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