// \cond CLASSIMP |
5f91c9e8 | 42 | ClassImp(AliMpRowSegment) |
13985652 | 43 | /// \endcond |
5f91c9e8 | 44 | |
45 | //_____________________________________________________________________________ | |
46 | AliMpRowSegment::AliMpRowSegment(AliMpRow* row, AliMpVMotif* motif, | |
47 | AliMpIntPair padOffset, | |
48 | Int_t nofMotifs, | |
49 | Int_t motifPositionId, Int_t motifPositionDId) | |
50 | : AliMpVRowSegment(), | |
51 | fNofMotifs(nofMotifs), | |
52 | fPadOffset(padOffset), | |
53 | fOffset(TVector2()), | |
54 | fRow(row), | |
55 | fMotif(motif), | |
56 | fMotifPositionId(motifPositionId), | |
57 | fMotifPositionDId(motifPositionDId) | |
58 | { | |
dee1d5f1 | 59 | /// Standard constructor |
60 | ||
5f91c9e8 | 61 | // Keep pad offset in the low indices limits |
62 | SetLowIndicesLimit(padOffset); | |
63 | } | |
64 | ||
65 | //_____________________________________________________________________________ | |
66 | AliMpRowSegment::AliMpRowSegment() | |
67 | : AliMpVRowSegment(), | |
68 | fNofMotifs(0), | |
69 | fPadOffset(AliMpIntPair()), | |
70 | fOffset(TVector2()), | |
71 | fRow(0), | |
72 | fMotif(0), | |
73 | fMotifPositionId(0), | |
74 | fMotifPositionDId(0) | |
75 | { | |
dee1d5f1 | 76 | /// Default constructor |
5f91c9e8 | 77 | } |
78 | ||
79 | //_____________________________________________________________________________ | |
dee1d5f1 | 80 | AliMpRowSegment::~AliMpRowSegment() |
81 | { | |
82 | /// Destructor | |
5f91c9e8 | 83 | } |
84 | ||
85 | // | |
86 | // private methods | |
87 | // | |
88 | ||
89 | //_____________________________________________________________________________ | |
90 | Double_t AliMpRowSegment::FirstMotifCenterX() const | |
91 | { | |
dee1d5f1 | 92 | /// Return the x coordinate of the first motif center |
93 | /// in the global coordinate system. | |
5f91c9e8 | 94 | |
95 | return fOffset.X(); | |
96 | } | |
97 | ||
98 | //_____________________________________________________________________________ | |
99 | Double_t AliMpRowSegment::LastMotifCenterX() const | |
100 | { | |
dee1d5f1 | 101 | /// Return the x coordinate of the last motif center |
102 | /// in the global coordinate system. | |
5f91c9e8 | 103 | |
104 | return fOffset.X() + 2.*(fNofMotifs-1)*fMotif->Dimensions().X(); | |
105 | } | |
106 | ||
107 | //_____________________________________________________________________________ | |
108 | Double_t AliMpRowSegment::MotifCenterX(Int_t motifPositionId) const | |
109 | { | |
dee1d5f1 | 110 | /// Return the x coordinate of the motif specified with |
111 | /// the given position identifier. | |
5f91c9e8 | 112 | |
113 | // Check if x is in the row segment range | |
114 | if (! HasMotifPosition(motifPositionId)) { | |
2c605e66 | 115 | AliErrorStream() << "Outside row segment region" << endl; |
5f91c9e8 | 116 | return 0; |
117 | } | |
118 | ||
119 | // Find the position number in the segment | |
120 | Int_t num = (motifPositionId - fMotifPositionId) * fMotifPositionDId; | |
121 | ||
122 | return fOffset.X() + num*(fMotif->Dimensions().X() * 2.0); | |
123 | } | |
124 | ||
125 | //_____________________________________________________________________________ | |
126 | Double_t AliMpRowSegment::MotifCenterY(Int_t motifPositionId) const | |
127 | { | |
dee1d5f1 | 128 | /// Return the y coordinate of the motif specified with |
129 | /// the given position identifier. | |
5f91c9e8 | 130 | |
131 | // Check if x is in the row segment range | |
132 | if (! HasMotifPosition(motifPositionId)) { | |
2c605e66 | 133 | AliErrorStream() << "Outside row segment region" << endl; |
5f91c9e8 | 134 | return 0; |
135 | } | |
136 | ||
137 | return GetRow()->Position().Y() + fOffset.Y(); | |
138 | } | |
139 | ||
140 | //_____________________________________________________________________________ | |
141 | Bool_t AliMpRowSegment::IsInside(const TVector2& position, Bool_t warn) const | |
142 | { | |
dee1d5f1 | 143 | /// Check if the position is inside some motif of this row segment. |
5f91c9e8 | 144 | |
145 | Double_t minY = GetRow()->Position().Y() + fOffset.Y() - fMotif->Dimensions().Y(); | |
146 | Double_t maxY = GetRow()->Position().Y() + fOffset.Y() + fMotif->Dimensions().Y(); | |
147 | ||
148 | if ( position.X() < LeftBorderX() || position.X() > RightBorderX() || | |
149 | position.Y() < minY || position.Y() > maxY ) { | |
150 | ||
2c605e66 | 151 | if (warn) |
152 | AliWarningStream() << "Outside row segment region" << endl; | |
5f91c9e8 | 153 | return false; |
154 | } | |
155 | else | |
156 | return true; | |
157 | } | |
158 | ||
159 | // | |
160 | // public methods | |
161 | // | |
162 | ||
163 | //_____________________________________________________________________________ | |
164 | Double_t AliMpRowSegment::LeftBorderX() const | |
165 | { | |
dee1d5f1 | 166 | /// Return the x coordinate of the left row segment border |
167 | /// in the global coordinate system. | |
5f91c9e8 | 168 | |
169 | return FirstMotifCenterX() - fMotif->Dimensions().X(); | |
170 | } | |
171 | ||
172 | //_____________________________________________________________________________ | |
173 | Double_t AliMpRowSegment::RightBorderX() const | |
174 | { | |
dee1d5f1 | 175 | /// Return the x coordinate of the right row segment border |
176 | /// in the global coordinate system. | |
5f91c9e8 | 177 | |
178 | return LastMotifCenterX() + fMotif->Dimensions().X(); | |
179 | } | |
180 | ||
181 | //_____________________________________________________________________________ | |
182 | Double_t AliMpRowSegment::HalfSizeY() const | |
183 | { | |
dee1d5f1 | 184 | /// Return the size in y of this row segment. |
5f91c9e8 | 185 | |
186 | return fMotif->Dimensions().Y() + fOffset.Y(); | |
187 | } | |
188 | ||
189 | //_____________________________________________________________________________ | |
190 | AliMpVMotif* AliMpRowSegment::FindMotif(const TVector2& position) const | |
191 | { | |
dee1d5f1 | 192 | /// Return the motif of this row; |
5f91c9e8 | 193 | |
194 | if (IsInside(position, false)) | |
195 | return fMotif; | |
196 | else | |
197 | return 0; | |
198 | } | |
199 | ||
200 | //_____________________________________________________________________________ | |
201 | Int_t AliMpRowSegment::FindMotifPositionId(const TVector2& position) const | |
202 | { | |
dee1d5f1 | 203 | /// Return the motif position identified for the given |
204 | /// geometric position. | |
5f91c9e8 | 205 | |
206 | if (!IsInside(position, false)) return 0; | |
207 | ||
208 | // Find the position number in the segment | |
209 | Int_t num | |
210 | = Int_t((position.X() - LeftBorderX()) / (fMotif->Dimensions().X() * 2.0)); | |
211 | ||
212 | // Calculate the position Id | |
213 | return fMotifPositionId + num*fMotifPositionDId; | |
214 | } | |
215 | ||
216 | //_____________________________________________________________________________ | |
217 | Bool_t AliMpRowSegment::HasMotifPosition(Int_t motifPositionId) const | |
218 | { | |
dee1d5f1 | 219 | /// Return true if the motif specified with the given position identifier |
220 | /// is in this segment. | |
5f91c9e8 | 221 | |
222 | Int_t minId = TMath::Min(fMotifPositionId, | |
223 | fMotifPositionId + (fNofMotifs-1)*fMotifPositionDId); | |
224 | Int_t maxId = TMath::Max(fMotifPositionId, | |
225 | fMotifPositionId + (fNofMotifs-1)*fMotifPositionDId); | |
226 | ||
227 | if (motifPositionId >= minId && motifPositionId <= maxId) { | |
228 | return true; | |
229 | } | |
230 | else | |
231 | return false; | |
232 | } | |
233 | ||
234 | //_____________________________________________________________________________ | |
235 | TVector2 AliMpRowSegment::MotifCenter(Int_t motifPositionId) const | |
236 | { | |
dee1d5f1 | 237 | /// Return the coordinates of the motif specified with |
238 | /// the given position identifier. | |
5f91c9e8 | 239 | |
240 | return TVector2(MotifCenterX(motifPositionId), MotifCenterY(motifPositionId)); | |
241 | } | |
242 | ||
243 | //_____________________________________________________________________________ | |
244 | TVector2 AliMpRowSegment::Position() const | |
245 | { | |
dee1d5f1 | 246 | /// Return the position of the row segment centre. |
5f91c9e8 | 247 | |
248 | Double_t x = (LeftBorderX() + RightBorderX())/2.; | |
249 | Double_t y = GetRow()->Position().Y(); | |
250 | ||
251 | return TVector2(x, y); | |
252 | } | |
253 | ||
254 | ||
255 | //_____________________________________________________________________________ | |
256 | TVector2 AliMpRowSegment::Dimensions() const | |
257 | { | |
dee1d5f1 | 258 | /// Return the halflengths of the row segment in x, y. |
5f91c9e8 | 259 | // --- |
260 | ||
261 | Double_t x = (RightBorderX() - LeftBorderX())/2.; | |
262 | Double_t y = GetRow()->Dimensions().Y(); | |
263 | ||
264 | return TVector2(x, y); | |
265 | } | |
266 | ||
267 | //_____________________________________________________________________________ | |
268 | void AliMpRowSegment::SetOffset(const TVector2& offset) | |
269 | { | |
dee1d5f1 | 270 | /// Calculate offset from given offset and |
271 | /// stored offset in pads. | |
5f91c9e8 | 272 | |
273 | AliMpMotifTypePadIterator iter(fMotif->GetMotifType()); | |
274 | iter.First(); | |
275 | AliMpIntPair localPos = iter.CurrentItem().GetIndices(); | |
276 | ||
277 | Double_t offsetX | |
278 | = offset.X() | |
279 | + 2.*fPadOffset.GetFirst() * fMotif->GetPadDimensions(localPos).X() | |
280 | + fMotif->Dimensions().X(); | |
281 | ||
282 | Double_t offsetY | |
283 | = offset.Y() | |
284 | + fPadOffset.GetSecond() * fMotif->GetPadDimensions(localPos).Y(); | |
285 | ||
286 | fOffset = TVector2(offsetX, offsetY); | |
287 | } | |
288 | ||
580c28fd | 289 | #include <Riostream.h> |
5f91c9e8 | 290 | //_____________________________________________________________________________ |
580c28fd | 291 | void AliMpRowSegment::SetGlobalIndices(AliMpRow* /*rowBefore*/) |
5f91c9e8 | 292 | { |
dee1d5f1 | 293 | /// Set global indices limits. |
5f91c9e8 | 294 | |
580c28fd | 295 | // The low/high indices limits has to be taken as the highest/lowest from all |
296 | // motif positions | |
297 | Int_t ixl = 9999; | |
298 | Int_t iyl = 9999; | |
299 | Int_t ixh = AliMpConstants::StartPadIndex(); | |
300 | Int_t iyh = AliMpConstants::StartPadIndex(); | |
301 | ||
302 | for (Int_t i=0; i<GetNofMotifs(); i++) { | |
303 | ||
304 | AliMpMotifPosition* mPos | |
305 | = GetRow()->GetMotifMap()->FindMotifPosition(GetMotifPositionId(i)); | |
306 | ||
307 | // Check if the motif positions has the limits set | |
308 | if ( !mPos->HasValidIndices() ) | |
309 | Fatal("SetGlobalIndices", | |
310 | "Indices of motif positions have to be set first."); | |
5f91c9e8 | 311 | |
580c28fd | 312 | if ( mPos->GetLowIndicesLimit().GetFirst() < ixl ) |
313 | ixl = mPos->GetLowIndicesLimit().GetFirst(); | |
314 | ||
315 | if ( mPos->GetLowIndicesLimit().GetSecond() < iyl ) | |
316 | iyl = mPos->GetLowIndicesLimit().GetSecond(); | |
317 | ||
318 | if ( mPos->GetHighIndicesLimit().GetFirst() > ixh ) | |
319 | ixh = mPos->GetHighIndicesLimit().GetFirst(); | |
320 | ||
321 | if ( mPos->GetHighIndicesLimit().GetSecond() > iyh ) | |
322 | iyh = mPos->GetHighIndicesLimit().GetSecond(); | |
323 | } | |
324 | ||
325 | SetLowIndicesLimit(AliMpIntPair(ixl, iyl)); | |
326 | SetHighIndicesLimit(AliMpIntPair(ixh, iyh)); | |
5f91c9e8 | 327 | } |
328 | ||
329 | //_____________________________________________________________________________ | |
ffb47139 | 330 | Int_t AliMpRowSegment::SetIndicesToMotifPosition(Int_t i, |
331 | const AliMpIntPair& indices) | |
5f91c9e8 | 332 | { |
dee1d5f1 | 333 | /// Set global indices to i-th motif position and returns next index |
334 | /// in x. | |
5f91c9e8 | 335 | |
336 | // Get motif position | |
337 | AliMpMotifPosition* motifPosition | |
338 | = GetRow()->GetMotifMap()->FindMotifPosition(GetMotifPositionId(i)); | |
339 | ||
340 | // Low limit | |
341 | AliMpIntPair low = indices + AliMpIntPair(0, GetLowIndicesLimit().GetSecond()); | |
342 | motifPosition->SetLowIndicesLimit(low); | |
343 | ||
344 | // High limit | |
345 | AliMpMotifType* motifType = motifPosition->GetMotif()->GetMotifType(); | |
346 | AliMpIntPair high | |
347 | = motifPosition->GetLowIndicesLimit() | |
348 | + AliMpIntPair(motifType->GetNofPadsX()-1, motifType->GetNofPadsY()-1); | |
349 | motifPosition->SetHighIndicesLimit(high); | |
350 | ||
351 | // Return next index in x | |
352 | return high.GetFirst()+1; | |
353 | // return motifType->GetNofPadsX(); | |
354 | } | |
355 | ||
356 | ||
357 | //_____________________________________________________________________________ | |
358 | AliMpRow* AliMpRowSegment::GetRow() const | |
359 | { | |
dee1d5f1 | 360 | /// Return the row.which this row segment belongs to. |
5f91c9e8 | 361 | |
362 | return fRow; | |
363 | } | |
364 | ||
365 | //_____________________________________________________________________________ | |
366 | Int_t AliMpRowSegment::GetNofMotifs() const | |
367 | { | |
dee1d5f1 | 368 | /// Return number of motifs in this this row segment. |
5f91c9e8 | 369 | |
370 | return fNofMotifs; | |
371 | } | |
372 | ||
373 | //_____________________________________________________________________________ | |
374 | Int_t AliMpRowSegment::GetMotifPositionId(Int_t i) const | |
375 | { | |
dee1d5f1 | 376 | /// Return number of motifs in this this row segment. |
5f91c9e8 | 377 | |
378 | return fMotifPositionId + i*fMotifPositionDId; | |
379 | } | |
380 | ||
381 | //_____________________________________________________________________________ | |
ffb47139 | 382 | AliMpVMotif* AliMpRowSegment::GetMotif(Int_t /*i*/) const |
5f91c9e8 | 383 | { |
dee1d5f1 | 384 | /// Return the motif of this row segment. |
5f91c9e8 | 385 | |
386 | return fMotif; | |
387 | } |