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