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cc80f89e | 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 | /* | |
17 | $Log$ | |
c9787763 | 18 | Revision 1.3 2000/06/30 12:07:49 kowal2 |
19 | Updated from the TPC-PreRelease branch | |
20 | ||
73042f01 | 21 | Revision 1.2.4.2 2000/06/14 16:45:13 kowal2 |
22 | Improved algorithms. Compiler warnings removed. | |
23 | ||
24 | Revision 1.2.4.1 2000/06/09 07:09:29 kowal2 | |
25 | ||
26 | Clustering and tracking classes are splitted from the simulation ones | |
27 | ||
28 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
29 | removed obsolete AliTPCDigitsDisplay.C | |
30 | ||
cc80f89e | 31 | Revision 1.1.4.2 2000/04/10 11:34:02 kowal2 |
32 | ||
33 | Clusters handling in a new data structure | |
34 | ||
35 | */ | |
36 | ||
37 | /////////////////////////////////////////////////////////////////////////////// | |
38 | // // | |
39 | // Time Projection Chamber clusters objects // | |
40 | // | |
41 | // Origin: Marian Ivanov , GSI Darmstadt | |
42 | // // | |
43 | // // | |
44 | // // | |
45 | /////////////////////////////////////////////////////////////////////////////// | |
46 | #include "TError.h" | |
47 | #include "TClass.h" | |
48 | #include <TROOT.h> | |
c9787763 | 49 | #include "AliComplexCluster.h" |
cc80f89e | 50 | #include "AliClusters.h" |
cc80f89e | 51 | #include "TMarker.h" |
52 | ||
53 | ||
54 | const Int_t kDefSize = 1; //defalut size | |
55 | ||
56 | ||
57 | ClassImp(AliClusters) | |
58 | ||
59 | //***************************************************************************** | |
60 | // | |
61 | //_____________________________________________________________________________ | |
62 | AliClusters::AliClusters() | |
63 | { | |
64 | // | |
65 | //default constructor | |
73042f01 | 66 | // |
cc80f89e | 67 | fNclusters=0; |
68 | fClusters =0; | |
69 | fClass =0; | |
70 | } | |
71 | ||
73042f01 | 72 | //________________________________________________________________________ |
73 | AliClusters::~AliClusters() | |
74 | { | |
75 | // | |
76 | //default destructor | |
77 | // | |
78 | if (fClusters !=0) fClusters->Clear(); | |
79 | delete fClusters; | |
80 | } | |
81 | ||
82 | //_________________________________________________________________________ | |
83 | ||
cc80f89e | 84 | Bool_t AliClusters::SetClass(const Text_t *classname) |
85 | { | |
86 | // | |
87 | //set class of stored object | |
88 | if ( fClass !=0 ) { | |
89 | delete fClass; | |
90 | fClass = 0; | |
91 | } | |
92 | ||
93 | if (!gROOT) | |
94 | ::Fatal("AliClusters::SetClass", "ROOT system not initialized"); | |
95 | ||
96 | fClass = gROOT->GetClass(classname); | |
97 | if (!fClass) { | |
98 | Error("AliClusters", "%s is not a valid class name", classname); | |
99 | return kFALSE; | |
100 | } | |
73042f01 | 101 | if (!fClass->InheritsFrom(TObject::Class())) { |
102 | Error("AliClusters", "%s does not inherit from TObject", classname); | |
103 | return kFALSE; | |
104 | } | |
cc80f89e | 105 | return kTRUE; |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | void AliClusters::SetArray(Int_t length) | |
110 | { | |
111 | // | |
112 | // construct Clones array of object | |
113 | // | |
114 | if (fClusters!=0) delete fClusters; | |
115 | if (fClass==0){ | |
116 | Error("AliClusters", "cluster type not initialised \n SetClass before!"); | |
117 | return; | |
118 | } | |
119 | fClusters = new TClonesArray(fClass->GetName(),length); | |
120 | } | |
121 | ||
122 | ||
123 | ||
124 | //_____________________________________________________________________________ | |
73042f01 | 125 | const TObject* AliClusters::operator[](Int_t i) |
cc80f89e | 126 | { |
127 | // | |
128 | // return cluster at internal position i | |
129 | // | |
130 | if (fClusters==0) return 0; | |
73042f01 | 131 | return fClusters->UncheckedAt(i); |
cc80f89e | 132 | } |
133 | //_____________________________________________________________________________ | |
134 | void AliClusters::Sort() | |
135 | { | |
136 | // sort cluster | |
137 | if (fClusters!=0) fClusters->Sort(); | |
138 | } | |
139 | ||
140 | //_____________________________________________________________________________ | |
73042f01 | 141 | TObject * AliClusters::InsertCluster( const TObject * c) |
cc80f89e | 142 | { |
143 | // | |
144 | // Add a simulated cluster copy to the list | |
145 | // | |
146 | if (fClass==0) { | |
147 | Error("AliClusters", "class type not specified"); | |
148 | return 0; | |
149 | } | |
150 | if(!fClusters) fClusters=new TClonesArray(fClass->GetName(),1000); | |
151 | TClonesArray &lclusters = *fClusters; | |
c9787763 | 152 | return new(lclusters[fNclusters++]) AliComplexCluster(*((AliComplexCluster*)c)); |
cc80f89e | 153 | } |
154 | ||
155 | //_____________________________________________________________________________ | |
156 | Int_t AliClusters::Find(Double_t y) const | |
157 | { | |
158 | // | |
159 | // return index of cluster nearest to given y position | |
160 | // | |
c9787763 | 161 | AliComplexCluster* cl; |
162 | cl=(AliComplexCluster*)fClusters->UncheckedAt(0); | |
cc80f89e | 163 | if (y <= cl->fY) return 0; |
c9787763 | 164 | cl=(AliComplexCluster*)fClusters->UncheckedAt(fNclusters-1); |
cc80f89e | 165 | if (y > cl->fY) return fNclusters; |
166 | Int_t b=0, e=fNclusters-1, m=(b+e)/2; | |
167 | for (; b<e; m=(b+e)/2) { | |
c9787763 | 168 | cl = (AliComplexCluster*)fClusters->UncheckedAt(m); |
cc80f89e | 169 | if (y > cl->fY) b=m+1; |
170 | else e=m; | |
171 | } | |
172 | return m; | |
173 | } | |
174 | ||
175 | ||
176 | //_____________________________________________________________________________ | |
177 | ||
73042f01 | 178 | void AliClusters::DrawClusters(Float_t shiftx, Float_t shifty, |
cc80f89e | 179 | Int_t color, Int_t size, Int_t style) |
180 | { | |
181 | ||
182 | if (fClusters==0) return; | |
183 | //draw marker for each of cluster | |
184 | Int_t ncl=fClusters->GetEntriesFast(); | |
185 | for (Int_t i=0;i<ncl;i++){ | |
c9787763 | 186 | AliComplexCluster *cl = (AliComplexCluster*)fClusters->UncheckedAt(i); |
cc80f89e | 187 | TMarker * marker = new TMarker; |
188 | marker->SetX(cl->fX+shiftx); | |
189 | marker->SetY(cl->fY+shifty); | |
190 | marker->SetMarkerSize(size); | |
191 | marker->SetMarkerStyle(style); | |
192 | marker->SetMarkerColor(color); | |
193 | marker->Draw(); | |
194 | } | |
195 | } | |
196 |