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