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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 | // $Id$ |
dee1d5f1 | 17 | // $MpId: AliMpSectorAreaVPadIterator.cxx,v 1.5 2005/08/26 15:43:36 ivana Exp $ |
5f91c9e8 | 18 | // Category: sector |
19 | // | |
20 | // Class AliMpSectorAreaVPadIterator | |
21 | // --------------------------------- | |
22 | // Class, which defines an iterator over the pads | |
23 | // inside a given area in a sector in vertical direction. | |
dbe945cc | 24 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 25 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay |
26 | ||
27 | #include <Riostream.h> | |
28 | ||
29 | #include "AliMpSectorAreaVPadIterator.h" | |
30 | #include "AliMpSectorSegmentation.h" | |
31 | #include "AliMpConstants.h" | |
32 | ||
33 | ClassImp(AliMpSectorAreaVPadIterator) | |
34 | ||
35 | //______________________________________________________________________________ | |
36 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator( | |
37 | const AliMpSectorSegmentation* segmentation, | |
38 | const AliMpArea& area) | |
39 | : AliMpVPadIterator(), | |
40 | fkSegmentation(segmentation), | |
41 | fkArea(area), | |
42 | fCurrentPad(AliMpPad::Invalid()), | |
43 | fCurrentColumnPosition(0.) | |
44 | { | |
dee1d5f1 | 45 | /// Standard constructor, start in invalid position |
5f91c9e8 | 46 | } |
47 | ||
48 | //______________________________________________________________________________ | |
49 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator( | |
50 | const AliMpSectorAreaVPadIterator& right) | |
51 | : AliMpVPadIterator(right) | |
52 | { | |
dee1d5f1 | 53 | /// Protected copy constructor (not provided) |
5f91c9e8 | 54 | |
55 | Fatal("Copy constructor", "Not implemented"); | |
56 | } | |
57 | ||
58 | //______________________________________________________________________________ | |
59 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator() | |
60 | : AliMpVPadIterator(), | |
61 | fkSegmentation(0), | |
62 | fkArea(AliMpArea()), | |
63 | fCurrentPad(AliMpPad::Invalid()), | |
64 | fCurrentColumnPosition(0.) | |
65 | { | |
dee1d5f1 | 66 | /// Default constructor. |
5f91c9e8 | 67 | } |
68 | ||
69 | //______________________________________________________________________________ | |
70 | AliMpSectorAreaVPadIterator::~AliMpSectorAreaVPadIterator() | |
71 | { | |
dee1d5f1 | 72 | /// Destructor |
5f91c9e8 | 73 | } |
74 | ||
75 | // | |
76 | // operators | |
77 | // | |
78 | ||
79 | //______________________________________________________________________________ | |
80 | AliMpSectorAreaVPadIterator& | |
81 | AliMpSectorAreaVPadIterator::operator = (const AliMpSectorAreaVPadIterator& right) | |
82 | { | |
dee1d5f1 | 83 | /// Assignment operator |
5f91c9e8 | 84 | |
dee1d5f1 | 85 | // check assignment to self |
5f91c9e8 | 86 | if (this == &right) return *this; |
87 | ||
dee1d5f1 | 88 | // base class assignment |
5f91c9e8 | 89 | AliMpVPadIterator::operator=(right); |
90 | ||
91 | fkSegmentation = right.fkSegmentation; | |
92 | fkArea = right.fkArea; | |
93 | fCurrentPad = right.fCurrentPad; | |
94 | fCurrentColumnPosition = right.fCurrentColumnPosition; | |
95 | ||
96 | return *this; | |
97 | } | |
98 | ||
99 | // | |
100 | // private methods | |
101 | // | |
102 | ||
103 | //______________________________________________________________________________ | |
104 | Bool_t AliMpSectorAreaVPadIterator::IsValid() const | |
105 | { | |
dee1d5f1 | 106 | /// Is the iterator in a valid position? |
5f91c9e8 | 107 | |
108 | return fCurrentPad.IsValid() ; | |
109 | } | |
110 | ||
111 | //______________________________________________________________________________ | |
112 | void AliMpSectorAreaVPadIterator::MoveRight() | |
113 | { | |
dee1d5f1 | 114 | /// Increase the current row position and searches the first valid pad. |
5f91c9e8 | 115 | |
116 | Double_t step = 2.* fkSegmentation->GetMinPadDimensions().X(); | |
117 | ||
118 | while ( !fCurrentPad.IsValid() && | |
119 | fCurrentColumnPosition + step < fkArea.RightBorder()) | |
120 | { | |
121 | //cout << "######### Move right ##########" << endl; | |
122 | ||
123 | fCurrentColumnPosition += step; | |
124 | TVector2 position = TVector2(fCurrentColumnPosition, fkArea.DownBorder()); | |
125 | ||
126 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
127 | } | |
128 | } | |
129 | ||
130 | // | |
131 | // public methods | |
132 | // | |
133 | ||
134 | //______________________________________________________________________________ | |
135 | void AliMpSectorAreaVPadIterator::First() | |
136 | { | |
dee1d5f1 | 137 | /// Reset the iterator, so that it points to the first available |
138 | /// pad in the area | |
5f91c9e8 | 139 | |
140 | if (!fkSegmentation) { | |
141 | Fatal("First", "Segmentation is not defined"); | |
142 | return; | |
143 | } | |
144 | ||
145 | // Start position = left down corner of the area | |
146 | // | |
bd7175ff | 147 | fCurrentColumnPosition = fkArea.LeftBorder(); |
5f91c9e8 | 148 | TVector2 position(fkArea.LeftDownCorner()); |
149 | ||
150 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
151 | ||
152 | MoveRight(); | |
153 | ||
154 | // Set the column position to the center of pad | |
155 | // | |
156 | if (fCurrentPad.IsValid()) fCurrentColumnPosition = fCurrentPad.Position().X(); | |
157 | } | |
158 | ||
159 | //______________________________________________________________________________ | |
160 | void AliMpSectorAreaVPadIterator::Next() | |
161 | { | |
dee1d5f1 | 162 | /// Move the iterator to the next valid pad. |
5f91c9e8 | 163 | |
164 | if (!IsValid()) return; | |
165 | ||
166 | // Start position = up board of current pad + little step | |
167 | // | |
168 | TVector2 position | |
169 | = fCurrentPad.Position() | |
170 | + TVector2(0., fCurrentPad.Dimensions().Y() + AliMpConstants::LengthStep()); | |
171 | ||
172 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
173 | ||
174 | if (fCurrentPad.IsValid()) return; | |
175 | ||
176 | MoveRight(); | |
177 | } | |
178 | ||
179 | //______________________________________________________________________________ | |
180 | Bool_t AliMpSectorAreaVPadIterator::IsDone() const | |
181 | { | |
dee1d5f1 | 182 | /// Is the iterator in the end ? |
183 | ||
5f91c9e8 | 184 | return !IsValid(); |
185 | } | |
186 | ||
187 | //______________________________________________________________________________ | |
188 | AliMpPad AliMpSectorAreaVPadIterator::CurrentItem () const | |
189 | { | |
dee1d5f1 | 190 | /// Return current pad. |
5f91c9e8 | 191 | |
192 | return fCurrentPad; | |
193 | } | |
194 | //______________________________________________________________________________ | |
195 | void AliMpSectorAreaVPadIterator::Invalidate() | |
196 | { | |
dee1d5f1 | 197 | /// Let the iterator point to the invalid position |
198 | ||
5f91c9e8 | 199 | fCurrentPad = AliMpPad::Invalid(); |
200 | fCurrentColumnPosition = 0; | |
201 | } | |
202 | ||
203 | ||
204 |