]>
Commit | Line | Data |
---|---|---|
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 | ||
16 | // $Id$ | |
17 | // $MpId: AliMpSlatPadIterator.cxx,v 1.4 2005/09/19 19:01:31 ivana Exp $ | |
18 | ||
19 | #include "AliMpSlatPadIterator.h" | |
20 | ||
21 | #include "AliLog.h" | |
22 | #include "AliMpArea.h" | |
23 | #include "AliMpPCB.h" | |
24 | #include "AliMpSlat.h" | |
25 | #include "AliMpSlatZonePadIterator.h" | |
26 | ||
27 | #include <algorithm> | |
28 | #include <limits> | |
29 | #include <cassert> | |
30 | ||
85fec35d | 31 | /// |
32 | /// \class AliMpSlatPadIterator | |
33 | /// | |
34 | /// Implementation of AliMpVPadIterator for slats. | |
35 | /// | |
36 | /// This class first split the input area (upon which to iterate) | |
37 | /// into a set of areas of constant pad size. | |
38 | /// Then each of those areas is iterated over, using | |
39 | /// AliMpSlatZonePadIterator objects. | |
40 | /// | |
41 | /// \author L. Aphecetche | |
42 | /// | |
dee1d5f1 | 43 | |
85fec35d | 44 | ClassImp(AliMpSlatPadIterator) |
dee1d5f1 | 45 | |
85fec35d | 46 | //const Double_t |
47 | //AliMpSlatPadIterator::fgkDmax = std::numeric_limits<Double_t>::max(); | |
dee1d5f1 | 48 | |
49 | //_____________________________________________________________________________ | |
50 | AliMpSlatPadIterator::AliMpSlatPadIterator() | |
51 | : AliMpVPadIterator(), | |
52 | fkSlat(0), | |
53 | fCurrentDelegate(0), | |
54 | fCurrentDelegateIndex(0) | |
55 | { | |
56 | // | |
57 | // Empty (default) ctor. | |
58 | // | |
59 | } | |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliMpSlatPadIterator::AliMpSlatPadIterator(const AliMpSlat* slat, | |
63 | const AliMpArea& area) | |
64 | : AliMpVPadIterator(), | |
65 | fkSlat(slat), | |
66 | fCurrentDelegate(0), | |
67 | fCurrentDelegateIndex(0) | |
68 | { | |
69 | // | |
70 | // Normal ctor. | |
71 | // The iteration will occur on the given slat over the specified area. | |
72 | // | |
73 | AliDebug(1,Form("this=%p ctor",this)); | |
74 | if (!Prepare(area)) | |
75 | { | |
76 | AliError("Iterator invalidated by improper initialization (e.g. incorrect area given ?)"); | |
77 | } | |
78 | } | |
79 | ||
80 | //_____________________________________________________________________________ | |
81 | AliMpSlatPadIterator::AliMpSlatPadIterator(const AliMpSlatPadIterator& o) | |
82 | : AliMpVPadIterator(), | |
83 | fkSlat(o.fkSlat), | |
84 | fCurrentDelegate(o.fCurrentDelegate), | |
85 | fCurrentDelegateIndex(o.fCurrentDelegateIndex) | |
86 | { | |
87 | // | |
88 | // Copy ctor. | |
89 | // | |
90 | AliFatal("Not implemented"); | |
91 | } | |
92 | ||
93 | //_____________________________________________________________________________ | |
94 | AliMpSlatPadIterator& AliMpSlatPadIterator::operator=(const AliMpSlatPadIterator&) | |
95 | { | |
96 | // | |
97 | // Assignement operator | |
98 | // | |
99 | AliFatal("Not implemented"); | |
100 | return *this; | |
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
104 | AliMpSlatPadIterator::~AliMpSlatPadIterator() | |
105 | { | |
106 | // | |
107 | // Dtor. | |
108 | // | |
109 | AliDebug(1,Form("this=%p dtor",this)); | |
110 | Invalidate(); | |
111 | } | |
112 | ||
113 | //_____________________________________________________________________________ | |
114 | AliMpArea | |
115 | AliMpSlatPadIterator::Intersect(const AliMpArea& a, const AliMpArea& b) const | |
116 | { | |
117 | // | |
118 | // Returns the common part of a and b. | |
119 | // | |
120 | AliDebug(4,Form("a=(%7.2f,%7.2f;%7.2f,%7.2f) b=(%7.2f,%7.2f;%7.2f,%7.2f)", | |
121 | a.LeftBorder(),a.DownBorder(),a.RightBorder(),a.UpBorder(), | |
122 | b.LeftBorder(),b.DownBorder(),b.RightBorder(),b.UpBorder())); | |
123 | ||
124 | Double_t xmin = std::max(a.LeftBorder(),b.LeftBorder()); | |
125 | Double_t xmax = std::min(a.RightBorder(),b.RightBorder()); | |
126 | Double_t ymin = std::max(a.DownBorder(),b.DownBorder()); | |
127 | Double_t ymax = std::min(a.UpBorder(),b.UpBorder()); | |
128 | AliMpArea c( TVector2( (xmin+xmax)/2.0, (ymin+ymax)/2.0 ), | |
129 | TVector2( (xmax-xmin)/2.0, (ymax-ymin)/2.0 ) ); | |
130 | ||
131 | AliDebug(4,Form("a intersect b = (%7.2f,%7.2f;%7.2f,%7.2f)", | |
132 | c.LeftBorder(),c.DownBorder(),c.RightBorder(),c.UpBorder())); | |
133 | return c; | |
134 | } | |
135 | ||
136 | //_____________________________________________________________________________ | |
137 | Bool_t | |
138 | AliMpSlatPadIterator::Prepare(const AliMpArea& area) | |
139 | { | |
140 | // | |
141 | // Split area into smaller area intersecting pcbs, | |
142 | // and allocate the corresponding delegate iterators. | |
143 | ||
144 | for ( AliMpSlat::Size_t i = 0; i < fkSlat->GetSize(); ++i ) | |
145 | { | |
146 | const AliMpPCB* pcb = fkSlat->GetPCB(i); | |
147 | AliMpArea pcbArea( TVector2( (pcb->Xmin()+pcb->Xmax())/2.0,fkSlat->DY()), | |
148 | TVector2( pcb->DX(), pcb->DY() ) ); | |
149 | AliMpArea zone = Intersect(pcbArea,area); | |
150 | AliDebug(3,Form("i=%2d zone is %7.2f,%7.2f->%7.2f,%7.2f %d",i, | |
151 | zone.LeftBorder(),zone.DownBorder(), | |
152 | zone.RightBorder(),zone.UpBorder(), | |
153 | zone.IsValid())); | |
154 | if ( zone.IsValid() ) | |
155 | { | |
156 | fDelegates.push_back(new AliMpSlatZonePadIterator(fkSlat,zone)); | |
157 | } | |
158 | } | |
159 | return !fDelegates.empty(); | |
160 | } | |
161 | ||
162 | //_____________________________________________________________________________ | |
163 | AliMpPad | |
164 | AliMpSlatPadIterator::CurrentItem() const | |
165 | { | |
166 | // | |
167 | // Returns the current pad of the iteration. | |
168 | // | |
169 | if ( fCurrentDelegate ) | |
170 | { | |
171 | return fCurrentDelegate->CurrentItem(); | |
172 | } | |
173 | else | |
174 | { | |
175 | return AliMpPad::Invalid(); | |
176 | } | |
177 | } | |
178 | ||
179 | //_____________________________________________________________________________ | |
180 | void | |
181 | AliMpSlatPadIterator::First() | |
182 | { | |
183 | // | |
184 | // (Re)starts the iteration. | |
185 | // | |
186 | if ( fDelegates.empty() ) | |
187 | { | |
188 | AliError("Iterator is not valid, as it gets no delegates at all !"); | |
189 | } | |
190 | else | |
191 | { | |
192 | fCurrentDelegateIndex = 0; | |
193 | fCurrentDelegate = fDelegates[0]; | |
194 | fCurrentDelegate->First(); | |
195 | } | |
196 | } | |
197 | ||
198 | //_____________________________________________________________________________ | |
199 | void | |
200 | AliMpSlatPadIterator::Invalidate() | |
201 | { | |
202 | // | |
203 | // Make the iterator invalid. | |
204 | // | |
205 | for ( size_t i = 0; i < fDelegates.size(); ++i ) | |
206 | { | |
207 | delete fDelegates[i]; | |
208 | fDelegates[i] = 0; | |
209 | } | |
210 | fDelegates.clear(); | |
211 | fCurrentDelegate = 0; | |
212 | fCurrentDelegateIndex = 0; | |
213 | } | |
214 | ||
215 | //_____________________________________________________________________________ | |
216 | Bool_t | |
217 | AliMpSlatPadIterator::IsDone() const | |
218 | { | |
219 | // | |
220 | // Returns whether the iteration is ended or not. | |
221 | // | |
222 | return ( !fCurrentDelegate || | |
223 | ( fCurrentDelegateIndex >= fDelegates.size() && | |
224 | fCurrentDelegate->IsDone() ) ); | |
225 | } | |
226 | ||
227 | //_____________________________________________________________________________ | |
228 | void | |
229 | AliMpSlatPadIterator::Next() | |
230 | { | |
231 | // | |
232 | // Next step of the iteration. | |
233 | // | |
234 | if (IsDone()) return; | |
235 | ||
236 | fCurrentDelegate->Next(); | |
237 | ||
238 | if ( fCurrentDelegate->IsDone() ) | |
239 | { | |
240 | AliDebug(3,"Moving to next delegate"); | |
241 | ++fCurrentDelegateIndex; | |
242 | if ( fCurrentDelegateIndex < fDelegates.size() ) | |
243 | { | |
244 | fCurrentDelegate = fDelegates[fCurrentDelegateIndex]; | |
245 | fCurrentDelegate->First(); | |
246 | } | |
247 | } | |
248 | } |