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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 | // $Id$ | |
3d1463c8 | 17 | |
18 | //----------------------------------------------------------------------------- | |
4f8b0abb | 19 | // Class AliMUONGeometryModuleTransformer |
20 | // ------------------------------------- | |
21 | // Class for definition of the detector module transformations | |
4f8b0abb | 22 | // Author: Ivana Hrivnacova, IPN Orsay |
3d1463c8 | 23 | //----------------------------------------------------------------------------- |
4f8b0abb | 24 | |
ab488200 | 25 | #include "AliMUONGeometryModuleTransformer.h" |
26 | #include "AliMUONGeometryDetElement.h" | |
fa66b479 | 27 | |
28 | #include "AliMpExMap.h" | |
ab488200 | 29 | |
30 | #include "AliLog.h" | |
31 | ||
4f8b0abb | 32 | #include <TVirtualMC.h> |
33 | #include <TGeoMatrix.h> | |
34 | #include <TObjArray.h> | |
35 | #include <TArrayI.h> | |
36 | #include <Riostream.h> | |
37 | ||
a9aad96e | 38 | /// \cond CLASSIMP |
4f8b0abb | 39 | ClassImp(AliMUONGeometryModuleTransformer) |
a9aad96e | 40 | /// \endcond |
4f8b0abb | 41 | |
31edb2d7 | 42 | // |
43 | // static methods | |
44 | // | |
45 | ||
46 | //______________________________________________________________________________ | |
47 | const TString& AliMUONGeometryModuleTransformer::GetModuleNamePrefix() | |
48 | { | |
49 | /// Geometry module name prefix | |
d53c7bc2 | 50 | static const TString kModuleNamePrefix = "GM"; |
31edb2d7 | 51 | return kModuleNamePrefix; |
52 | } | |
eb288296 | 53 | |
1f687625 | 54 | //______________________________________________________________________________ |
55 | TString AliMUONGeometryModuleTransformer::GetModuleName(Int_t moduleId) | |
56 | { | |
57 | /// Return the module name for given moduleId | |
58 | ||
31edb2d7 | 59 | TString moduleName(GetModuleNamePrefix()); |
1f687625 | 60 | moduleName += moduleId; |
61 | return moduleName; | |
62 | } | |
63 | ||
31edb2d7 | 64 | // |
65 | // ctor, dtor | |
66 | // | |
67 | ||
4f8b0abb | 68 | //______________________________________________________________________________ |
69 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(Int_t moduleId) | |
70 | : TObject(), | |
71 | fModuleId(moduleId), | |
1f687625 | 72 | fModuleName(GetModuleName(moduleId)), |
ab488200 | 73 | fVolumePath(), |
4f8b0abb | 74 | fTransformation(0), |
75 | fDetElements(0) | |
76 | { | |
77 | /// Standard constructor | |
78 | ||
79 | // Chamber transformation | |
ab488200 | 80 | fTransformation = new TGeoHMatrix(""); |
4f8b0abb | 81 | |
82 | // Det elements transformation stores | |
630711ed | 83 | fDetElements = new AliMpExMap; |
4f8b0abb | 84 | } |
85 | ||
86 | ||
87 | //______________________________________________________________________________ | |
1f687625 | 88 | AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(TRootIOCtor* /*ioCtor*/) |
4f8b0abb | 89 | : TObject(), |
90 | fModuleId(0), | |
eb288296 | 91 | fModuleName(), |
ab488200 | 92 | fVolumePath(), |
4f8b0abb | 93 | fTransformation(0), |
94 | fDetElements(0) | |
95 | { | |
1f687625 | 96 | /// Root IO constructor |
4f8b0abb | 97 | } |
98 | ||
99 | ||
4f8b0abb | 100 | //______________________________________________________________________________ |
101 | AliMUONGeometryModuleTransformer::~AliMUONGeometryModuleTransformer() | |
102 | { | |
103 | /// Destructor | |
104 | ||
105 | delete fTransformation; | |
106 | delete fDetElements; | |
107 | } | |
108 | ||
4f8b0abb | 109 | // |
110 | // public methods | |
111 | // | |
112 | ||
113 | //______________________________________________________________________________ | |
114 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
115 | Float_t xg, Float_t yg, Float_t zg, | |
116 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
117 | { | |
118 | /// Transform point from the global reference frame (ALIC) | |
119 | /// to the local reference frame of the detection element specified | |
120 | /// by detElemId. | |
121 | ||
122 | // Get detection element | |
123 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
124 | if (!detElement) return; | |
125 | ||
126 | // Transform point | |
127 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
128 | } | |
129 | ||
130 | //______________________________________________________________________________ | |
131 | void AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId, | |
132 | Double_t xg, Double_t yg, Double_t zg, | |
133 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
134 | { | |
135 | /// Transform point from the global reference frame (ALIC) | |
136 | /// to the local reference frame of the detection element specified | |
137 | /// by detElemId. | |
138 | ||
139 | // Get detection element | |
140 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
141 | if (!detElement) return; | |
142 | ||
143 | // Transform point | |
144 | detElement->Global2Local(xg, yg, zg, xl, yl, zl); | |
145 | } | |
146 | ||
147 | //______________________________________________________________________________ | |
148 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
149 | Float_t xl, Float_t yl, Float_t zl, | |
150 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
151 | { | |
152 | /// Transform point from the local reference frame of the detection element | |
153 | /// specified by detElemId to the global reference frame (ALIC). | |
154 | ||
155 | // Get detection element | |
156 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
157 | if (!detElement) return; | |
158 | ||
159 | // Transform point | |
160 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
161 | } | |
162 | ||
163 | //______________________________________________________________________________ | |
164 | void AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId, | |
165 | Double_t xl, Double_t yl, Double_t zl, | |
166 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
167 | { | |
168 | /// Transform point from the local reference frame of the detection element | |
169 | /// specified by detElemId to the global reference frame (ALIC). | |
170 | ||
171 | // Get detection element | |
172 | AliMUONGeometryDetElement* detElement = GetDetElement(detElemId); | |
173 | if (!detElement) return; | |
174 | ||
175 | // Transform point | |
176 | detElement->Local2Global(xl, yl, zl, xg, yg, zg); | |
177 | } | |
178 | ||
179 | //______________________________________________________________________________ | |
180 | void AliMUONGeometryModuleTransformer::SetTransformation( | |
ab488200 | 181 | const TGeoHMatrix& transform) |
4f8b0abb | 182 | { |
183 | /// Set the module position wrt world. | |
184 | ||
185 | *fTransformation = transform; | |
186 | } | |
187 | ||
ab488200 | 188 | //______________________________________________________________________________ |
189 | TString AliMUONGeometryModuleTransformer::GetVolumeName() const | |
190 | { | |
191 | /// Extract volume name from the path | |
192 | ||
193 | std::string volPath = fVolumePath.Data(); | |
194 | std::string::size_type first = volPath.rfind('/')+1; | |
195 | std::string::size_type last = volPath.rfind('_'); | |
196 | ||
197 | return volPath.substr(first, last-first ); | |
198 | } | |
199 | ||
200 | //______________________________________________________________________________ | |
201 | TString AliMUONGeometryModuleTransformer::GetMotherVolumeName() const | |
202 | { | |
a9aad96e | 203 | /// Extract mother volume name from the path |
ab488200 | 204 | |
205 | std::string volPath = fVolumePath.Data(); | |
206 | std::string::size_type first = volPath.rfind('/'); | |
1a8a2a9e | 207 | if ( first != std::string::npos ) |
208 | volPath = volPath.substr(0, first); | |
ab488200 | 209 | |
210 | std::string::size_type next = volPath.rfind('/')+1; | |
211 | std::string::size_type last = volPath.rfind('_'); | |
212 | ||
213 | return volPath.substr(next, last-next ); | |
214 | } | |
215 | ||
4f8b0abb | 216 | //______________________________________________________________________________ |
217 | AliMUONGeometryDetElement* | |
b75f649b | 218 | AliMUONGeometryModuleTransformer::GetDetElement(Int_t detElemId, Bool_t warn) const |
4f8b0abb | 219 | { |
220 | /// Return the detection element specified by detElemId. | |
a9aad96e | 221 | /// Give error if detection element is not defined and warn is true. |
4f8b0abb | 222 | |
223 | // Get detection element | |
224 | AliMUONGeometryDetElement* detElement | |
fa66b479 | 225 | = (AliMUONGeometryDetElement*) fDetElements->GetValue(detElemId); |
4f8b0abb | 226 | |
227 | if (!detElement) { | |
b75f649b | 228 | if (warn) |
229 | AliErrorStream() | |
230 | << "Detection element " << detElemId | |
231 | << " not found in module " << fModuleId << endl; | |
4f8b0abb | 232 | return 0; |
233 | } | |
234 | ||
235 | return detElement; | |
236 | } |