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e118b27e | 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 | // -------------------------------------- |
e118b27e | 19 | // Class AliMUONGeometryDetElement |
20 | // -------------------------------------- | |
21 | // The class defines the detection element. | |
e118b27e | 22 | // Author: Ivana Hrivnacova, IPN Orsay |
23 | ||
8c0e3489 | 24 | #include "AliMUONGeometryDetElement.h" |
e118b27e | 25 | |
26 | #include "AliLog.h" | |
27 | ||
8c0e3489 | 28 | #include <TGeoMatrix.h> |
29 | #include <Riostream.h> | |
30 | ||
31 | #include <sstream> | |
e118b27e | 32 | |
a9aad96e | 33 | /// \cond CLASSIMP |
e118b27e | 34 | ClassImp(AliMUONGeometryDetElement) |
a9aad96e | 35 | /// \endcond |
e118b27e | 36 | |
e9a283f7 | 37 | const TString AliMUONGeometryDetElement::fgkDENamePrefix = "DE"; |
38 | ||
e118b27e | 39 | //______________________________________________________________________________ |
40 | AliMUONGeometryDetElement::AliMUONGeometryDetElement( | |
41 | Int_t detElemId, | |
8c0e3489 | 42 | const TString& volumePath) |
e118b27e | 43 | : TObject(), |
e9a283f7 | 44 | fDEName(), |
8c0e3489 | 45 | fVolumePath(volumePath), |
e118b27e | 46 | fLocalTransformation(0), |
47 | fGlobalTransformation(0) | |
48 | { | |
692de412 | 49 | /// Standard constructor |
e118b27e | 50 | |
51 | SetUniqueID(detElemId); | |
e9a283f7 | 52 | |
53 | fDEName = fgkDENamePrefix; | |
54 | fDEName += detElemId; | |
e118b27e | 55 | } |
56 | ||
57 | //______________________________________________________________________________ | |
58 | AliMUONGeometryDetElement::AliMUONGeometryDetElement() | |
59 | : TObject(), | |
8c0e3489 | 60 | fVolumePath(), |
e118b27e | 61 | fLocalTransformation(0), |
62 | fGlobalTransformation(0) | |
63 | { | |
692de412 | 64 | /// Default constructor |
e118b27e | 65 | } |
66 | ||
e118b27e | 67 | //______________________________________________________________________________ |
692de412 | 68 | AliMUONGeometryDetElement::~AliMUONGeometryDetElement() |
69 | { | |
70 | /// Destructor | |
71 | ||
e118b27e | 72 | delete fLocalTransformation; |
73 | delete fGlobalTransformation; | |
74 | } | |
75 | ||
e118b27e | 76 | // |
77 | // private methods | |
78 | // | |
79 | ||
80 | //______________________________________________________________________________ | |
81 | void AliMUONGeometryDetElement::PrintTransform( | |
8c0e3489 | 82 | const TGeoHMatrix* transform) const |
e118b27e | 83 | { |
a9aad96e | 84 | /// Print the detection element transformation |
e118b27e | 85 | |
86 | cout << "DetElemId: " << GetUniqueID(); | |
8c0e3489 | 87 | cout << " name: " << fVolumePath << endl; |
88 | ||
89 | if ( !transform ) { | |
90 | cout << " Transformation not defined." << endl; | |
91 | return; | |
92 | } | |
e118b27e | 93 | |
94 | const double* translation = transform->GetTranslation(); | |
95 | cout << " translation: " | |
96 | #if defined (__DECCXX) | |
97 | << translation[0] << ", " | |
98 | << translation[1] << ", " | |
99 | << translation[2] << endl; | |
100 | #else | |
101 | << std::fixed | |
102 | << std::setw(7) << std::setprecision(4) << translation[0] << ", " | |
103 | << std::setw(7) << std::setprecision(4) << translation[1] << ", " | |
104 | << std::setw(7) << std::setprecision(4) << translation[2] << endl; | |
105 | #endif | |
106 | ||
107 | const double* rotation = transform->GetRotationMatrix(); | |
108 | cout << " rotation matrix: " | |
109 | #if defined (__DECCXX) | |
110 | << rotation[0] << ", " << rotation[1] << ", " << rotation[2] << endl | |
111 | << " " | |
112 | << rotation[3] << ", " << rotation[4] << ", " << rotation[5] << endl | |
113 | << " " | |
114 | << rotation[6] << ", " << rotation[7] << ", " << rotation[8] << endl; | |
115 | #else | |
116 | << std::fixed | |
117 | << std::setw(7) << std::setprecision(4) | |
118 | << rotation[0] << ", " << rotation[1] << ", " << rotation[2] << endl | |
119 | << " " | |
120 | << rotation[3] << ", " << rotation[4] << ", " << rotation[5] << endl | |
121 | << " " | |
122 | << rotation[6] << ", " << rotation[7] << ", " << rotation[8] << endl; | |
123 | #endif | |
124 | } | |
125 | ||
126 | // | |
127 | // public methods | |
128 | // | |
129 | ||
130 | //______________________________________________________________________________ | |
131 | void AliMUONGeometryDetElement::Global2Local( | |
132 | Float_t xg, Float_t yg, Float_t zg, | |
133 | Float_t& xl, Float_t& yl, Float_t& zl) const | |
134 | { | |
a9aad96e | 135 | /// Transform point from the global reference frame (ALIC) |
136 | /// to the local reference frame of this detection element. | |
e118b27e | 137 | |
138 | Double_t dxg = xg; | |
139 | Double_t dyg = yg; | |
140 | Double_t dzg = zg; | |
141 | ||
142 | Double_t dxl, dyl, dzl; | |
143 | Global2Local(dxg, dyg, dzg, dxl, dyl, dzl); | |
144 | ||
145 | xl = dxl; | |
146 | yl = dyl; | |
147 | zl = dzl; | |
148 | } | |
149 | ||
150 | //______________________________________________________________________________ | |
151 | void AliMUONGeometryDetElement::Global2Local( | |
152 | Double_t xg, Double_t yg, Double_t zg, | |
153 | Double_t& xl, Double_t& yl, Double_t& zl) const | |
154 | { | |
a9aad96e | 155 | /// Transform point from the global reference frame (ALIC) |
156 | /// to the local reference frame of this detection element | |
e118b27e | 157 | |
158 | // Check transformation | |
159 | if (!fGlobalTransformation) { | |
160 | AliError(Form("Global transformation for detection element %d not defined.", | |
161 | GetUniqueID())); | |
162 | return; | |
163 | } | |
164 | ||
165 | // Transform point | |
166 | Double_t pg[3] = { xg, yg, zg }; | |
167 | Double_t pl[3] = { 0., 0., 0. }; | |
168 | fGlobalTransformation->MasterToLocal(pg, pl); | |
169 | ||
170 | // Return transformed point | |
171 | xl = pl[0]; | |
172 | yl = pl[1]; | |
173 | zl = pl[2]; | |
174 | } | |
175 | ||
176 | //______________________________________________________________________________ | |
177 | void AliMUONGeometryDetElement::Local2Global( | |
178 | Float_t xl, Float_t yl, Float_t zl, | |
179 | Float_t& xg, Float_t& yg, Float_t& zg) const | |
180 | { | |
a9aad96e | 181 | /// Transform point from the local reference frame of this detection element |
182 | /// to the global reference frame (ALIC). | |
e118b27e | 183 | |
184 | Double_t dxl = xl; | |
185 | Double_t dyl = yl; | |
186 | Double_t dzl = zl; | |
187 | ||
188 | Double_t dxg, dyg, dzg; | |
189 | Local2Global(dxl, dyl, dzl, dxg, dyg, dzg); | |
190 | ||
191 | xg = dxg; | |
192 | yg = dyg; | |
193 | zg = dzg; | |
194 | } | |
195 | ||
196 | //______________________________________________________________________________ | |
197 | void AliMUONGeometryDetElement::Local2Global( | |
198 | Double_t xl, Double_t yl, Double_t zl, | |
199 | Double_t& xg, Double_t& yg, Double_t& zg) const | |
200 | { | |
a9aad96e | 201 | /// Transform point from the local reference frame of this detection element |
202 | /// to the global reference frame (ALIC). | |
e118b27e | 203 | |
204 | // Check transformation | |
205 | if (!fGlobalTransformation) { | |
206 | AliError(Form("Global transformation for detection element %d not defined.", | |
207 | GetUniqueID())); | |
208 | return; | |
209 | } | |
210 | ||
211 | // Transform point | |
212 | Double_t pl[3] = { xl, yl, zl }; | |
213 | Double_t pg[3] = { 0., 0., 0. }; | |
214 | fGlobalTransformation->LocalToMaster(pl, pg); | |
215 | ||
216 | // Return transformed point | |
217 | xg = pg[0]; | |
218 | yg = pg[1]; | |
219 | zg = pg[2]; | |
220 | } | |
221 | ||
8c0e3489 | 222 | //______________________________________________________________________________ |
223 | void AliMUONGeometryDetElement::SetLocalTransformation( | |
224 | const TGeoHMatrix& transform) | |
225 | { | |
a9aad96e | 226 | /// Set local transformation; |
227 | /// give warning if the global transformation is already defined. | |
8c0e3489 | 228 | |
229 | if (fLocalTransformation) { | |
230 | delete fLocalTransformation; | |
231 | AliWarning("Local transformation already defined was deleted."); | |
232 | } | |
233 | ||
234 | fLocalTransformation = new TGeoHMatrix(transform); | |
235 | } | |
236 | ||
e118b27e | 237 | //______________________________________________________________________________ |
238 | void AliMUONGeometryDetElement::SetGlobalTransformation( | |
8c0e3489 | 239 | const TGeoHMatrix& transform) |
e118b27e | 240 | { |
a9aad96e | 241 | /// Set global transformation; |
242 | /// give warning if the global transformation is already defined. | |
e118b27e | 243 | |
244 | if (fGlobalTransformation) { | |
245 | delete fGlobalTransformation; | |
246 | AliWarning("Global transformation already defined was deleted."); | |
247 | } | |
248 | ||
8c0e3489 | 249 | fGlobalTransformation = new TGeoHMatrix(transform); |
e118b27e | 250 | } |
251 | ||
252 | //______________________________________________________________________________ | |
253 | void AliMUONGeometryDetElement::PrintLocalTransform() const | |
254 | { | |
a9aad96e | 255 | /// Print detection element relative transformation |
692de412 | 256 | /// (the transformation wrt module frame) |
e118b27e | 257 | |
258 | PrintTransform(fLocalTransformation); | |
259 | } | |
260 | ||
261 | //______________________________________________________________________________ | |
262 | void AliMUONGeometryDetElement::PrintGlobalTransform() const | |
263 | { | |
a9aad96e | 264 | /// Print detection element global transformation |
692de412 | 265 | /// (the transformation wrt global frame) |
e118b27e | 266 | |
a42ddaa5 | 267 | PrintTransform(fGlobalTransformation); |
e118b27e | 268 | } |
8c0e3489 | 269 | |
270 | //______________________________________________________________________________ | |
271 | TString AliMUONGeometryDetElement::GetVolumeName() const | |
272 | { | |
273 | /// Extract volume name from the path | |
274 | ||
275 | std::string volPath = fVolumePath.Data(); | |
276 | std::string::size_type first = volPath.rfind('/')+1; | |
277 | std::string::size_type last = volPath.rfind('_'); | |
278 | ||
279 | return volPath.substr(first, last-first ); | |
280 | } | |
281 | ||
282 | //______________________________________________________________________________ | |
283 | Int_t AliMUONGeometryDetElement::GetVolumeCopyNo() const | |
284 | { | |
285 | /// Extract volume copyNo from the path | |
286 | ||
287 | string volPath = fVolumePath.Data(); | |
288 | std::string::size_type first = volPath.rfind('_'); | |
289 | std::string copyNoStr = volPath.substr(first+1, volPath.length()); | |
290 | std::istringstream in(copyNoStr); | |
291 | Int_t copyNo; | |
292 | in >> copyNo; | |
293 | ||
294 | return copyNo; | |
295 | } | |
296 |