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4f8b0abb | 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 | // $Id$ | |
17 | // | |
18 | // Class AliMUONGeometryModuleTransformer | |
19 | // ------------------------------------- | |
20 | // Class for definition of the detector module transformations | |
21 | // | |
22 | // Author: Ivana Hrivnacova, IPN Orsay | |
23 | ||
24 | #include <TVirtualMC.h> | |
25 | #include <TGeoMatrix.h> | |
26 | #include <TObjArray.h> | |
27 | #include <TArrayI.h> | |
28 | #include <Riostream.h> | |
29 | ||
30 | #include "AliLog.h" | |
31 | ||
32 | #include "AliMUONGeometryModuleTransformer.h" | |
33 | #include "AliMUONGeometryDetElement.h" | |
34 | #include "AliMUONGeometryStore.h" | |
35 | ||
36 | ClassImp(AliMUONGeometryModuleTransformer) | |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(Int_t moduleId) | |
40 | : TObject(), | |
41 | fModuleId(moduleId), | |
42 | fTransformation(0), | |
43 | fDetElements(0) | |
44 | { | |
45 | /// Standard constructor | |
46 | ||
47 | // Chamber transformation | |
48 | fTransformation = new TGeoCombiTrans(""); | |
49 | ||
50 | // Det elements transformation stores | |
51 | fDetElements = new AliMUONGeometryStore(true); | |
52 | } | |
53 | ||
54 | ||
55 | //______________________________________________________________________________ | |
56 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer() | |
57 | : TObject(), | |
58 | fModuleId(0), | |
59 | fTransformation(0), | |
60 | fDetElements(0) | |
61 | { | |
62 | /// Default constructor | |
63 | } | |
64 | ||
65 | ||
66 | //______________________________________________________________________________ | |
67 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer( | |
68 | const AliMUONGeometryModuleTransformer& rhs) | |
69 | : TObject(rhs) | |
70 | { | |
71 | /// Protected copy constructor | |
72 | ||
73 | AliFatal("Copy constructor is not implemented."); | |
74 | } | |
75 | ||
76 | //______________________________________________________________________________ | |
77 | AliMUONGeometryModuleTransformer::~AliMUONGeometryModuleTransformer() | |
78 | { | |
79 | /// Destructor | |
80 | ||
81 | delete fTransformation; | |
82 | delete fDetElements; | |
83 | } | |
84 | ||
85 | //______________________________________________________________________________ | |
86 | AliMUONGeometryModuleTransformer& | |
87 | AliMUONGeometryModuleTransformer::operator = ( | |
88 | const AliMUONGeometryModuleTransformer& rhs) | |
89 | { | |
90 | /// Protected assignement operator | |
91 | ||
92 | // check assignement to self | |
93 | if (this == &rhs) return *this; | |
94 | ||
95 | AliFatal("Assignment operator is not implemented."); | |
96 | ||
97 | return *this; | |
98 | } | |
99 | ||
100 | // | |
101 | // public methods | |
102 | // | |
103 | ||
104 | //______________________________________________________________________________ | |
105 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
106 | Float_t xg, Float_t yg, Float_t zg, | |
107 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
108 | { | |
109 | /// Transform point from the global reference frame (ALIC) | |
110 | /// to the local reference frame of the detection element specified | |
111 | /// by detElemId. | |
112 | ||
113 | // Get detection element | |
114 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
115 | if (!detElement) return; | |
116 | ||
117 | // Transform point | |
118 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
119 | } | |
120 | ||
121 | //______________________________________________________________________________ | |
122 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
123 | Double_t xg, Double_t yg, Double_t zg, | |
124 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
125 | { | |
126 | /// Transform point from the global reference frame (ALIC) | |
127 | /// to the local reference frame of the detection element specified | |
128 | /// by detElemId. | |
129 | ||
130 | // Get detection element | |
131 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
132 | if (!detElement) return; | |
133 | ||
134 | // Transform point | |
135 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
136 | } | |
137 | ||
138 | //______________________________________________________________________________ | |
139 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
140 | Float_t xl, Float_t yl, Float_t zl, | |
141 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
142 | { | |
143 | /// Transform point from the local reference frame of the detection element | |
144 | /// specified by detElemId to the global reference frame (ALIC). | |
145 | ||
146 | // Get detection element | |
147 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
148 | if (!detElement) return; | |
149 | ||
150 | // Transform point | |
151 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
152 | } | |
153 | ||
154 | //______________________________________________________________________________ | |
155 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
156 | Double_t xl, Double_t yl, Double_t zl, | |
157 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
158 | { | |
159 | /// Transform point from the local reference frame of the detection element | |
160 | /// specified by detElemId to the global reference frame (ALIC). | |
161 | ||
162 | // Get detection element | |
163 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
164 | if (!detElement) return; | |
165 | ||
166 | // Transform point | |
167 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
168 | } | |
169 | ||
170 | //______________________________________________________________________________ | |
171 | void AliMUONGeometryModuleTransformer::SetTransformation( | |
172 | const TGeoCombiTrans& transform) | |
173 | { | |
174 | /// Set the module position wrt world. | |
175 | ||
176 | *fTransformation = transform; | |
177 | } | |
178 | ||
179 | //______________________________________________________________________________ | |
180 | AliMUONGeometryDetElement* | |
b75f649b | 181 | AliMUONGeometryModuleTransformer::GetDetElement(Int_t detElemId, Bool_t warn) const |
4f8b0abb | 182 | { |
183 | /// Return the detection element specified by detElemId. | |
184 | /// Give error if detection element is not defined. | |
185 | ||
186 | // Get detection element | |
187 | AliMUONGeometryDetElement* detElement | |
b75f649b | 188 | = (AliMUONGeometryDetElement*) fDetElements->Get(detElemId, warn); |
4f8b0abb | 189 | |
190 | if (!detElement) { | |
b75f649b | 191 | if (warn) |
192 | AliErrorStream() | |
193 | << "Detection element " << detElemId | |
194 | << " not found in module " << fModuleId << endl; | |
4f8b0abb | 195 | return 0; |
196 | } | |
197 | ||
198 | return detElement; | |
199 | } |