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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 | |
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16 | /* |
17 | $Id$ |
18 | */ |
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19 | //////////////////////////////////////////////////////////////////////// |
20 | // This is the implementation file for AliITSgeomMatrix class. It |
21 | // contains the routines to manipulate, setup, and queary the geometry |
22 | // of a given ITS module. An ITS module may be one of at least three |
23 | // ITS detector technologies, Silicon Pixel, Drift, or Strip Detectors, |
24 | // and variations of these in size and/or layout. These routines let |
25 | // one go between ALICE global coordiantes (cm) to a given modules |
26 | // specific local coordinates (cm). |
27 | //////////////////////////////////////////////////////////////////////// |
28 | |
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29 | #include <Riostream.h> |
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30 | #include <TClass.h> |
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31 | #include <TMath.h> |
32 | #include <TBuffer.h> |
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33 | #include <TCanvas.h> |
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34 | #if ROOT_VERSION_CODE>= 331523 |
35 | #include <TView3D.h> |
36 | #else |
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37 | #include <TView.h> |
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38 | #endif |
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39 | #include <TPolyLine3D.h> |
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40 | #include <TNode.h> |
41 | #include <TPCON.h> |
42 | #include <TBRIK.h> |
43 | #include <TXTRU.h> |
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44 | |
45 | #include "AliITSgeomMatrix.h" |
46 | |
47 | ClassImp(AliITSgeomMatrix) |
48 | //---------------------------------------------------------------------- |
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49 | AliITSgeomMatrix::AliITSgeomMatrix(): |
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50 | TObject(), // Base Class. |
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51 | fDetectorIndex(0), // Detector type index (like fShapeIndex was) |
52 | fid(), // layer, ladder, detector numbers. |
53 | frot(), //! vector of rotations about x,y,z [radians]. |
54 | ftran(), // Translation vector of module x,y,z. |
55 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
56 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
57 | fm(), // Rotation matrix based on frot. |
58 | fPath(){ // Path in geometry to this module |
59 | // The Default constructor for the AliITSgeomMatrix class. By Default |
60 | // the angles of rotations are set to zero, meaning that the rotation |
61 | // matrix is the unit matrix. The translation vector is also set to |
62 | // zero as are the module id number. The detector type is set to -1 |
63 | // (an undefined value). The full rotation matrix is kept so that |
64 | // the evaluation of a coordinate transformation can be done |
65 | // quickly and with a minimum of CPU overhead. The basic coordinate |
66 | // systems are the ALICE global coordinate system and the detector |
67 | // local coordinate system. In general this structure is not limited |
68 | // to just those two coordinate systems. |
69 | //Begin_Html |
70 | /* |
71 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
72 | */ |
73 | //End_Html |
74 | // Inputs: |
75 | // none. |
76 | // Outputs: |
77 | // none. |
78 | // Return: |
79 | // A default constructes AliITSgeomMatrix class. |
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80 | Int_t i,j; |
81 | |
82 | fDetectorIndex = -1; // a value never defined. |
83 | for(i=0;i<3;i++){ |
84 | fid[i] = 0; |
85 | frot[i] = ftran[i] = 0.0; |
86 | for(j=0;j<3;j++) fm[i][j] = 0.0; |
87 | }// end for i |
88 | fm[0][0] = fm[1][1] = fm[2][2] = 1.0; |
89 | } |
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90 | |
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91 | //---------------------------------------------------------------------- |
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92 | AliITSgeomMatrix::AliITSgeomMatrix(const AliITSgeomMatrix &source) : |
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93 | TObject(source), // Base Class. |
94 | fDetectorIndex(source.fDetectorIndex),// Detector type index (like |
95 | // fShapeIndex was) |
96 | fid(), // layer, ladder, detector numbers. |
97 | frot(), //! vector of rotations about x,y,z [radians]. |
98 | ftran(), // Translation vector of module x,y,z. |
99 | fCylR(source.fCylR), //! R Translation in Cylinderical coordinates |
100 | fCylPhi(source.fCylPhi),//! Phi Translation vector in Cylindrical coord. |
101 | fm(), // Rotation matrix based on frot. |
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102 | fPath(source.fPath){ |
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103 | // The standard Copy constructor. This make a full / proper copy of |
104 | // this class. |
105 | // Inputs: |
106 | // AliITSgeomMatrix &source The source of this copy |
107 | // Outputs: |
108 | // none. |
109 | // Return: |
110 | // A copy constructes AliITSgeomMatrix class. |
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111 | Int_t i,j; |
112 | |
113 | for(i=0;i<3;i++){ |
114 | this->fid[i] = source.fid[i]; |
115 | this->frot[i] = source.frot[i]; |
116 | this->ftran[i] = source.ftran[i]; |
117 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
118 | }// end for i |
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119 | } |
120 | //---------------------------------------------------------------------- |
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121 | AliITSgeomMatrix& AliITSgeomMatrix::operator=(const AliITSgeomMatrix &source){ |
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122 | // The standard = operator. This make a full / proper copy of |
123 | // this class. |
124 | // The standard Copy constructor. This make a full / proper copy of |
125 | // this class. |
126 | // Inputs: |
127 | // AliITSgeomMatrix &source The source of this copy |
128 | // Outputs: |
129 | // none. |
130 | // Return: |
131 | // A copy of the source AliITSgeomMatrix class. |
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132 | |
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133 | if(this == &source)return *this; |
134 | Int_t i,j; |
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135 | |
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136 | this->fDetectorIndex = source.fDetectorIndex; |
137 | this->fCylR = source.fCylR; |
138 | this->fCylPhi = source.fCylPhi; |
139 | for(i=0;i<3;i++){ |
140 | this->fid[i] = source.fid[i]; |
141 | this->frot[i] = source.frot[i]; |
142 | this->ftran[i] = source.ftran[i]; |
143 | for(j=0;j<3;j++) this->fm[i][j] = source.fm[i][j]; |
144 | } // end for i |
145 | this->fPath = source.fPath; |
146 | return *this; |
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147 | } |
148 | //---------------------------------------------------------------------- |
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149 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt,const Int_t id[3], |
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150 | const Double_t rot[3],const Double_t tran[3]): |
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151 | TObject(), // Base class |
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152 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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153 | fid(), // layer, ladder, detector numbers. |
154 | frot(), //! vector of rotations about x,y,z [radians]. |
155 | ftran(), // Translation vector of module x,y,z. |
156 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
157 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
158 | fm(), // Rotation matrix based on frot. |
159 | fPath(){ // Path in geometry to this moduel |
160 | // This is a constructor for the AliITSgeomMatrix class. The matrix is |
161 | // defined by 3 standard rotation angles [radians], and the translation |
162 | // vector tran [cm]. In addition the layer, ladder, and detector number |
163 | // for this particular module and the type of module must be given. |
164 | // The full rotation matrix is kept so that the evaluation |
165 | // of a coordinate transformation can be done quickly and with a minimum |
166 | // of CPU overhead. The basic coordinate systems are the ALICE global |
167 | // coordinate system and the detector local coordinate system. In general |
168 | // this structure is not limited to just those two coordinate systems. |
169 | //Begin_Html |
170 | /* |
171 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
172 | */ |
173 | //End_Html |
174 | // Inputs: |
175 | // Int_t idt The detector index value |
176 | // Int_t id[3] The layer, ladder, and detector numbers |
177 | // Double_t rot[3] The 3 Cartician rotaion angles [radians] |
178 | // Double_t tran[3] The 3 Cartician translation distnaces |
179 | // Outputs: |
180 | // none. |
181 | // Return: |
182 | // A properly inilized AliITSgeomMatrix class. |
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183 | Int_t i; |
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184 | |
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185 | for(i=0;i<3;i++){ |
186 | fid[i] = id[i]; |
187 | frot[i] = rot[i]; |
188 | ftran[i] = tran[i]; |
189 | }// end for i |
190 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
191 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
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192 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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193 | this->MatrixFromAngle(); |
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194 | } |
195 | //---------------------------------------------------------------------- |
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196 | AliITSgeomMatrix::AliITSgeomMatrix(Int_t idt, const Int_t id[3], |
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197 | Double_t matrix[3][3], |
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198 | const Double_t tran[3]): |
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199 | TObject(), // Base class |
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200 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
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201 | fid(), // layer, ladder, detector numbers. |
202 | frot(), //! vector of rotations about x,y,z [radians]. |
203 | ftran(), // Translation vector of module x,y,z. |
204 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
205 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
206 | fm(), // Rotation matrix based on frot. |
207 | fPath(){ // Path in geometry to this module |
208 | // This is a constructor for the AliITSgeomMatrix class. The |
209 | // rotation matrix is given as one of the inputs, and the |
210 | // translation vector tran [cm]. In addition the layer, ladder, |
211 | // and detector number for this particular module and the type of |
212 | // module must be given. The full rotation matrix is kept so that |
213 | // the evaluation of a coordinate transformation can be done quickly |
214 | // and with a minimum of CPU overhead. The basic coordinate systems |
215 | // are the ALICE global coordinate system and the detector local |
216 | // coordinate system. In general this structure is not limited to just |
217 | // those two coordinate systems. |
218 | //Begin_Html |
219 | /* |
220 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
221 | */ |
222 | //End_Html |
223 | // Inputs: |
224 | // Int_t idt The detector index value |
225 | // Int_t id[3] The layer, ladder, and detector numbers |
226 | // Double_t rot[3][3] The 3x3 Cartician rotaion matrix |
227 | // Double_t tran[3] The 3 Cartician translation distnaces |
228 | // Outputs: |
229 | // none. |
230 | // Return: |
231 | // A properly inilized AliITSgeomMatrix class. |
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232 | Int_t i,j; |
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233 | |
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234 | for(i=0;i<3;i++){ |
235 | fid[i] = id[i]; |
236 | ftran[i] = tran[i]; |
237 | for(j=0;j<3;j++) fm[i][j] = matrix[i][j]; |
238 | }// end for i |
239 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
240 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
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241 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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242 | this->AngleFromMatrix(); |
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243 | } |
244 | //---------------------------------------------------------------------- |
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245 | void AliITSgeomMatrix::SixAnglesFromMatrix(Double_t *ang)const{ |
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246 | // This function returns the 6 GEANT 3.21 rotation angles [degrees] in |
247 | // the array ang which must be at least [6] long. |
248 | // Inputs: |
249 | // none. |
250 | // Outputs: |
251 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
252 | // Return: |
253 | // noting |
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254 | Double_t si,c=180./TMath::Pi(); |
255 | |
256 | ang[1] = TMath::ATan2(fm[0][1],fm[0][0]); |
257 | if(TMath::Cos(ang[1])!=0.0) si = fm[0][0]/TMath::Cos(ang[1]); |
258 | else si = fm[0][1]/TMath::Sin(ang[1]); |
259 | ang[0] = TMath::ATan2(si,fm[0][2]); |
260 | |
261 | ang[3] = TMath::ATan2(fm[1][1],fm[1][0]); |
262 | if(TMath::Cos(ang[3])!=0.0) si = fm[1][0]/TMath::Cos(ang[3]); |
263 | else si = fm[1][1]/TMath::Sin(ang[3]); |
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264 | ang[2] = TMath::ATan2(si,fm[1][2]); |
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265 | |
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266 | ang[5] = TMath::ATan2(fm[2][1],fm[2][0]); |
267 | if(TMath::Cos(ang[5])!=0.0) si = fm[2][0]/TMath::Cos(ang[5]); |
268 | else si = fm[2][1]/TMath::Sin(ang[5]); |
269 | ang[4] = TMath::ATan2(si,fm[2][2]); |
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270 | |
271 | for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;} |
272 | } |
273 | //---------------------------------------------------------------------- |
274 | void AliITSgeomMatrix::MatrixFromSixAngles(const Double_t *ang){ |
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275 | // Given the 6 GEANT 3.21 rotation angles [degree], this will compute and |
276 | // set the rotations matrix and 3 standard rotation angles [radians]. |
277 | // These angles and rotation matrix are overwrite the existing values in |
278 | // this class. |
279 | // Inputs: |
280 | // Double_t ang[6] The 6 Geant3.21 rotation angles. [degrees] |
281 | // Outputs: |
282 | // none. |
283 | // Return: |
284 | // noting |
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285 | Int_t i,j; |
286 | Double_t si,lr[9],c=TMath::Pi()/180.; |
287 | |
288 | si = TMath::Sin(c*ang[0]); |
289 | if(ang[0]== 90.0) si = +1.0; |
290 | if(ang[0]==270.0) si = -1.0; |
291 | if(ang[0]== 0.0||ang[0]==180.) si = 0.0; |
292 | lr[0] = si * TMath::Cos(c*ang[1]); |
293 | lr[1] = si * TMath::Sin(c*ang[1]); |
294 | lr[2] = TMath::Cos(c*ang[0]); |
295 | if(ang[0]== 90.0||ang[0]==270.) lr[2] = 0.0; |
296 | if(ang[0]== 0.0) lr[2] = +1.0; |
297 | if(ang[0]==180.0) lr[2] = -1.0; |
298 | // |
299 | si = TMath::Sin(c*ang[2]); |
300 | if(ang[2]== 90.0) si = +1.0; |
301 | if(ang[2]==270.0) si = -1.0; |
302 | if(ang[2]== 0.0||ang[2]==180.) si = 0.0; |
303 | lr[3] = si * TMath::Cos(c*ang[3]); |
304 | lr[4] = si * TMath::Sin(c*ang[3]); |
305 | lr[5] = TMath::Cos(c*ang[2]); |
306 | if(ang[2]== 90.0||ang[2]==270.) lr[5] = 0.0; |
307 | if(ang[2]== 0.0) lr[5] = +1.0; |
308 | if(ang[2]==180.0) lr[5] = -1.0; |
309 | // |
310 | si = TMath::Sin(c*ang[4]); |
311 | if(ang[4]== 90.0) si = +1.0; |
312 | if(ang[4]==270.0) si = -1.0; |
313 | if(ang[4]== 0.0||ang[4]==180.) si = 0.0; |
314 | lr[6] = si * TMath::Cos(c*ang[5]); |
315 | lr[7] = si * TMath::Sin(c*ang[5]); |
316 | lr[8] = TMath::Cos(c*ang[4]); |
317 | if(ang[4]== 90.0||ang[4]==270.0) lr[8] = 0.0; |
318 | if(ang[4]== 0.0) lr[8] = +1.0; |
319 | if(ang[4]==180.0) lr[8] = -1.0; |
320 | // Normalize these elements and fill matrix fm. |
321 | for(i=0;i<3;i++){// reuse si. |
322 | si = 0.0; |
323 | for(j=0;j<3;j++) si += lr[3*i+j]*lr[3*i+j]; |
324 | si = TMath::Sqrt(1./si); |
325 | for(j=0;j<3;j++) fm[i][j] = si*lr[3*i+j]; |
326 | } // end for i |
327 | this->AngleFromMatrix(); |
328 | } |
329 | //---------------------------------------------------------------------- |
330 | AliITSgeomMatrix::AliITSgeomMatrix(const Double_t rotd[6]/*degrees*/, |
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331 | Int_t idt,const Int_t id[3], |
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332 | const Double_t tran[3]): |
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333 | TObject(), // Base class |
334 | fDetectorIndex(idt), // Detector type index (like fShapeIndex was) |
335 | fid(), // layer, ladder, detector numbers. |
336 | frot(), //! vector of rotations about x,y,z [radians]. |
337 | ftran(), // Translation vector of module x,y,z. |
338 | fCylR(0.0), //! R Translation in Cylinderical coordinates |
339 | fCylPhi(0.0),//! Phi Translation vector in Cylindrical coord. |
340 | fm(), // Rotation matrix based on frot. |
341 | fPath(){ // Path in geometry to this module |
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342 | // This is a constructor for the AliITSgeomMatrix class. The matrix |
343 | // is defined by the 6 GEANT 3.21 rotation angles [degrees], and |
344 | // the translation vector tran [cm]. In addition the layer, ladder, |
345 | // and detector number for this particular module and the type of |
346 | // module must be given. The full rotation matrix is kept so that |
347 | // the evaluation of a coordinate transformation can be done |
348 | // quickly and with a minimum of CPU overhead. The basic coordinate |
349 | // systems are the ALICE global coordinate system and the detector |
350 | // local coordinate system. In general this structure is not limited |
351 | // to just those two coordinate systems. |
352 | //Begin_Html |
353 | /* |
354 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
355 | */ |
356 | //End_Html |
357 | // Inputs: |
358 | // Double_t rotd[6] The 6 Geant 3.21 rotation angles [degrees] |
359 | // Int_t idt The module Id number |
360 | // Int_t id[3] The layer, ladder and detector number |
361 | // Double_t tran[3] The translation vector |
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362 | Int_t i; |
363 | |
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364 | for(i=0;i<3;i++){ |
365 | fid[i] = id[i]; |
366 | ftran[i] = tran[i]; |
367 | }// end for i |
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368 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
369 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
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370 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
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371 | this->MatrixFromSixAngles(rotd); |
372 | } |
373 | //---------------------------------------------------------------------- |
374 | void AliITSgeomMatrix::AngleFromMatrix(){ |
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375 | // Computes the angles from the rotation matrix up to a phase of |
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376 | // 180 degrees. The matrix used in AliITSgeomMatrix::MatrixFromAngle() |
377 | // and its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
378 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
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379 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
380 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
381 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
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382 | // The choice of the since of S, comes from the choice between |
383 | // the rotation of the object or the coordinate system (view). I think |
384 | // that this choice is the first, the rotation of the object. |
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385 | // Inputs: |
386 | // none |
387 | // Outputs: |
388 | // none |
389 | // Return: |
390 | // none |
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391 | Double_t rx,ry,rz; |
392 | // get angles from matrix up to a phase of 180 degrees. |
393 | |
394 | rx = TMath::ATan2(fm[2][1],fm[2][2]);if(rx<0.0) rx += 2.0*TMath::Pi(); |
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395 | ry = TMath::ASin(-fm[0][2]); if(ry<0.0) ry += 2.0*TMath::Pi(); |
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396 | rz = TMath::ATan2(fm[1][0],fm[0][0]);if(rz<0.0) rz += 2.0*TMath::Pi(); |
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397 | frot[0] = rx; |
398 | frot[1] = ry; |
399 | frot[2] = rz; |
400 | return; |
401 | } |
402 | //---------------------------------------------------------------------- |
403 | void AliITSgeomMatrix::MatrixFromAngle(){ |
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404 | // Computes the Rotation matrix from the angles [radians] kept in this |
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405 | // class. The matrix used in AliITSgeomMatrix::MatrixFromAngle() and |
406 | // its inverse AliITSgeomMatrix::AngleFromMatrix() are defined in |
407 | // the following ways, R = Rz*Ry*Rx (M=R*L+T) where |
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408 | // 1 0 0 Cy 0 +Sy Cz -Sz 0 |
409 | // Rx= 0 Cx -Sx Ry= 0 1 0 Rz=+Sz Cz 0 |
410 | // 0 +Sx Cx -Sy 0 Cy 0 0 1 |
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411 | // The choice of the since of S, comes from the choice between |
412 | // the rotation of the object or the coordinate system (view). I think |
413 | // that this choice is the first, the rotation of the object. |
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414 | // Inputs: |
415 | // none |
416 | // Outputs: |
417 | // none |
418 | // Return: |
419 | // none |
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420 | Double_t sx,sy,sz,cx,cy,cz; |
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421 | |
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422 | sx = TMath::Sin(frot[0]); cx = TMath::Cos(frot[0]); |
423 | sy = TMath::Sin(frot[1]); cy = TMath::Cos(frot[1]); |
424 | sz = TMath::Sin(frot[2]); cz = TMath::Cos(frot[2]); |
425 | fm[0][0] = +cz*cy; // fr[0] |
426 | fm[0][1] = +cz*sy*sx - sz*cx; // fr[1] |
427 | fm[0][2] = +cz*sy*cx + sz*sx; // fr[2] |
428 | fm[1][0] = +sz*cy; // fr[3] |
429 | fm[1][1] = +sz*sy*sx + cz*cx; // fr[4] |
430 | fm[1][2] = +sz*sy*cx - cz*sx; // fr[5] |
431 | fm[2][0] = -sy; // fr[6] |
432 | fm[2][1] = +cy*sx; // fr[7] |
433 | fm[2][2] = +cy*cx; // fr[8] |
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434 | } |
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435 | //---------------------------------------------------------------------- |
436 | void AliITSgeomMatrix::SetEulerAnglesChi(const Double_t ang[3]){ |
437 | // Computes the Rotation matrix from the Euler angles [radians], |
438 | // Chi-convention, kept in this class. The matrix used in |
439 | // AliITSgeomMatrix::SetEulerAnglesChi and |
440 | // its inverse AliITSgeomMatrix::GetEulerAnglesChi() are defined in |
441 | // the following ways, R = Rb*Rc*Rd (M=R*L+T) where |
442 | // C2 +S2 0 1 0 0 C0 +S0 0 |
443 | // Rb=-S2 C2 0 Rc= 0 C1 +S1 Rd=-S0 C0 0 |
444 | // 0 0 1 0 -S1 C1 0 0 1 |
445 | // This form is taken from Wolfram Research's Geometry> |
446 | // Transformations>Rotations web page (also should be |
447 | // found in their book). |
448 | // Inputs: |
449 | // Double_t ang[3] The three Euler Angles Phi, Theta, Psi |
450 | // Outputs: |
451 | // none |
452 | // Return: |
453 | // none |
454 | Double_t s0,s1,s2,c0,c1,c2; |
78d2d72a |
455 | |
012f0f4c |
456 | s0 = TMath::Sin(ang[0]); c0 = TMath::Cos(ang[0]); |
457 | s1 = TMath::Sin(ang[1]); c1 = TMath::Cos(ang[1]); |
458 | s2 = TMath::Sin(ang[2]); c2 = TMath::Cos(ang[2]); |
459 | fm[0][0] = +c2*c0-c1*s0*s2; // fr[0] |
460 | fm[0][1] = +c2*s0+c1*c0*s2; // fr[1] |
461 | fm[0][2] = +s2*s1; // fr[2] |
462 | fm[1][0] = -s2*c0-c1*s0*c2; // fr[3] |
463 | fm[1][1] = -s2*s0+c1*c0*c2; // fr[4] |
464 | fm[1][2] = +c2*s1; // fr[5] |
465 | fm[2][0] = s1*s0; // fr[6] |
466 | fm[2][1] = -s1*c0; // fr[7] |
467 | fm[2][2] = +c1; // fr[8] |
468 | AngleFromMatrix(); |
469 | return ; |
470 | } |
df5240ea |
471 | //---------------------------------------------------------------------- |
024a4246 |
472 | void AliITSgeomMatrix::GtoLPosition(const Double_t g0[3],Double_t l[3]) const { |
023ae34b |
473 | // Returns the local coordinates given the global coordinates [cm]. |
474 | // Inputs: |
475 | // Double_t g[3] The position represented in the ALICE |
476 | // global coordinate system |
477 | // Outputs: |
478 | // Double_t l[3] The poistion represented in the local |
479 | // detector coordiante system |
480 | // Return: |
481 | // none |
012f0f4c |
482 | Int_t i,j; |
483 | Double_t g[3]; |
df5240ea |
484 | |
012f0f4c |
485 | for(i=0;i<3;i++) g[i] = g0[i] - ftran[i]; |
486 | for(i=0;i<3;i++){ |
487 | l[i] = 0.0; |
488 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
489 | // g = R l + translation |
490 | } // end for i |
491 | return; |
df5240ea |
492 | } |
493 | //---------------------------------------------------------------------- |
024a4246 |
494 | void AliITSgeomMatrix::LtoGPosition(const Double_t l[3],Double_t g[3]) const { |
023ae34b |
495 | // Returns the global coordinates given the local coordinates [cm]. |
496 | // Inputs: |
497 | // Double_t l[3] The poistion represented in the detector |
498 | // local coordinate system |
499 | // Outputs: |
500 | // Double_t g[3] The poistion represented in the ALICE |
501 | // Global coordinate system |
502 | // Return: |
503 | // none. |
012f0f4c |
504 | Int_t i,j; |
df5240ea |
505 | |
012f0f4c |
506 | for(i=0;i<3;i++){ |
507 | g[i] = 0.0; |
508 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
509 | g[i] += ftran[i]; |
510 | // g = R^t l + translation |
511 | } // end for i |
512 | return; |
df5240ea |
513 | } |
514 | //---------------------------------------------------------------------- |
024a4246 |
515 | void AliITSgeomMatrix::GtoLMomentum(const Double_t g[3],Double_t l[3]) const{ |
023ae34b |
516 | // Returns the local coordinates of the momentum given the global |
517 | // coordinates of the momentum. It transforms just like GtoLPosition |
518 | // except that the translation vector is zero. |
519 | // Inputs: |
520 | // Double_t g[3] The momentum represented in the ALICE global |
521 | // coordinate system |
522 | // Outputs: |
523 | // Double_t l[3] the momentum represented in the detector |
524 | // local coordinate system |
525 | // Return: |
526 | // none. |
012f0f4c |
527 | Int_t i,j; |
df5240ea |
528 | |
012f0f4c |
529 | for(i=0;i<3;i++){ |
530 | l[i] = 0.0; |
531 | for(j=0;j<3;j++) l[i] += fm[i][j]*g[j]; |
532 | // g = R l |
533 | } // end for i |
534 | return; |
df5240ea |
535 | } |
536 | //---------------------------------------------------------------------- |
024a4246 |
537 | void AliITSgeomMatrix::LtoGMomentum(const Double_t l[3],Double_t g[3]) const { |
023ae34b |
538 | // Returns the Global coordinates of the momentum given the local |
539 | // coordinates of the momentum. It transforms just like LtoGPosition |
540 | // except that the translation vector is zero. |
541 | // Inputs: |
542 | // Double_t l[3] the momentum represented in the detector |
543 | // local coordinate system |
544 | // Outputs: |
545 | // Double_t g[3] The momentum represented in the ALICE global |
546 | // coordinate system |
547 | // Return: |
548 | // none. |
012f0f4c |
549 | Int_t i,j; |
df5240ea |
550 | |
012f0f4c |
551 | for(i=0;i<3;i++){ |
552 | g[i] = 0.0; |
553 | for(j=0;j<3;j++) g[i] += fm[j][i]*l[j]; |
554 | // g = R^t l |
555 | } // end for i |
556 | return; |
df5240ea |
557 | } |
558 | //---------------------------------------------------------------------- |
023ae34b |
559 | void AliITSgeomMatrix::GtoLPositionError(const Double_t g[3][3], |
560 | Double_t l[3][3]) const { |
561 | // Given an Uncertainty matrix in Global coordinates it is |
562 | // rotated so that its representation in local coordinates can |
563 | // be returned. There is no effect due to the translation vector |
564 | // or its uncertainty. |
565 | // Inputs: |
566 | // Double_t g[3][3] The error matrix represented in the ALICE global |
567 | // coordinate system |
568 | // Outputs: |
569 | // Double_t l[3][3] the error matrix represented in the detector |
570 | // local coordinate system |
571 | // Return: |
572 | // none. |
012f0f4c |
573 | Int_t i,j,k,m; |
df5240ea |
574 | |
012f0f4c |
575 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
576 | l[i][m] = 0.0; |
577 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
578 | l[i][m] += fm[j][i]*g[j][k]*fm[k][m]; |
579 | } // end for i,m |
580 | // g = R^t l R |
581 | return; |
df5240ea |
582 | } |
583 | //---------------------------------------------------------------------- |
023ae34b |
584 | void AliITSgeomMatrix::LtoGPositionError(const Double_t l[3][3], |
024a4246 |
585 | Double_t g[3][3]) const { |
023ae34b |
586 | // Given an Uncertainty matrix in Local coordinates it is rotated so that |
587 | // its representation in global coordinates can be returned. There is no |
588 | // effect due to the translation vector or its uncertainty. |
589 | // Inputs: |
590 | // Double_t l[3][3] the error matrix represented in the detector |
591 | // local coordinate system |
592 | // Outputs: |
593 | // Double_t g[3][3] The error matrix represented in the ALICE global |
594 | // coordinate system |
595 | // Return: |
596 | // none. |
012f0f4c |
597 | Int_t i,j,k,m; |
df5240ea |
598 | |
012f0f4c |
599 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
600 | g[i][m] = 0.0; |
601 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
602 | g[i][m] += fm[i][j]*l[j][k]*fm[m][k]; |
603 | } // end for i,m |
604 | // g = R l R^t |
605 | return; |
df5240ea |
606 | } |
607 | //---------------------------------------------------------------------- |
023ae34b |
608 | void AliITSgeomMatrix::GtoLPositionTracking(const Double_t g[3], |
609 | Double_t l[3]) const { |
610 | // A slightly different coordinate system is used when tracking. |
611 | // This coordinate system is only relevant when the geometry represents |
612 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
613 | // alone but X -> -Y and Y -> X such that X always points out of the |
614 | // ITS Cylinder for every layer including layer 1 (where the detector |
615 | // are mounted upside down). |
616 | //Begin_Html |
617 | /* |
618 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
619 | */ |
620 | //End_Html |
621 | // Inputs: |
622 | // Double_t g[3] The position represented in the ALICE |
623 | // global coordinate system |
624 | // Outputs: |
625 | // Double_t l[3] The poistion represented in the local |
626 | // detector coordiante system |
627 | // Return: |
628 | // none |
df5240ea |
629 | Double_t l0[3]; |
630 | |
023ae34b |
631 | this->GtoLPosition(g,l0); |
df5240ea |
632 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
633 | // with respect to the others. |
634 | l[0] = +l0[1]; |
635 | l[1] = -l0[0]; |
636 | l[2] = +l0[2]; |
637 | }else{ |
638 | l[0] = -l0[1]; |
639 | l[1] = +l0[0]; |
640 | l[2] = +l0[2]; |
641 | } // end if |
642 | return; |
643 | } |
644 | //---------------------------------------------------------------------- |
645 | void AliITSgeomMatrix::LtoGPositionTracking(const Double_t l[3], |
023ae34b |
646 | Double_t g[3]) const { |
647 | // A slightly different coordinate system is used when tracking. |
648 | // This coordinate system is only relevant when the geometry represents |
649 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
650 | // alone but X -> -Y and Y -> X such that X always points out of the |
651 | // ITS Cylinder for every layer including layer 1 (where the detector |
652 | // are mounted upside down). |
653 | //Begin_Html |
654 | /* |
655 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
656 | */ |
657 | //End_Html |
658 | // Inputs: |
659 | // Double_t l[3] The poistion represented in the detector |
660 | // local coordinate system |
661 | // Outputs: |
662 | // Double_t g[3] The poistion represented in the ALICE |
663 | // Global coordinate system |
664 | // Return: |
665 | // none. |
df5240ea |
666 | Double_t l0[3]; |
667 | |
668 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
669 | // with respect to the others. |
670 | l0[0] = -l[1]; |
671 | l0[1] = +l[0]; |
672 | l0[2] = +l[2]; |
673 | }else{ |
674 | l0[0] = +l[1]; |
675 | l0[1] = -l[0]; |
676 | l0[2] = +l[2]; |
677 | } // end if |
678 | this->LtoGPosition(l0,g); |
679 | return; |
680 | } |
681 | //---------------------------------------------------------------------- |
682 | void AliITSgeomMatrix::GtoLMomentumTracking(const Double_t g[3], |
023ae34b |
683 | Double_t l[3]) const { |
684 | // A slightly different coordinate system is used when tracking. |
685 | // This coordinate system is only relevant when the geometry represents |
686 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
687 | // alone but X -> -Y and Y -> X such that X always points out of the |
688 | // ITS Cylinder for every layer including layer 1 (where the detector |
689 | // are mounted upside down). |
690 | //Begin_Html |
691 | /* |
692 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
693 | */ |
694 | //End_Html |
695 | // Inputs: |
696 | // Double_t g[3] The momentum represented in the ALICE global |
697 | // coordinate system |
698 | // Outputs: |
699 | // Double_t l[3] the momentum represented in the detector |
700 | // local coordinate system |
701 | // Return: |
702 | // none. |
df5240ea |
703 | Double_t l0[3]; |
704 | |
705 | this->GtoLMomentum(g,l0); |
706 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
707 | // with respect to the others. |
708 | l[0] = +l0[1]; |
709 | l[1] = -l0[0]; |
710 | l[2] = +l0[2]; |
711 | }else{ |
712 | l[0] = -l0[1]; |
713 | l[1] = +l0[0]; |
714 | l[2] = +l0[2]; |
715 | } // end if |
716 | return; |
df5240ea |
717 | } |
718 | //---------------------------------------------------------------------- |
719 | void AliITSgeomMatrix::LtoGMomentumTracking(const Double_t l[3], |
023ae34b |
720 | Double_t g[3]) const { |
721 | // A slightly different coordinate system is used when tracking. |
722 | // This coordinate system is only relevant when the geometry represents |
723 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
724 | // alone but X -> -Y and Y -> X such that X always points out of the |
725 | // ITS Cylinder for every layer including layer 1 (where the detector |
726 | // are mounted upside down). |
727 | //Begin_Html |
728 | /* |
729 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> |
730 | */ |
731 | //End_Html |
732 | // Inputs: |
733 | // Double_t l[3] the momentum represented in the detector |
734 | // local coordinate system |
735 | // Outputs: |
736 | // Double_t g[3] The momentum represented in the ALICE global |
737 | // coordinate system |
738 | // Return: |
739 | // none. |
df5240ea |
740 | Double_t l0[3]; |
741 | |
742 | if(fid[0]==1){ // for layer 1 the detector are flipped upside down |
743 | // with respect to the others. |
744 | l0[0] = -l[1]; |
745 | l0[1] = +l[0]; |
746 | l0[2] = +l[2]; |
747 | }else{ |
748 | l0[0] = +l[1]; |
749 | l0[1] = -l[0]; |
750 | l0[2] = +l[2]; |
751 | } // end if |
752 | this->LtoGMomentum(l0,g); |
753 | return; |
754 | } |
755 | //---------------------------------------------------------------------- |
023ae34b |
756 | void AliITSgeomMatrix::GtoLPositionErrorTracking(const Double_t g[3][3], |
757 | Double_t l[3][3]) const { |
758 | // A slightly different coordinate system is used when tracking. |
759 | // This coordinate system is only relevant when the geometry represents |
760 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
761 | // alone but X -> -Y and Y -> X such that X always points out of the |
762 | // ITS Cylinder for every layer including layer 1 (where the detector |
763 | // are mounted upside down). |
764 | //Begin_Html |
765 | /* |
766 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
767 | */ |
768 | //End_Html |
769 | // Inputs: |
770 | // Double_t g[3][3] The error matrix represented in the ALICE global |
771 | // coordinate system |
772 | // Outputs: |
773 | // Double_t l[3][3] the error matrix represented in the detector |
774 | // local coordinate system |
775 | // Return: |
012f0f4c |
776 | Int_t i,j,k,m; |
777 | Double_t rt[3][3]; |
778 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
779 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
df5240ea |
780 | |
012f0f4c |
781 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
782 | rt[i][k] = a0[i][j]*fm[j][k]; |
783 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
784 | rt[i][k] = a1[i][j]*fm[j][k]; |
785 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
786 | l[i][m] = 0.0; |
787 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
788 | l[i][m] += rt[j][i]*g[j][k]*rt[k][m]; |
789 | } // end for i,m |
790 | // g = R^t l R |
791 | return; |
df5240ea |
792 | } |
793 | //---------------------------------------------------------------------- |
023ae34b |
794 | void AliITSgeomMatrix::LtoGPositionErrorTracking(const Double_t l[3][3], |
795 | Double_t g[3][3]) const { |
796 | // A slightly different coordinate system is used when tracking. |
797 | // This coordinate system is only relevant when the geometry represents |
798 | // the cylindrical ALICE ITS geometry. For tracking the Z axis is left |
799 | // alone but X -> -Y and Y -> X such that X always points out of the |
800 | // ITS Cylinder for every layer including layer 1 (where the detector |
801 | // are mounted upside down). |
802 | //Begin_Html |
803 | /* |
804 | <img src="picts/ITS/AliITSgeomMatrix_TE1.gif"> |
805 | */ |
806 | //End_Html |
807 | // Inputs: |
808 | // Double_t l[3][3] the error matrix represented in the detector |
809 | // local coordinate system |
810 | // Outputs: |
811 | // Double_t g[3][3] The error matrix represented in the ALICE global |
812 | // coordinate system |
813 | // Return: |
814 | // none. |
012f0f4c |
815 | Int_t i,j,k,m; |
816 | Double_t rt[3][3]; |
817 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; |
818 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; |
df5240ea |
819 | |
012f0f4c |
820 | if(fid[0]==1) for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
821 | rt[i][k] = a0[i][j]*fm[j][k]; |
822 | else for(i=0;i<3;i++)for(j=0;j<3;j++)for(k=0;k<3;k++) |
823 | rt[i][k] = a1[i][j]*fm[j][k]; |
824 | for(i=0;i<3;i++)for(m=0;m<3;m++){ |
825 | g[i][m] = 0.0; |
826 | for(j=0;j<3;j++)for(k=0;k<3;k++) |
827 | g[i][m] += rt[i][j]*l[j][k]*rt[m][k]; |
828 | } // end for i,m |
829 | // g = R l R^t |
830 | return; |
df5240ea |
831 | } |
832 | //---------------------------------------------------------------------- |
024a4246 |
833 | void AliITSgeomMatrix::PrintTitles(ostream *os) const { |
023ae34b |
834 | // Standard output format for this class but it includes variable |
835 | // names and formatting that makes it easer to read. |
836 | // Inputs: |
837 | // ostream *os The output stream to print the title on |
838 | // Outputs: |
839 | // none. |
840 | // Return: |
841 | // none. |
df5240ea |
842 | Int_t i,j; |
843 | |
844 | *os << "fDetectorIndex=" << fDetectorIndex << " fid[3]={"; |
845 | for(i=0;i<3;i++) *os << fid[i] << " "; |
846 | *os << "} frot[3]={"; |
847 | for(i=0;i<3;i++) *os << frot[i] << " "; |
848 | *os << "} ftran[3]={"; |
849 | for(i=0;i<3;i++) *os << ftran[i] << " "; |
850 | *os << "} fm[3][3]={"; |
851 | for(i=0;i<3;i++){for(j=0;j<3;j++){ *os << fm[i][j] << " ";} *os <<"}{";} |
852 | *os << "}" << endl; |
853 | return; |
854 | } |
855 | //---------------------------------------------------------------------- |
024a4246 |
856 | void AliITSgeomMatrix::PrintComment(ostream *os) const { |
023ae34b |
857 | // output format used by Print. |
858 | // Inputs: |
859 | // ostream *os The output stream to print the comments on |
860 | // Outputs: |
861 | // none. |
862 | // Return: |
863 | // none. |
8253cd9a |
864 | *os << "fDetectorIndex fid[0] fid[1] fid[2] ftran[0] ftran[1] ftran[2] "; |
865 | *os << "fm[0][0] fm[0][1] fm[0][2] fm[1][0] fm[1][1] fm[1][2] "; |
866 | *os << "fm[2][0] fm[2][1] fm[2][2] "; |
867 | return; |
868 | } |
869 | //---------------------------------------------------------------------- |
5cf690c1 |
870 | void AliITSgeomMatrix::Print(ostream *os)const{ |
023ae34b |
871 | // Standard output format for this class. |
872 | // Inputs: |
873 | // ostream *os The output stream to print the class data on |
874 | // Outputs: |
875 | // none. |
876 | // Return: |
877 | // none. |
df5240ea |
878 | Int_t i,j; |
431a7819 |
879 | #if defined __GNUC__ |
880 | #if __GNUC__ > 2 |
881 | ios::fmtflags fmt; |
882 | #else |
883 | Int_t fmt; |
884 | #endif |
94831058 |
885 | #else |
9f69211c |
886 | #if defined __ICC || defined __ECC || defined __xlC__ |
94831058 |
887 | ios::fmtflags fmt; |
431a7819 |
888 | #else |
31b8cd63 |
889 | Int_t fmt; |
94831058 |
890 | #endif |
431a7819 |
891 | #endif |
df5240ea |
892 | |
8253cd9a |
893 | fmt = os->setf(ios::scientific); // set scientific floating point output |
df5240ea |
894 | *os << fDetectorIndex << " "; |
895 | for(i=0;i<3;i++) *os << fid[i] << " "; |
8253cd9a |
896 | // for(i=0;i<3;i++) *os << frot[i] << " "; // Redundant with fm[][]. |
897 | for(i=0;i<3;i++) *os << setprecision(16) << ftran[i] << " "; |
898 | for(i=0;i<3;i++)for(j=0;j<3;j++) *os << setprecision(16) << |
899 | fm[i][j] << " "; |
023ae34b |
900 | *os << fPath.Length()<< " "; |
901 | for(i=0;i<fPath.Length();i++) *os << fPath[i]; |
df5240ea |
902 | *os << endl; |
8253cd9a |
903 | os->flags(fmt); // reset back to old formating. |
df5240ea |
904 | return; |
905 | } |
906 | //---------------------------------------------------------------------- |
8253cd9a |
907 | void AliITSgeomMatrix::Read(istream *is){ |
023ae34b |
908 | // Standard input format for this class. |
909 | // Inputs: |
910 | // istream *is The input stream to read on |
911 | // Outputs: |
912 | // none. |
913 | // Return: |
914 | // none. |
df5240ea |
915 | Int_t i,j; |
916 | |
917 | *is >> fDetectorIndex; |
918 | for(i=0;i<3;i++) *is >> fid[i]; |
8253cd9a |
919 | // for(i=0;i<3;i++) *is >> frot[i]; // Redundant with fm[][]. |
df5240ea |
920 | for(i=0;i<3;i++) *is >> ftran[i]; |
921 | for(i=0;i<3;i++)for(j=0;j<3;j++) *is >> fm[i][j]; |
5cf690c1 |
922 | while(is->peek()==' ')is->get(); // skip white spaces |
923 | if(isprint(is->peek())){ // old format did not have path. |
924 | *is >> j; // string length |
925 | fPath.Resize(j); |
926 | for(i=0;i<j;i++) {*is >> fPath[i];} |
927 | } // end if |
8253cd9a |
928 | AngleFromMatrix(); // compute angles frot[]. |
d8cc8493 |
929 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
930 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
547a9bad |
931 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
df5240ea |
932 | return; |
933 | } |
d8cc8493 |
934 | //______________________________________________________________________ |
935 | void AliITSgeomMatrix::Streamer(TBuffer &R__b){ |
936 | // Stream an object of class AliITSgeomMatrix. |
023ae34b |
937 | // Inputs: |
938 | // TBuffer &R__b The output buffer to stream data on. |
939 | // Outputs: |
940 | // none. |
941 | // Return: |
942 | // none. |
d8cc8493 |
943 | |
023ae34b |
944 | if (R__b.IsReading()) { |
945 | AliITSgeomMatrix::Class()->ReadBuffer(R__b, this); |
946 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
947 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
948 | this->AngleFromMatrix(); |
547a9bad |
949 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
023ae34b |
950 | } else { |
951 | AliITSgeomMatrix::Class()->WriteBuffer(R__b, this); |
952 | } // end if |
d8cc8493 |
953 | } |
024a4246 |
954 | //______________________________________________________________________ |
955 | void AliITSgeomMatrix::SetTranslation(const Double_t tran[3]){ |
023ae34b |
956 | // Sets the translation vector and computes fCylR and fCylPhi. |
957 | // Inputs: |
958 | // Double_t trans[3] The translation vector to be used |
959 | // Outputs: |
960 | // none. |
961 | // Return: |
962 | // none. |
963 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i]; |
964 | fCylR = TMath::Sqrt(ftran[0]*ftran[0]+ftran[1]*ftran[1]); |
965 | fCylPhi = TMath::ATan2(ftran[1],ftran[0]); |
547a9bad |
966 | if(fCylPhi<0.0) fCylPhi += 2.*TMath::Pi(); |
023ae34b |
967 | } |
968 | //---------------------------------------------------------------------- |
6b0f3880 |
969 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxis() const { |
023ae34b |
970 | // This class is used as part of the documentation of this class |
971 | // Inputs: |
972 | // none. |
973 | // Outputs: |
974 | // none. |
975 | // Return: |
976 | // A pointer to a new TPolyLine3D object showing the 3 line |
977 | // segments that make up the this local axis in the global |
978 | // reference system. |
979 | Float_t gf[15]; |
980 | Double_t g[5][3]; |
981 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
982 | {0.0,0.0,1.0}}; |
983 | Int_t i; |
984 | |
985 | for(i=0;i<5;i++) { |
986 | LtoGPosition(l[i],g[i]); |
987 | gf[3*i]=(Float_t)g[i][0]; |
988 | gf[3*i+1]=(Float_t)g[i][1]; |
989 | gf[3*i+2]=(Float_t)g[i][2]; |
990 | } // end for i |
991 | return new TPolyLine3D(5,gf); |
992 | } |
993 | //---------------------------------------------------------------------- |
6b0f3880 |
994 | TPolyLine3D* AliITSgeomMatrix::CreateLocalAxisTracking() const { |
023ae34b |
995 | // This class is used as part of the documentation of this class |
996 | // Inputs: |
997 | // none. |
998 | // Outputs: |
999 | // none. |
1000 | // Return: |
1001 | // A pointer to a new TPolyLine3D object showing the 3 line |
1002 | // segments that make up the this local axis in the global |
1003 | // reference system. |
1004 | Float_t gf[15]; |
1005 | Double_t g[5][3]; |
1006 | Double_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
1007 | {0.0,0.0,1.0}}; |
1008 | Int_t i; |
1009 | |
1010 | for(i=0;i<5;i++) { |
1011 | LtoGPositionTracking(l[i],g[i]); |
1012 | gf[3*i]=(Float_t)g[i][0]; |
1013 | gf[3*i+1]=(Float_t)g[i][1]; |
1014 | gf[3*i+2]=(Float_t)g[i][2]; |
1015 | } // end for i |
1016 | return new TPolyLine3D(5,gf); |
1017 | } |
1018 | //---------------------------------------------------------------------- |
1019 | TNode* AliITSgeomMatrix::CreateNode(const Char_t *nodeName, |
1020 | const Char_t *nodeTitle,TNode *mother, |
6b0f3880 |
1021 | TShape *shape,Bool_t axis) const { |
023ae34b |
1022 | // Creates a node inside of the node mother out of the shape shape |
1023 | // in the position, with respect to mother, indecated by "this". If axis |
1024 | // is ture, it will insert an axis within this node/shape. |
1025 | // Inputs: |
1026 | // Char_t *nodeName This name of this node |
1027 | // Char_t *nodeTitle This node title |
1028 | // TNode *mother The node this node will be inside of/with respect to |
1029 | // TShape *shape The shape of this node |
1030 | // Bool_t axis If ture, a set of x,y,z axis will be included |
1031 | // Outputs: |
1032 | // none. |
1033 | // Return: |
1034 | // A pointer to "this" node. |
1035 | Double_t trans[3],matrix[3][3],*matr; |
1036 | TRotMatrix *rot = new TRotMatrix(); |
1037 | TString name,title; |
1038 | |
1039 | matr = &(matrix[0][0]); |
1040 | this->GetTranslation(trans); |
1041 | this->GetMatrix(matrix); |
1042 | rot->SetMatrix(matr); |
1043 | // |
1044 | name = nodeName; |
1045 | title = nodeTitle; |
1046 | // |
1047 | mother->cd(); |
012f0f4c |
1048 | TNode *node1 = new TNode(name.Data(),title.Data(),shape, |
1049 | trans[0],trans[1],trans[2],rot); |
023ae34b |
1050 | if(axis){ |
1051 | Int_t i,j; |
6b0f3880 |
1052 | const Float_t kScale=0.5,kLw=0.2; |
012f0f4c |
1053 | Float_t xchar[13][2]={ |
1054 | {0.5*kLw,1.},{0.,0.5*kLw},{0.5-0.5*kLw,0.5}, |
1055 | {0.,0.5*kLw},{0.5*kLw,0.},{0.5,0.5-0.5*kLw}, |
1056 | {1-0.5*kLw,0.},{1.,0.5*kLw},{0.5+0.5*kLw,0.5}, |
1057 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5,0.5+0.5*kLw}, |
1058 | {0.5*kLw,1.}}; |
1059 | Float_t ychar[10][2]={ |
1060 | {.5-0.5*kLw,0.},{.5+0.5*kLw,0.},{.5+0.5*kLw,0.5-0.5*kLw}, |
1061 | {1.,1.-0.5*kLw},{1.-0.5*kLw,1.},{0.5+0.5*kLw,0.5}, |
1062 | {0.5*kLw,1.} ,{0.,1-0.5*kLw} ,{0.5-0.5*kLw,0.5}, |
1063 | {.5-0.5*kLw,0.}}; |
1064 | Float_t zchar[11][2]={ |
1065 | {0.,1.},{0,1.-kLw},{1.-kLw,1.-kLw},{0.,kLw} ,{0.,0.}, |
1066 | {1.,0.},{1.,kLw} ,{kLw,kLw} ,{1.,1.-kLw},{1.,1.}, |
1067 | {0.,1.}}; |
023ae34b |
1068 | for(i=0;i<13;i++)for(j=0;j<2;j++){ |
6b0f3880 |
1069 | if(i<13) xchar[i][j] = kScale*xchar[i][j]; |
1070 | if(i<10) ychar[i][j] = kScale*ychar[i][j]; |
1071 | if(i<11) zchar[i][j] = kScale*zchar[i][j]; |
023ae34b |
1072 | } // end for i,j |
1073 | TXTRU *axisxl = new TXTRU("x","x","text",12,2); |
1074 | for(i=0;i<12;i++) axisxl->DefineVertex(i,xchar[i][0],xchar[i][1]); |
6b0f3880 |
1075 | axisxl->DefineSection(0,-0.5*kLw);axisxl->DefineSection(1,0.5*kLw); |
023ae34b |
1076 | TXTRU *axisyl = new TXTRU("y","y","text",9,2); |
1077 | for(i=0;i<9;i++) axisyl->DefineVertex(i,ychar[i][0],ychar[i][1]); |
6b0f3880 |
1078 | axisyl->DefineSection(0,-0.5*kLw);axisyl->DefineSection(1,0.5*kLw); |
023ae34b |
1079 | TXTRU *axiszl = new TXTRU("z","z","text",10,2); |
1080 | for(i=0;i<10;i++) axiszl->DefineVertex(i,zchar[i][0],zchar[i][1]); |
6b0f3880 |
1081 | axiszl->DefineSection(0,-0.5*kLw);axiszl->DefineSection(1,0.5*kLw); |
012f0f4c |
1082 | Float_t lxy[13][2]={ |
1083 | {-0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
1084 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw},{0.5*kLw,0.8}, |
1085 | {0.1,0.8},{0.0,1.0},{-0.1,0.8},{-0.5*kLw,0.8}, |
1086 | {-0.5*kLw,-0.5*kLw}}; |
023ae34b |
1087 | TXTRU *axisxy = new TXTRU("axisxy","axisxy","text",13,2); |
1088 | for(i=0;i<13;i++) axisxy->DefineVertex(i,lxy[i][0],lxy[i][1]); |
6b0f3880 |
1089 | axisxy->DefineSection(0,-0.5*kLw);axisxy->DefineSection(1,0.5*kLw); |
012f0f4c |
1090 | Float_t lz[8][2]={ |
1091 | {0.5*kLw,-0.5*kLw},{0.8,-0.5*kLw},{0.8,-0.1},{1.0,0.0}, |
1092 | {0.8,0.1},{0.8,0.5*kLw},{0.5*kLw,0.5*kLw}, |
1093 | {0.5*kLw,-0.5*kLw}}; |
023ae34b |
1094 | TXTRU *axisz = new TXTRU("axisz","axisz","text",8,2); |
1095 | for(i=0;i<8;i++) axisz->DefineVertex(i,lz[i][0],lz[i][1]); |
6b0f3880 |
1096 | axisz->DefineSection(0,-0.5*kLw);axisz->DefineSection(1,0.5*kLw); |
023ae34b |
1097 | //TRotMatrix *xaxis90= new TRotMatrix("xaixis90","",90.0, 0.0, 0.0); |
1098 | TRotMatrix *yaxis90= new TRotMatrix("yaixis90","", 0.0,90.0, 0.0); |
1099 | TRotMatrix *zaxis90= new TRotMatrix("zaixis90","", 0.0, 0.0,90.0); |
1100 | // |
1101 | node1->cd(); |
1102 | title = name.Append("axisxy"); |
1103 | TNode *nodeaxy = new TNode(title.Data(),title.Data(),axisxy); |
1104 | title = name.Append("axisz"); |
012f0f4c |
1105 | TNode *nodeaz = new TNode(title.Data(),title.Data(),axisz, |
1106 | 0.,0.,0.,yaxis90); |
023ae34b |
1107 | TNode *textboxX0 = new TNode("textboxX0","textboxX0",axisxl, |
1108 | lxy[3][0],lxy[3][1],0.0); |
1109 | TNode *textboxX1 = new TNode("textboxX1","textboxX1",axisxl, |
1110 | lxy[3][0],lxy[3][1],0.0,yaxis90); |
1111 | TNode *textboxX2 = new TNode("textboxX2","textboxX2",axisxl, |
1112 | lxy[3][0],lxy[3][1],0.0,zaxis90); |
1113 | TNode *textboxY0 = new TNode("textboxY0","textboxY0",axisyl, |
1114 | lxy[9][0],lxy[9][1],0.0); |
1115 | TNode *textboxY1 = new TNode("textboxY1","textboxY1",axisyl, |
1116 | lxy[9][0],lxy[9][1],0.0,yaxis90); |
1117 | TNode *textboxY2 = new TNode("textboxY2","textboxY2",axisyl, |
1118 | lxy[9][0],lxy[9][1],0.0,zaxis90); |
1119 | TNode *textboxZ0 = new TNode("textboxZ0","textboxZ0",axiszl, |
1120 | 0.0,0.0,lz[3][0]); |
1121 | TNode *textboxZ1 = new TNode("textboxZ1","textboxZ1",axiszl, |
1122 | 0.0,0.0,lz[3][0],yaxis90); |
1123 | TNode *textboxZ2 = new TNode("textboxZ2","textboxZ2",axiszl, |
1124 | 0.0,0.0,lz[3][0],zaxis90); |
1125 | nodeaxy->Draw(); |
1126 | nodeaz->Draw(); |
1127 | textboxX0->Draw(); |
1128 | textboxX1->Draw(); |
1129 | textboxX2->Draw(); |
1130 | textboxY0->Draw(); |
1131 | textboxY1->Draw(); |
1132 | textboxY2->Draw(); |
1133 | textboxZ0->Draw(); |
1134 | textboxZ1->Draw(); |
1135 | textboxZ2->Draw(); |
1136 | } // end if |
1137 | mother->cd(); |
1138 | return node1; |
024a4246 |
1139 | } |
023ae34b |
1140 | //---------------------------------------------------------------------- |
6b0f3880 |
1141 | void AliITSgeomMatrix::MakeFigures() const { |
023ae34b |
1142 | // make figures to help document this class |
1143 | // Inputs: |
1144 | // none. |
1145 | // Outputs: |
1146 | // none. |
1147 | // Return: |
1148 | // none. |
6b0f3880 |
1149 | const Double_t kDx0=550.,kDy0=550.,kDz0=550.; // cm |
1150 | const Double_t kDx=1.0,kDy=0.300,kDz=3.0,kRmax=0.1; // cm |
023ae34b |
1151 | Float_t l[5][3]={{1.0,0.0,0.0},{0.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,0.0}, |
1152 | {0.0,0.0,1.0}}; |
1153 | TCanvas *c = new TCanvas(kFALSE);// create a batch mode canvas. |
5385facc |
1154 | #if ROOT_VERSION_CODE>= 331523 |
1155 | Double_t rmin[]={-1,-1,-1}; |
1156 | Double_t rmax[]={ 1, 1, 1}; |
1157 | TView *view = new TView3D(1,rmin,rmax); |
1158 | #else |
023ae34b |
1159 | TView *view = new TView(1); // Create Cartesian coordiante view |
5385facc |
1160 | #endif |
6b0f3880 |
1161 | TBRIK *mother = new TBRIK("Mother","Mother","void",kDx0,kDy0,kDz0); |
1162 | TBRIK *det = new TBRIK("Detector","","Si",kDx,kDy,kDz); |
023ae34b |
1163 | TPolyLine3D *axis = new TPolyLine3D(5,&(l[0][0])); |
1164 | TPCON *arrow = new TPCON("arrow","","air",0.0,360.,2); |
1165 | TRotMatrix *xarrow= new TRotMatrix("xarrow","",90.,0.0,0.0); |
1166 | TRotMatrix *yarrow= new TRotMatrix("yarrow","",0.0,90.,0.0); |
024a4246 |
1167 | |
023ae34b |
1168 | det->SetLineColor(0); // black |
1169 | det->SetLineStyle(1); // solid line |
1170 | det->SetLineWidth(2); // pixel units |
1171 | det->SetFillColor(1); // black |
1172 | det->SetFillStyle(4010); // window is 90% transparent |
1173 | arrow->SetLineColor(det->GetLineColor()); |
1174 | arrow->SetLineWidth(det->GetLineWidth()); |
1175 | arrow->SetLineStyle(det->GetLineStyle()); |
1176 | arrow->SetFillColor(1); // black |
1177 | arrow->SetFillStyle(4100); // window is 100% opaque |
6b0f3880 |
1178 | arrow->DefineSection(0,0.0,0.0,kRmax); |
1179 | arrow->DefineSection(1,2.*kRmax,0.0,0.0); |
1180 | view->SetRange(-kDx0,-kDy0,-kDz0,kDx0,kDy0,kDz0); |
023ae34b |
1181 | // |
1182 | TNode *node0 = new TNode("NODE0","NODE0",mother); |
1183 | node0->cd(); |
1184 | TNode *node1 = new TNode("NODE1","NODE1",det); |
1185 | node1->cd(); |
012f0f4c |
1186 | TNode *nodex = new TNode("NODEx","NODEx",arrow, |
1187 | l[0][0],l[0][1],l[0][2],xarrow); |
1188 | TNode *nodey = new TNode("NODEy","NODEy",arrow, |
1189 | l[2][0],l[2][1],l[2][2],yarrow); |
023ae34b |
1190 | TNode *nodez = new TNode("NODEz","NODEz",arrow,l[4][0],l[4][1],l[4][2]); |
1191 | // |
1192 | axis->Draw(); |
1193 | nodex->Draw(); |
1194 | nodey->Draw(); |
1195 | nodez->Draw(); |
1196 | |
1197 | // |
1198 | node0->cd(); |
1199 | node0->Draw(); |
1200 | c->Update(); |
1201 | c->SaveAs("AliITSgeomMatrix_L1.gif"); |
1202 | } |
df5240ea |
1203 | //---------------------------------------------------------------------- |
1204 | ostream &operator<<(ostream &os,AliITSgeomMatrix &p){ |
023ae34b |
1205 | // Standard output streaming function. |
1206 | // Inputs: |
1207 | // ostream &os The output stream to print the class data on |
1208 | // AliITSgeomMatrix &p This class |
1209 | // Outputs: |
1210 | // none. |
1211 | // Return: |
1212 | // none. |
df5240ea |
1213 | |
8253cd9a |
1214 | p.Print(&os); |
df5240ea |
1215 | return os; |
1216 | } |
1217 | //---------------------------------------------------------------------- |
1218 | istream &operator>>(istream &is,AliITSgeomMatrix &r){ |
023ae34b |
1219 | // Standard input streaming function. |
1220 | // Inputs: |
1221 | // ostream &os The input stream to print the class data on |
1222 | // AliITSgeomMatrix &p This class |
1223 | // Outputs: |
1224 | // none. |
1225 | // Return: |
1226 | // none. |
df5240ea |
1227 | |
8253cd9a |
1228 | r.Read(&is); |
df5240ea |
1229 | return is; |
1230 | } |
8253cd9a |
1231 | //---------------------------------------------------------------------- |