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