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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 | // | |
f7006443 | 18 | // ------------------------------------- |
4f8b0abb | 19 | // Class AliMUONGeometryModuleTransformer |
20 | // ------------------------------------- | |
21 | // Class for definition of the detector module transformations | |
4f8b0abb | 22 | // Author: Ivana Hrivnacova, IPN Orsay |
23 | ||
ab488200 | 24 | #include "AliMUONGeometryModuleTransformer.h" |
25 | #include "AliMUONGeometryDetElement.h" | |
26 | #include "AliMUONGeometryStore.h" | |
27 | ||
28 | #include "AliLog.h" | |
29 | ||
4f8b0abb | 30 | #include <TVirtualMC.h> |
31 | #include <TGeoMatrix.h> | |
32 | #include <TObjArray.h> | |
33 | #include <TArrayI.h> | |
34 | #include <Riostream.h> | |
35 | ||
4f8b0abb | 36 | ClassImp(AliMUONGeometryModuleTransformer) |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(Int_t moduleId) | |
40 | : TObject(), | |
41 | fModuleId(moduleId), | |
ab488200 | 42 | fVolumePath(), |
4f8b0abb | 43 | fTransformation(0), |
44 | fDetElements(0) | |
45 | { | |
46 | /// Standard constructor | |
47 | ||
48 | // Chamber transformation | |
ab488200 | 49 | fTransformation = new TGeoHMatrix(""); |
4f8b0abb | 50 | |
51 | // Det elements transformation stores | |
52 | fDetElements = new AliMUONGeometryStore(true); | |
53 | } | |
54 | ||
55 | ||
56 | //______________________________________________________________________________ | |
57 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer() | |
58 | : TObject(), | |
59 | fModuleId(0), | |
ab488200 | 60 | fVolumePath(), |
4f8b0abb | 61 | fTransformation(0), |
62 | fDetElements(0) | |
63 | { | |
64 | /// Default constructor | |
65 | } | |
66 | ||
67 | ||
68 | //______________________________________________________________________________ | |
69 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer( | |
70 | const AliMUONGeometryModuleTransformer& rhs) | |
71 | : TObject(rhs) | |
72 | { | |
73 | /// Protected copy constructor | |
74 | ||
75 | AliFatal("Copy constructor is not implemented."); | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | AliMUONGeometryModuleTransformer::~AliMUONGeometryModuleTransformer() | |
80 | { | |
81 | /// Destructor | |
82 | ||
83 | delete fTransformation; | |
84 | delete fDetElements; | |
85 | } | |
86 | ||
87 | //______________________________________________________________________________ | |
88 | AliMUONGeometryModuleTransformer& | |
89 | AliMUONGeometryModuleTransformer::operator = ( | |
90 | const AliMUONGeometryModuleTransformer& rhs) | |
91 | { | |
92 | /// Protected assignement operator | |
93 | ||
94 | // check assignement to self | |
95 | if (this == &rhs) return *this; | |
96 | ||
97 | AliFatal("Assignment operator is not implemented."); | |
98 | ||
99 | return *this; | |
100 | } | |
101 | ||
102 | // | |
103 | // public methods | |
104 | // | |
105 | ||
106 | //______________________________________________________________________________ | |
107 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
108 | Float_t xg, Float_t yg, Float_t zg, | |
109 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
110 | { | |
111 | /// Transform point from the global reference frame (ALIC) | |
112 | /// to the local reference frame of the detection element specified | |
113 | /// by detElemId. | |
114 | ||
115 | // Get detection element | |
116 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
117 | if (!detElement) return; | |
118 | ||
119 | // Transform point | |
120 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
121 | } | |
122 | ||
123 | //______________________________________________________________________________ | |
124 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
125 | Double_t xg, Double_t yg, Double_t zg, | |
126 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
127 | { | |
128 | /// Transform point from the global reference frame (ALIC) | |
129 | /// to the local reference frame of the detection element specified | |
130 | /// by detElemId. | |
131 | ||
132 | // Get detection element | |
133 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
134 | if (!detElement) return; | |
135 | ||
136 | // Transform point | |
137 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
138 | } | |
139 | ||
140 | //______________________________________________________________________________ | |
141 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
142 | Float_t xl, Float_t yl, Float_t zl, | |
143 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
144 | { | |
145 | /// Transform point from the local reference frame of the detection element | |
146 | /// specified by detElemId to the global reference frame (ALIC). | |
147 | ||
148 | // Get detection element | |
149 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
150 | if (!detElement) return; | |
151 | ||
152 | // Transform point | |
153 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
154 | } | |
155 | ||
156 | //______________________________________________________________________________ | |
157 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
158 | Double_t xl, Double_t yl, Double_t zl, | |
159 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
160 | { | |
161 | /// Transform point from the local reference frame of the detection element | |
162 | /// specified by detElemId to the global reference frame (ALIC). | |
163 | ||
164 | // Get detection element | |
165 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
166 | if (!detElement) return; | |
167 | ||
168 | // Transform point | |
169 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
170 | } | |
171 | ||
172 | //______________________________________________________________________________ | |
173 | void AliMUONGeometryModuleTransformer::SetTransformation( | |
ab488200 | 174 | const TGeoHMatrix& transform) |
4f8b0abb | 175 | { |
176 | /// Set the module position wrt world. | |
177 | ||
178 | *fTransformation = transform; | |
179 | } | |
180 | ||
ab488200 | 181 | //______________________________________________________________________________ |
182 | TString AliMUONGeometryModuleTransformer::GetVolumeName() const | |
183 | { | |
184 | /// Extract volume name from the path | |
185 | ||
186 | std::string volPath = fVolumePath.Data(); | |
187 | std::string::size_type first = volPath.rfind('/')+1; | |
188 | std::string::size_type last = volPath.rfind('_'); | |
189 | ||
190 | return volPath.substr(first, last-first ); | |
191 | } | |
192 | ||
193 | //______________________________________________________________________________ | |
194 | TString AliMUONGeometryModuleTransformer::GetMotherVolumeName() const | |
195 | { | |
196 | /// Extract volume name from the path | |
197 | ||
198 | std::string volPath = fVolumePath.Data(); | |
199 | std::string::size_type first = volPath.rfind('/'); | |
200 | volPath = volPath.substr(0, first); | |
201 | ||
202 | std::string::size_type next = volPath.rfind('/')+1; | |
203 | std::string::size_type last = volPath.rfind('_'); | |
204 | ||
205 | return volPath.substr(next, last-next ); | |
206 | } | |
207 | ||
4f8b0abb | 208 | //______________________________________________________________________________ |
209 | AliMUONGeometryDetElement* | |
b75f649b | 210 | AliMUONGeometryModuleTransformer::GetDetElement(Int_t detElemId, Bool_t warn) const |
4f8b0abb | 211 | { |
212 | /// Return the detection element specified by detElemId. | |
213 | /// Give error if detection element is not defined. | |
214 | ||
215 | // Get detection element | |
216 | AliMUONGeometryDetElement* detElement | |
b75f649b | 217 | = (AliMUONGeometryDetElement*) fDetElements->Get(detElemId, warn); |
4f8b0abb | 218 | |
219 | if (!detElement) { | |
b75f649b | 220 | if (warn) |
221 | AliErrorStream() | |
222 | << "Detection element " << detElemId | |
223 | << " not found in module " << fModuleId << endl; | |
4f8b0abb | 224 | return 0; |
225 | } | |
226 | ||
227 | return detElement; | |
228 | } |