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55f0ce5b | 1 | /************************************************************************** |
2 | * Copyright(c) 2004, 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 | /* $Id$ */ | |
16 | /** @file AliFMDDigit.cxx | |
17 | @author Christian Holm Christensen <cholm@nbi.dk> | |
18 | @date Mon Mar 27 12:37:41 2006 | |
19 | @brief Digits for the FMD | |
20 | */ | |
21 | ////////////////////////////////////////////////////////////////////// | |
22 | // | |
23 | // Class that holds an FMD index. That is, it holds the detector | |
24 | // coordinates for a given strip: | |
25 | // | |
26 | // Variable | Type | Range | Description | |
27 | // ---------+----------+---------+------------------ | |
28 | // detector | UShort_t | 1-3 | Detector number | |
29 | // ring | Char_t | 'I'/'O' | Ring identifier | |
30 | // sector | UShort_t | 0-39 | Sector number | |
31 | // strip | UShort_t | 0-511 | Strip number | |
32 | // | |
33 | ////////////////////////////////////////////////////////////////////// | |
34 | ||
35 | #include "AliFMDIndex.h" // ALIFMDINDEX_H | |
36 | #include "Riostream.h" // ROOT_Riostream | |
37 | #include <TString.h> // ROOT_TString | |
38 | #include <AliFMDMap.h> | |
39 | ||
40 | //==================================================================== | |
cdd730d0 | 41 | using std::cout; |
42 | using std::flush; | |
55f0ce5b | 43 | ClassImp(AliFMDIndex) |
44 | #if 0 | |
45 | ; // This is here to keep Emacs from indenting the next line | |
46 | #endif | |
47 | ||
48 | //____________________________________________________________________ | |
49 | AliFMDIndex::AliFMDIndex() | |
50 | : fDetector(0), | |
51 | fRing('\0'), | |
52 | fSector(0), | |
53 | fStrip(0), | |
b5ee4425 | 54 | fName(""), |
55 | fHash(-1) | |
02a27b50 | 56 | { |
57 | // CTOR | |
58 | } | |
55f0ce5b | 59 | |
60 | //____________________________________________________________________ | |
61 | AliFMDIndex::AliFMDIndex(const AliFMDIndex& o) | |
62 | : fDetector(o.fDetector), | |
63 | fRing(o.fRing), | |
64 | fSector(o.fSector), | |
65 | fStrip(o.fStrip), | |
b5ee4425 | 66 | fName(""), |
55f0ce5b | 67 | fHash(o.fHash) |
68 | { | |
69 | // Copy constructor | |
70 | } | |
71 | ||
72 | //____________________________________________________________________ | |
73 | AliFMDIndex::AliFMDIndex(UShort_t detector, | |
74 | Char_t ring, | |
75 | UShort_t sector, | |
76 | UShort_t strip) | |
77 | : fDetector(detector), | |
78 | fRing(ring), | |
79 | fSector(sector), | |
80 | fStrip(strip), | |
b5ee4425 | 81 | fName(""), |
55f0ce5b | 82 | fHash(-1) |
83 | { | |
84 | // | |
85 | // Creates a base data digit object | |
86 | // | |
87 | // Parameters | |
88 | // | |
89 | // detector Detector # (1, 2, or 3) | |
90 | // ring Ring ID ('I' or 'O') | |
91 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
92 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
93 | } | |
94 | ||
95 | //____________________________________________________________________ | |
96 | AliFMDIndex& | |
97 | AliFMDIndex::operator=(const AliFMDIndex& o) | |
98 | { | |
99 | // Assignment operator | |
d015ecfe | 100 | if (&o == this) return *this; |
55f0ce5b | 101 | fDetector = o.fDetector; |
102 | fRing = o.fRing; | |
103 | fSector = o.fSector; | |
104 | fStrip = o.fStrip; | |
105 | fHash = o.fHash; | |
106 | return *this; | |
107 | } | |
108 | ||
109 | //____________________________________________________________________ | |
110 | Int_t | |
111 | AliFMDIndex::Hash() const | |
112 | { | |
02a27b50 | 113 | // calculate hash value |
55f0ce5b | 114 | if (fHash < 0) { |
115 | size_t ringi = (fRing == 'I' || fRing == 'i' ? 0 : 1); | |
116 | fHash = (fStrip + | |
117 | AliFMDMap::kMaxStrips * | |
118 | (fSector + AliFMDMap::kMaxSectors * | |
119 | (ringi + AliFMDMap::kMaxRings * (fDetector-1)))); | |
120 | } | |
121 | return fHash; | |
122 | } | |
123 | ||
124 | ||
125 | //____________________________________________________________________ | |
126 | void | |
127 | AliFMDIndex::Print(Option_t* /* option*/) const | |
128 | { | |
129 | // Print digit to standard out | |
130 | cout << Name() << flush; | |
131 | } | |
132 | ||
133 | //____________________________________________________________________ | |
134 | const char* | |
135 | AliFMDIndex::Name() const | |
136 | { | |
02a27b50 | 137 | // GEt the name of the index |
55f0ce5b | 138 | if (fName.IsNull()) |
139 | fName = Form("FMD%d%c[%2d,%3d]", fDetector, fRing, fSector, fStrip); | |
140 | return fName.Data(); | |
141 | } | |
142 | ||
143 | //==================================================================== | |
144 | ClassImp(AliFMDObjIndex) | |
145 | #if 0 | |
146 | ; // This is here to keep Emacs from indenting the next line | |
147 | #endif | |
148 | ||
149 | //____________________________________________________________________ | |
150 | Int_t | |
151 | AliFMDObjIndex::Compare(const TObject* o) const | |
152 | { | |
02a27b50 | 153 | // Compare to another index |
55f0ce5b | 154 | const AliFMDObjIndex* a = dynamic_cast<const AliFMDObjIndex*>(o); |
155 | if (!a) { | |
156 | Fatal("Compare", | |
157 | "trying to compare to something not a AliFMDObjIndex object, " | |
158 | "but a %s object", o->ClassName()); | |
159 | return 0; | |
160 | } | |
161 | if (this->operator<(*a)) return -1; | |
162 | if (this->operator==(*a)) return 0; | |
163 | return 1; | |
164 | } | |
165 | ||
166 | //____________________________________________________________________ | |
167 | // | |
168 | // EOF | |
169 | // |