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4c039060 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
58005f18 | 18 | /////////////////////////////////////////////////////////////////////// |
593e9459 | 19 | // ITS geometry manipulation routines. // |
58005f18 | 20 | // Created April 15 1999. // |
21 | // version: 0.0.0 // | |
22 | // By: Bjorn S. Nilsen // | |
23 | // version: 0.0.1 // | |
24 | // Updated May 27 1999. // | |
023ae34b | 25 | // Added Cylindrical random and global based changes. // |
58005f18 | 26 | // Added function PrintComparison. // |
023ae34b | 27 | // Modified and added functions Feb. 7 2006 // |
58005f18 | 28 | /////////////////////////////////////////////////////////////////////// |
593e9459 | 29 | |
30 | ||
31 | //////////////////////////////////////////////////////////////////////// | |
593e9459 | 32 | // The local coordinate system by, default, is show in the following |
33 | // figures. Also shown are the ladder numbering scheme. | |
34 | //Begin_Html | |
35 | /* | |
269f57ed | 36 | <img src="picts/ITS/AliITSgeomMatrix_L1.gif"> |
37 | </pre> | |
38 | <br clear=left> | |
39 | <font size=+2 color=blue> | |
40 | <p>This shows the relative geometry differences between the ALICE Global | |
41 | coordinate system and the local detector coordinate system. | |
42 | </font> | |
43 | <pre> | |
44 | ||
45 | <pre> | |
593e9459 | 46 | <img src="picts/ITS/its1+2_convention_front_5.gif"> |
47 | </pre> | |
48 | <br clear=left> | |
49 | <font size=+2 color=blue> | |
50 | <p>This shows the front view of the SPDs and the orientation of the local | |
51 | pixel coordinate system. Note that the inner pixel layer has its y coordinate | |
52 | in the opposite direction from all of the other layers. | |
53 | </font> | |
54 | <pre> | |
55 | ||
56 | <pre> | |
57 | <img src="picts/ITS/its3+4_convention_front_5.gif"> | |
58 | </pre> | |
59 | <br clear=left> | |
60 | <font size=+2 color=blue> | |
61 | <p>This shows the front view of the SDDs and the orientation of the local | |
62 | pixel coordinate system. | |
63 | </font> | |
64 | <pre> | |
65 | ||
66 | <pre> | |
67 | <img src="picts/ITS/its5+6_convention_front_5.gif"> | |
68 | </pre> | |
69 | <br clear=left> | |
70 | <font size=+2 color=blue> | |
71 | <p>This shows the front view of the SSDs and the orientation of the local | |
72 | pixel coordinate system. | |
73 | </font> | |
74 | <pre> | |
75 | */ | |
76 | //End_Html | |
269f57ed | 77 | // |
593e9459 | 78 | //////////////////////////////////////////////////////////////////////// |
79 | ||
80 | //////////////////////////////////////////////////////////////////////// | |
81 | // | |
82 | // version: 0 | |
83 | // Written by Bjorn S. Nilsen | |
84 | // | |
85 | // Data Members: | |
86 | // | |
023ae34b | 87 | // TString fVersion |
88 | // Transformation version. | |
89 | // Int_t fTrans | |
90 | // Flag to keep track of which transformation | |
91 | // Int_t fNmodules | |
92 | // The total number of modules | |
593e9459 | 93 | // Int_t fNlayers |
94 | // The number of ITS layers for this geometry. By default this | |
95 | // is 6, but can be modified by the creator function if there are | |
96 | // more layers defined. | |
97 | // | |
023ae34b | 98 | // TArrayI fNlad |
593e9459 | 99 | // A pointer to an array fNlayers long containing the number of |
100 | // ladders for each layer. This array is typically created and filled | |
101 | // by the AliITSgeom creator function. | |
102 | // | |
023ae34b | 103 | // TArrayI fNdet |
593e9459 | 104 | // A pointer to an array fNlayers long containing the number of |
105 | // active detector volumes for each ladder. This array is typically | |
106 | // created and filled by the AliITSgeom creator function. | |
107 | // | |
023ae34b | 108 | // TObjArray fGm containing objects of type AliITSgeomMatrix |
269f57ed | 109 | // A pointer to an array of AliITSgeomMatrix classes. One element |
110 | // per module (detector) in the ITS. AliITSgeomMatrix basicly contains | |
111 | // all of the necessary information about the detector and it's coordinate | |
112 | // transformations. | |
593e9459 | 113 | // |
023ae34b | 114 | // TObjArray fShape containting objects of type AliITSgeom |
593e9459 | 115 | // A pointer to an array of TObjects containing the detailed shape |
116 | // information for each type of detector used in the ITS. For example | |
023ae34b | 117 | // I have created AliITSgeomSPD, AliITSgeomSDD, and |
118 | // AliITSsegmenttionSSD as example structures, derived from TObjects, | |
119 | // to hold the detector information. I would recommend that one element | |
120 | // in each of these structures, that which describes the shape of the | |
121 | // active volume, be one of the ROOT classes derived from TShape. In this | |
122 | // way it would be easy to have the display program display the correct | |
123 | // active ITS volumes. See the example classes AliITSgeomSPD, | |
124 | // AliITSgeomSDD, and AliITSgeomSSD for a more detailed | |
125 | // example. | |
593e9459 | 126 | //////////////////////////////////////////////////////////////////////// |
4ae5bbc4 | 127 | #include <Riostream.h> |
5cf690c1 | 128 | #include <ctype.h> |
8253cd9a | 129 | |
269f57ed | 130 | #include <TRandom.h> |
f77f13c8 | 131 | #include <TSystem.h> |
023ae34b | 132 | #include <TArrayI.h> |
e8189707 | 133 | |
f77f13c8 | 134 | #include "AliITSgeomSPD.h" |
023ae34b | 135 | #include "AliITSgeomSDD.h" |
269f57ed | 136 | #include "AliITSgeomSSD.h" |
023ae34b | 137 | #include "AliITSgeom.h" |
f77f13c8 | 138 | #include "AliLog.h" |
58005f18 | 139 | |
140 | ClassImp(AliITSgeom) | |
141 | ||
85f1e34a | 142 | //______________________________________________________________________ |
023ae34b | 143 | AliITSgeom::AliITSgeom(): |
144 | TObject(), | |
145 | fVersion("GEANT"),// Transformation version. | |
146 | fTrans(0), // Flag to keep track of which transformation | |
147 | fNmodules(0), // The total number of modules | |
148 | fNlayers(0), // The number of layers. | |
149 | fNlad(), //[] Array of the number of ladders/layer(layer) | |
150 | fNdet(), //[] Array of the number of detector/ladder(layer) | |
151 | fGm(0,0), // Structure of translation. and rotation. | |
152 | fShape(0,0) // Array of shapes and detector information. | |
153 | { | |
85f1e34a | 154 | // The default constructor for the AliITSgeom class. It, by default, |
155 | // sets fNlayers to zero and zeros all pointers. | |
156 | // Do not allocate anything zero everything. | |
023ae34b | 157 | // Inputs: |
158 | // none. | |
159 | // Outputs: | |
160 | // none. | |
161 | // Return: | |
162 | // a zeroed AliITSgeom object. | |
85f1e34a | 163 | |
023ae34b | 164 | fGm.SetOwner(kTRUE); |
165 | fShape.SetOwner(kTRUE); | |
8253cd9a | 166 | return; |
167 | } | |
e56160b8 | 168 | |
85f1e34a | 169 | //______________________________________________________________________ |
023ae34b | 170 | AliITSgeom::AliITSgeom(Int_t itype,Int_t nlayers,const Int_t *nlads, |
171 | const Int_t *ndets,Int_t mods): | |
172 | TObject(), | |
173 | fVersion("GEANT"), // Transformation version. | |
174 | fTrans(itype), // Flag to keep track of which transformation | |
175 | fNmodules(mods), // The total number of modules | |
176 | fNlayers(nlayers), // The number of layers. | |
177 | fNlad(nlayers,nlads),//[] Array of the number of ladders/layer(layer) | |
178 | fNdet(nlayers,ndets),//[] Array of the number of detector/ladder(layer) | |
179 | fGm(mods,0), // Structure of translation. and rotation. | |
180 | fShape(5,0) // Array of shapes and detector information. | |
181 | { | |
85f1e34a | 182 | // A simple constructor to set basic geometry class variables |
183 | // Inputs: | |
023ae34b | 184 | // Int_t itype the type of transformation kept. |
185 | // bit 0 => Standard GEANT | |
186 | // bit 1 => ITS tracking | |
012f0f4c | 187 | // bit 2 => A change in the coordinate system |
188 | // has been made. others are still to be defined | |
189 | // as needed. | |
190 | // Int_t nlayers The number of ITS layers also set the size of | |
191 | // the arrays | |
192 | // Int_t *nlads an array of the number of ladders for each | |
023ae34b | 193 | // layer. This array must be nlayers long. |
012f0f4c | 194 | // Int_t *ndets an array of the number of detectors per ladder |
195 | // for each layer. This array must be nlayers long. | |
023ae34b | 196 | // Int_t mods The number of modules. Typically the sum of all the |
197 | // detectors on every layer and ladder. | |
85f1e34a | 198 | // Outputs: |
023ae34b | 199 | // none |
200 | // Return: | |
201 | // A properly inilized AliITSgeom object. | |
202 | ||
203 | fGm.SetOwner(kTRUE); | |
204 | fShape.SetOwner(kTRUE); | |
205 | return; | |
206 | } | |
207 | //______________________________________________________________________ | |
208 | void AliITSgeom::Init(Int_t itype,Int_t nlayers,const Int_t *nlads, | |
209 | const Int_t *ndets,Int_t mods){ | |
210 | // A simple Inilizer to set basic geometry class variables | |
211 | // Inputs: | |
212 | // Int_t itype the type of transformation kept. | |
213 | // bit 0 => Standard GEANT | |
214 | // bit 1 => ITS tracking | |
012f0f4c | 215 | // bit 2 => A change in the coordinate system |
216 | // has been made. others are still to be defined | |
217 | // as needed. | |
218 | // Int_t nlayers The number of ITS layers also set the size of | |
219 | // the arrays | |
220 | // Int_t *nlads an array of the number of ladders for each | |
023ae34b | 221 | // layer. This array must be nlayers long. |
012f0f4c | 222 | // Int_t *ndets an array of the number of detectors per ladder |
223 | // for each layer. This array must be nlayers long. | |
023ae34b | 224 | // Int_t mods The number of modules. Typically the sum of all the |
225 | // detectors on every layer and ladder. | |
226 | // Outputs: | |
227 | // none | |
228 | // Return: | |
229 | // A properly inilized AliITSgeom object. | |
8253cd9a | 230 | |
023ae34b | 231 | fVersion = "GEANT"; // Transformation version. |
232 | fTrans = itype; // Flag to keep track of which transformation | |
233 | fNmodules = mods; // The total number of modules | |
234 | fNlayers = nlayers; // The number of layers. | |
235 | fNlad.Set(nlayers,nlads);//[] Array of the number of ladders/layer(layer) | |
236 | fNdet.Set(nlayers,ndets);//[] Array of the number of detector/ladder(layer) | |
237 | fGm.Clear(); | |
238 | fGm.Expand(mods); // Structure of translation. and rotation. | |
239 | fGm.SetOwner(kTRUE); | |
240 | fShape.Clear(); | |
241 | fShape.Expand(5); // Array of shapes and detector information. | |
242 | fShape.SetOwner(kTRUE); | |
8253cd9a | 243 | return; |
58005f18 | 244 | } |
8253cd9a | 245 | //______________________________________________________________________ |
023ae34b | 246 | void AliITSgeom::CreateMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, |
247 | AliITSDetector idet,const Double_t tran[3], | |
248 | const Double_t rot[10]){ | |
85f1e34a | 249 | // Given the translation vector tran[3] and the rotation matrix rot[1], |
250 | // this function creates and adds to the TObject Array fGm the | |
251 | // AliITSgeomMatrix object. | |
85f1e34a | 252 | // The rot[10] matrix is set up like: |
253 | /* / rot[0] rot[1] rot[2] \ | |
254 | // | rot[3] rot[4] rot[5] | | |
255 | // \ rot[6] rot[7] rot[8] / if(rot[9]!=0) then the Identity matrix | |
256 | // is used regardless of the values in rot[0]-rot[8]. | |
257 | */ | |
023ae34b | 258 | // Inputs: |
259 | // Int_t mod The module number. The location in TObjArray | |
260 | // Int_t lay The layer where this module is | |
261 | // Int_t lad On which ladder this module is | |
262 | // Int_t det Which detector on this ladder this module is | |
263 | // AliITSDetector idet The type of detector see AliITSgeom.h | |
264 | // Double_t tran[3] The translation vector | |
265 | // Double_t rot[10] The rotation matrix. | |
266 | // Outputs: | |
267 | // none | |
268 | // Return: | |
269 | // none. | |
8253cd9a | 270 | Int_t id[3]; |
271 | Double_t r[3][3] = {{1.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,1.0}}; | |
58005f18 | 272 | |
023ae34b | 273 | if(mod<0||mod>=fGm.GetSize()){ |
274 | Error("CreateMatrix","mod=%d is out of bounds max value=%d",mod, | |
275 | fGm.GetSize()); | |
276 | return; | |
277 | } // end if | |
278 | delete fGm.At(mod); | |
8253cd9a | 279 | id[0] = lay; id[1] = lad; id[2] = det; |
280 | if(rot[9]!=0.0) { // null rotation | |
023ae34b | 281 | r[0][0] = rot[0]; r[0][1] = rot[1]; r[0][2] = rot[2]; |
282 | r[1][0] = rot[3]; r[1][1] = rot[4]; r[1][2] = rot[5]; | |
283 | r[2][0] = rot[6]; r[2][1] = rot[7]; r[2][2] = rot[8]; | |
8253cd9a | 284 | } // end if |
023ae34b | 285 | fGm.AddAt(new AliITSgeomMatrix(idet,id,r,tran),mod); |
8253cd9a | 286 | } |
85f1e34a | 287 | //______________________________________________________________________ |
58005f18 | 288 | AliITSgeom::~AliITSgeom(){ |
85f1e34a | 289 | // The destructor for the AliITSgeom class. If the arrays fNlad, |
290 | // fNdet, or fGm have had memory allocated to them, there pointer values | |
291 | // are non zero, then this memory space is freed and they are set | |
292 | // to zero. In addition, fNlayers is set to zero. The destruction of | |
293 | // TObjArray fShape is, by default, handled by the TObjArray destructor. | |
023ae34b | 294 | // Inputs: |
295 | // none. | |
296 | // Outputs: | |
297 | // none. | |
298 | // Return: | |
299 | // none. | |
85f1e34a | 300 | |
023ae34b | 301 | return; |
58005f18 | 302 | } |
269f57ed | 303 | //______________________________________________________________________ |
304 | void AliITSgeom::ReadNewFile(const char *filename){ | |
023ae34b | 305 | // It is generally preferred to define the geometry in AliITSgeom |
85f1e34a | 306 | // directly from the GEANT geometry, see AliITSvPPRasymm.cxx for |
307 | // and example. Under some circumstances this may not be possible. | |
308 | // This function will read in a formatted file for all of the | |
309 | // information needed to define the geometry in AliITSgeom. | |
310 | // Unlike the older file format, this file may contain comments | |
311 | // and the order of the data does not need to be completely | |
312 | // respected. A file can be created using the function WriteNewFile | |
313 | // defined below. | |
023ae34b | 314 | // Inputs: |
315 | // const char *filename The file name of the file to be read in. | |
316 | // Outputs: | |
317 | // none | |
318 | // Return: | |
319 | // none. | |
8253cd9a | 320 | Int_t ncmd=9; |
5c9c741e | 321 | const char *cmda[]={"Version" ,"fTrans" ,"fNmodules", |
322 | "fNlayers" ,"fNladers","fNdetectors", | |
323 | "fNDetectorTypes","fShape" ,"Matrix"}; | |
8253cd9a | 324 | Int_t i,j,lNdetTypes,ldet; |
325 | char cmd[20],c; | |
164da35c | 326 | AliITSgeomMatrix *m=0; |
327 | ifstream *fp=0; | |
328 | char *filtmp=0; | |
023ae34b | 329 | Bool_t arrayGm = kFALSE, arrayShape = kFALSE; |
8253cd9a | 330 | |
331 | filtmp = gSystem->ExpandPathName(filename); | |
f77f13c8 | 332 | AliInfo(Form("Reading New .det file %s",filtmp)); |
8253cd9a | 333 | fp = new ifstream(filtmp,ios::in); // open file to write |
334 | while(fp->get(c)!=NULL){ // for ever loop | |
023ae34b | 335 | if(c==' ') continue; // remove blanks |
336 | if(c=='\n') continue; | |
337 | if(c=='#' || c=='!') {while(fp->get(c)) if(c=='\n') break; continue;} | |
338 | if(c=='/'){ | |
339 | fp->get(c);{ | |
340 | if(c=='/') {while(fp->get(c)) if(c=='\n') break; continue;} | |
341 | if(c=='*'){ | |
342 | NotYet: | |
343 | while(fp->get(c)) if(c=='*') break; | |
344 | fp->get(c);{ | |
345 | if(c=='/') continue; | |
346 | goto NotYet; | |
347 | } // | |
348 | } // end if c=='*' | |
349 | } // end if second / | |
350 | } // end if first / | |
351 | fp->putback(c); | |
352 | *fp >> cmd; | |
353 | for(i=0;i<ncmd;i++) if(strcmp(cmd,cmda[i])==0) break; | |
354 | switch (i){ | |
355 | case 0: // Version | |
5cf690c1 | 356 | while(isspace(fp->peek())) fp->get(); // skip spaces |
357 | if(isdigit(fp->peek())){ // new TString | |
358 | *fp >> j; | |
359 | fVersion.Resize(j); | |
360 | for(j=0;j<fVersion.Length();j++) *fp >> fVersion[j]; | |
361 | }else{ | |
362 | fVersion.Resize(20); | |
363 | for(j=0;isprint(fp->peek())&&j<20;j++) *fp >> fVersion[j]; | |
364 | } // end if isdigit | |
023ae34b | 365 | break; |
366 | case 1: // fTrans | |
367 | *fp >> fTrans; | |
368 | break; | |
369 | case 2: // fNModules | |
370 | *fp >> fNmodules; | |
371 | fGm.Clear(); | |
372 | fGm.Expand(fNmodules); | |
373 | fGm.SetOwner(kTRUE); | |
374 | arrayGm = kTRUE; | |
375 | break; | |
376 | case 3: // fNlayers | |
377 | *fp >> fNlayers; | |
378 | fNlad.Set(fNlayers); | |
379 | fNdet.Set(fNlayers); | |
380 | break; | |
381 | case 4: // fNladers | |
382 | for(j=0;j<fNlayers;j++) *fp >> fNlad[j]; | |
383 | break; | |
384 | case 5: // fNdetectors | |
385 | for(j=0;j<fNlayers;j++) *fp >> fNdet[j]; | |
386 | break; | |
387 | case 6: // fNDetectorTypes | |
388 | *fp >> lNdetTypes; | |
389 | fShape.Clear(); | |
390 | fShape.Expand(lNdetTypes); | |
391 | fShape.SetOwner(kTRUE); | |
392 | arrayShape = kTRUE; | |
393 | break; | |
394 | case 7: // fShape | |
395 | *fp >> ldet; | |
396 | if(!arrayShape) fShape.Expand(5); | |
397 | fShape.SetOwner(kTRUE); | |
398 | switch (ldet){ | |
399 | case kSPD :{ | |
400 | AliITSgeomSPD *spd = new AliITSgeomSPD(); | |
401 | *fp >> *spd; | |
402 | ReSetShape(ldet,spd); | |
403 | } break; | |
404 | case kSDD : case kSDDp:{ | |
405 | AliITSgeomSDD *sdd = new AliITSgeomSDD(); | |
406 | *fp >> *sdd; | |
407 | ReSetShape(ldet,sdd); | |
408 | }break; | |
409 | case kSSD : case kSSDp :{ | |
410 | AliITSgeomSSD *ssd = new AliITSgeomSSD(); | |
411 | *fp >> *ssd; | |
412 | ReSetShape(ldet,ssd); | |
413 | }break; | |
414 | default:{ | |
415 | AliError(Form("Unknown fShape type number=%d c=%c",ldet,c)); | |
416 | while(fp->get(c)) if(c=='\n') break; // skip to end of line. | |
417 | }break; | |
418 | } // end switch | |
419 | break; | |
420 | case 8: // Matrix | |
421 | *fp >> ldet; | |
422 | if(!arrayGm){ | |
423 | fGm.Clear(); | |
424 | fGm.Expand(2270); | |
425 | arrayGm = kTRUE; | |
426 | } // end if | |
427 | if(ldet<0||ldet>=fGm.GetSize()){ | |
a5a317a9 | 428 | Error("ReadNewFile","ldet<0||ldet>=fGm.GetSize()=%d , ldet=%d", |
429 | fGm.GetSize(),ldet); | |
023ae34b | 430 | return; |
8253cd9a | 431 | } // end if |
023ae34b | 432 | delete fGm.At(ldet); |
433 | fGm.AddAt((TObject*)new AliITSgeomMatrix(),ldet); | |
434 | m = (AliITSgeomMatrix*) fGm.At(ldet); | |
435 | *fp >> *m; | |
436 | m = 0; | |
437 | break; | |
438 | default: | |
e7fbc766 | 439 | AliError(Form("Data line i=%d ",i)); |
023ae34b | 440 | while(fp->get(c)) if(c=='\n') break; // skip this line |
441 | break; | |
442 | } // end switch i | |
8253cd9a | 443 | } // end while |
444 | delete fp; | |
445 | ||
446 | return; | |
447 | } | |
448 | //______________________________________________________________________ | |
5cf690c1 | 449 | void AliITSgeom::WriteNewFile(const char *filename)const{ |
023ae34b | 450 | // Writes AliITSgeom, AliITSgeomMatrix, and the defined |
451 | // AliITSgeomS*D classes to a file in a format that | |
452 | // is more readable and commendable. | |
453 | // Inputs: | |
454 | // const char *filename The file name of the file to be write to. | |
455 | // Outputs: | |
456 | // none | |
457 | // Return: | |
458 | // none | |
8253cd9a | 459 | ofstream *fp; |
460 | Int_t i; | |
461 | char *filtmp; | |
462 | ||
463 | filtmp = gSystem->ExpandPathName(filename); | |
464 | fp = new ofstream(filtmp,ios::out); // open file to write | |
465 | *fp << "//Comment lines begin with two //, one #, or one !" << endl; | |
466 | *fp << "#Blank lines are skipped including /* and */ sections." << endl; | |
467 | *fp << "!and, in principle the order of the lines is not important" <<endl; | |
468 | *fp << "/* In AliITSgeom.h are defined an enumerated type called" << endl; | |
469 | *fp << " AliITSDetectors These are kSPD=" << (Int_t) kSPD ; | |
470 | *fp << ", kSDD=" << (Int_t) kSDD << ", kSSD=" << (Int_t) kSSD; | |
5c9c741e | 471 | *fp << ", kSSDp=" << (Int_t) kSSDp << ", and kSDDp=" << (Int_t) kSDDp; |
472 | *fp << "*/" << endl; | |
012f0f4c | 473 | *fp << "Version "<< fVersion.Length()<<" " << fVersion.Data() << endl;// |
474 | // This should be consistent | |
475 | // with the geometry version. | |
8253cd9a | 476 | *fp << "fTrans " << fTrans << endl; |
477 | *fp << "fNmodules " << fNmodules << endl; | |
478 | *fp << "fNlayers " << fNlayers << endl; | |
479 | *fp << "fNladers "; | |
480 | for(i=0;i<fNlayers;i++) *fp << fNlad[i] << " "; | |
481 | *fp << endl; | |
482 | *fp << "fNdetectors "; | |
483 | for(i=0;i<fNlayers;i++) *fp << fNdet[i] << " "; | |
484 | *fp << endl; | |
023ae34b | 485 | *fp << "fNDetectorTypes " << fShape.GetEntriesFast() << endl; |
486 | for(i=0;i<fShape.GetEntriesFast();i++){ | |
8253cd9a | 487 | if(!IsShapeDefined(i)) continue; // only print out used shapes. |
488 | switch (i){ | |
489 | case kSPD : | |
490 | *fp << "fShape " << (Int_t) kSPD << " "; | |
023ae34b | 491 | *fp << *((AliITSgeomSPD*)(fShape.At(i))); |
8253cd9a | 492 | break; |
493 | case kSDD : | |
494 | *fp << "fShape " << (Int_t) kSDD << " "; | |
023ae34b | 495 | *fp << *((AliITSgeomSDD*)(fShape.At(i))); |
8253cd9a | 496 | break; |
497 | case kSSD : case kSSDp : | |
498 | *fp << "fShape " << i << " "; | |
023ae34b | 499 | *fp << *((AliITSgeomSSD*)(fShape.At(i))); |
8253cd9a | 500 | break; |
501 | default: | |
502 | Error("AliITSgeom::WriteNewFile","Unknown Shape value"); | |
503 | } // end switch (i) | |
504 | } // end for i | |
505 | for(i=0;i<fNmodules;i++){ | |
506 | *fp << "Matrix " << i << " "; | |
507 | *fp << *GetGeomMatrix(i); | |
508 | } // end for i | |
509 | *fp << "//End of File" << endl;; | |
510 | ||
511 | delete fp; | |
269f57ed | 512 | return; |
513 | } | |
85f1e34a | 514 | //______________________________________________________________________ |
023ae34b | 515 | AliITSgeom::AliITSgeom(const char *filename): |
516 | TObject(), | |
517 | fVersion("test"),// Transformation version. | |
518 | fTrans(0), // Flag to keep track of which transformation | |
519 | fNmodules(0), // The total number of modules | |
520 | fNlayers(0), // The number of layers. | |
521 | fNlad(), // TArrayI of the number of ladders/layer(layer) | |
522 | fNdet(), // TArrayI of the number of detector/ladder(layer) | |
523 | fGm(0,0), // TObjArray Structure of translation. and rotation. | |
524 | fShape(0,0) // TObjArray of detector geom. | |
525 | { | |
85f1e34a | 526 | // The constructor for the AliITSgeom class. All of the data to fill |
527 | // this structure is read in from the file given my the input filename. | |
023ae34b | 528 | // Inputs: |
529 | // const char *filename The file name of the file to be read in. | |
530 | // Outputs: | |
531 | // none | |
532 | // Return: | |
533 | // An AliITSgeom class initialized from a file. | |
85f1e34a | 534 | FILE *pf=0; |
535 | Int_t i,lm=0,id[3]; | |
536 | Int_t l,a,d; | |
537 | Float_t x,y,z,o,p,q,r,s,t; | |
538 | Double_t rot6[6],tran[3]; | |
539 | char buf[200],*buff=0; // input character buffer; | |
023ae34b | 540 | char *filtmp; |
58005f18 | 541 | |
85f1e34a | 542 | filtmp = gSystem->ExpandPathName(filename); |
023ae34b | 543 | Info("AliITSgeom","reading old .det file %s",filtmp); |
544 | fVersion="GEANT5"; | |
85f1e34a | 545 | pf = fopen(filtmp,"r"); |
546 | ||
547 | fNlayers = 6; // set default number of ladders | |
023ae34b | 548 | TryAgain: |
549 | fNlad.Set(fNlayers); | |
550 | fNdet.Set(fNlayers); | |
85f1e34a | 551 | fNmodules = 0; |
552 | // find the number of ladders and detectors in this geometry. | |
553 | for(i=0;i<fNlayers;i++){fNlad[i]=fNdet[i]=0;} // zero out arrays | |
554 | while(fgets(buf,200,pf)!=NULL){ // for ever loop | |
023ae34b | 555 | for(i=0;i<200;i++)if(buf[i]!=' '){ // remove blank spaces. |
556 | buff = &(buf[i]); | |
557 | break; | |
558 | } // end for i | |
559 | // remove blank lines and comments. | |
560 | if(buff[0]=='\n'||buff[0]=='#'||buff[0]=='!'|| | |
561 | (buff[0]=='/'&&buff[1]=='/')) continue; | |
562 | if(isalpha(buff[0])) { // must be the new file formated file. | |
269f57ed | 563 | fclose(pf); |
269f57ed | 564 | ReadNewFile(filename); |
565 | return; | |
023ae34b | 566 | } // end if isalpha(buff[0]) |
567 | sscanf(buff,"%d %d %d %f %f %f %f %f %f %f %f %f", | |
568 | &l,&a,&d,&x,&y,&z,&o,&p,&q,&r,&s,&t); | |
569 | if(l>lm) lm = l; | |
570 | if(l<1 || l>fNlayers) { | |
012f0f4c | 571 | printf("error in file %s layer=%d min. is 1 max is %d" |
572 | " Trying new format\n",filename,l,fNlayers); | |
5cf690c1 | 573 | fclose(pf); |
574 | ReadNewFile(filename); | |
575 | return; | |
576 | //continue; | |
023ae34b | 577 | }// end if l |
578 | fNmodules++; | |
579 | if(l<=fNlayers&&fNlad[l-1]<a) fNlad[l-1] = a; | |
580 | if(l<=fNlayers&&fNdet[l-1]<d) fNdet[l-1] = d; | |
85f1e34a | 581 | } // end while ever loop |
582 | if(lm>fNlayers){ | |
023ae34b | 583 | fNlayers = lm; |
584 | goto TryAgain; | |
85f1e34a | 585 | } // end if lm>fNlayers |
586 | // counted the number of ladders and detectors now allocate space. | |
023ae34b | 587 | fGm.Expand(fNmodules); |
588 | fGm.SetOwner(kTRUE); | |
589 | fShape.SetOwner(kTRUE); | |
58005f18 | 590 | |
85f1e34a | 591 | // Set up Shapes for a default configuration of 6 layers. |
592 | fTrans = 0; // standard GEANT global/local coordinate system. | |
593 | // prepare to read in transforms | |
594 | lm = 0; // reuse lm as counter of modules. | |
595 | rewind(pf); // start over reading file | |
596 | while(fgets(buf,200,pf)!=NULL){ // for ever loop | |
023ae34b | 597 | for(i=0;i<200;i++)if(buf[i]!=' '){ // remove blank spaces. |
598 | buff = &(buf[i]); | |
599 | break; | |
600 | } // end for i | |
601 | // remove blank lines and comments. | |
602 | if(buff[0]=='\n'||buff[0]=='#'||buff[0]=='!'|| | |
603 | (buff[0]=='/'&&buff[1]=='/')) continue; | |
604 | x = y = z = o = p = q = r = s = t = 0.0; | |
605 | sscanf(buff,"%d %d %d %f %f %f %f %f %f %f %f %f", | |
606 | &l,&a,&d,&x,&y,&z,&o,&p,&q,&r,&s,&t); | |
607 | if(l<1 || l>fNlayers) { | |
012f0f4c | 608 | Warning("AliITSgeom","error in file %s layer=%d" |
609 | " min. is 1 max is %d",filename,l,fNlayers); | |
023ae34b | 610 | continue; |
611 | }// end if l | |
612 | id[0] = l;id[1] = a;id[2] = d; | |
613 | tran[0] = tran[1] = tran[2] = 0.0; | |
614 | tran[0] = (Double_t)x;tran[1] = (Double_t)y;tran[2] = (Double_t)z; | |
615 | rot6[0] = rot6[1] = rot6[2] = rot6[3] = rot6[4] = rot6[5] =0.0; | |
616 | rot6[0] = (Double_t)o;rot6[1] = (Double_t)p;rot6[2] = (Double_t)q; | |
617 | rot6[3] = (Double_t)r;rot6[4] = (Double_t)s;rot6[5] = (Double_t)t; | |
618 | if(lm<0||lm>=fGm.GetSize()){ | |
a5a317a9 | 619 | Error("AliITSgeom(filename)","lm<0||lm>=fGm.GetSize()=%d , lm=%d", |
620 | fGm.GetSize(),lm); | |
023ae34b | 621 | return; |
622 | } // end if | |
623 | switch (l){ | |
624 | case 1: case 2: // layer 1 or2 SPD | |
625 | fGm.AddAt(new AliITSgeomMatrix(rot6,kSPD,id,tran),lm++); | |
626 | break; | |
627 | case 3: case 4: // layer 3 or 4 SDD | |
628 | fGm.AddAt(new AliITSgeomMatrix(rot6,kSDD,id,tran),lm++); | |
629 | break; | |
630 | case 5: case 6: // layer 5 or 6 SSD | |
631 | fGm.AddAt(new AliITSgeomMatrix(rot6,kSSD,id,tran),lm++); | |
632 | break; | |
633 | } // end switch | |
85f1e34a | 634 | } // end while ever loop |
635 | fclose(pf); | |
58005f18 | 636 | } |
85f1e34a | 637 | //______________________________________________________________________ |
012f0f4c | 638 | AliITSgeom::AliITSgeom(const AliITSgeom &source) : |
639 | TObject(source), | |
640 | fVersion(source.fVersion), // Transformation version. | |
641 | fTrans(source.fTrans), // Flag to keep track of which transformation | |
642 | fNmodules(source.fNmodules),// The total number of modules | |
643 | fNlayers(source.fNlayers), // The number of layers. | |
644 | fNlad(source.fNlad), // Array of the number of ladders/layer(layer) | |
645 | fNdet(source.fNdet), // Array of the number of detector/ladder(layer) | |
646 | fGm(source.fGm.GetSize(),source.fGm.LowerBound()),// Structure of | |
647 | // translation and rotation. | |
648 | fShape(source.fShape.GetSize(),source.fShape.LowerBound())// Array of shapes | |
649 | // and detector information. | |
e56160b8 | 650 | { |
85f1e34a | 651 | // The copy constructor for the AliITSgeom class. It calls the |
652 | // = operator function. See the = operator function for more details. | |
023ae34b | 653 | // Inputs: |
654 | // AliITSgeom &source The AliITSgeom class with which to make this | |
655 | // a copy of. | |
656 | // Outputs: | |
657 | // none. | |
658 | // Return: | |
659 | // none. | |
012f0f4c | 660 | Int_t i,n; |
593e9459 | 661 | |
012f0f4c | 662 | n = source.fGm.GetLast()+1; |
663 | for(i=source.fGm.LowerBound();i<n;i++){ | |
664 | fGm.AddAt(new AliITSgeomMatrix(*((AliITSgeomMatrix*)( | |
665 | source.fGm.At(i)))),i); | |
666 | } // end for i | |
667 | fGm.SetOwner(kTRUE); | |
668 | n = source.fShape.GetLast()+1; | |
669 | for(i=source.fShape.LowerBound();i<n;i++){ | |
670 | switch ((AliITSDetector)i){ | |
671 | case kSPD :{ | |
672 | fShape.AddAt(new AliITSgeomSPD(*((AliITSgeomSPD*)( | |
673 | source.fShape.At(i)))),i); | |
674 | } break; | |
675 | case kSDD : case kSDDp:{ | |
676 | fShape.AddAt(new AliITSgeomSDD(*((AliITSgeomSDD*)( | |
677 | source.fShape.At(i)))),i); | |
678 | }break; | |
679 | case kSSD : case kSSDp :{ | |
680 | fShape.AddAt(new AliITSgeomSSD(*((AliITSgeomSSD*)( | |
681 | source.fShape.At(i)))),i); | |
682 | }break; | |
683 | default:{ | |
684 | AliError(Form("Unknown fShape type number=%d",i)); | |
685 | }break; | |
686 | } // end switch | |
687 | } // end for i | |
688 | fShape.SetOwner(kTRUE); | |
689 | return; | |
58005f18 | 690 | } |
85f1e34a | 691 | //______________________________________________________________________ |
7f6ab649 | 692 | AliITSgeom& AliITSgeom::operator=(const AliITSgeom &source){ |
85f1e34a | 693 | // The = operator function for the AliITSgeom class. It makes an |
694 | // independent copy of the class in such a way that any changes made | |
695 | // to the copied class will not affect the source class in any way. | |
696 | // This is required for many ITS alignment studies where the copied | |
697 | // class is then modified by introducing some misalignment. | |
023ae34b | 698 | // Inputs: |
699 | // AliITSgeom &source The AliITSgeom class with which to make this | |
700 | // a copy of. | |
701 | // Outputs: | |
702 | // none. | |
703 | // Return: | |
704 | // *this The a new copy of source. | |
705 | Int_t i; | |
58005f18 | 706 | |
023ae34b | 707 | if(this == &source) return *this; // don't assign to ones self. |
58005f18 | 708 | |
023ae34b | 709 | // if there is an old structure allocated delete it first. |
710 | this->fGm.Clear(); | |
711 | this->fShape.Clear(); | |
085bb6ed | 712 | |
023ae34b | 713 | this->fVersion = source.fVersion; |
714 | this->fTrans = source.fTrans; | |
715 | this->fNmodules = source.fNmodules; | |
012f0f4c | 716 | this->fNlayers = source.fNlayers; |
717 | this->fNlad = source.fNlad; | |
718 | this->fNdet = source.fNdet; | |
023ae34b | 719 | this->fGm.Expand(this->fNmodules); |
012f0f4c | 720 | for(i=source.fGm.LowerBound();i<source.fGm.GetLast();i++){ |
721 | fGm.AddAt(new AliITSgeomMatrix(*((AliITSgeomMatrix*)( | |
722 | source.fGm.At(i)))),i); | |
723 | } // end for i | |
724 | fGm.SetOwner(kTRUE); | |
725 | this->fShape.Expand(source.fShape.GetEntriesFast()); | |
726 | for(i=source.fShape.LowerBound();i<source.fShape.GetLast();i++){ | |
727 | switch ((AliITSDetector)i){ | |
728 | case kSPD :{ | |
729 | fShape.AddAt(new AliITSgeomSPD(*((AliITSgeomSPD*)( | |
730 | source.fShape.At(i)))),i); | |
731 | } break; | |
732 | case kSDD : case kSDDp:{ | |
733 | fShape.AddAt(new AliITSgeomSDD(*((AliITSgeomSDD*)( | |
734 | source.fShape.At(i)))),i); | |
735 | }break; | |
736 | case kSSD : case kSSDp :{ | |
737 | fShape.AddAt(new AliITSgeomSSD(*((AliITSgeomSSD*)( | |
738 | source.fShape.At(i)))),i); | |
739 | }break; | |
740 | default:{ | |
741 | AliError(Form("Unknown fShape type number=%d",i)); | |
742 | }break; | |
743 | } // end switch | |
744 | } // end for i | |
745 | fShape.SetOwner(kTRUE); | |
023ae34b | 746 | return *this; |
85f1e34a | 747 | } |
748 | //______________________________________________________________________ | |
5cf690c1 | 749 | Int_t AliITSgeom::GetModuleIndex(Int_t lay,Int_t lad,Int_t det)const{ |
85f1e34a | 750 | // This routine computes the module index number from the layer, |
751 | // ladder, and detector numbers. The number of ladders and detectors | |
752 | // per layer is determined when this geometry package is constructed, | |
753 | // see AliITSgeom(const char *filename) for specifics. | |
023ae34b | 754 | // Inputs: |
755 | // Int_t lay The layer number. Starting from 1. | |
756 | // Int_t lad The ladder number. Starting from 1. | |
757 | // Int_t det The detector number. Starting from 1. | |
758 | // Outputs: | |
759 | // none. | |
760 | // Return: | |
761 | // the module index number, starting from zero. | |
269f57ed | 762 | Int_t i,j,k,id[3]; |
593e9459 | 763 | |
764 | i = fNdet[lay-1] * (lad-1) + det - 1; | |
765 | j = 0; | |
766 | for(k=0;k<lay-1;k++) j += fNdet[k]*fNlad[k]; | |
269f57ed | 767 | i = i+j; |
7e932df0 | 768 | if(i>=fNmodules) return -1; |
8253cd9a | 769 | GetGeomMatrix(i)->GetIndex(id); |
269f57ed | 770 | if(id[0]==lay&&id[1]==lad&&id[2]==det) return i; |
771 | // Array of modules fGm is not in expected order. Search for this index | |
772 | for(i=0;i<fNmodules;i++){ | |
023ae34b | 773 | GetGeomMatrix(i)->GetIndex(id); |
774 | if(id[0]==lay&&id[1]==lad&&id[2]==det) return i; | |
269f57ed | 775 | } // end for i |
776 | // This layer ladder and detector combination does not exist return -1. | |
777 | return -1; | |
593e9459 | 778 | } |
269f57ed | 779 | //______________________________________________________________________ |
012f0f4c | 780 | void AliITSgeom::GetModuleId(Int_t index,Int_t &lay,Int_t &lad,Int_t &det) |
781 | const{ | |
85f1e34a | 782 | // This routine computes the layer, ladder and detector number |
783 | // given the module index number. The number of ladders and detectors | |
784 | // per layer is determined when this geometry package is constructed, | |
785 | // see AliITSgeom(const char *filename) for specifics. | |
023ae34b | 786 | // Inputs: |
787 | // Int_t index The module index number, starting from zero. | |
788 | // Outputs: | |
789 | // Int_t lay The layer number. Starting from 1. | |
790 | // Int_t lad The ladder number. Starting from 1. | |
791 | // Int_t det The detector number. Starting from 1. | |
792 | // Return: | |
793 | // none. | |
269f57ed | 794 | Int_t id[3]; |
88cb7938 | 795 | AliITSgeomMatrix *g = GetGeomMatrix(index); |
269f57ed | 796 | |
023ae34b | 797 | if (g == 0x0){ |
798 | Error("GetModuleId","Can not get GeoMatrix for index = %d",index); | |
799 | lay = -1; lad = -1; det = -1; | |
800 | }else{ | |
801 | g->GetIndex(id); | |
802 | lay = id[0]; lad = id[1]; det = id[2]; | |
803 | }// End if | |
804 | return; | |
269f57ed | 805 | // The old way kept for posterity. |
806 | /* | |
807 | Int_t i,j,k; | |
593e9459 | 808 | j = 0; |
809 | for(k=0;k<fNlayers;k++){ | |
58005f18 | 810 | j += fNdet[k]*fNlad[k]; |
aa6248e2 | 811 | if(j>index)break; |
58005f18 | 812 | } // end for k |
813 | lay = k+1; | |
814 | i = index -j + fNdet[k]*fNlad[k]; | |
815 | j = 0; | |
816 | for(k=0;k<fNlad[lay-1];k++){ | |
aa6248e2 | 817 | j += fNdet[lay-1]; |
818 | if(j>i)break; | |
58005f18 | 819 | } // end for k |
820 | lad = k+1; | |
821 | det = 1+i-fNdet[lay-1]*k; | |
822 | return; | |
269f57ed | 823 | */ |
58005f18 | 824 | } |
85f1e34a | 825 | //______________________________________________________________________ |
5cf690c1 | 826 | Int_t AliITSgeom::GetNDetTypes(Int_t &max)const{ |
023ae34b | 827 | // Finds and returns the number of detector types used and the |
828 | // maximum detector type value. Only counts id >=0 (no undefined | |
829 | // values. See AliITSgeom.h for list of AliITSDetecor enumerated types. | |
830 | // Inputs: | |
831 | // none. | |
832 | // Outputs: | |
833 | // The maximum detector type used | |
834 | // Return: | |
835 | // The number of detector types used | |
836 | Int_t i,*n,id; | |
837 | ||
838 | max = -1; | |
839 | for(i=0;i<GetIndexMax();i++){ | |
840 | id = GetModuleType(i); | |
841 | if(id>max) max=id; | |
842 | } // end for i | |
843 | n = new Int_t[max+1]; | |
844 | for(i=0;i<max;i++) n[i] = 0; | |
845 | for(i=0;i<GetIndexMax();i++){ | |
846 | id = GetModuleType(i); | |
847 | if(id>-1)n[id]++; // note id=-1 => undefined. | |
848 | } // end for i | |
849 | id = 0; | |
850 | for(i=0;i<max;i++) if(n[i]!=0) id++; | |
851 | delete[] n; | |
852 | return id+1; | |
853 | } | |
854 | //______________________________________________________________________ | |
5cf690c1 | 855 | Int_t AliITSgeom::GetNDetTypes(TArrayI &maxs,AliITSDetector *types)const{ |
023ae34b | 856 | // Finds and returns the number of detector types used and the |
857 | // number of each detector type. Only counts id >=0 (no undefined | |
858 | // values. See AliITSgeom.h for list of AliITSDetecor enumerated types. | |
859 | // Inputs: | |
860 | // none. | |
861 | // Outputs: | |
862 | // The maximum detector type used | |
863 | // Return: | |
864 | // The number of detector types used | |
865 | Int_t i,j,*n,id,max; | |
866 | ||
867 | max = -1; | |
868 | for(i=0;i<GetIndexMax();i++){ | |
869 | id = GetModuleType(i); | |
870 | if(id>max) max=id; | |
871 | } // end for i | |
872 | n = new Int_t[max+1]; | |
873 | for(i=0;i<max;i++) n[i] = 0; | |
874 | for(i=0;i<GetIndexMax();i++){ | |
875 | id = GetModuleType(i); | |
876 | if(id>-1)n[id]++; // note id=-1 => undefined. | |
877 | } // end for i | |
878 | id = 0; | |
879 | for(i=0;i<=max;i++) if(n[i]!=0) id++; | |
880 | maxs.Set(id); | |
881 | j = 0; | |
882 | for(i=0;i<=max;i++) if(n[i]!=0){ | |
883 | maxs[j] = n[i]; | |
884 | types[j++] = (AliITSDetector) i; | |
885 | } // end for i/end if | |
886 | delete[] n; | |
887 | return id; | |
888 | } | |
889 | //______________________________________________________________________ | |
5cf690c1 | 890 | Int_t AliITSgeom::GetStartDet(Int_t dtype)const{ |
85f1e34a | 891 | // returns the starting module index value for a give type of detector id. |
892 | // This assumes that the detector types are different on different layers | |
893 | // and that they are not mixed up. | |
023ae34b | 894 | // Inputs: |
012f0f4c | 895 | // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, |
896 | // and 2 for SSD. | |
023ae34b | 897 | // Outputs: |
898 | // none. | |
899 | // Return: | |
900 | // the module index for the first occurrence of that detector type. | |
85f1e34a | 901 | |
902 | switch(dtype){ | |
903 | case 0: | |
023ae34b | 904 | return GetModuleIndex(1,1,1); |
905 | break; | |
85f1e34a | 906 | case 1: |
023ae34b | 907 | return GetModuleIndex(3,1,1); |
908 | break; | |
85f1e34a | 909 | case 2: |
023ae34b | 910 | return GetModuleIndex(5,1,1); |
911 | break; | |
85f1e34a | 912 | default: |
023ae34b | 913 | Warning("GetStartDet","undefined detector type %d",dtype); |
914 | return 0; | |
85f1e34a | 915 | } // end switch |
916 | ||
917 | Warning("GetStartDet","undefined detector type %d",dtype); | |
918 | return 0; | |
085bb6ed | 919 | } |
85f1e34a | 920 | //______________________________________________________________________ |
5cf690c1 | 921 | Int_t AliITSgeom::GetLastDet(Int_t dtype)const{ |
85f1e34a | 922 | // returns the last module index value for a give type of detector id. |
923 | // This assumes that the detector types are different on different layers | |
924 | // and that they are not mixed up. | |
023ae34b | 925 | // Inputs: |
012f0f4c | 926 | // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, |
927 | // and 2 for SSD. | |
023ae34b | 928 | // Outputs: |
929 | // Return: | |
930 | // the module index for the last occurrence of that detector type. | |
85f1e34a | 931 | |
a1e4be5b | 932 | switch((AliITSDetector)dtype){ |
933 | case kSPD: | |
934 | return GetModuleIndex(3,1,1)-1; | |
023ae34b | 935 | break; |
a1e4be5b | 936 | case kSDD: |
937 | return GetModuleIndex(5,1,1)-1; | |
023ae34b | 938 | break; |
a1e4be5b | 939 | case kSSD: |
e8d3012e | 940 | return GetIndexMax()-1; |
023ae34b | 941 | break; |
a1e4be5b | 942 | case kSSDp: case kSDDp: case kND: |
85f1e34a | 943 | default: |
023ae34b | 944 | Warning("GetLastDet","undefined detector type %d",dtype); |
945 | return 0; | |
85f1e34a | 946 | } // end switch |
947 | ||
948 | Warning("GetLastDet","undefined detector type %d",dtype); | |
949 | return 0; | |
085bb6ed | 950 | } |
85f1e34a | 951 | //______________________________________________________________________ |
012f0f4c | 952 | Bool_t AliITSgeom::IsInside(Int_t module,Double_t point[3])const{ |
953 | // Determins if the give point is inside of the module as defined | |
954 | // by this set of coordinate transforms. | |
955 | // Inputs: | |
956 | // Int_t module The module to be checked | |
957 | // Double_t point[3] A 3 vector global point | |
958 | // Outputs: | |
959 | // none. | |
960 | // Return: | |
961 | // kTRUE if point is inside of module, kFALSE otherwise. | |
962 | Double_t l[3],dx,dy,dz; | |
963 | AliITSDetector idet = (AliITSDetector)(this->GetGeomMatrix(module)-> | |
964 | GetDetectorIndex()); | |
965 | ||
966 | this->GtoL(module,point,l); | |
967 | switch(idet){ | |
968 | case kSPD:{ | |
969 | AliITSgeomSPD *spd = (AliITSgeomSPD*)(fShape.At((Int_t)idet)); | |
970 | dx = spd->GetDx(); | |
971 | dy = spd->GetDy(); | |
972 | dz = spd->GetDz();} | |
973 | break; | |
974 | case kSDD: case kSDDp:{ | |
975 | AliITSgeomSDD *sdd = (AliITSgeomSDD*)(fShape.At((Int_t)idet)); | |
976 | dx = sdd->GetDx(); | |
977 | dy = sdd->GetDy(); | |
978 | dz = sdd->GetDz();} | |
979 | break; | |
980 | case kSSD: case kSSDp:{ | |
981 | AliITSgeomSSD *ssd = (AliITSgeomSSD*)(fShape.At((Int_t)idet)); | |
982 | dx = ssd->GetDx(); | |
983 | dy = ssd->GetDy(); | |
984 | dz = ssd->GetDz();} | |
985 | break; | |
986 | default: // Detector not defined. | |
987 | return kFALSE; | |
988 | break; | |
989 | }// end switch | |
990 | if(TMath::Abs(l[0])>dx) return kFALSE; | |
991 | if(TMath::Abs(l[2])>dz) return kFALSE; | |
992 | if(TMath::Abs(l[1])>dy) return kFALSE; | |
993 | return kTRUE; | |
994 | } | |
995 | //______________________________________________________________________ | |
5cf690c1 | 996 | void AliITSgeom::PrintComparison(FILE *fp,AliITSgeom *other)const{ |
85f1e34a | 997 | // This function was primarily created for diagnostic reasons. It |
998 | // print to a file pointed to by the file pointer fp the difference | |
023ae34b | 999 | // between two AliITSgeom classes. The format of the file is basically, |
85f1e34a | 1000 | // define d? to be the difference between the same element of the two |
1001 | // classes. For example dfrx = this->GetGeomMatrix(i)->frx | |
1002 | // - other->GetGeomMatrix(i)->frx. | |
1003 | // if(at least one of dfx0, dfy0, dfz0,dfrx,dfry,dfrz are non zero) then | |
1004 | // print layer ladder detector dfx0 dfy0 dfz0 dfrx dfry dfrz | |
1005 | // if(at least one of the 9 elements of dfr[] are non zero) then print | |
1006 | // layer ladder detector dfr[0] dfr[1] dfr[2] | |
1007 | // dfr[3] dfr[4] dfr[5] | |
1008 | // dfr[6] dfr[7] dfr[8] | |
1009 | // Only non zero values are printed to save space. The differences are | |
1010 | // typical written to a file because there are usually a lot of numbers | |
1011 | // printed out and it is usually easier to read them in some nice editor | |
1012 | // rather than zooming quickly past you on a screen. fprintf is used to | |
1013 | // do the printing. The fShapeIndex difference is not printed at this time. | |
023ae34b | 1014 | // Inputs: |
012f0f4c | 1015 | // FILE *fp A file pointer to an opened file for writing |
1016 | // in which the results of the comparison will | |
1017 | // be written. | |
023ae34b | 1018 | // AliITSgeom *other The other AliITSgeom class to which this one is |
1019 | // being compared. | |
1020 | // Outputs: | |
1021 | // none. | |
1022 | // Return: | |
1023 | // none. | |
85f1e34a | 1024 | Int_t i,j,idt[3],ido[3]; |
1025 | Double_t tt[3],to[3]; // translation | |
1026 | Double_t rt[3],ro[3]; // phi in radians | |
023ae34b | 1027 | Double_t mt[3][3],mo[3][3]; // matrices |
85f1e34a | 1028 | AliITSgeomMatrix *gt,*go; |
1029 | Bool_t t; | |
1030 | ||
1031 | for(i=0;i<this->fNmodules;i++){ | |
023ae34b | 1032 | gt = this->GetGeomMatrix(i); |
1033 | go = other->GetGeomMatrix(i); | |
1034 | gt->GetIndex(idt); | |
1035 | go->GetIndex(ido); | |
1036 | t = kFALSE; | |
1037 | for(i=0;i<3;i++) t = t&&idt[i]!=ido[i]; | |
1038 | if(t) fprintf(fp,"%4.4d %1.1d %2.2d %2.2d %1.1d %2.2d %2.2d\n",i, | |
1039 | idt[0],idt[1],idt[2],ido[0],ido[1],ido[2]); | |
1040 | gt->GetTranslation(tt); | |
1041 | go->GetTranslation(to); | |
1042 | gt->GetAngles(rt); | |
1043 | go->GetAngles(ro); | |
1044 | t = kFALSE; | |
1045 | for(i=0;i<3;i++) t = t&&tt[i]!=to[i]; | |
1046 | if(t) fprintf(fp,"%1.1d %2.2d %2.2d dTrans=%f %f %f drot=%f %f %f\n", | |
1047 | idt[0],idt[1],idt[2], | |
1048 | tt[0]-to[0],tt[1]-to[1],tt[2]-to[2], | |
1049 | rt[0]-ro[0],rt[1]-ro[1],rt[2]-ro[2]); | |
1050 | t = kFALSE; | |
1051 | gt->GetMatrix(mt); | |
1052 | go->GetMatrix(mo); | |
1053 | for(i=0;i<3;i++)for(j=0;j<3;j++) t = mt[i][j] != mo[i][j]; | |
1054 | if(t){ | |
1055 | fprintf(fp,"%1.1d %2.2d %2.2d dfr= %e %e %e\n", | |
1056 | idt[0],idt[1],idt[2], | |
1057 | mt[0][0]-mo[0][0],mt[0][1]-mo[0][1],mt[0][2]-mo[0][2]); | |
1058 | fprintf(fp," dfr= %e %e %e\n", | |
1059 | mt[1][0]-mo[1][0],mt[1][1]-mo[1][1],mt[1][2]-mo[1][2]); | |
1060 | fprintf(fp," dfr= %e %e %e\n", | |
1061 | mt[2][0]-mo[2][0],mt[2][1]-mo[2][1],mt[2][2]-mo[2][2]); | |
1062 | } // end if t | |
85f1e34a | 1063 | } // end for i |
1064 | return; | |
58005f18 | 1065 | } |
85f1e34a | 1066 | //______________________________________________________________________ |
5cf690c1 | 1067 | void AliITSgeom::PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det)const{ |
85f1e34a | 1068 | // This function prints out the coordinate transformations for |
1069 | // the particular detector defined by layer, ladder, and detector | |
1070 | // to the file pointed to by the File pointer fp. fprintf statements | |
1071 | // are used to print out the numbers. The format is | |
1072 | // layer ladder detector Trans= fx0 fy0 fz0 rot= frx fry frz | |
1073 | // Shape=fShapeIndex | |
1074 | // dfr= fr[0] fr[1] fr[2] | |
1075 | // dfr= fr[3] fr[4] fr[5] | |
1076 | // dfr= fr[6] fr[7] fr[8] | |
1077 | // By indicating which detector, some control over the information | |
1078 | // is given to the user. The output it written to the file pointed | |
1079 | // to by the file pointer fp. This can be set to stdout if you want. | |
023ae34b | 1080 | // Inputs: |
012f0f4c | 1081 | // FILE *fp A file pointer to an opened file for |
1082 | // writing in which the results of the | |
1083 | // comparison will be written. | |
023ae34b | 1084 | // Int_t lay The layer number. Starting from 1. |
1085 | // Int_t lad The ladder number. Starting from 1. | |
1086 | // Int_t det The detector number. Starting from 1. | |
1087 | // Outputs: | |
1088 | // none | |
1089 | // Return: | |
1090 | // none. | |
85f1e34a | 1091 | AliITSgeomMatrix *gt; |
1092 | Double_t t[3],r[3],m[3][3]; | |
1093 | ||
1094 | gt = this->GetGeomMatrix(GetModuleIndex(lay,lad,det)); | |
1095 | gt->GetTranslation(t); | |
1096 | gt->GetAngles(r); | |
1097 | fprintf(fp,"%1.1d %2.2d %2.2d Trans=%f %f %f rot=%f %f %f Shape=%d\n", | |
023ae34b | 1098 | lay,lad,det,t[0],t[1],t[2],r[0],r[1],r[2], |
1099 | gt->GetDetectorIndex()); | |
85f1e34a | 1100 | gt->GetMatrix(m); |
1101 | fprintf(fp," dfr= %e %e %e\n",m[0][0],m[0][1],m[0][2]); | |
1102 | fprintf(fp," dfr= %e %e %e\n",m[1][0],m[1][1],m[1][2]); | |
1103 | fprintf(fp," dfr= %e %e %e\n",m[2][0],m[2][1],m[2][2]); | |
1104 | return; | |
58005f18 | 1105 | } |
85f1e34a | 1106 | //______________________________________________________________________ |
012f0f4c | 1107 | void AliITSgeom::PrintGeom(ostream *wb)const{ |
85f1e34a | 1108 | // Stream out an object of class AliITSgeom to standard output. |
023ae34b | 1109 | // Intputs: |
012f0f4c | 1110 | // ofstream *wb The output streaming buffer. |
023ae34b | 1111 | // Outputs: |
1112 | // none. | |
1113 | // Return: | |
012f0f4c | 1114 | // none. |
023ae34b | 1115 | Int_t i,nshapes; |
593e9459 | 1116 | |
012f0f4c | 1117 | wb->setf(ios::scientific); |
1118 | *wb << fTrans << " "; | |
1119 | *wb << fNmodules << " "; | |
1120 | *wb << fNlayers << " "; | |
1121 | for(i=0;i<fNlayers;i++) *wb << fNlad[i] << " "; | |
1122 | for(i=0;i<fNlayers;i++) *wb << fNdet[i] << "\n"; | |
269f57ed | 1123 | for(i=0;i<fNmodules;i++) { |
012f0f4c | 1124 | *wb <<setprecision(16) << *(GetGeomMatrix(i)) << "\n"; |
269f57ed | 1125 | } // end for i |
023ae34b | 1126 | nshapes = fShape.GetEntries(); |
012f0f4c | 1127 | *wb << nshapes <<endl; |
023ae34b | 1128 | for(i=0;i<nshapes;i++) if(fShape.At(i)!=0) switch (i){ |
164da35c | 1129 | case kSPD: |
012f0f4c | 1130 | *wb << kSPD <<","<< (AliITSgeomSPD*)(fShape.At(kSPD)); |
023ae34b | 1131 | break; |
164da35c | 1132 | case kSDD: |
012f0f4c | 1133 | *wb << kSDD <<","<< (AliITSgeomSDD*)(fShape.At(kSDD)); |
023ae34b | 1134 | break; |
164da35c | 1135 | case kSSD: |
012f0f4c | 1136 | *wb << kSSD <<","<< (AliITSgeomSSD*)(fShape.At(kSSD)); |
023ae34b | 1137 | break; |
164da35c | 1138 | case kSSDp: |
012f0f4c | 1139 | *wb << kSSDp <<","<< (AliITSgeomSSD*)(fShape.At(kSSDp)); |
023ae34b | 1140 | break; |
164da35c | 1141 | case kSDDp: |
012f0f4c | 1142 | *wb << kSDDp <<","<< (AliITSgeomSDD*)(fShape.At(kSDDp)); |
023ae34b | 1143 | break; |
164da35c | 1144 | } // end for i / switch |
012f0f4c | 1145 | return; |
593e9459 | 1146 | } |
85f1e34a | 1147 | //______________________________________________________________________ |
012f0f4c | 1148 | void AliITSgeom::ReadGeom(istream *rb){ |
85f1e34a | 1149 | // Stream in an object of class AliITSgeom from standard input. |
023ae34b | 1150 | // Intputs: |
012f0f4c | 1151 | // ifstream *rb The input streaming buffer. |
023ae34b | 1152 | // Outputs: |
1153 | // none. | |
1154 | // Return: | |
012f0f4c | 1155 | // none. |
164da35c | 1156 | Int_t i,j; |
269f57ed | 1157 | |
023ae34b | 1158 | fGm.Clear(); |
85f1e34a | 1159 | |
012f0f4c | 1160 | *rb >> fTrans >> fNmodules >> fNlayers; |
023ae34b | 1161 | fNlad.Set(fNlayers); |
1162 | fNdet.Set(fNlayers); | |
012f0f4c | 1163 | for(i=0;i<fNlayers;i++) *rb >> fNlad[i]; |
1164 | for(i=0;i<fNlayers;i++) *rb >> fNdet[i]; | |
023ae34b | 1165 | fGm.Expand(fNmodules); |
1166 | fGm.SetOwner(kTRUE); | |
85f1e34a | 1167 | for(i=0;i<fNmodules;i++){ |
023ae34b | 1168 | if(i<0||i>=fGm.GetSize()){ |
a5a317a9 | 1169 | Error("ReadGeom","i<0||i>=fGm.GetSize()=%d , i=%d", |
1170 | fGm.GetSize(),i); | |
012f0f4c | 1171 | return; |
023ae34b | 1172 | } // end if |
1173 | fGm.AddAt(new AliITSgeomMatrix,i); | |
012f0f4c | 1174 | *rb >> *(GetGeomMatrix(i)); |
85f1e34a | 1175 | } // end for i |
012f0f4c | 1176 | *rb >> i; |
023ae34b | 1177 | fShape.Expand(i); |
1178 | fShape.SetOwner(kTRUE); | |
1179 | for(i=0;i<fShape.GetEntries();i++) { | |
012f0f4c | 1180 | *rb >> j; |
023ae34b | 1181 | switch (j){ |
1182 | case kSPD:{ | |
1183 | AliITSgeomSPD *s = new AliITSgeomSPD(); | |
012f0f4c | 1184 | *rb >> *s; |
023ae34b | 1185 | fShape.AddAt(s,kSPD);} |
1186 | break; | |
1187 | case kSDD:{ | |
1188 | AliITSgeomSDD *s = new AliITSgeomSDD(); | |
012f0f4c | 1189 | *rb >> *s; |
023ae34b | 1190 | fShape.AddAt(s,kSDD);} |
1191 | break; | |
1192 | case kSSD:{ | |
1193 | AliITSgeomSSD *s = new AliITSgeomSSD(); | |
012f0f4c | 1194 | *rb >> *s; |
023ae34b | 1195 | fShape.AddAt(s,kSSD);} |
1196 | break; | |
1197 | case kSSDp:{ | |
1198 | AliITSgeomSSD *s = new AliITSgeomSSD(); | |
012f0f4c | 1199 | *rb >> *s; |
023ae34b | 1200 | fShape.AddAt(s,kSSDp);} |
1201 | break; | |
1202 | case kSDDp:{ | |
1203 | AliITSgeomSDD *s = new AliITSgeomSDD(); | |
012f0f4c | 1204 | *rb >> *s; |
023ae34b | 1205 | fShape.AddAt(s,kSDDp);} |
1206 | break; | |
1207 | } // end switch | |
164da35c | 1208 | } // end for i |
012f0f4c | 1209 | return; |
593e9459 | 1210 | } |
593e9459 | 1211 | //______________________________________________________________________ |
269f57ed | 1212 | // The following routines modify the transformation of "this" |
1213 | // geometry transformations in a number of different ways. | |
593e9459 | 1214 | //______________________________________________________________________ |
269f57ed | 1215 | void AliITSgeom::GlobalChange(const Float_t *tran,const Float_t *rot){ |
85f1e34a | 1216 | // This function performs a Cartesian translation and rotation of |
1217 | // the full ITS from its default position by an amount determined by | |
1218 | // the three element arrays tran and rot. If every element | |
1219 | // of tran and rot are zero then there is no change made | |
1220 | // the geometry. The change is global in that the exact same translation | |
1221 | // and rotation is done to every detector element in the exact same way. | |
1222 | // The units of the translation are those of the Monte Carlo, usually cm, | |
1223 | // and those of the rotation are in radians. The elements of tran | |
1224 | // are tran[0] = x, tran[1] = y, and tran[2] = z. | |
1225 | // The elements of rot are rot[0] = rx, rot[1] = ry, and | |
1226 | // rot[2] = rz. A change in x will move the hole ITS in the ALICE | |
1227 | // global x direction, the same for a change in y. A change in z will | |
1228 | // result in a translation of the ITS as a hole up or down the beam line. | |
1229 | // A change in the angles will result in the inclination of the ITS with | |
1230 | // respect to the beam line, except for an effective rotation about the | |
1231 | // beam axis which will just rotate the ITS as a hole about the beam axis. | |
023ae34b | 1232 | // Intputs: |
012f0f4c | 1233 | // Float_t *tran A 3 element array representing the global |
1234 | // translations. the elements are x,y,z in cm. | |
023ae34b | 1235 | // Float_t *rot A 3 element array representing the global rotation |
1236 | // angles about the three axis x,y,z in radians | |
1237 | // Outputs: | |
1238 | // none. | |
1239 | // Return: | |
1240 | // none. | |
85f1e34a | 1241 | Int_t i,j; |
1242 | Double_t t[3],r[3]; | |
1243 | AliITSgeomMatrix *g; | |
1244 | ||
1245 | fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. | |
1246 | for(i=0;i<fNmodules;i++){ | |
023ae34b | 1247 | g = this->GetGeomMatrix(i); |
1248 | g->GetTranslation(t); | |
1249 | g->GetAngles(r); | |
1250 | for(j=0;j<3;j++){ | |
1251 | t[j] += tran[j]; | |
1252 | r[j] += rot[j]; | |
1253 | } // end for j | |
1254 | g->SetTranslation(t); | |
1255 | g->SetAngles(r); | |
85f1e34a | 1256 | } // end for i |
1257 | return; | |
593e9459 | 1258 | } |
85f1e34a | 1259 | //______________________________________________________________________ |
1260 | void AliITSgeom::GlobalCylindericalChange(const Float_t *tran, | |
1261 | const Float_t *rot){ | |
1262 | // This function performs a cylindrical translation and rotation of | |
1263 | // each ITS element by a fixed about in radius, rphi, and z from its | |
1264 | // default position by an amount determined by the three element arrays | |
1265 | // tran and rot. If every element of tran and | |
1266 | // rot are zero then there is no change made the geometry. The | |
1267 | // change is global in that the exact same distance change in translation | |
1268 | // and rotation is done to every detector element in the exact same way. | |
1269 | // The units of the translation are those of the Monte Carlo, usually cm, | |
1270 | // and those of the rotation are in radians. The elements of tran | |
1271 | // are tran[0] = r, tran[1] = rphi, and tran[2] = z. | |
1272 | // The elements of rot are rot[0] = rx, rot[1] = ry, and | |
1273 | // rot[2] = rz. A change in r will results in the increase of the | |
1274 | // radius of each layer by the same about. A change in rphi will results in | |
1275 | // the rotation of each layer by a different angle but by the same | |
1276 | // circumferential distance. A change in z will result in a translation | |
1277 | // of the ITS as a hole up or down the beam line. A change in the angles | |
1278 | // will result in the inclination of the ITS with respect to the beam | |
1279 | // line, except for an effective rotation about the beam axis which will | |
1280 | // just rotate the ITS as a hole about the beam axis. | |
023ae34b | 1281 | // Intputs: |
012f0f4c | 1282 | // Float_t *tran A 3 element array representing the global |
1283 | // translations. the elements are r,theta,z in | |
1284 | // cm/radians. | |
023ae34b | 1285 | // Float_t *rot A 3 element array representing the global rotation |
1286 | // angles about the three axis x,y,z in radians | |
1287 | // Outputs: | |
1288 | // none. | |
1289 | // Return: | |
1290 | // none. | |
85f1e34a | 1291 | Int_t i,j; |
1292 | Double_t t[3],ro[3],r,r0,phi,rphi; | |
1293 | AliITSgeomMatrix *g; | |
1294 | ||
1295 | fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. | |
1296 | for(i=0;i<fNmodules;i++){ | |
023ae34b | 1297 | g = this->GetGeomMatrix(i); |
1298 | g->GetTranslation(t); | |
1299 | g->GetAngles(ro); | |
1300 | r = r0= TMath::Hypot(t[1],t[0]); | |
1301 | phi = TMath::ATan2(t[1],t[0]); | |
1302 | rphi = r0*phi; | |
1303 | r += tran[0]; | |
1304 | rphi += tran[1]; | |
1305 | phi = rphi/r0; | |
1306 | t[0] = r*TMath::Cos(phi); | |
1307 | t[1] = r*TMath::Sin(phi); | |
1308 | t[2] += tran[2]; | |
1309 | for(j=0;j<3;j++){ | |
1310 | ro[j] += rot[j]; | |
1311 | } // end for j | |
1312 | g->SetTranslation(t); | |
1313 | g->SetAngles(ro); | |
85f1e34a | 1314 | } // end for i |
1315 | return; | |
593e9459 | 1316 | } |
85f1e34a | 1317 | //______________________________________________________________________ |
269f57ed | 1318 | void AliITSgeom::RandomChange(const Float_t *stran,const Float_t *srot){ |
85f1e34a | 1319 | // This function performs a Gaussian random displacement and/or |
1320 | // rotation about the present global position of each active | |
1321 | // volume/detector of the ITS. The sigma of the random displacement | |
1322 | // is determined by the three element array stran, for the | |
1323 | // x y and z translations, and the three element array srot, | |
1324 | // for the three rotation about the axis x y and z. | |
023ae34b | 1325 | // Intputs: |
012f0f4c | 1326 | // Float_t *stran A 3 element array representing the global |
1327 | // translations variances. The elements are x, | |
1328 | // y,z in cm. | |
023ae34b | 1329 | // Float_t *srot A 3 element array representing the global rotation |
012f0f4c | 1330 | // angles variances about the three axis x,y,z in |
1331 | // radians. | |
023ae34b | 1332 | // Outputs: |
1333 | // none. | |
1334 | // Return: | |
1335 | // none. | |
85f1e34a | 1336 | Int_t i,j; |
1337 | Double_t t[3],r[3]; | |
1338 | AliITSgeomMatrix *g; | |
1339 | ||
1340 | fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. | |
1341 | for(i=0;i<fNmodules;i++){ | |
023ae34b | 1342 | g = this->GetGeomMatrix(i); |
1343 | g->GetTranslation(t); | |
1344 | g->GetAngles(r); | |
1345 | for(j=0;j<3;j++){ | |
1346 | t[j] += gRandom->Gaus(0.0,stran[j]); | |
1347 | r[j] += gRandom->Gaus(0.0, srot[j]); | |
1348 | } // end for j | |
1349 | g->SetTranslation(t); | |
1350 | g->SetAngles(r); | |
85f1e34a | 1351 | } // end for i |
1352 | return; | |
593e9459 | 1353 | } |
85f1e34a | 1354 | //______________________________________________________________________ |
269f57ed | 1355 | void AliITSgeom::RandomCylindericalChange(const Float_t *stran, |
1356 | const Float_t *srot){ | |
85f1e34a | 1357 | // This function performs a Gaussian random displacement and/or |
1358 | // rotation about the present global position of each active | |
1359 | // volume/detector of the ITS. The sigma of the random displacement | |
1360 | // is determined by the three element array stran, for the | |
1361 | // r rphi and z translations, and the three element array srot, | |
1362 | // for the three rotation about the axis x y and z. This random change | |
1363 | // in detector position allow for the simulation of a random uncertainty | |
1364 | // in the detector positions of the ITS. | |
023ae34b | 1365 | // Intputs: |
012f0f4c | 1366 | // Float_t *stran A 3 element array representing the global |
1367 | // translations variances. The elements are r, | |
1368 | // theta,z in cm/radians. | |
023ae34b | 1369 | // Float_t *srot A 3 element array representing the global rotation |
012f0f4c | 1370 | // angles variances about the three axis x,y,z in |
1371 | // radians. | |
023ae34b | 1372 | // Outputs: |
1373 | // none. | |
1374 | // Return: | |
1375 | // none. | |
85f1e34a | 1376 | Int_t i,j; |
1377 | Double_t t[3],ro[3],r,r0,phi,rphi; | |
1378 | TRandom ran; | |
1379 | AliITSgeomMatrix *g; | |
1380 | ||
1381 | fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. | |
1382 | for(i=0;i<fNmodules;i++){ | |
023ae34b | 1383 | g = this->GetGeomMatrix(i); |
1384 | g->GetTranslation(t); | |
1385 | g->GetAngles(ro); | |
1386 | r = r0= TMath::Hypot(t[1],t[0]); | |
1387 | phi = TMath::ATan2(t[1],t[0]); | |
1388 | rphi = r0*phi; | |
1389 | r += ran.Gaus(0.0,stran[0]); | |
1390 | rphi += ran.Gaus(0.0,stran[1]); | |
1391 | phi = rphi/r0; | |
1392 | t[0] = r*TMath::Cos(phi); | |
1393 | t[1] = r*TMath::Sin(phi); | |
1394 | t[2] += ran.Gaus(0.0,stran[2]); | |
1395 | for(j=0;j<3;j++){ | |
1396 | ro[j] += ran.Gaus(0.0, srot[j]); | |
1397 | } // end for j | |
1398 | g->SetTranslation(t); | |
1399 | g->SetAngles(ro); | |
85f1e34a | 1400 | } // end for i |
1401 | return; | |
593e9459 | 1402 | } |
1403 | //______________________________________________________________________ | |
5cf690c1 | 1404 | void AliITSgeom::GeantToTracking(const AliITSgeom &source){ |
85f1e34a | 1405 | // Copy the geometry data but change it to go between the ALICE |
1406 | // Global coordinate system to that used by the ITS tracking. A slightly | |
1407 | // different coordinate system is used when tracking. This coordinate | |
1408 | // system is only relevant when the geometry represents the cylindrical | |
1409 | // ALICE ITS geometry. For tracking the Z axis is left alone but X-> -Y | |
1410 | // and Y-> X such that X always points out of the ITS cylinder for every | |
1411 | // layer including layer 1 (where the detectors are mounted upside down). | |
85f1e34a | 1412 | //Begin_Html |
1413 | /* | |
1414 | <img src="picts/ITS/AliITSgeomMatrix_T1.gif"> | |
1415 | */ | |
1416 | //End_Html | |
023ae34b | 1417 | // Input: |
1418 | // AliITSgeom &source The AliITSgeom class with which to make this | |
1419 | // a copy of. | |
1420 | // Output: | |
1421 | // none. | |
1422 | // Return: | |
1423 | // none. | |
85f1e34a | 1424 | Int_t i,j,k,l,id[3]; |
1425 | Double_t r0[3][3],r1[3][3]; | |
1426 | Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; | |
1427 | Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; | |
1428 | ||
1429 | *this = source; // copy everything | |
1430 | for(i=0;i<GetIndexMax();i++){ | |
023ae34b | 1431 | GetGeomMatrix(i)->GetIndex(id); |
1432 | GetGeomMatrix(i)->GetMatrix(r0); | |
1433 | if(id[0]==1){ // Layer 1 is treated different from the others. | |
1434 | for(j=0;j<3;j++) for(k=0;k<3;k++){ | |
1435 | r1[j][k] = 0.; | |
1436 | for(l=0;l<3;l++) r1[j][k] += a0[j][l]*r0[l][k]; | |
1437 | } // end for j,k | |
1438 | }else{ | |
1439 | for(j=0;j<3;j++) for(k=0;k<3;k++){ | |
1440 | r1[j][k] = 0.; | |
1441 | for(l=0;l<3;l++) r1[j][k] += a1[j][l]*r0[l][k]; | |
1442 | } // end for j,k | |
1443 | } // end if | |
1444 | GetGeomMatrix(i)->SetMatrix(r1); | |
85f1e34a | 1445 | } // end for i |
1446 | this->fTrans = (this->fTrans && 0xfffe) + 1; // set bit 0 true. | |
1447 | return; | |
58005f18 | 1448 | } |
269f57ed | 1449 | //______________________________________________________________________ |
5cf690c1 | 1450 | Int_t AliITSgeom::GetNearest(const Double_t g[3],Int_t lay)const{ |
85f1e34a | 1451 | // Finds the Detector (Module) that is nearest the point g [cm] in |
1452 | // ALICE Global coordinates. If layer !=0 then the search is restricted | |
1453 | // to Detectors (Modules) in that particular layer. | |
023ae34b | 1454 | // Inputs: |
1455 | // Double_t g[3] The ALICE Cartesian global coordinate from which the | |
1456 | // distance is to be calculated with. | |
1457 | // Int_t lay The layer to restrict the search to. If layer=0 then | |
1458 | // all layers are searched. Default is lay=0. | |
1459 | // Output: | |
1460 | // none. | |
1461 | // Return: | |
1462 | // The module number representing the nearest module. | |
85f1e34a | 1463 | Int_t i,l,a,e,in=0; |
1464 | Double_t d,dn=1.0e10; | |
1465 | Bool_t t=lay!=0; // skip if lay = 0 default value check all layers. | |
085bb6ed | 1466 | |
85f1e34a | 1467 | for(i=0;i<fNmodules;i++){ |
023ae34b | 1468 | if(t){GetModuleId(i,l,a,e);if(l!=lay) continue;} |
1469 | if((d=GetGeomMatrix(i)->Distance2(g))<dn){ | |
1470 | dn = d; | |
1471 | in = i; | |
1472 | } // end if | |
85f1e34a | 1473 | } // end for i |
1474 | return in; | |
085bb6ed | 1475 | } |
269f57ed | 1476 | //______________________________________________________________________ |
5cf690c1 | 1477 | void AliITSgeom::GetNearest27(const Double_t g[3],Int_t n[27],Int_t lay)const{ |
85f1e34a | 1478 | // Finds 27 Detectors (Modules) that are nearest the point g [cm] in |
1479 | // ALICE Global coordinates. If layer !=0 then the search is restricted | |
1480 | // to Detectors (Modules) in that particular layer. The number 27 comes | |
1481 | // from including the nearest detector and all those around it (up, down, | |
1482 | // left, right, forwards, backwards, and the corners). | |
023ae34b | 1483 | // Input: |
1484 | // Double_t g[3] The ALICE Cartesian global coordinate from which the | |
1485 | // distance is to be calculated with. | |
1486 | // Int_t lay The layer to restrict the search to. If layer=0 then | |
1487 | // all layers are searched. Default is lay=0. | |
1488 | // Output: | |
1489 | // Int_t n[27] The module number representing the nearest 27 modules | |
1490 | // in order. | |
1491 | // Return: | |
1492 | // none. | |
85f1e34a | 1493 | Int_t i,l,a,e,in[27]={0,0,0,0,0,0,0,0,0, |
023ae34b | 1494 | 0,0,0,0,0,0,0,0,0, |
1495 | 0,0,0,0,0,0,0,0,0,}; | |
85f1e34a | 1496 | Double_t d,dn[27]={1.0e10,1.0e10,1.0e10,1.0e10,1.0e10,1.0e10, |
023ae34b | 1497 | 1.0e10,1.0e10,1.0e10,1.0e10,1.0e10,1.0e10, |
1498 | 1.0e10,1.0e10,1.0e10,1.0e10,1.0e10,1.0e10, | |
1499 | 1.0e10,1.0e10,1.0e10,1.0e10,1.0e10,1.0e10, | |
1500 | 1.0e10,1.0e10,1.0e10}; | |
85f1e34a | 1501 | Bool_t t=(lay!=0); // skip if lay = 0 default value check all layers. |
269f57ed | 1502 | |
85f1e34a | 1503 | for(i=0;i<fNmodules;i++){ |
023ae34b | 1504 | if(t){GetModuleId(i,l,a,e);if(l!=lay) continue;} |
1505 | for(a=0;a<27;a++){ | |
1506 | d = GetGeomMatrix(i)->Distance2(g); | |
1507 | if(d<dn[a]){ | |
1508 | for(e=26;e>a;e--){dn[e] = dn[e-1];in[e] = in[e-1];} | |
1509 | dn[a] = d; in[a] = i; | |
1510 | } // end if d<dn[i] | |
1511 | } // end for a | |
85f1e34a | 1512 | } // end for i |
1513 | for(i=0;i<27;i++) n[i] = in[i]; | |
269f57ed | 1514 | } |
023ae34b | 1515 | //---------------------------------------------------------------------- |
5cf690c1 | 1516 | Double_t AliITSgeom::GetAverageRadiusOfLayer(Int_t layer,Double_t &range)const{ |
023ae34b | 1517 | // Loops over all modules for a given layer and computes the |
1518 | // average cylindrical radius (about the z axis) and the range of | |
1519 | // radii covered by this layer. Units, [cm] the Alice default unit. | |
1520 | // Input: | |
1521 | // Int_t layer The layer for which the average radii is to be found | |
1522 | // Output: | |
1523 | // Double_t &range The range of radii covered by this layer | |
1524 | // Return: | |
1525 | // The average radii for this layer. | |
1526 | Double_t r=0.0,rmin=1.0e6,rmax=-1.0,rp,t[3],l[3],dl[3]; | |
1527 | Int_t n=0,i,j,lay,lad,det; | |
5cf690c1 | 1528 | AliITSDetector idet; |
023ae34b | 1529 | |
1530 | for(i=0;i<GetIndexMax();i++) { | |
1531 | GetModuleId(i,lay,lad,det); | |
5cf690c1 | 1532 | idet = GetModuleType(i); |
023ae34b | 1533 | if(lay!=layer) continue; |
1534 | dl[0] = dl[1] = dl[2] = 0.0; | |
5cf690c1 | 1535 | if(IsShapeDefined((Int_t)idet)) { |
1536 | switch(idet){ | |
1537 | case kSPD:{ | |
1538 | dl[0] = ((AliITSgeomSPD*)GetShape(idet))->GetDx(); | |
1539 | dl[1] = ((AliITSgeomSPD*)GetShape(idet))->GetDy(); | |
1540 | dl[2] = ((AliITSgeomSPD*)GetShape(idet))->GetDz(); | |
023ae34b | 1541 | } break; |
5cf690c1 | 1542 | case kSDD: case kSDDp:{ |
1543 | dl[0] = ((AliITSgeomSDD*)GetShape(idet))->GetDx(); | |
1544 | dl[1] = ((AliITSgeomSDD*)GetShape(idet))->GetDy(); | |
1545 | dl[2] = ((AliITSgeomSDD*)GetShape(idet))->GetDz(); | |
023ae34b | 1546 | } break; |
5cf690c1 | 1547 | case kSSD: case kSSDp:{ |
1548 | dl[0] = ((AliITSgeomSSD*)GetShape(idet))->GetDx(); | |
1549 | dl[1] = ((AliITSgeomSSD*)GetShape(idet))->GetDy(); | |
1550 | dl[2] = ((AliITSgeomSSD*)GetShape(idet))->GetDz(); | |
023ae34b | 1551 | } break; |
22e9f252 | 1552 | case kND:{ |
1553 | Warning("GetAverageRadiusOfLayer", | |
1554 | "idet=kND undefined detector type"); | |
1555 | continue; | |
1556 | }break; | |
1557 | default:{ | |
1558 | Warning("GetAverageRadiusOfLayer", | |
1559 | "idet=%d not a defined value",(Int_t)idet); | |
1560 | continue; | |
1561 | }break; | |
023ae34b | 1562 | }// end switch. |
1563 | } // end of | |
1564 | n++; | |
1565 | GetTransCyln(i,t); | |
1566 | rp = t[0]; | |
1567 | r += rp; | |
1568 | if(rmin>rp) rmin = rp; | |
1569 | if(rmax<rp) rmax = rp; | |
1570 | for(j=0;j<8;j++){ // loop over the corners | |
1571 | l[0] = dl[0];if(j%2==0) l[0] = -dl[0]; | |
1572 | l[1] = dl[1];if(j==2||j==3||j==6||j==7) l[1] = -dl[1]; | |
1573 | l[2] = dl[2];if(j>3) l[2] = -dl[2]; | |
1574 | LtoG(i,l,t); | |
1575 | rp = TMath::Sqrt(t[0]*t[0]+t[1]*t[1]); | |
1576 | if(rmin>rp) rmin = rp; | |
1577 | if(rmax<rp) rmax = rp; | |
1578 | } // end for j | |
1579 | } // end for i | |
1580 | r /= (Double_t)n; | |
1581 | range = TMath::Max(rmax-r,r-rmin); | |
1582 | return r; | |
1583 | } | |
00a7cc50 | 1584 | //_______________________________________________________________________ |
012f0f4c | 1585 | void AliITSgeom::DetLToTrackingV2(Int_t md,Float_t xin,Float_t zin, |
1586 | Float_t &yout,Float_t &zout) { | |
00a7cc50 | 1587 | |
012f0f4c | 1588 | //Conversion from local coordinates on detectors to local |
1589 | //coordinates used for tracking ("v2") | |
1590 | // Inputs: | |
1591 | // Int_t md Module number | |
1592 | // Float_t xin Standard local coordinate x | |
1593 | // Float_t zin Standard local coordinate z | |
1594 | // Output: | |
1595 | // Float_t yout Tracking local coordinate y | |
1596 | // Float_t zout Tracking local coordinate z | |
1597 | // Return: | |
1598 | // none. | |
1599 | Float_t x,y,z; | |
1600 | Double_t rt[9],al; | |
00a7cc50 | 1601 | |
012f0f4c | 1602 | GetTrans(md,x,y,z); |
1603 | GetRotMatrix(md,rt); | |
1604 | al = TMath::ATan2(rt[1],rt[0])+TMath::Pi(); | |
1605 | yout = -(-xin+(x*((Float_t)TMath::Cos(al))+y*((Float_t)TMath::Sin(al)))); | |
1606 | if(md<(GetModuleIndex(2,1,1))) yout *= -1; | |
1607 | zout = -zin+z; | |
1608 | } | |
00a7cc50 | 1609 | //_______________________________________________________________________ |
012f0f4c | 1610 | void AliITSgeom::TrackingV2ToDetL(Int_t md,Float_t yin,Float_t zin, |
1611 | Float_t &xout,Float_t &zout) { | |
1612 | //Conversion from local coordinates used for tracking ("v2") to | |
1613 | //local detector coordinates | |
1614 | // Inputs: | |
1615 | // Int_t md Module number | |
1616 | // Float_t yin Tracking local coordinate y | |
1617 | // Float_t zin Tracking local coordinate z | |
1618 | // Output: | |
1619 | // Float_t xout Standard local coordinate x | |
1620 | // Float_t zout Standard local coordinate z | |
1621 | // Return: | |
1622 | // none. | |
1623 | Float_t x,y,z; | |
1624 | Double_t rt[9],al; | |
1625 | ||
1626 | GetTrans(md,x,y,z); | |
1627 | GetRotMatrix(md,rt); | |
1628 | al = TMath::ATan2(rt[1],rt[0])+TMath::Pi(); | |
1629 | xout = yin; | |
1630 | if(md<(GetModuleIndex(2,1,1))) xout = -xout; | |
1631 | xout += (x*((Float_t)TMath::Cos(al))+y*((Float_t)TMath::Sin(al))); | |
1632 | zout = -zin+z; | |
00a7cc50 | 1633 | } |
012f0f4c | 1634 | //---------------------------------------------------------------------- |
1635 | ostream &operator<<(ostream &os,AliITSgeom &p){ | |
1636 | // Standard output streaming function. | |
1637 | // Inputs: | |
1638 | // ostream os The output stream | |
1639 | // AliITSgeom p The AliITSgeom class to be printed out | |
1640 | // Outputs: | |
1641 | // none. | |
1642 | // Return: | |
1643 | // The input stream | |
1644 | ||
1645 | p.PrintGeom(&os); | |
1646 | return os; | |
1647 | } | |
1648 | //---------------------------------------------------------------------- | |
1649 | istream &operator>>(istream &is,AliITSgeom &r){ | |
1650 | // Standard input streaming function. | |
1651 | // Inputs: | |
1652 | // istream is The input stream | |
1653 | // AliITSgeom p The AliITSgeom class to be filled from this | |
1654 | // input stream | |
1655 | // Outputs: | |
1656 | // none. | |
1657 | // Return: | |
1658 | // The input stream | |
1659 | ||
1660 | r.ReadGeom(&is); | |
1661 | return is; | |
1662 | } | |
1663 | //---------------------------------------------------------------------- | |
1664 |