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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: AliMpSectorAreaVPadIterator.cxx,v 1.8 2006/05/24 13:58:46 ivana Exp $ |
5f91c9e8 | 18 | // Category: sector |
3d1463c8 | 19 | |
20 | //----------------------------------------------------------------------------- | |
5f91c9e8 | 21 | // Class AliMpSectorAreaVPadIterator |
22 | // --------------------------------- | |
23 | // Class, which defines an iterator over the pads | |
24 | // inside a given area in a sector in vertical direction. | |
dbe945cc | 25 | // Included in AliRoot: 2003/05/02 |
5f91c9e8 | 26 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay |
3d1463c8 | 27 | //----------------------------------------------------------------------------- |
5f91c9e8 | 28 | |
5f91c9e8 | 29 | #include "AliMpSectorAreaVPadIterator.h" |
30 | #include "AliMpSectorSegmentation.h" | |
31 | #include "AliMpConstants.h" | |
32 | ||
97186a3f | 33 | #include "AliLog.h" |
34 | ||
2c605e66 | 35 | #include <Riostream.h> |
36 | ||
13985652 | 37 | /// \cond CLASSIMP |
5f91c9e8 | 38 | ClassImp(AliMpSectorAreaVPadIterator) |
13985652 | 39 | /// \endcond |
5f91c9e8 | 40 | |
41 | //______________________________________________________________________________ | |
42 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator( | |
43 | const AliMpSectorSegmentation* segmentation, | |
44 | const AliMpArea& area) | |
45 | : AliMpVPadIterator(), | |
46 | fkSegmentation(segmentation), | |
47 | fkArea(area), | |
48 | fCurrentPad(AliMpPad::Invalid()), | |
49 | fCurrentColumnPosition(0.) | |
50 | { | |
dee1d5f1 | 51 | /// Standard constructor, start in invalid position |
5f91c9e8 | 52 | } |
53 | ||
54 | //______________________________________________________________________________ | |
55 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator( | |
56 | const AliMpSectorAreaVPadIterator& right) | |
0471c97b | 57 | : AliMpVPadIterator(right), |
58 | fkSegmentation(0), | |
59 | fkArea(AliMpArea()), | |
60 | fCurrentPad(AliMpPad::Invalid()), | |
61 | fCurrentColumnPosition(0.) | |
5f91c9e8 | 62 | { |
0471c97b | 63 | /// Copy constructor |
5f91c9e8 | 64 | |
0471c97b | 65 | *this = right; |
5f91c9e8 | 66 | } |
67 | ||
68 | //______________________________________________________________________________ | |
69 | AliMpSectorAreaVPadIterator::AliMpSectorAreaVPadIterator() | |
70 | : AliMpVPadIterator(), | |
71 | fkSegmentation(0), | |
72 | fkArea(AliMpArea()), | |
73 | fCurrentPad(AliMpPad::Invalid()), | |
74 | fCurrentColumnPosition(0.) | |
75 | { | |
dee1d5f1 | 76 | /// Default constructor. |
5f91c9e8 | 77 | } |
78 | ||
79 | //______________________________________________________________________________ | |
80 | AliMpSectorAreaVPadIterator::~AliMpSectorAreaVPadIterator() | |
81 | { | |
dee1d5f1 | 82 | /// Destructor |
5f91c9e8 | 83 | } |
84 | ||
85 | // | |
86 | // operators | |
87 | // | |
88 | ||
89 | //______________________________________________________________________________ | |
90 | AliMpSectorAreaVPadIterator& | |
91 | AliMpSectorAreaVPadIterator::operator = (const AliMpSectorAreaVPadIterator& right) | |
92 | { | |
dee1d5f1 | 93 | /// Assignment operator |
5f91c9e8 | 94 | |
dee1d5f1 | 95 | // check assignment to self |
5f91c9e8 | 96 | if (this == &right) return *this; |
97 | ||
dee1d5f1 | 98 | // base class assignment |
5f91c9e8 | 99 | AliMpVPadIterator::operator=(right); |
100 | ||
101 | fkSegmentation = right.fkSegmentation; | |
102 | fkArea = right.fkArea; | |
103 | fCurrentPad = right.fCurrentPad; | |
104 | fCurrentColumnPosition = right.fCurrentColumnPosition; | |
105 | ||
106 | return *this; | |
107 | } | |
108 | ||
109 | // | |
110 | // private methods | |
111 | // | |
112 | ||
113 | //______________________________________________________________________________ | |
114 | Bool_t AliMpSectorAreaVPadIterator::IsValid() const | |
115 | { | |
dee1d5f1 | 116 | /// Is the iterator in a valid position? |
5f91c9e8 | 117 | |
118 | return fCurrentPad.IsValid() ; | |
119 | } | |
120 | ||
121 | //______________________________________________________________________________ | |
122 | void AliMpSectorAreaVPadIterator::MoveRight() | |
123 | { | |
dee1d5f1 | 124 | /// Increase the current row position and searches the first valid pad. |
5f91c9e8 | 125 | |
25a9f565 | 126 | Double_t dx = fkSegmentation->GetMinPadDimensions().X(); |
5f91c9e8 | 127 | |
128 | while ( !fCurrentPad.IsValid() && | |
25a9f565 | 129 | fCurrentColumnPosition + dx < fkArea.RightBorder()) |
5f91c9e8 | 130 | { |
25a9f565 | 131 | fCurrentColumnPosition += 2.*dx; |
5f91c9e8 | 132 | TVector2 position = TVector2(fCurrentColumnPosition, fkArea.DownBorder()); |
133 | ||
134 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
135 | } | |
136 | } | |
137 | ||
138 | // | |
139 | // public methods | |
140 | // | |
141 | ||
142 | //______________________________________________________________________________ | |
143 | void AliMpSectorAreaVPadIterator::First() | |
144 | { | |
dee1d5f1 | 145 | /// Reset the iterator, so that it points to the first available |
146 | /// pad in the area | |
5f91c9e8 | 147 | |
148 | if (!fkSegmentation) { | |
0471c97b | 149 | AliFatal("Segmentation is not defined"); |
5f91c9e8 | 150 | return; |
151 | } | |
152 | ||
153 | // Start position = left down corner of the area | |
154 | // | |
bd7175ff | 155 | fCurrentColumnPosition = fkArea.LeftBorder(); |
5f91c9e8 | 156 | TVector2 position(fkArea.LeftDownCorner()); |
157 | ||
158 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
159 | ||
160 | MoveRight(); | |
161 | ||
162 | // Set the column position to the center of pad | |
163 | // | |
164 | if (fCurrentPad.IsValid()) fCurrentColumnPosition = fCurrentPad.Position().X(); | |
165 | } | |
166 | ||
167 | //______________________________________________________________________________ | |
168 | void AliMpSectorAreaVPadIterator::Next() | |
169 | { | |
dee1d5f1 | 170 | /// Move the iterator to the next valid pad. |
5f91c9e8 | 171 | |
172 | if (!IsValid()) return; | |
173 | ||
174 | // Start position = up board of current pad + little step | |
175 | // | |
176 | TVector2 position | |
177 | = fCurrentPad.Position() | |
178 | + TVector2(0., fCurrentPad.Dimensions().Y() + AliMpConstants::LengthStep()); | |
179 | ||
180 | fCurrentPad = fkSegmentation->PadByDirection(position, fkArea.UpBorder()); | |
181 | ||
182 | if (fCurrentPad.IsValid()) return; | |
183 | ||
184 | MoveRight(); | |
185 | } | |
186 | ||
187 | //______________________________________________________________________________ | |
188 | Bool_t AliMpSectorAreaVPadIterator::IsDone() const | |
189 | { | |
dee1d5f1 | 190 | /// Is the iterator in the end ? |
191 | ||
5f91c9e8 | 192 | return !IsValid(); |
193 | } | |
194 | ||
195 | //______________________________________________________________________________ | |
196 | AliMpPad AliMpSectorAreaVPadIterator::CurrentItem () const | |
197 | { | |
dee1d5f1 | 198 | /// Return current pad. |
5f91c9e8 | 199 | |
200 | return fCurrentPad; | |
201 | } | |
202 | //______________________________________________________________________________ | |
203 | void AliMpSectorAreaVPadIterator::Invalidate() | |
204 | { | |
dee1d5f1 | 205 | /// Let the iterator point to the invalid position |
206 | ||
5f91c9e8 | 207 | fCurrentPad = AliMpPad::Invalid(); |
208 | fCurrentColumnPosition = 0; | |
209 | } | |
210 | ||
211 | ||
212 |