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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 | //----------------------------------------------------------------------------- | |
19 | // Class AliMUONGeometryDetElement | |
20 | // -------------------------------------- | |
21 | // The class defines the detection element. | |
22 | // Author: Ivana Hrivnacova, IPN Orsay | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
25 | #include "AliMUONGeometryDetElement.h" | |
26 | ||
27 | #include "AliLog.h" | |
28 | ||
29 | #include <TGeoMatrix.h> | |
30 | #include <Riostream.h> | |
31 | ||
32 | #include <sstream> | |
33 | ||
34 | /// \cond CLASSIMP | |
35 | ClassImp(AliMUONGeometryDetElement) | |
36 | /// \endcond | |
37 | ||
38 | const TString AliMUONGeometryDetElement::fgkDENamePrefix = "DE"; | |
39 | ||
40 | //______________________________________________________________________________ | |
41 | TString AliMUONGeometryDetElement::GetDEName(Int_t detElemId) | |
42 | { | |
43 | /// Return the module name for given moduleId | |
44 | ||
45 | TString deName(fgkDENamePrefix); | |
46 | deName += detElemId; | |
47 | return deName; | |
48 | } | |
49 | ||
50 | //______________________________________________________________________________ | |
51 | AliMUONGeometryDetElement::AliMUONGeometryDetElement(Int_t detElemId) | |
52 | : TObject(), | |
53 | fDEName(GetDEName(detElemId)), | |
54 | fVolumePath(), | |
55 | fLocalTransformation(0), | |
56 | fGlobalTransformation(0) | |
57 | { | |
58 | /// Standard constructor | |
59 | ||
60 | SetUniqueID(detElemId); | |
61 | } | |
62 | ||
63 | //______________________________________________________________________________ | |
64 | AliMUONGeometryDetElement::AliMUONGeometryDetElement( | |
65 | Int_t detElemId, | |
66 | const TString& volumePath) | |
67 | : TObject(), | |
68 | fDEName(GetDEName(detElemId)), | |
69 | fVolumePath(volumePath), | |
70 | fLocalTransformation(0), | |
71 | fGlobalTransformation(0) | |
72 | { | |
73 | /// Standard constructor | |
74 | ||
75 | SetUniqueID(detElemId); | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | AliMUONGeometryDetElement::AliMUONGeometryDetElement(TRootIOCtor* /*ioCtor*/) | |
80 | : TObject(), | |
81 | fDEName(), | |
82 | fVolumePath(), | |
83 | fLocalTransformation(0), | |
84 | fGlobalTransformation(0) | |
85 | { | |
86 | /// Root IO constructor | |
87 | } | |
88 | ||
89 | //______________________________________________________________________________ | |
90 | AliMUONGeometryDetElement::~AliMUONGeometryDetElement() | |
91 | { | |
92 | /// Destructor | |
93 | ||
94 | delete fLocalTransformation; | |
95 | delete fGlobalTransformation; | |
96 | } | |
97 | ||
98 | // | |
99 | // private methods | |
100 | // | |
101 | ||
102 | //______________________________________________________________________________ | |
103 | void AliMUONGeometryDetElement::PrintTransform( | |
104 | const TGeoHMatrix* transform) const | |
105 | { | |
106 | /// Print the detection element transformation | |
107 | ||
108 | cout << "DetElemId: " << GetUniqueID(); | |
109 | cout << " name: " << fVolumePath << endl; | |
110 | ||
111 | if ( !transform ) { | |
112 | cout << " Transformation not defined." << endl; | |
113 | return; | |
114 | } | |
115 | ||
116 | const double* translation = transform->GetTranslation(); | |
117 | cout << " translation: " | |
118 | #if defined (__DECCXX) | |
119 | << translation[0] << ", " | |
120 | << translation[1] << ", " | |
121 | << translation[2] << endl; | |
122 | #else | |
123 | << std::fixed | |
124 | << std::setw(7) << std::setprecision(4) << translation[0] << ", " | |
125 | << std::setw(7) << std::setprecision(4) << translation[1] << ", " | |
126 | << std::setw(7) << std::setprecision(4) << translation[2] << endl; | |
127 | #endif | |
128 | ||
129 | const double* rotation = transform->GetRotationMatrix(); | |
130 | cout << " rotation matrix: " | |
131 | #if defined (__DECCXX) | |
132 | << rotation[0] << ", " << rotation[1] << ", " << rotation[2] << endl | |
133 | << " " | |
134 | << rotation[3] << ", " << rotation[4] << ", " << rotation[5] << endl | |
135 | << " " | |
136 | << rotation[6] << ", " << rotation[7] << ", " << rotation[8] << endl; | |
137 | #else | |
138 | << std::fixed | |
139 | << std::setw(7) << std::setprecision(4) | |
140 | << rotation[0] << ", " << rotation[1] << ", " << rotation[2] << endl | |
141 | << " " | |
142 | << rotation[3] << ", " << rotation[4] << ", " << rotation[5] << endl | |
143 | << " " | |
144 | << rotation[6] << ", " << rotation[7] << ", " << rotation[8] << endl; | |
145 | #endif | |
146 | } | |
147 | ||
148 | // | |
149 | // public methods | |
150 | // | |
151 | ||
152 | //______________________________________________________________________________ | |
153 | void AliMUONGeometryDetElement::Global2Local( | |
154 | Float_t xg, Float_t yg, Float_t zg, | |
155 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
156 | { | |
157 | /// Transform point from the global reference frame (ALIC) | |
158 | /// to the local reference frame of this detection element. | |
159 | ||
160 | Double_t dxg = xg; | |
161 | Double_t dyg = yg; | |
162 | Double_t dzg = zg; | |
163 | ||
164 | Double_t dxl, dyl, dzl; | |
165 | Global2Local(dxg, dyg, dzg, dxl, dyl, dzl); | |
166 | ||
167 | xl = dxl; | |
168 | yl = dyl; | |
169 | zl = dzl; | |
170 | } | |
171 | ||
172 | //______________________________________________________________________________ | |
173 | void AliMUONGeometryDetElement::Global2Local( | |
174 | Double_t xg, Double_t yg, Double_t zg, | |
175 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
176 | { | |
177 | /// Transform point from the global reference frame (ALIC) | |
178 | /// to the local reference frame of this detection element | |
179 | ||
180 | // Check transformation | |
181 | if (!fGlobalTransformation) { | |
182 | AliError(Form("Global transformation for detection element %d not defined.", | |
183 | GetUniqueID())); | |
184 | return; | |
185 | } | |
186 | ||
187 | // Transform point | |
188 | Double_t pg[3] = { xg, yg, zg }; | |
189 | Double_t pl[3] = { 0., 0., 0. }; | |
190 | fGlobalTransformation->MasterToLocal(pg, pl); | |
191 | ||
192 | // Return transformed point | |
193 | xl = pl[0]; | |
194 | yl = pl[1]; | |
195 | zl = pl[2]; | |
196 | } | |
197 | ||
198 | //______________________________________________________________________________ | |
199 | void AliMUONGeometryDetElement::Local2Global( | |
200 | Float_t xl, Float_t yl, Float_t zl, | |
201 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
202 | { | |
203 | /// Transform point from the local reference frame of this detection element | |
204 | /// to the global reference frame (ALIC). | |
205 | ||
206 | Double_t dxl = xl; | |
207 | Double_t dyl = yl; | |
208 | Double_t dzl = zl; | |
209 | ||
210 | Double_t dxg, dyg, dzg; | |
211 | Local2Global(dxl, dyl, dzl, dxg, dyg, dzg); | |
212 | ||
213 | xg = dxg; | |
214 | yg = dyg; | |
215 | zg = dzg; | |
216 | } | |
217 | ||
218 | //______________________________________________________________________________ | |
219 | void AliMUONGeometryDetElement::Local2Global( | |
220 | Double_t xl, Double_t yl, Double_t zl, | |
221 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
222 | { | |
223 | /// Transform point from the local reference frame of this detection element | |
224 | /// to the global reference frame (ALIC). | |
225 | ||
226 | // Check transformation | |
227 | if (!fGlobalTransformation) { | |
228 | AliError(Form("Global transformation for detection element %d not defined.", | |
229 | GetUniqueID())); | |
230 | return; | |
231 | } | |
232 | ||
233 | // Transform point | |
234 | Double_t pl[3] = { xl, yl, zl }; | |
235 | Double_t pg[3] = { 0., 0., 0. }; | |
236 | fGlobalTransformation->LocalToMaster(pl, pg); | |
237 | ||
238 | // Return transformed point | |
239 | xg = pg[0]; | |
240 | yg = pg[1]; | |
241 | zg = pg[2]; | |
242 | } | |
243 | ||
244 | //______________________________________________________________________________ | |
245 | void AliMUONGeometryDetElement::SetLocalTransformation( | |
246 | const TGeoHMatrix& transform) | |
247 | { | |
248 | /// Set local transformation; | |
249 | /// give warning if the global transformation is already defined. | |
250 | ||
251 | if (fLocalTransformation) { | |
252 | delete fLocalTransformation; | |
253 | AliWarning("Local transformation already defined was deleted."); | |
254 | } | |
255 | ||
256 | fLocalTransformation = new TGeoHMatrix(transform); | |
257 | } | |
258 | ||
259 | //______________________________________________________________________________ | |
260 | void AliMUONGeometryDetElement::SetGlobalTransformation( | |
261 | const TGeoHMatrix& transform) | |
262 | { | |
263 | /// Set global transformation; | |
264 | /// give warning if the global transformation is already defined. | |
265 | ||
266 | if (fGlobalTransformation) { | |
267 | delete fGlobalTransformation; | |
268 | AliWarning("Global transformation already defined was deleted."); | |
269 | } | |
270 | ||
271 | fGlobalTransformation = new TGeoHMatrix(transform); | |
272 | } | |
273 | ||
274 | //______________________________________________________________________________ | |
275 | void AliMUONGeometryDetElement::PrintLocalTransform() const | |
276 | { | |
277 | /// Print detection element relative transformation | |
278 | /// (the transformation wrt module frame) | |
279 | ||
280 | PrintTransform(fLocalTransformation); | |
281 | } | |
282 | ||
283 | //______________________________________________________________________________ | |
284 | void AliMUONGeometryDetElement::PrintGlobalTransform() const | |
285 | { | |
286 | /// Print detection element global transformation | |
287 | /// (the transformation wrt global frame) | |
288 | ||
289 | PrintTransform(fGlobalTransformation); | |
290 | } | |
291 | ||
292 | //______________________________________________________________________________ | |
293 | TString AliMUONGeometryDetElement::GetVolumeName() const | |
294 | { | |
295 | /// Extract volume name from the path | |
296 | ||
297 | std::string volPath = fVolumePath.Data(); | |
298 | std::string::size_type first = volPath.rfind('/')+1; | |
299 | std::string::size_type last = volPath.rfind('_'); | |
300 | ||
301 | return volPath.substr(first, last-first ); | |
302 | } | |
303 | ||
304 | //______________________________________________________________________________ | |
305 | Int_t AliMUONGeometryDetElement::GetVolumeCopyNo() const | |
306 | { | |
307 | /// Extract volume copyNo from the path | |
308 | ||
309 | string volPath = fVolumePath.Data(); | |
310 | std::string::size_type first = volPath.rfind('_'); | |
311 | std::string copyNoStr = volPath.substr(first+1, volPath.length()); | |
312 | std::istringstream in(copyNoStr); | |
313 | Int_t copyNo; | |
314 | in >> copyNo; | |
315 | ||
316 | return copyNo; | |
317 | } | |
318 |