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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 | ||
88cb7938 | 16 | /* $Id$ */ |
cc80f89e | 17 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Time Projection Chamber clusters objects // | |
21 | // | |
22 | // Origin: Marian Ivanov , GSI Darmstadt | |
23 | // // | |
24 | // // | |
25 | // // | |
26 | /////////////////////////////////////////////////////////////////////////////// | |
27 | #include "TError.h" | |
28 | #include "TClass.h" | |
29 | #include <TROOT.h> | |
c9787763 | 30 | #include "AliComplexCluster.h" |
cc80f89e | 31 | #include "AliClusters.h" |
cc80f89e | 32 | #include "TMarker.h" |
33 | ||
34 | ||
35 | const Int_t kDefSize = 1; //defalut size | |
36 | ||
37 | ||
38 | ClassImp(AliClusters) | |
39 | ||
40 | //***************************************************************************** | |
41 | // | |
42 | //_____________________________________________________________________________ | |
43 | AliClusters::AliClusters() | |
44 | { | |
45 | // | |
46 | //default constructor | |
73042f01 | 47 | // |
cc80f89e | 48 | fNclusters=0; |
49 | fClusters =0; | |
50 | fClass =0; | |
51 | } | |
52 | ||
73042f01 | 53 | //________________________________________________________________________ |
54 | AliClusters::~AliClusters() | |
55 | { | |
56 | // | |
57 | //default destructor | |
58 | // | |
59 | if (fClusters !=0) fClusters->Clear(); | |
60 | delete fClusters; | |
61 | } | |
62 | ||
63 | //_________________________________________________________________________ | |
64 | ||
cc80f89e | 65 | Bool_t AliClusters::SetClass(const Text_t *classname) |
66 | { | |
67 | // | |
68 | //set class of stored object | |
69 | if ( fClass !=0 ) { | |
bb5e9dae | 70 | // delete fClass; |
cc80f89e | 71 | fClass = 0; |
72 | } | |
73 | ||
74 | if (!gROOT) | |
75 | ::Fatal("AliClusters::SetClass", "ROOT system not initialized"); | |
76 | ||
77 | fClass = gROOT->GetClass(classname); | |
78 | if (!fClass) { | |
79 | Error("AliClusters", "%s is not a valid class name", classname); | |
80 | return kFALSE; | |
81 | } | |
73042f01 | 82 | if (!fClass->InheritsFrom(TObject::Class())) { |
83 | Error("AliClusters", "%s does not inherit from TObject", classname); | |
84 | return kFALSE; | |
85 | } | |
cc80f89e | 86 | return kTRUE; |
87 | } | |
88 | ||
89 | //_____________________________________________________________________________ | |
90 | void AliClusters::SetArray(Int_t length) | |
91 | { | |
92 | // | |
93 | // construct Clones array of object | |
94 | // | |
95 | if (fClusters!=0) delete fClusters; | |
96 | if (fClass==0){ | |
97 | Error("AliClusters", "cluster type not initialised \n SetClass before!"); | |
98 | return; | |
99 | } | |
100 | fClusters = new TClonesArray(fClass->GetName(),length); | |
101 | } | |
102 | ||
103 | ||
104 | ||
105 | //_____________________________________________________________________________ | |
73042f01 | 106 | const TObject* AliClusters::operator[](Int_t i) |
cc80f89e | 107 | { |
108 | // | |
109 | // return cluster at internal position i | |
110 | // | |
111 | if (fClusters==0) return 0; | |
73042f01 | 112 | return fClusters->UncheckedAt(i); |
cc80f89e | 113 | } |
114 | //_____________________________________________________________________________ | |
115 | void AliClusters::Sort() | |
116 | { | |
117 | // sort cluster | |
118 | if (fClusters!=0) fClusters->Sort(); | |
119 | } | |
120 | ||
121 | //_____________________________________________________________________________ | |
73042f01 | 122 | TObject * AliClusters::InsertCluster( const TObject * c) |
cc80f89e | 123 | { |
124 | // | |
125 | // Add a simulated cluster copy to the list | |
126 | // | |
127 | if (fClass==0) { | |
128 | Error("AliClusters", "class type not specified"); | |
129 | return 0; | |
130 | } | |
131 | if(!fClusters) fClusters=new TClonesArray(fClass->GetName(),1000); | |
132 | TClonesArray &lclusters = *fClusters; | |
c9787763 | 133 | return new(lclusters[fNclusters++]) AliComplexCluster(*((AliComplexCluster*)c)); |
cc80f89e | 134 | } |
135 | ||
136 | //_____________________________________________________________________________ | |
137 | Int_t AliClusters::Find(Double_t y) const | |
138 | { | |
139 | // | |
140 | // return index of cluster nearest to given y position | |
141 | // | |
c9787763 | 142 | AliComplexCluster* cl; |
143 | cl=(AliComplexCluster*)fClusters->UncheckedAt(0); | |
cc80f89e | 144 | if (y <= cl->fY) return 0; |
c9787763 | 145 | cl=(AliComplexCluster*)fClusters->UncheckedAt(fNclusters-1); |
cc80f89e | 146 | if (y > cl->fY) return fNclusters; |
147 | Int_t b=0, e=fNclusters-1, m=(b+e)/2; | |
148 | for (; b<e; m=(b+e)/2) { | |
c9787763 | 149 | cl = (AliComplexCluster*)fClusters->UncheckedAt(m); |
cc80f89e | 150 | if (y > cl->fY) b=m+1; |
151 | else e=m; | |
152 | } | |
153 | return m; | |
154 | } | |
155 | ||
156 | ||
157 | //_____________________________________________________________________________ | |
158 | ||
73042f01 | 159 | void AliClusters::DrawClusters(Float_t shiftx, Float_t shifty, |
cc80f89e | 160 | Int_t color, Int_t size, Int_t style) |
161 | { | |
162 | ||
163 | if (fClusters==0) return; | |
164 | //draw marker for each of cluster | |
165 | Int_t ncl=fClusters->GetEntriesFast(); | |
166 | for (Int_t i=0;i<ncl;i++){ | |
c9787763 | 167 | AliComplexCluster *cl = (AliComplexCluster*)fClusters->UncheckedAt(i); |
cc80f89e | 168 | TMarker * marker = new TMarker; |
169 | marker->SetX(cl->fX+shiftx); | |
170 | marker->SetY(cl->fY+shifty); | |
171 | marker->SetMarkerSize(size); | |
172 | marker->SetMarkerStyle(style); | |
173 | marker->SetMarkerColor(color); | |
174 | marker->Draw(); | |
175 | } | |
176 | } | |
177 |