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db486a6e | 1 | /************************************************************************** |
59da35b6 | 2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
db486a6e | 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 | **************************************************************************/ | |
592651e2 | 15 | // |
db486a6e | 16 | // This class Defines the Geometry for the ITS services and support cones |
17 | // outside of the ceneteral volume (except for the Ceneteral support | |
18 | // cylinders. Other classes define the rest of the ITS. Specificaly the ITS | |
bc3498f4 | 19 | // The SSD support cone, SSD Support central cylinder, SDD support cone, |
20 | // The SDD cupport central cylinder, the SPD Thermal Sheald, The supports | |
db486a6e | 21 | // and cable trays on both the RB26 (muon dump) and RB24 sides, and all of |
592651e2 | 22 | // the cabling from the ladders/stave ends out past the TPC. |
23 | // | |
db486a6e | 24 | |
543b7370 | 25 | /* $Id$ */ |
592651e2 | 26 | |
db486a6e | 27 | // General Root includes |
28 | #include <Riostream.h> | |
29 | #include <TMath.h> | |
30 | #include <TLatex.h> | |
31 | #include <TCanvas.h> | |
32 | #include <TPolyLine.h> | |
297369a1 | 33 | #include <TPolyMarker.h> |
bc3498f4 | 34 | |
db486a6e | 35 | // Root Geometry includes |
db486a6e | 36 | #include <TGeoVolume.h> |
bc3498f4 | 37 | #include <TGeoPcon.h> |
38 | #include <TGeoCone.h> | |
592651e2 | 39 | #include <TGeoTube.h> // contains TGeoTubeSeg |
db486a6e | 40 | #include <TGeoArb8.h> |
41 | #include <TGeoEltu.h> | |
42 | #include <TGeoXtru.h> | |
db486a6e | 43 | #include <TGeoMatrix.h> |
a53658c6 | 44 | #include <TGeoMaterial.h> |
45 | #include <TGeoMedium.h> | |
592651e2 | 46 | #include <TGeoCompositeShape.h> |
bc3498f4 | 47 | |
592651e2 | 48 | // AliRoot includes |
bc3498f4 | 49 | #include "AliLog.h" |
a53658c6 | 50 | #include "AliMagF.h" |
51 | #include "AliRun.h" | |
bc3498f4 | 52 | |
592651e2 | 53 | // Declaration file |
db486a6e | 54 | #include "AliITSv11GeometrySPD.h" |
55 | ||
56 | ClassImp(AliITSv11GeometrySPD) | |
57 | ||
bc3498f4 | 58 | //#define SQ(A) (A)*(A) |
db486a6e | 59 | |
bc3498f4 | 60 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(Double_t gap) : |
61 | AliITSv11Geometry(), fAlignmentGap(gap), | |
62 | fSPDsectorX0(0), fSPDsectorY0(0), fSPDsectorX1(0), fSPDsectorY1(0) | |
63 | { | |
64 | // | |
65 | // Default constructor. | |
66 | // This does not initialize anything and is provided just for completeness. | |
67 | // It is recommended to use the other one. | |
68 | // The alignment gap is specified as argument (default = 0.0075 cm). | |
69 | // | |
70 | ||
71 | Int_t i = 0; | |
72 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; | |
73 | } | |
74 | // | |
75 | //__________________________________________________________________________________________ | |
76 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(Int_t debug, Double_t gap): | |
77 | AliITSv11Geometry(debug), fAlignmentGap(gap), | |
78 | fSPDsectorX0(0), fSPDsectorY0(0), fSPDsectorX1(0), fSPDsectorY1(0) | |
79 | { | |
80 | // | |
81 | // Constructor with debug setting argument | |
82 | // This is the constructor which is recommended to be used. | |
83 | // It sets a debug level, and initializes the name of the object. | |
84 | // The alignment gap is specified as argument (default = 0.0075 cm). | |
85 | // | |
86 | ||
87 | Int_t i = 0; | |
88 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; | |
89 | } | |
90 | // | |
91 | //__________________________________________________________________________________________ | |
92 | TGeoMedium* AliITSv11GeometrySPD::GetMedium(const char* mediumName, TGeoManager *mgr) const | |
93 | { | |
94 | // | |
95 | // This function is used to recovery any medium | |
96 | // used to build the geometry volumes. | |
97 | // If the required medium does not exists, | |
98 | // a NULL pointer is returned, and an error message is written. | |
99 | // | |
100 | ||
101 | Char_t itsMediumName[30]; | |
102 | sprintf(itsMediumName, "ITS_%s", mediumName); | |
103 | TGeoMedium* medium = mgr->GetMedium(itsMediumName); | |
104 | if (!medium) AliError(Form("Medium <%s> not found", mediumName)); | |
105 | ||
106 | return medium; | |
107 | } | |
108 | // | |
109 | //__________________________________________________________________________________________ | |
59da35b6 | 110 | Int_t AliITSv11GeometrySPD::CreateSPDCentralMaterials(Int_t &medOffset, Int_t &matOffset) const |
592651e2 | 111 | { |
bc3498f4 | 112 | // |
113 | // Define the specific materials used for the ITS SPD central detectors. | |
114 | // --- | |
115 | // NOTE: These are the same old names. | |
116 | // By the ALICE naming conventions, they start with "ITS SPD ...." | |
117 | // Data taken from ** AliITSvPPRasymmFMD::CreateMaterials() **. | |
118 | // --- | |
119 | // Arguments [the ones passed by reference contain output values]: | |
120 | // - medOffset --> (by ref) starting number of the list of media | |
121 | // - matOffset --> (by ref) starting number of the list of Materials | |
122 | // --- | |
123 | // Return value: | |
124 | // - the last material index used + 1 (= next avaiable material index) | |
125 | // --- | |
126 | // Begin_Html | |
127 | /* | |
128 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
129 | title="SPD Sector drawing with all cross sections defined"> | |
130 | <p>The SPD Sector definition. In | |
131 | <a href="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.hpgl">HPGL</a> format. | |
132 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly-10-modules.ps" | |
133 | titile="SPD All Sectors end view with thermal sheald"> | |
134 | <p>The SPD all sector end view with thermal sheald. | |
135 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
136 | title="SPD side view cross section"> | |
137 | <p>SPD side view cross section with condes and thermal shealds. | |
138 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-A_A.jpg" | |
139 | title="Cross section A-A"><p>Cross section A-A. | |
140 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-B_B.jpg" | |
141 | title="Cross section B-B"><p>Cross section B-B. | |
142 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-C_C.jpg" | |
143 | title-"Cross section C-C"><p>Cross section C-C. | |
144 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-D_D.jpg" | |
145 | title="Cross section D-D"><p>Cross section D-D. | |
146 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-E_E.jpg" | |
147 | title="Cross section E-E"><p>Cross section E-E. | |
148 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-F_F.jpg" | |
149 | title="Cross section F-F"><p>Cross section F-F. | |
150 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-G_G.jpg" | |
151 | title="Cross section G-G"><p>Cross section G-G. | |
152 | */ | |
153 | // End_Html | |
154 | // | |
155 | const Double_t ktmaxfd = 0.1 * fgkDegree; // Degree | |
156 | const Double_t kstemax = 1.0 * fgkcm; // cm | |
157 | const Double_t kdeemax = 0.1;//Fraction of particle's energy 0<deemax<=1 | |
158 | const Double_t kepsil = 1.0E-4; // | |
159 | const Double_t kstmin = 0.0 * fgkcm; // cm "Default value used" | |
160 | const Double_t ktmaxfdAir = 0.1 * fgkDegree; // Degree | |
161 | const Double_t kstemaxAir = 1.0000E+00 * fgkcm; // cm | |
162 | const Double_t kdeemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1 | |
163 | const Double_t kepsilAir = 1.0E-4;// | |
164 | const Double_t kstminAir = 0.0 * fgkcm; // cm "Default value used" | |
165 | const Double_t ktmaxfdSi = 0.1 * fgkDegree; // .10000E+01; // Degree | |
166 | const Double_t kstemaxSi = 0.0075 * fgkcm; // .10000E+01; // cm | |
167 | const Double_t kdeemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1 | |
168 | const Double_t kepsilSi = 1.0E-4;// | |
169 | const Double_t kstminSi = 0.0 * fgkcm; // cm "Default value used" | |
170 | ||
171 | Int_t matindex = matOffset; | |
172 | Int_t medindex = medOffset; | |
173 | TGeoMaterial *mat; | |
174 | TGeoMixture *mix; | |
175 | TGeoMedium *med; | |
176 | ||
177 | Int_t ifield = (gAlice->Field()->Integ()); | |
178 | Double_t fieldm = (gAlice->Field()->Max()); | |
179 | Double_t params[8] = {8 * 0.0}; | |
180 | params[1] = (Double_t) ifield; | |
181 | params[2] = fieldm; | |
182 | params[3] = ktmaxfdSi; | |
183 | params[4] = kstemaxSi; | |
184 | params[5] = kdeemaxSi; | |
185 | params[6] = kepsilSi; | |
186 | params[7] = kstminSi; | |
187 | ||
188 | // | |
189 | // Definition of materials and mediums. | |
190 | // Last argument in material definition is its pressure, | |
191 | // which is initialized to ZERO. | |
192 | // For better readability, it is simply set to zero. | |
193 | // Then the writing "0.0 * fgkPascal" is replaced by "0." | |
194 | // (Alberto) | |
195 | // | |
196 | ||
197 | // silicon definition for ITS (overall) | |
198 | mat = new TGeoMaterial("ITS_SI", 28.086, 14.0, 2.33 * fgkgcm3, | |
199 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
200 | mat->SetIndex(matindex); | |
201 | med = new TGeoMedium("SI", medindex++, mat, params); | |
202 | ||
203 | // silicon for ladder chips | |
204 | mat = new TGeoMaterial("SPD SI CHIP", 28.086, 14.0, 2.33 * fgkgcm3, | |
205 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
206 | mat->SetIndex(matindex); | |
207 | med = new TGeoMedium("SPD SI CHIP", medindex++, mat, params); | |
208 | ||
209 | // silicon for pixel bus | |
210 | mat = new TGeoMaterial("SPD SI BUS", 28.086, 14.0, 2.33 * fgkgcm3, | |
211 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
212 | mat->SetIndex(matindex); | |
213 | med = new TGeoMedium("SPD SI BUS", medindex++, mat, params); | |
214 | ||
215 | // carbon fiber material is defined as a mix of C-O-N-H | |
216 | // defined in terms of fractional weights according to 'C (M55J)' | |
217 | // it is used for the support and clips | |
218 | mix = new TGeoMixture("C (M55J)", 4, 1.9866 * fgkgcm3); | |
219 | mix->SetIndex(matindex); | |
220 | mix->DefineElement(0, 12.01070, 6.0, 0.908508078); // C by fractional weight | |
221 | mix->DefineElement(1, 14.00670, 7.0, 0.010387573); // N by fractional weight | |
222 | mix->DefineElement(2, 15.99940, 8.0, 0.055957585); // O by fractional weight | |
223 | mix->DefineElement(3, 1.00794, 1.0, 0.025146765); // H by fractional weight | |
224 | mix->SetPressure(0.0 * fgkPascal); | |
225 | mix->SetTemperature(25.0 * fgkCelsius); | |
226 | mix->SetState(TGeoMaterial::kMatStateSolid); | |
227 | params[3] = ktmaxfd; | |
228 | params[4] = kstemax; | |
229 | params[5] = kdeemax; | |
230 | params[6] = kepsil; | |
231 | params[7] = kstmin; | |
232 | med = new TGeoMedium("ITSspdCarbonFiber", medindex++, mix, params); | |
233 | ||
234 | // air defined as a mixture of C-N-O-Ar: | |
235 | // it is used to fill all containers | |
236 | mix = new TGeoMixture("Air", 4, 1.20479E-3 * fgkgcm3); | |
237 | mix->SetIndex(matindex); | |
238 | mix->DefineElement(0, 12.0107, 6.0, 0.000124); // C by fractional weight | |
239 | mix->DefineElement(1, 14.0067, 7.0, 0.755267); // N by fractional weight | |
240 | mix->DefineElement(2, 15.9994, 8.0, 0.231781); // O by fractional weight | |
241 | mix->DefineElement(3, 39.9480, 18.0, 0.012827); // Ar by fractional weight | |
242 | mix->SetPressure(101325.0 * fgkPascal); // = 1 atmosphere | |
243 | mix->SetTemperature(25.0 * fgkCelsius); | |
244 | mix->SetState(TGeoMaterial::kMatStateGas); | |
245 | params[3] = ktmaxfdAir; | |
246 | params[4] = kstemaxAir; | |
247 | params[5] = kdeemaxAir; | |
248 | params[6] = kepsilAir; | |
249 | params[7] = kstminAir; | |
250 | med = new TGeoMedium("ITSspdAir", medindex++, mix, params); | |
251 | ||
252 | // inox stainless steel, defined as a mixture | |
253 | // used for all metallic parts | |
254 | mix = new TGeoMixture("INOX", 9, 8.03 * fgkgcm3); | |
255 | mix->SetIndex(matindex); | |
256 | mix->DefineElement(0, 12.0107, 6., .0003); // C by fractional weight | |
257 | mix->DefineElement(1, 54.9380, 25., .02); // Fe by fractional weight | |
258 | mix->DefineElement(2, 28.0855, 14., .01); // Na by fractional weight | |
259 | mix->DefineElement(3, 30.9738, 15., .00045); // P by fractional weight | |
260 | mix->DefineElement(4, 32.066 , 16., .0003); // S by fractional weight | |
261 | mix->DefineElement(5, 58.6928, 28., .12); // Ni by fractional weight | |
262 | mix->DefineElement(6, 55.9961, 24., .17); // by fractional weight | |
263 | mix->DefineElement(7, 95.84 , 42., .025); // by fractional weight | |
264 | mix->DefineElement(8, 55.845 , 26., .654); // by fractional weight | |
265 | mix->SetPressure(0.0 * fgkPascal); | |
266 | mix->SetTemperature(25.0 * fgkCelsius); | |
267 | mix->SetState(TGeoMaterial::kMatStateSolid); | |
268 | params[3] = ktmaxfdAir; | |
269 | params[4] = kstemaxAir; | |
270 | params[5] = kdeemaxAir; | |
271 | params[6] = kepsilAir; | |
272 | params[7] = kstminAir; | |
273 | med = new TGeoMedium("ITSspdStainlessSteel", medindex++, mix, params); | |
274 | ||
275 | // freon gas which fills the cooling system (C+F) | |
276 | mix = new TGeoMixture("Freon", 2, 1.63 * fgkgcm3); | |
277 | mix->SetIndex(matindex); | |
278 | mix->DefineElement(0, 12.0107 , 6.0, 4); // C by fractional weight | |
279 | mix->DefineElement(1, 18.9984032, 9.0, 10); // F by fractional weight | |
280 | mix->SetPressure(101325.0 * fgkPascal); // = 1 atmosphere | |
281 | mix->SetTemperature(25.0 * fgkCelsius); | |
282 | mix->SetState(TGeoMaterial::kMatStateLiquid); | |
283 | params[3] = ktmaxfdAir; | |
284 | params[4] = kstemaxAir; | |
285 | params[5] = kdeemaxAir; | |
286 | params[6] = kepsilAir; | |
287 | params[7] = kstminAir; | |
288 | med = new TGeoMedium("ITSspdCoolingFluid", medindex++, mix, params); | |
289 | ||
290 | // return the next index to be used in case of adding new materials | |
291 | medOffset = medindex; | |
292 | matOffset = matindex; | |
293 | return matOffset; | |
a53658c6 | 294 | } |
bc3498f4 | 295 | // |
296 | //__________________________________________________________________________________________ | |
297 | void AliITSv11GeometrySPD::InitSPDCentral(Int_t offset, TVirtualMC *vmc) const | |
298 | { | |
299 | // | |
300 | // Do all SPD Central detector initializations (e.g.: transport cuts). | |
301 | // --- | |
302 | // Here follow some GEANT3 physics switches, which are interesting | |
303 | // for these settings to be defined: | |
304 | // - "MULTS" (MULtiple Scattering): | |
305 | // the variable IMULS controls this process. See [PHYS320/325/328] | |
306 | // 0 - No multiple scattering. | |
307 | // 1 - (DEFAULT) Multiple scattering according to Moliere theory. | |
308 | // 2 - Same as 1. Kept for backward compatibility. | |
309 | // 3 - Pure Gaussian scattering according to the Rossi formula. | |
310 | // - "DRAY" (Delta RAY production) | |
311 | // The variable IDRAY controls this process. See [PHYS430] | |
312 | // 0 - No delta rays production. | |
313 | // 1 - (DEFAULT) Delta rays production with generation of. | |
314 | // 2 - Delta rays production without generation of. | |
315 | // - "LOSS" (continuous energy loss) | |
316 | // The variable ILOSS controls this process. | |
317 | // 0 - No continuous energy loss, IDRAY is set to 0. | |
318 | // 1 - Continuous energy loss with generation of delta rays above | |
319 | // DCUTE (common/GCUTS/) and restricted Landau fluctuations below DCUTE. | |
320 | // 2 - (DEFAULT) Continuous energy loss without generation of delta rays | |
321 | // and full Landau-Vavilov-Gauss fluctuations. | |
322 | // In this case the variable IDRAY is forced to 0 to avoid | |
323 | // double counting of fluctuations. | |
324 | // 3 - Same as 1, kept for backward compatibility. | |
325 | // 4 - Energy loss without fluctuation. | |
326 | // The value obtained from the tables is used directly. | |
327 | // --- | |
328 | // Arguments: | |
329 | // Int_t offset --> the material/medium index offset | |
330 | // TVirtualMC *vmc --> pointer to the virtual Monte Carlo default gMC | |
331 | // | |
a53658c6 | 332 | |
bc3498f4 | 333 | Int_t i, n = 4; |
334 | ||
335 | for(i=0;i<n;i++) { | |
336 | vmc->Gstpar(i+offset, "CUTGAM", 30.0 * fgkKeV); | |
337 | vmc->Gstpar(i+offset, "CUTELE", 30.0 * fgkKeV); | |
338 | vmc->Gstpar(i+offset, "CUTNEU", 30.0 * fgkKeV); | |
339 | vmc->Gstpar(i+offset, "CUTHAD", 30.0 * fgkKeV); | |
340 | vmc->Gstpar(i+offset, "CUTMUO", 30.0 * fgkKeV); | |
341 | vmc->Gstpar(i+offset, "BCUTE", 30.0 * fgkKeV); | |
342 | vmc->Gstpar(i+offset, "BCUTM", 30.0 * fgkKeV); | |
343 | vmc->Gstpar(i+offset, "DCUTE", 30.0 * fgkKeV); | |
344 | vmc->Gstpar(i+offset, "DCUTM", 30.0 * fgkKeV); | |
345 | //vmc->Gstpar(i+offset, "PPCUTM", ); | |
346 | //vmc->Gstpar(i+offset, "PAIR", ); | |
347 | //vmc->Gstpar(i+offset, "COMPT", ); | |
348 | //vmc->Gstpar(i+offset, "PHOT", ); | |
349 | //vmc->Gstpar(i+offset, "PFIS", ); | |
350 | vmc->Gstpar(i+offset, "DRAY", 1); | |
351 | //vmc->Gstpar(i+offset, "ANNI", ); | |
352 | //vmc->Gstpar(i+offset, "BREM", ); | |
353 | //vmc->Gstpar(i+offset, "HADR", ); | |
354 | //vmc->Gstpar(i+offset, "MUNU", ); | |
355 | //vmc->Gstpar(i+offset, "DCAY", ); | |
356 | vmc->Gstpar(i+offset, "LOSS", 1); | |
357 | //vmc->Gstpar(i+offset, "MULS", ); | |
358 | //vmc->Gstpar(i+offset, "GHCOR1", ); | |
359 | //vmc->Gstpar(i+offset, "BIRK1", ); | |
360 | //vmc->Gstpar(i+offset, "BRIK2", ); | |
361 | //vmc->Gstpar(i+offset, "BRIK3", ); | |
362 | //vmc->Gstpar(i+offset, "LABS", ); | |
363 | //vmc->Gstpar(i+offset, "SYNC", ); | |
364 | //vmc->Gstpar(i+offset, "STRA", ); | |
365 | } | |
a53658c6 | 366 | } |
bc3498f4 | 367 | // |
368 | //__________________________________________________________________________________________ | |
369 | void AliITSv11GeometrySPD::SPDSector(TGeoVolume *moth, TGeoManager *mgr) | |
370 | { | |
371 | // | |
372 | // Creates a single SPD carbon fiber sector and places it | |
373 | // in a container volume passed as first argument ('moth'). | |
374 | // Second argument points to the TGeoManager which coordinates | |
375 | // the overall volume creation. | |
376 | // The position of the sector is based on distance of | |
377 | // closest point of SPD stave to beam pipe | |
378 | // (figures all-sections-modules.ps) of 7.22mm at section A-A. | |
379 | // | |
a53658c6 | 380 | |
bc3498f4 | 381 | const Double_t kSPDclossesStaveAA = 7.22 * fgkmm; |
382 | const Double_t kSectorStartingAngle = -72.0 * fgkDegree; | |
383 | const Double_t kNSectorsTotal = 10.0; | |
384 | const Double_t kSectorRelativeAngle = 360.0 / kNSectorsTotal * fgkDegree; | |
385 | const Double_t kBeamPipeRadius = 0.5 * 60.0 * fgkmm; | |
386 | ||
387 | Int_t i; | |
388 | Double_t angle, radiusSector, xAAtubeCenter0, yAAtubeCenter0; | |
389 | Double_t staveThicknessAA = 1.03 * fgkmm; // get from stave geometry. | |
390 | TGeoCombiTrans *secRot = new TGeoCombiTrans(); | |
391 | TGeoVolume *vCarbonFiberSector; | |
392 | TGeoMedium *medSPDcf; | |
393 | ||
394 | // define an assembly and fill it with the support of | |
395 | // a single carbon fiber sector and staves in it | |
396 | medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
397 | vCarbonFiberSector = new TGeoVolumeAssembly("ITSSPDCarbonFiberSectorV"); | |
398 | vCarbonFiberSector->SetMedium(medSPDcf); | |
399 | CarbonFiberSector(vCarbonFiberSector, xAAtubeCenter0, yAAtubeCenter0, mgr); | |
400 | vCarbonFiberSector->SetVisibility(kTRUE); // logical volume | |
401 | ||
402 | // Compute the radial shift out of the sectors | |
403 | radiusSector = kBeamPipeRadius + kSPDclossesStaveAA + staveThicknessAA; | |
404 | radiusSector *= radiusSector; // squaring; | |
405 | radiusSector -= xAAtubeCenter0 * xAAtubeCenter0; | |
406 | radiusSector = -yAAtubeCenter0 + TMath::Sqrt(radiusSector); | |
407 | ||
408 | // add 10 single sectors, by replicating the virtual sector defined above | |
409 | // and placing at different angles | |
410 | Double_t shiftX, shiftY; | |
411 | angle = kSectorStartingAngle; | |
412 | secRot->RotateZ(angle); | |
413 | for(i = 0; i < (Int_t)kNSectorsTotal; i++) { | |
414 | shiftX = -radiusSector * TMath::Sin(angle/fgkRadian); | |
415 | shiftY = radiusSector * TMath::Cos(angle/fgkRadian); | |
416 | secRot->SetDx(shiftX); | |
417 | secRot->SetDy(shiftY); | |
418 | moth->AddNode(vCarbonFiberSector, i+1, new TGeoCombiTrans(*secRot)); | |
419 | if(GetDebug(5)) { | |
420 | AliInfo(Form("i=%d angle=%g angle[rad]=%g radiusSector=%g x=%g y=%g \n", | |
421 | i, angle, angle/fgkRadian, radiusSector, shiftX, shiftY)); | |
422 | } | |
423 | angle += kSectorRelativeAngle; | |
424 | secRot->RotateZ(kSectorRelativeAngle); | |
425 | } | |
426 | if(GetDebug(3)) moth->PrintNodes(); | |
427 | ||
428 | delete secRot; | |
a53658c6 | 429 | } |
bc3498f4 | 430 | // |
431 | //__________________________________________________________________________________________ | |
432 | void AliITSv11GeometrySPD::CarbonFiberSector | |
433 | (TGeoVolume *moth, Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr) | |
434 | { | |
435 | // | |
436 | // Define the detail SPD Carbon fiber support Sector geometry. | |
437 | // Based on the drawings: | |
438 | // - ALICE-Pixel "Costruzione Profilo Modulo" (march 25 2004) | |
439 | // - ALICE-SUPPORTO "Costruzione Profilo Modulo" | |
440 | // --- | |
441 | // Define outside radii as negative, where "outside" means that the | |
442 | // center of the arc is outside of the object (feb 16 2004). | |
443 | // --- | |
444 | // Arguments [the one passed by ref contain output values]: | |
445 | // TGeoVolume *moth --> the voulme which will contain this object | |
446 | // Double_t &xAAtubeCenter0 --> (by ref) x location of the outer surface | |
447 | // of the cooling tube center for tube 0. | |
448 | // Double_t &yAAtubeCenter0 --> (by ref) y location of the outer surface | |
449 | // of the cooling tube center for tube 0. | |
450 | // TGeoManager *mgr --> TGeo builder | |
451 | // --- | |
452 | // Int the two variables passed by reference values will be stored | |
453 | // which will then be used to correctly locate this sector. | |
454 | // The information used for this is the distance between the | |
455 | // center of the #0 detector and the beam pipe. | |
456 | // Measurements are taken at cross section A-A. | |
457 | // | |
458 | ||
459 | //TGeoMedium *medSPDfs = 0; // SPD support cone inserto stesalite 4411w. | |
460 | //TGeoMedium *medSPDfo = 0; // SPD support cone foam, Rohacell 50A. | |
461 | //TGeoMedium *medSPDal = 0; // SPD support cone SDD mounting bracket Al | |
462 | TGeoMedium *medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
463 | TGeoMedium *medSPDss = GetMedium("INOX$", mgr); | |
464 | TGeoMedium *medSPDair = GetMedium("AIR$", mgr); | |
465 | TGeoMedium *medSPDcoolfl = GetMedium("Freon$", mgr); //ITSspdCoolingFluid | |
466 | ||
467 | const Double_t ksecDz = 0.5 * 500.0 * fgkmm; | |
468 | const Double_t ksecLen = 30.0 * fgkmm; | |
469 | const Double_t ksecCthick = 0.2 * fgkmm; | |
470 | const Double_t ksecDipLength = 3.2 * fgkmm; | |
471 | const Double_t ksecDipRadii = 0.4 * fgkmm; | |
472 | //const Double_t ksecCoolingTubeExtraDepth = 0.86 * fgkmm; | |
db486a6e | 473 | |
bc3498f4 | 474 | // The following positions ('ksecX#' and 'ksecY#') and radii ('ksecR#') |
475 | // are the centers and radii of curvature of all the rounded corners | |
476 | // between the straight borders of the SPD sector shape. | |
477 | // To draw this SPD sector, the following steps are followed: | |
478 | // 1) the (ksecX, ksecY) points are plotted | |
479 | // and circles of the specified radii are drawn around them. | |
480 | // 2) each pair of consecutive circles is connected by a line | |
481 | // tangent to them, in accordance with the radii being "internal" or "external" | |
482 | // with respect to the closed shape which describes the sector itself. | |
483 | // The resulting connected shape is the section | |
484 | // of the SPD sector surface in the transverse plane (XY). | |
485 | ||
486 | const Double_t ksecX0 = -10.725 * fgkmm; | |
487 | const Double_t ksecY0 = -14.853 * fgkmm; | |
488 | const Double_t ksecR0 = -0.8 * fgkmm; // external | |
489 | const Double_t ksecX1 = -13.187 * fgkmm; | |
490 | const Double_t ksecY1 = -19.964 * fgkmm; | |
491 | const Double_t ksecR1 = +0.6 * fgkmm; // internal | |
492 | // const Double_t ksecDip0 = 5.9 * fgkmm; | |
493 | ||
494 | const Double_t ksecX2 = -3.883 * fgkmm; | |
495 | const Double_t ksecY2 = -17.805 * fgkmm; | |
496 | const Double_t ksecR2 = +0.80 * fgkmm; // internal (guess) | |
497 | const Double_t ksecX3 = -3.123 * fgkmm; | |
498 | const Double_t ksecY3 = -14.618 * fgkmm; | |
499 | const Double_t ksecR3 = -0.6 * fgkmm; // external | |
500 | //const Double_t ksecDip1 = 8.035 * fgkmm; | |
501 | ||
502 | const Double_t ksecX4 = +11.280 * fgkmm; | |
503 | const Double_t ksecY4 = -14.473 * fgkmm; | |
504 | const Double_t ksecR4 = +0.8 * fgkmm; // internal | |
505 | const Double_t ksecX5 = +19.544 * fgkmm; | |
506 | const Double_t ksecY5 = +10.961 * fgkmm; | |
507 | const Double_t ksecR5 = +0.8 * fgkmm; // internal | |
508 | //const Double_t ksecDip2 = 4.553 * fgkmm; | |
509 | ||
510 | const Double_t ksecX6 = +10.830 * fgkmm; | |
511 | const Double_t ksecY6 = +16.858 * fgkmm; | |
512 | const Double_t ksecR6 = +0.6 * fgkmm; // internal | |
513 | const Double_t ksecX7 = +11.581 * fgkmm; | |
514 | const Double_t ksecY7 = +13.317 * fgkmm; | |
515 | const Double_t ksecR7 = -0.6 * fgkmm; // external | |
516 | //const Double_t ksecDip3 = 6.978 * fgkmm; | |
517 | ||
518 | const Double_t ksecX8 = -0.733 * fgkmm; | |
519 | const Double_t ksecY8 = +17.486 * fgkmm; | |
520 | const Double_t ksecR8 = +0.6 * fgkmm; // internal | |
521 | const Double_t ksecX9 = +0.562 * fgkmm; | |
522 | //const Double_t ksecY9 = +14.486 * fgkmm; // correction by | |
523 | const Double_t ksecY9 = +14.107 * fgkmm; // Alberto | |
524 | const Double_t ksecR9 = -0.6 * fgkmm; // external | |
525 | //const Double_t ksecDip4 = 6.978 * fgkmm; | |
db486a6e | 526 | |
bc3498f4 | 527 | const Double_t ksecX10 = -12.252 * fgkmm; |
528 | const Double_t ksecY10 = +16.298 * fgkmm; | |
529 | const Double_t ksecR10 = +0.6 * fgkmm; // internal | |
530 | const Double_t ksecX11 = -10.445 * fgkmm; | |
531 | const Double_t ksecY11 = +13.162 * fgkmm; | |
532 | const Double_t ksecR11 = -0.6 * fgkmm; // external | |
533 | //const Double_t ksecDip5 = 6.978 * fgkmm; | |
534 | ||
535 | const Double_t ksecX12 = -22.276 * fgkmm; | |
536 | const Double_t ksecY12 = +12.948 * fgkmm; | |
537 | const Double_t ksecR12 = +0.85 * fgkmm; // internal | |
538 | const Double_t ksecR13 = -0.8 * fgkmm; // external | |
539 | const Double_t ksecAngleSide13 = 36.0 * fgkDegree; | |
540 | ||
541 | const Int_t ksecNRadii = 20; | |
542 | const Int_t ksecNPointsPerRadii = 4; | |
543 | const Int_t ksecNCoolingTubeDips = 6; | |
544 | ||
545 | // Since the rounded parts are approximated by a regular polygon | |
546 | // and a cooling tube of the propper diameter must fit, a scaling factor | |
547 | // increases the size of the polygon for the tube to fit. | |
548 | //const Double_t ksecRCoolScale = 1./TMath::Cos(TMath::Pi()/(Double_t)ksecNPointsPerRadii); | |
549 | const Double_t ksecZEndLen = 30.000 * fgkmm; | |
550 | //const Double_t ksecZFlangLen = 45.000 * fgkmm; | |
551 | const Double_t ksecTl = 0.860 * fgkmm; | |
552 | const Double_t ksecCthick2 = 0.600 * fgkmm; | |
553 | //const Double_t ksecCthick3 = 1.80 * fgkmm; | |
554 | //const Double_t ksecSidelen = 22.0 * fgkmm; | |
555 | //const Double_t ksecSideD5 = 3.679 * fgkmm; | |
556 | //const Double_t ksecSideD12 = 7.066 * fgkmm; | |
557 | const Double_t ksecRCoolOut = 2.400 * fgkmm; | |
558 | const Double_t ksecRCoolIn = 2.000 * fgkmm; | |
559 | const Double_t ksecDl1 = 5.900 * fgkmm; | |
560 | const Double_t ksecDl2 = 8.035 * fgkmm; | |
561 | const Double_t ksecDl3 = 4.553 * fgkmm; | |
562 | const Double_t ksecDl4 = 6.978 * fgkmm; | |
563 | const Double_t ksecDl5 = 6.978 * fgkmm; | |
564 | const Double_t ksecDl6 = 6.978 * fgkmm; | |
565 | const Double_t ksecCoolTubeThick = 0.04 * fgkmm; | |
566 | const Double_t ksecCoolTubeROuter = 2.6 * fgkmm; | |
567 | const Double_t ksecCoolTubeFlatX = 3.696 * fgkmm; | |
568 | const Double_t ksecCoolTubeFlatY = 0.68 * fgkmm; | |
569 | //const Double_t ksecBeamX0 = 0.0 * fgkmm; // guess | |
570 | //const Double_t ksecBeamY0 = (15.223 + 40.) * fgkmm; // guess | |
297369a1 | 571 | |
bc3498f4 | 572 | // redefine some of the points already defined above |
573 | // in the format of arrays (???) | |
574 | const Int_t ksecNPoints = (ksecNPointsPerRadii + 1) * ksecNRadii + 8; | |
575 | Double_t secX[ksecNRadii] = { | |
576 | ksecX0, ksecX1, -1000.0, | |
577 | ksecX2, ksecX3, -1000.0, | |
578 | ksecX4, ksecX5, -1000.0, | |
579 | ksecX6, ksecX7, -1000.0, | |
580 | ksecX8, ksecX9, -1000.0, | |
581 | ksecX10, ksecX11, -1000.0, | |
582 | ksecX12, -1000.0 | |
583 | }; | |
584 | Double_t secY[ksecNRadii] = { | |
585 | ksecY0, ksecY1, -1000.0, | |
586 | ksecY2, ksecY3, -1000.0, | |
587 | ksecY4, ksecY5, -1000.0, | |
588 | ksecY6, ksecY7, -1000.0, | |
589 | ksecY8, ksecY9, -1000.0, | |
590 | ksecY10, ksecY11, -1000.0, | |
591 | ksecY12, -1000.0 | |
592 | }; | |
593 | Double_t secR[ksecNRadii] = { | |
594 | ksecR0, ksecR1, -.5 * ksecDipLength - ksecDipRadii, | |
595 | ksecR2, ksecR3, -.5 * ksecDipLength - ksecDipRadii, | |
596 | ksecR4, ksecR5, -.5 * ksecDipLength - ksecDipRadii, | |
597 | ksecR6, ksecR7, -.5 * ksecDipLength - ksecDipRadii, | |
598 | ksecR8, ksecR9, -.5 * ksecDipLength - ksecDipRadii, | |
599 | ksecR10, ksecR11, -.5 * ksecDipLength - ksecDipRadii, | |
600 | ksecR12, ksecR13 | |
601 | }; | |
602 | /* | |
603 | Double_t secDip[ksecNRadii] = { | |
604 | 0., 0., ksecDip0, 0., 0., ksecDip1, | |
605 | 0., 0., ksecDip2, 0., 0., ksecDip3, | |
606 | 0., 0., ksecDip4, 0., 0., ksecDip5, | |
607 | 0., 0. | |
608 | }; | |
609 | */ | |
610 | Double_t secX2[ksecNRadii]; | |
611 | Double_t secY2[ksecNRadii]; | |
612 | Double_t secR2[ksecNRadii] = { | |
613 | ksecR0, ksecR1, ksecRCoolOut, | |
614 | ksecR2, ksecR3, ksecRCoolOut, | |
615 | ksecR4, ksecR5, ksecRCoolOut, | |
616 | ksecR6, ksecR7, ksecRCoolOut, | |
617 | ksecR8, ksecR9, ksecRCoolOut, | |
618 | ksecR10, ksecR11, ksecRCoolOut, | |
619 | ksecR12, ksecR13 | |
620 | }; | |
621 | Double_t secDip2[ksecNCoolingTubeDips] = { | |
622 | ksecDl1, ksecDl2, ksecDl3, | |
623 | ksecDl4, ksecDl5, ksecDl6 | |
624 | }; | |
625 | Double_t secX3[ksecNRadii]; | |
626 | Double_t secY3[ksecNRadii]; | |
627 | const Int_t ksecDipIndex[ksecNCoolingTubeDips] = {2, 5, 8, 11, 14, 17}; | |
628 | Double_t secAngleStart[ksecNRadii]; | |
629 | Double_t secAngleEnd[ksecNRadii]; | |
630 | Double_t secAngleStart2[ksecNRadii]; | |
631 | Double_t secAngleEnd2[ksecNRadii]; | |
632 | Double_t secAngleTurbo[ksecNCoolingTubeDips] = {0., 0., 0., 0., 0., 0.0}; | |
633 | //Double_t secAngleStart3[ksecNRadii]; | |
634 | //Double_t secAngleEnd3[ksecNRadii]; | |
635 | Double_t xpp[ksecNPoints], ypp[ksecNPoints]; | |
636 | Double_t xpp2[ksecNPoints], ypp2[ksecNPoints]; | |
637 | Double_t *xp[ksecNRadii], *xp2[ksecNRadii]; | |
638 | Double_t *yp[ksecNRadii], *yp2[ksecNRadii]; | |
639 | TGeoXtru *sA0, *sA1, *sB0, *sB1; | |
640 | TGeoEltu *sTA0, *sTA1; | |
641 | TGeoTube *sTB0, *sTB1; //,*sM0; | |
642 | TGeoRotation *rot; | |
643 | TGeoTranslation *trans; | |
644 | TGeoCombiTrans *rotrans; | |
645 | Double_t t, t0, t1, a, b, x0, y0, x1, y1; | |
646 | Int_t i, j, k, m; | |
647 | Bool_t tst; | |
a53658c6 | 648 | |
bc3498f4 | 649 | if(!moth) { |
650 | AliError("Container volume (argument) is NULL"); | |
651 | return; | |
652 | } | |
653 | for(i = 0; i < ksecNRadii; i++) { | |
654 | xp[i] = &(xpp[i*(ksecNPointsPerRadii+1)]); | |
655 | yp[i] = &(ypp[i*(ksecNPointsPerRadii+1)]); | |
656 | xp2[i] = &(xpp2[i*(ksecNPointsPerRadii+1)]); | |
657 | yp2[i] = &(ypp2[i*(ksecNPointsPerRadii+1)]); | |
658 | secX2[i] = secX[i]; | |
659 | secY2[i] = secY[i]; | |
660 | secX3[i] = secX[i]; | |
661 | secY3[i] = secY[i]; | |
662 | } | |
663 | ||
664 | // find starting and ending angles for all but cooling tube sections | |
665 | secAngleStart[0] = 0.5 * ksecAngleSide13; | |
666 | for(i = 0; i < ksecNRadii - 2; i++) { | |
667 | tst = kFALSE; | |
668 | for(j = 0; j < ksecNCoolingTubeDips; j++) tst = (tst || i == ksecDipIndex[j]); | |
669 | if (tst) continue; | |
670 | tst = kFALSE; | |
671 | for(j = 0; j < ksecNCoolingTubeDips; j++) tst = (tst || (i+1) == ksecDipIndex[j]); | |
672 | if (tst) j = i+2; else j = i+1; | |
673 | AnglesForRoundedCorners(secX[i], secY[i], secR[i], secX[j], secY[j], secR[j], t0, t1); | |
674 | secAngleEnd[i] = t0; | |
675 | secAngleStart[j] = t1; | |
676 | if(secR[i] > 0.0 && secR[j] > 0.0) { | |
677 | if(secAngleStart[i] > secAngleEnd[i]) secAngleEnd[i] += 360.0; | |
678 | } | |
679 | secAngleStart2[i] = secAngleStart[i]; | |
680 | secAngleEnd2[i] = secAngleEnd[i]; | |
681 | } // end for i | |
682 | secAngleEnd[ksecNRadii-2] = secAngleStart[ksecNRadii-2] | |
683 | + (secAngleEnd[ksecNRadii-5] - secAngleStart[ksecNRadii-5]); | |
684 | if (secAngleEnd[ksecNRadii-2] < 0.0) secAngleEnd[ksecNRadii-2] += 360.0; | |
685 | secAngleStart[ksecNRadii-1] = secAngleEnd[ksecNRadii-2] - 180.0; | |
686 | secAngleEnd[ksecNRadii-1] = secAngleStart[0]; | |
687 | secAngleStart2[ksecNRadii-2] = secAngleStart[ksecNRadii-2]; | |
688 | secAngleEnd2[ksecNRadii-2] = secAngleEnd[ksecNRadii-2]; | |
689 | secAngleStart2[ksecNRadii-1] = secAngleStart[ksecNRadii-1]; | |
690 | secAngleEnd2[ksecNRadii-1] = secAngleEnd[ksecNRadii-1]; | |
691 | ||
692 | // find location of circle last rounded corner. | |
693 | i = 0; | |
694 | j = ksecNRadii - 2; | |
695 | t0 = TanD(secAngleStart[i]-90.); | |
696 | t1 = TanD(secAngleEnd[j]-90.); | |
697 | t = secY[i] - secY[j]; | |
698 | // NOTE: secR[i=0] < 0; secR[j=18] > 0; and secR[j+1=19] < 0 | |
699 | t += (-secR[i]+secR[j+1]) * SinD(secAngleStart[i]); | |
700 | t -= (secR[j]-secR[j+1]) * SinD(secAngleEnd[j]); | |
701 | t += t1 * secX[j] - t0*secX[i]; | |
702 | t += t1 * (secR[j] - secR[j+1]) * CosD(secAngleEnd[j]); | |
703 | t -= t0 * (-secR[i]+secR[j+1]) * CosD(secAngleStart[i]); | |
704 | secX[ksecNRadii-1] = t / (t1-t0); | |
705 | secY[ksecNRadii-1] = TanD(90. + 0.5*ksecAngleSide13) * (secX[ksecNRadii-1] - secX[0]) + secY[0]; | |
706 | secX2[ksecNRadii-1] = secX[ksecNRadii-1]; | |
707 | secY2[ksecNRadii-1] = secY[ksecNRadii-1]; | |
708 | secX3[ksecNRadii-1] = secX[ksecNRadii-1]; | |
709 | secY3[ksecNRadii-1] = secY[ksecNRadii-1]; | |
710 | ||
711 | // find location of cooling tube centers | |
712 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
713 | j = ksecDipIndex[i]; | |
714 | x0 = secX[j-1] + TMath::Abs(secR[j-1]) * CosD(secAngleEnd[j-1]); | |
715 | y0 = secY[j-1] + TMath::Abs(secR[j-1]) * SinD(secAngleEnd[j-1]); | |
716 | x1 = secX[j+1] + TMath::Abs(secR[j+1]) * CosD(secAngleStart[j+1]); | |
717 | y1 = secY[j+1] + TMath::Abs(secR[j+1]) * SinD(secAngleStart[j+1]); | |
718 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
719 | t = secDip2[i] / t0; | |
720 | a = x0+(x1-x0) * t; | |
721 | b = y0+(y1-y0) * t; | |
722 | if(i == 0) { | |
723 | // get location of tube center->Surface for locating | |
724 | // this sector around the beam pipe. | |
725 | // This needs to be double checked, but I need my notes for that. | |
726 | // (Bjorn Nilsen) | |
727 | xAAtubeCenter0 = x0 + (x1 - x0) * t * 0.5; | |
728 | yAAtubeCenter0 = y0 + (y1 - y0) * t * 0.5; | |
729 | } | |
730 | if(a + b*(a - x0) / (b - y0) > 0.0) { | |
731 | secX[j] = a + TMath::Abs(y1-y0) * 2.0 * ksecDipRadii/t0; | |
732 | secY[j] = b - TMath::Sign(2.0*ksecDipRadii,y1-y0) * (x1-x0)/t0; | |
733 | secX2[j] = a + TMath::Abs(y1-y0) * ksecTl/t0; | |
734 | secY2[j] = b - TMath::Sign(ksecTl,y1-y0) * (x1-x0) / t0; | |
735 | secX3[j] = a + TMath::Abs(y1-y0) * (2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0; | |
736 | secY3[j] = b - TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,y1-y0)*(x1-x0)/t0; | |
737 | } | |
738 | else { | |
739 | secX[j] = a - TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0; | |
740 | secY[j] = b + TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0; | |
741 | secX2[j] = a - TMath::Abs(y1-y0)*ksecTl/t0; | |
742 | secY2[j] = b + TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0; | |
743 | secX3[j] = a - TMath::Abs(y1-y0)*(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0; | |
744 | secY3[j] = b + TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,y1-y0)*(x1-x0)/t0; | |
745 | } | |
746 | ||
747 | // Set up Start and End angles to correspond to start/end of dips. | |
748 | t1 = (secDip2[i]-TMath::Abs(secR[j])) / t0; | |
749 | secAngleStart[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]); | |
750 | if (secAngleStart[j]<0.0) secAngleStart[j] += 360.0; | |
751 | secAngleStart2[j] = secAngleStart[j]; | |
752 | t1 = (secDip2[i]+TMath::Abs(secR[j]))/t0; | |
753 | secAngleEnd[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]); | |
754 | if (secAngleEnd[j]<0.0) secAngleEnd[j] += 360.0; | |
755 | secAngleEnd2[j] = secAngleEnd[j]; | |
756 | if (secAngleEnd[j]>secAngleStart[j]) secAngleEnd[j] -= 360.0; | |
757 | secR[j] = TMath::Sqrt(secR[j]*secR[j]+4.0*ksecDipRadii*ksecDipRadii); | |
758 | } // end for i | |
759 | ||
760 | // Special cases | |
761 | secAngleStart2[8] -= 360.; | |
762 | secAngleStart2[11] -= 360.; | |
763 | ||
764 | SPDsectorShape(ksecNRadii, secX, secY, secR, secAngleStart, secAngleEnd, | |
765 | ksecNPointsPerRadii, m, xp, yp); | |
766 | ||
767 | // Fix up dips to be square. | |
768 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
769 | j = ksecDipIndex[i]; | |
770 | t = 0.5*ksecDipLength+ksecDipRadii; | |
771 | t0 = TMath::RadToDeg()*TMath::ATan(2.0*ksecDipRadii/t); | |
772 | t1 = secAngleEnd[j] + t0; | |
773 | t0 = secAngleStart[j] - t0; | |
774 | x0 = xp[j][1] = secX[j] + t*CosD(t0); | |
775 | y0 = yp[j][1] = secY[j] + t*SinD(t0); | |
776 | x1 = xp[j][ksecNPointsPerRadii-1] = secX[j] + t*CosD(t1); | |
777 | y1 = yp[j][ksecNPointsPerRadii-1] = secY[j] + t*SinD(t1); | |
778 | t0 = 1./((Double_t)(ksecNPointsPerRadii-2)); | |
779 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
780 | // extra points spread them out. | |
781 | t = ((Double_t)(k-1)) * t0; | |
782 | xp[j][k] = x0+(x1-x0) * t; | |
783 | yp[j][k] = y0+(y1-y0) * t; | |
784 | } // end for k | |
785 | secAngleTurbo[i] = -TMath::RadToDeg() * TMath::ATan2(y1-y0, x1-x0); | |
786 | if(GetDebug(3)) { | |
787 | AliInfo(Form("i=%d -- angle=%f -- x0,y0=(%f, %f) -- x1,y1=(%f, %f)", i, secAngleTurbo[i], x0, y0, x1, y1)); | |
788 | } | |
789 | } // end for i | |
790 | sA0 = new TGeoXtru(2); | |
791 | sA0->SetName("ITS SPD Carbon fiber support Sector A0"); | |
792 | sA0->DefinePolygon(m, xpp, ypp); | |
793 | sA0->DefineSection(0, -ksecDz); | |
794 | sA0->DefineSection(1, ksecDz); | |
795 | ||
796 | // store the edges of each XY segment which defines | |
797 | // one of the plane zones where staves will have to be placed | |
798 | fSPDsectorX0.Set(ksecNCoolingTubeDips); | |
799 | fSPDsectorY0.Set(ksecNCoolingTubeDips); | |
800 | fSPDsectorX1.Set(ksecNCoolingTubeDips); | |
801 | fSPDsectorY1.Set(ksecNCoolingTubeDips); | |
802 | Int_t ixy0, ixy1; | |
803 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
804 | // Find index in xpp[] and ypp[] corresponding to where the | |
805 | // SPD ladders are to be attached. Order them according to | |
806 | // the ALICE numbering schema. Using array of indexes (+-1 for | |
807 | // cooling tubes. For any "bend/dip/edge, there are | |
808 | // ksecNPointsPerRadii+1 points involved. | |
809 | if(i == 0) j = 1; | |
810 | else if (i == 1) j = 0; | |
811 | else j = i; | |
812 | ixy0 = (ksecDipIndex[j]-1) * (ksecNPointsPerRadii+1) + (ksecNPointsPerRadii); | |
813 | ixy1 = (ksecDipIndex[j]+1) * (ksecNPointsPerRadii+1); | |
814 | fSPDsectorX0[i] = sA0->GetX(ixy0); | |
815 | fSPDsectorY0[i] = sA0->GetY(ixy0); | |
816 | fSPDsectorX1[i] = sA0->GetX(ixy1); | |
817 | fSPDsectorY1[i] = sA0->GetY(ixy1); | |
818 | } | |
819 | ||
820 | //printf("SectorA#%d ",0); | |
821 | InsidePoint(xpp[m-1], ypp[m-1], xpp[0], ypp[0], xpp[1], ypp[1], ksecCthick, xpp2[0], ypp2[0]); | |
822 | for(i = 1; i < m - 1; i++) { | |
823 | j = i / (ksecNPointsPerRadii+1); | |
824 | //printf("SectorA#%d ",i); | |
825 | InsidePoint(xpp[i-1], ypp[i-1], xpp[i], ypp[i], xpp[i+1], ypp[i+1], ksecCthick, xpp2[i], ypp2[i]); | |
826 | } | |
827 | //printf("SectorA#%d ",m); | |
828 | InsidePoint(xpp[m-2], ypp[m-2], xpp[m-1], ypp[m-1], xpp[0], ypp[0], ksecCthick, xpp2[m-1], ypp2[m-1]); | |
829 | // Fix center value of cooling tube dip and | |
830 | // find location of cooling tube centers | |
831 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
832 | j = ksecDipIndex[i]; | |
833 | x0 = xp2[j][1]; | |
834 | y0 = yp2[j][1]; | |
835 | x1 = xp2[j][ksecNPointsPerRadii-1]; | |
836 | y1 = yp2[j][ksecNPointsPerRadii-1]; | |
837 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
838 | t = secDip2[i]/t0; | |
839 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
840 | // extra points spread them out. | |
841 | t = ((Double_t)(k-1)) * t0; | |
842 | xp2[j][k] = x0+(x1-x0) * t; | |
843 | yp2[j][k] = y0+(y1-y0) * t; | |
844 | } | |
845 | } // end for i | |
846 | sA1 = new TGeoXtru(2); | |
847 | sA1->SetName("ITS SPD Carbon fiber support Sector Air A1"); | |
848 | sA1->DefinePolygon(m, xpp2, ypp2); | |
849 | sA1->DefineSection(0, -ksecDz); | |
850 | sA1->DefineSection(1, ksecDz); | |
851 | ||
852 | // Error in TGeoEltu. Semi-axis X must be < Semi-axis Y (?). | |
853 | sTA0 = new TGeoEltu("ITS SPD Cooling Tube TA0", 0.5 * ksecCoolTubeFlatY, 0.5 * ksecCoolTubeFlatX, ksecDz); | |
854 | sTA1 = new TGeoEltu("ITS SPD Cooling Tube coolant TA1", | |
855 | sTA0->GetA() - ksecCoolTubeThick, | |
856 | sTA0->GetB()-ksecCoolTubeThick,ksecDz); | |
857 | ||
858 | SPDsectorShape(ksecNRadii, secX2, secY2, secR2, secAngleStart2, secAngleEnd2, | |
859 | ksecNPointsPerRadii, m, xp, yp); | |
db486a6e | 860 | |
bc3498f4 | 861 | sB0 = new TGeoXtru(2); |
862 | sB0->SetName("ITS SPD Carbon fiber support Sector End B0"); | |
863 | sB0->DefinePolygon(m, xpp, ypp); | |
864 | sB0->DefineSection(0, ksecDz); | |
865 | sB0->DefineSection(1, ksecDz + ksecZEndLen); | |
592651e2 | 866 | |
bc3498f4 | 867 | //printf("SectorB#%d ",0); |
868 | InsidePoint(xpp[m-1], ypp[m-1], xpp[0], ypp[0], xpp[1], ypp[1], ksecCthick2, xpp2[0], ypp2[0]); | |
869 | for(i = 1; i < m - 1; i++) { | |
870 | t = ksecCthick2; | |
871 | for(k = 0; k < ksecNCoolingTubeDips; k++) | |
872 | if((i/(ksecNPointsPerRadii+1))==ksecDipIndex[k]) | |
873 | if(!(ksecDipIndex[k]*(ksecNPointsPerRadii+1) == i || | |
874 | ksecDipIndex[k]*(ksecNPointsPerRadii+1) + ksecNPointsPerRadii == i)) | |
875 | t = ksecRCoolOut-ksecRCoolIn; | |
876 | //printf("SectorB#%d ",i); | |
877 | InsidePoint(xpp[i-1], ypp[i-1], xpp[i], ypp[i], xpp[i+1], ypp[i+1], t, xpp2[i], ypp2[i]); | |
878 | } | |
879 | //printf("SectorB#%d ",m); | |
880 | InsidePoint(xpp[m-2], ypp[m-2], xpp[m-1], ypp[m-1], xpp[0], ypp[0], ksecCthick2, xpp2[m-1], ypp2[m-1]); | |
881 | sB1 = new TGeoXtru(2); | |
882 | sB1->SetName("ITS SPD Carbon fiber support Sector Air End B1"); | |
883 | sB1->DefinePolygon(m, xpp2, ypp2); | |
884 | sB1->DefineSection(0, ksecDz); | |
885 | sB1->DefineSection(1, ksecDz + ksecLen); | |
886 | sTB0 = new TGeoTube("ITS SPD Cooling Tube End TB0", 0.0, | |
887 | 0.5 * ksecCoolTubeROuter, 0.5 * ksecLen); | |
888 | sTB1 = new TGeoTube("ITS SPD Cooling Tube End coolant TB0", 0.0, | |
889 | sTB0->GetRmax() - ksecCoolTubeThick, 0.5 * ksecLen); | |
890 | ||
891 | if(GetDebug(3)) { | |
892 | if(medSPDcf) medSPDcf->Dump(); else AliInfo("medSPDcf = 0"); | |
893 | if(medSPDss) medSPDss->Dump(); else AliInfo("medSPDss = 0"); | |
894 | if(medSPDair) medSPDair->Dump(); else AliInfo("medSPDAir = 0"); | |
895 | if(medSPDcoolfl) medSPDcoolfl->Dump(); else AliInfo("medSPDcoolfl = 0"); | |
896 | sA0->InspectShape(); | |
897 | sA1->InspectShape(); | |
898 | sB0->InspectShape(); | |
899 | sB1->InspectShape(); | |
900 | } | |
901 | ||
902 | // create the assembly of the support and place staves on it | |
903 | TGeoVolumeAssembly *vM0 = new TGeoVolumeAssembly("ITSSPDSensitiveVirtualvolumeM0"); | |
904 | StavesInSector(vM0); | |
905 | // create other volumes with some graphical settings | |
906 | TGeoVolume *vA0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorA0", sA0, medSPDcf); | |
907 | vA0->SetVisibility(kTRUE); | |
908 | vA0->SetLineColor(4); // Blue | |
909 | vA0->SetLineWidth(1); | |
910 | vA0->SetFillColor(vA0->GetLineColor()); | |
911 | vA0->SetFillStyle(4010); // 10% transparent | |
912 | TGeoVolume *vA1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorAirA1", sA1, medSPDair); | |
913 | vA1->SetVisibility(kTRUE); | |
914 | vA1->SetLineColor(7); // light Blue | |
915 | vA1->SetLineWidth(1); | |
916 | vA1->SetFillColor(vA1->GetLineColor()); | |
917 | vA1->SetFillStyle(4090); // 90% transparent | |
918 | TGeoVolume *vTA0 = new TGeoVolume("ITSSPDCoolingTubeTA0", sTA0, medSPDss); | |
919 | vTA0->SetVisibility(kTRUE); | |
920 | vTA0->SetLineColor(1); // Black | |
921 | vTA0->SetLineWidth(1); | |
922 | vTA0->SetFillColor(vTA0->GetLineColor()); | |
923 | vTA0->SetFillStyle(4000); // 0% transparent | |
924 | TGeoVolume *vTA1 = new TGeoVolume("ITSSPDCoolingTubeFluidTA1", sTA1, medSPDcoolfl); | |
925 | vTA1->SetVisibility(kTRUE); | |
926 | vTA1->SetLineColor(6); // Purple | |
927 | vTA1->SetLineWidth(1); | |
928 | vTA1->SetFillColor(vTA1->GetLineColor()); | |
929 | vTA1->SetFillStyle(4000); // 0% transparent | |
930 | TGeoVolume *vB0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndB0", sB0, medSPDcf); | |
931 | vB0->SetVisibility(kTRUE); | |
932 | vB0->SetLineColor(4); // Blue | |
933 | vB0->SetLineWidth(1); | |
934 | vB0->SetFillColor(vB0->GetLineColor()); | |
935 | vB0->SetFillStyle(4010); // 10% transparent | |
936 | TGeoVolume *vB1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndAirB1", sB1, medSPDair); | |
937 | vB1->SetVisibility(kTRUE); | |
938 | vB1->SetLineColor(7); // light Blue | |
939 | vB1->SetLineWidth(1); | |
940 | vB1->SetFillColor(vB1->GetLineColor()); | |
941 | vB1->SetFillStyle(4090); // 90% transparent | |
942 | TGeoVolume *vTB0 = new TGeoVolume("ITSSPDCoolingTubeEndTB0", sTB0, medSPDss); | |
943 | vTB0->SetVisibility(kTRUE); | |
944 | vTB0->SetLineColor(1); // Black | |
945 | vTB0->SetLineWidth(1); | |
946 | vTB0->SetFillColor(vTB0->GetLineColor()); | |
947 | vTB0->SetFillStyle(4000); // 0% transparent | |
948 | TGeoVolume *vTB1 = new TGeoVolume("ITSSPDCoolingTubeEndFluidTB1", sTB1, medSPDcoolfl); | |
949 | vTB1->SetVisibility(kTRUE); | |
950 | vTB1->SetLineColor(6); // Purple | |
951 | vTB1->SetLineWidth(1); | |
952 | vTB1->SetFillColor(vTB1->GetLineColor()); | |
953 | vTB1->SetFillStyle(4000); // 0% transparent | |
954 | ||
955 | // add volumes to mother container passed as argument of this method | |
956 | moth->AddNode(vM0,1,0); // Add virtual volume to mother | |
957 | vA0->AddNode(vA1,1,0); // Put air inside carbon fiber. | |
958 | vB0->AddNode(vB1,1,0); // Put air inside carbon fiber. | |
959 | vTA0->AddNode(vTA1,1,0); // Put air inside carbon fiber. | |
960 | vTB0->AddNode(vTB1,1,0); // Put air inside carbon fiber. | |
961 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
962 | x0 = secX3[ksecDipIndex[i]]; | |
963 | y0 = secY3[ksecDipIndex[i]]; | |
964 | t = 90.0 - secAngleTurbo[i]; | |
965 | trans = new TGeoTranslation("", x0, y0, 0.5 * (sB1->GetZ(0) + sB1->GetZ(1))); | |
966 | vB1->AddNode(vTB0, i+1, trans); | |
967 | rot = new TGeoRotation("", 0.0, 0.0, t); | |
968 | rotrans = new TGeoCombiTrans("", x0, y0, 0.0, rot); | |
969 | vM0->AddNode(vTA0, i+1, rotrans); | |
970 | } // end for i | |
971 | vM0->AddNode(vA0, 1, 0); | |
972 | vM0->AddNode(vB0, 1, 0); | |
973 | // Reflection. | |
974 | vM0->AddNode(vB0, 2, new TGeoRotation("", 90., 0., 90., 90., 180., 0.)); | |
975 | if(GetDebug(3)){ | |
976 | vM0->PrintNodes(); | |
977 | vA0->PrintNodes(); | |
978 | vA1->PrintNodes(); | |
979 | vB0->PrintNodes(); | |
980 | vB1->PrintNodes(); | |
981 | vTA0->PrintNodes(); | |
982 | vTA1->PrintNodes(); | |
983 | vTB0->PrintNodes(); | |
984 | vTB1->PrintNodes(); | |
985 | } | |
986 | } | |
987 | // | |
988 | //__________________________________________________________________________________________ | |
989 | Bool_t AliITSv11GeometrySPD::GetSectorMountingPoints | |
990 | (Int_t index, Double_t &x0, Double_t &y0, Double_t &x1, Double_t &y1) const | |
991 | { | |
992 | // | |
993 | // Returns the edges of the straight borders in the SPD sector shape, | |
994 | // which are used to mount staves on them. | |
995 | // Coordinate system is that of the carbon fiber sector volume. | |
592651e2 | 996 | // --- |
bc3498f4 | 997 | // Index numbering is as follows: |
998 | // /5 | |
999 | // /\/4 | |
1000 | // 1\ \/3 | |
1001 | // 0|___\/2 | |
592651e2 | 1002 | // --- |
bc3498f4 | 1003 | // Arguments [the ones passed by reference contain output values]: |
1004 | // Int_t index --> location index according to above scheme [0-5] | |
1005 | // Double_t &x0 --> (by ref) x0 location or the ladder sector [cm] | |
1006 | // Double_t &y0 --> (by ref) y0 location of the ladder sector [cm] | |
1007 | // Double_t &x1 --> (by ref) x1 location or the ladder sector [cm] | |
1008 | // Double_t &y1 --> (by ref) y1 location of the ladder sector [cm] | |
1009 | // TGeoManager *mgr --> The TGeo builder | |
592651e2 | 1010 | // --- |
bc3498f4 | 1011 | // The location is described by a line going from (x0, y0) to (x1, y1) |
592651e2 | 1012 | // --- |
bc3498f4 | 1013 | // Returns kTRUE if no problems encountered. |
1014 | // Returns kFALSE if a problem was encountered (e.g.: shape not found). | |
1015 | // | |
592651e2 | 1016 | |
bc3498f4 | 1017 | Int_t isize = fSPDsectorX0.GetSize(); |
1018 | x0 = x1 = y0 = y1 = 0.0; | |
1019 | if(index < 0 || index > isize) { | |
1020 | AliError(Form("index = %d: allowed 0 --> %", index, isize)); | |
1021 | return kFALSE; | |
1022 | } | |
1023 | ||
1024 | x0 = fSPDsectorX0[index]; | |
1025 | x1 = fSPDsectorX1[index]; | |
1026 | y0 = fSPDsectorY0[index]; | |
1027 | y1 = fSPDsectorY1[index]; | |
1028 | ||
1029 | return kTRUE; | |
1030 | } | |
1031 | // | |
1032 | //__________________________________________________________________________________________ | |
1033 | void AliITSv11GeometrySPD::SPDsectorShape | |
1034 | (Int_t n, | |
1035 | const Double_t *xc, const Double_t *yc, const Double_t *r, | |
1036 | const Double_t *ths, const Double_t *the, | |
1037 | Int_t npr, Int_t &m, Double_t **xp, Double_t **yp) const | |
1038 | { | |
1039 | ||
1040 | // Code to compute the points that make up the shape of the SPD | |
1041 | // Carbon fiber support sections | |
1042 | // Inputs: | |
1043 | // Int_t n size of arrays xc,yc, and r. | |
1044 | // Double_t *xc array of x values for radii centers. | |
1045 | // Double_t *yc array of y values for radii centers. | |
1046 | // Double_t *r array of signed radii values. | |
1047 | // Double_t *ths array of starting angles [degrees]. | |
1048 | // Double_t *the array of ending angles [degrees]. | |
1049 | // Int_t npr the number of lines segments to aproximate the arc. | |
1050 | // Outputs (arguments passed by reference): | |
1051 | // Int_t m the number of enetries in the arrays *xp[npr+1] and *yp[npr+1]. | |
1052 | // Double_t **xp array of x coordinate values of the line segments | |
1053 | // which make up the SPD support sector shape. | |
1054 | // Double_t **yp array of y coordinate values of the line segments | |
1055 | // which make up the SPD support sector shape. | |
1056 | // | |
1057 | ||
1058 | Int_t i, k; | |
1059 | Double_t t, t0, t1; | |
1060 | ||
1061 | m = n*(npr + 1); | |
1062 | if(GetDebug(2)) { | |
1063 | cout <<" X \t Y \t R \t S \t E" << m << endl; | |
1064 | for(i = 0; i < n; i++) { | |
1065 | cout << "{" << xc[i] << ", "; | |
1066 | cout << yc[i] << ", "; | |
1067 | cout << r[i] << ", "; | |
1068 | cout << ths[i] << ", "; | |
1069 | cout << the[i] << "}, " << endl; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | if (GetDebug(3)) cout << "Double_t sA0 = [" << n*(npr+1)+1<<"]["; | |
1074 | if (GetDebug(4)) cout << "3] {"; | |
1075 | else if(GetDebug(3)) cout <<"2] {"; | |
1076 | t0 = (Double_t)npr; | |
1077 | for(i = 0; i < n; i++) { | |
1078 | t1 = (the[i] - ths[i]) / t0; | |
1079 | if(GetDebug(5)) cout << "t1 = " << t1 << endl; | |
1080 | for(k = 0; k <= npr; k++) { | |
1081 | t = ths[i] + ((Double_t)k) * t1; | |
1082 | xp[i][k] = TMath::Abs(r[i]) * CosD(t) + xc[i]; | |
1083 | yp[i][k] = TMath::Abs(r[i]) * SinD(t) + yc[i]; | |
1084 | if(GetDebug(3)) { | |
1085 | cout << "{" << xp[i][k] << "," << yp[i][k]; | |
1086 | if (GetDebug(4)) cout << "," << t; | |
1087 | cout << "},"; | |
1088 | } // end if GetDebug | |
1089 | } // end for k | |
1090 | if(GetDebug(3)) cout << endl; | |
1091 | } // end of i | |
1092 | if(GetDebug(3)) cout << "{" << xp[0][0] << ", " << yp[0][0]; | |
1093 | if(GetDebug(4)) cout << "," << ths[0]; | |
1094 | if(GetDebug(3)) cout << "}}" << endl; | |
1095 | } | |
1096 | // | |
1097 | //__________________________________________________________________________________________ | |
1098 | TGeoVolume* AliITSv11GeometrySPD::CreateLadder | |
1099 | (Int_t layer,TArrayD &sizes, TGeoManager *mgr) const | |
1100 | { | |
1101 | // Creates the "ladder" = silicon sensor + 5 chips. | |
1102 | // Returns a TGeoVolume containing the following components: | |
1103 | // - the sensor (TGeoBBox), whose name depends on the layer | |
1104 | // - 5 identical chips (TGeoBBox) | |
1105 | // - a guard ring around the sensor (subtraction of TGeoBBoxes), | |
1106 | // which is separated from the rest of sensor because it is not | |
1107 | // a sensitive part | |
1108 | // - bump bondings (TGeoBBox stripes for the whole width of the | |
1109 | // sensor, one per column). | |
1110 | // --- | |
1111 | // Arguments: | |
1112 | // 1 - the owner layer (MUST be 1 or 2 or a fatal error is raised) | |
1113 | // 2 - a TArrayD passed by reference, which contains some relevant | |
1114 | // sizes of this object: | |
1115 | // size[0] = 'thickness' (the direction orthogonal to the ALICE | |
1116 | // Z axis, along which the different parts of the | |
1117 | // stave are superimposed on each other) | |
1118 | // size[1] = 'length' (the direction along the ALICE Z axis) | |
1119 | // size[2] = 'width' (the direction orthogonal to both the | |
1120 | // above ones) | |
1121 | // 3 - the used TGeoManager | |
1122 | ||
1123 | // ** CRITICAL CHECK ** | |
592651e2 | 1124 | // layer number can be ONLY 1 or 2 |
32b9c3dd | 1125 | if (layer != 1 && layer != 2) AliFatal("Layer number MUST be 1 or 2"); |
592651e2 | 1126 | |
bc3498f4 | 1127 | // ** MEDIA ** |
592651e2 | 1128 | // instantiate all required media |
bc3498f4 | 1129 | TGeoMedium *medAir = GetMedium("AIR$",mgr); |
1130 | TGeoMedium *medSPDSiChip = GetMedium("SPD SI CHIP$",mgr);// SPD SI CHIP | |
1131 | TGeoMedium *medSi = GetMedium("SI$",mgr); | |
1132 | TGeoMedium *medBumpBond = GetMedium("COPPER$",mgr); // ??? BumpBond | |
1133 | ||
1134 | // ** SIZES ** | |
32b9c3dd | 1135 | // for the chip, also the spacing between them is required |
1136 | Double_t chipThickness = fgkmm * 0.150; | |
1137 | Double_t chipWidth = fgkmm * 15.950; | |
1138 | Double_t chipLength = fgkmm * 13.600; | |
bc3498f4 | 1139 | Double_t chipSpacing = fgkmm * 0.400; |
32b9c3dd | 1140 | // for the sensor, we define the area of sensitive volume |
1141 | // while the guard ring is added as a separate piece | |
1142 | Double_t sensThickness = fgkmm * 0.200; | |
1143 | Double_t sensLength = fgkmm * 69.600; | |
bc3498f4 | 1144 | Double_t sensWidth = fgkmm * 12.800; |
32b9c3dd | 1145 | Double_t guardRingWidth = fgkmm * 0.560; |
32b9c3dd | 1146 | // bump bond is defined as a small stripe of height = 0.012 mm |
1147 | // and a suitable width to keep the same volume it has | |
1148 | // before being compressed (a line of spheres of 0.025 mm radius) | |
1149 | Double_t bbLength = fgkmm * 0.042; | |
1150 | Double_t bbWidth = sensWidth; | |
1151 | Double_t bbThickness = fgkmm * 0.012; | |
bc3498f4 | 1152 | Double_t bbPos = 0.080; // Z position w.r. to left pixel edge |
1153 | ||
1154 | // ** VOLUMES ** | |
1155 | // for readability reasons, create references to | |
1156 | // the overall sizes which will be returned in the TArrayD | |
1157 | if (sizes.GetSize() != 3) sizes.Set(3); | |
1158 | Double_t &thickness = sizes[0]; | |
1159 | Double_t &length = sizes[1]; | |
1160 | Double_t &width = sizes[2]; | |
1161 | // the container is a box which exactly enclose all the stuff; | |
1162 | // it is filled with air and named according to the layer number | |
32b9c3dd | 1163 | width = chipWidth; |
1164 | length = sensLength + 2.0*guardRingWidth; | |
1165 | thickness = sensThickness + chipThickness + bbThickness; | |
bc3498f4 | 1166 | //TGeoVolume *container = mgr->MakeBox(Form("LAY%d_LADDER", layer), |
1167 | // medAir, 0.5*width, 0.5*thickness, 0.5*length); | |
1168 | // We must have the x coordinate of this container conresponding to | |
1169 | // the x corrdinate of the sensitive volume. In order to do that we | |
1170 | // are going to create the container with a local reference system | |
1171 | // that is not in the middle of the box. This need to call directly | |
1172 | // the constructor of the shape, with an option : | |
1173 | Double_t xSens = 0.5 * (width - sensWidth - 2.0*guardRingWidth); | |
1174 | Double_t originShift[3] = {-xSens, 0., 0.}; | |
1175 | TGeoBBox *shapeContainer = new TGeoBBox(0.5*width, 0.5*thickness, 0.5*length, originShift); | |
1176 | TGeoVolume *container = new TGeoVolume(Form("LAY%d_LADDER",layer), shapeContainer, medAir); | |
1177 | // the chip | |
1178 | TGeoVolume *volChip = mgr->MakeBox | |
1179 | ("CHIP", medSPDSiChip, 0.5*chipWidth, 0.5*chipThickness, 0.5*chipLength); | |
1180 | // the sensor | |
1181 | TGeoVolume *volSens = mgr->MakeBox | |
1182 | (GetSenstiveVolumeName(layer), medSi, 0.5*sensWidth, 0.5*sensThickness, 0.5*sensLength); | |
1183 | // the guard ring shape is the subtraction of two boxes with the same center. | |
1184 | TGeoBBox *shIn = new TGeoBBox(0.5*sensWidth, sensThickness, 0.5*sensLength); | |
1185 | TGeoBBox *shOut = new TGeoBBox | |
1186 | (0.5*sensWidth + guardRingWidth, 0.5*sensThickness, 0.5*sensLength + guardRingWidth); | |
32b9c3dd | 1187 | shIn->SetName("innerBox"); |
1188 | shOut->SetName("outerBox"); | |
bc3498f4 | 1189 | TGeoCompositeShape *shBorder = new TGeoCompositeShape("", "outerBox-innerBox"); |
32b9c3dd | 1190 | TGeoVolume *volBorder = new TGeoVolume("GUARD_RING", shBorder, medSi); |
bc3498f4 | 1191 | // bump bonds for one whole column |
1192 | TGeoVolume *volBB = mgr->MakeBox | |
1193 | ("BB", medBumpBond, 0.5*bbWidth, 0.5*bbThickness, 0.5*bbLength); | |
32b9c3dd | 1194 | // set colors of all objects for visualization |
592651e2 | 1195 | volSens->SetLineColor(kYellow + 1); |
1196 | volChip->SetLineColor(kGreen); | |
32b9c3dd | 1197 | volBorder->SetLineColor(kYellow + 3); |
32b9c3dd | 1198 | |
bc3498f4 | 1199 | // ** MOVEMENTS ** |
1200 | // translation for the sensor parts: direction of width and | |
1201 | // thickness (moved up) | |
1202 | Double_t ySens = 0.5 * (thickness - sensThickness); | |
1203 | Double_t zSens = 0.0; | |
1204 | // We want that the x of the ladder is the same as the one of its sensitive volume | |
1205 | TGeoTranslation *trSens = new TGeoTranslation(xSens - xSens, ySens, zSens); | |
32b9c3dd | 1206 | // translation for the bump bonds: |
1207 | // keep same y used for sensors, but change the Z | |
1208 | TGeoTranslation *trBB[160]; | |
bc3498f4 | 1209 | Double_t x = xSens - xSens; |
1210 | Double_t y = 0.5 * (thickness - bbThickness) - sensThickness; | |
1211 | Double_t z = -0.5 * sensLength + guardRingWidth + fgkmm*0.425 - bbPos; | |
1212 | Int_t i; | |
32b9c3dd | 1213 | for (i = 0; i < 160; i++) { |
1214 | trBB[i] = new TGeoTranslation(x, y, z); | |
1215 | switch(i) { | |
bc3498f4 | 1216 | case 31: |
1217 | case 63: | |
1218 | case 95: | |
1219 | case 127: | |
1220 | z += fgkmm * 0.625 + fgkmm * 0.2; | |
1221 | break; | |
1222 | default: | |
1223 | z += fgkmm * 0.425; | |
297369a1 | 1224 | } // end switch |
1225 | } // end for i | |
bc3498f4 | 1226 | // translations for the chip box: direction of length and |
1227 | // thickness (moved down) | |
1228 | TGeoTranslation *trChip[5] = {0, 0, 0, 0, 0}; | |
1229 | x = -xSens; | |
1230 | y = 0.5 * (chipThickness - thickness); | |
1231 | z = 0.0; | |
1232 | for (i = 0; i < 5; i++) { | |
1233 | z = -0.5*length + guardRingWidth | |
1234 | + (Double_t)i*chipSpacing + ((Double_t)(i) + 0.5)*chipLength; | |
1235 | trChip[i] = new TGeoTranslation(x, y, z); | |
1236 | } // end for i | |
1237 | ||
592651e2 | 1238 | // add nodes to container |
1239 | container->AddNode(volSens, 1, trSens); | |
32b9c3dd | 1240 | container->AddNode(volBorder, 1, trSens); |
1241 | for (i = 0; i < 160; i++) container->AddNode(volBB, i, trBB[i]); | |
bc3498f4 | 1242 | for (i = 0; i < 5; i++) container->AddNode(volChip, i + 2, trChip[i]); |
592651e2 | 1243 | |
1244 | // return the container | |
1245 | return container; | |
1246 | } | |
bc3498f4 | 1247 | // |
1248 | //__________________________________________________________________________________________ | |
1249 | TGeoVolume* AliITSv11GeometrySPD::CreateClip | |
1250 | (TArrayD &sizes, TGeoManager *mgr) const | |
1251 | { | |
592651e2 | 1252 | // |
bc3498f4 | 1253 | // Creates the carbon fiber clips which are added to the central ladders. |
1254 | // They have a complicated shape which is approximated by a TGeoXtru | |
1255 | // Implementation of a single clip over an half-stave. | |
1256 | // It has a complicated shape which is approximated to a section like this: | |
1257 | // | |
1258 | // 6 | |
1259 | // /\ . | |
1260 | // 7 //\\ 5 | |
1261 | // / 1\\___________________4 | |
1262 | // 0 \___________________ | |
1263 | // 2 3 | |
1264 | // with a finite thickness for all the shape | |
1265 | // Its local reference frame is such that point A corresponds to origin. | |
592651e2 | 1266 | // |
1267 | ||
bc3498f4 | 1268 | Double_t fullLength = fgkmm * 12.6; // = x4 - x0 |
1269 | Double_t flatLength = fgkmm * 5.4; // = x4 - x3 | |
1270 | Double_t inclLongLength = fgkmm * 5.0; // = 5-6 | |
1271 | Double_t inclShortLength = fgkmm * 2.0; // = 6-7 | |
1272 | Double_t fullHeight = fgkmm * 2.8; // = y6 - y3 | |
1273 | Double_t thickness = fgkmm * 0.2; // thickness | |
1274 | Double_t totalLength = fgkmm * 52.0; // total length in Z | |
1275 | Double_t holeSize = fgkmm * 4.0; // dimension of cubic hole inserted for pt1000 | |
1276 | Double_t angle1 = 27.0; // supplementary of angle DCB | |
1277 | Double_t angle2; // angle DCB | |
1278 | Double_t angle3; // angle of GH with vertical | |
1279 | ||
1280 | angle2 = 0.5 * (180.0 - angle1); | |
1281 | angle3 = 90.0 - TMath::ACos(fullLength - flatLength - inclLongLength*TMath::Cos(angle1)) * TMath::RadToDeg(); | |
1282 | ||
1283 | angle1 *= TMath::DegToRad(); | |
1284 | angle2 *= TMath::DegToRad(); | |
1285 | angle3 *= TMath::DegToRad(); | |
592651e2 | 1286 | |
bc3498f4 | 1287 | Double_t x[8], y[8]; |
592651e2 | 1288 | |
bc3498f4 | 1289 | x[0] = 0.0; |
1290 | x[1] = x[0] + fullLength - flatLength - inclLongLength*TMath::Cos(angle1); | |
1291 | x[2] = x[0] + fullLength - flatLength; | |
1292 | x[3] = x[0] + fullLength; | |
1293 | x[4] = x[3]; | |
1294 | x[5] = x[4] - flatLength + thickness * TMath::Cos(angle2); | |
1295 | x[6] = x[1]; | |
1296 | x[7] = x[0]; | |
1297 | ||
1298 | y[0] = 0.0; | |
1299 | y[1] = y[0] + inclShortLength * TMath::Cos(angle3); | |
1300 | y[2] = y[1] - inclLongLength * TMath::Sin(angle1); | |
1301 | y[3] = y[2]; | |
1302 | y[4] = y[3] + thickness; | |
1303 | y[5] = y[4]; | |
1304 | y[6] = y[1] + thickness; | |
1305 | y[7] = y[0] + thickness; | |
1306 | ||
1307 | sizes.Set(7); | |
1308 | sizes[0] = totalLength; | |
1309 | sizes[1] = fullHeight; | |
1310 | sizes[2] = y[2]; | |
1311 | sizes[3] = y[6]; | |
1312 | sizes[4] = x[0]; | |
1313 | sizes[5] = x[3]; | |
1314 | sizes[6] = x[2]; | |
1315 | ||
1316 | TGeoXtru *shClip = new TGeoXtru(2); | |
1317 | shClip->SetName("SHCLIP"); | |
1318 | shClip->DefinePolygon(8, x, y); | |
1319 | shClip->DefineSection(0, -0.5*totalLength, 0., 0., 1.0); | |
1320 | shClip->DefineSection(1, 0.5*totalLength, 0., 0., 1.0); | |
1321 | ||
1322 | TGeoBBox *shHole = new TGeoBBox("SH_CLIPHOLE", 0.5*holeSize, 0.5*holeSize, 0.5*holeSize); | |
1323 | TGeoTranslation *tr1 = new TGeoTranslation("TR_CLIPHOLE1", x[2], 0.0, fgkmm*14.); | |
1324 | TGeoTranslation *tr2 = new TGeoTranslation("TR_CLIPHOLE2", x[2], 0.0, 0.0); | |
1325 | TGeoTranslation *tr3 = new TGeoTranslation("TR_CLIPHOLE3", x[2], 0.0, -fgkmm*14.); | |
1326 | tr1->RegisterYourself(); | |
1327 | tr2->RegisterYourself(); | |
1328 | tr3->RegisterYourself(); | |
1329 | ||
1330 | TString strExpr("SHCLIP-("); | |
1331 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr1->GetName())); | |
1332 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr2->GetName())); | |
1333 | strExpr.Append(Form("%s:%s)", shHole->GetName(), tr3->GetName())); | |
1334 | TGeoCompositeShape *shClipHole = new TGeoCompositeShape("SHCLIPHOLES", strExpr.Data()); | |
1335 | ||
1336 | TGeoMedium *mat = GetMedium("ITSspdCarbonFiber", mgr); | |
1337 | TGeoVolume *vClip = new TGeoVolume("clip", shClipHole, mat); | |
1338 | vClip->SetLineColor(kGray + 2); | |
1339 | return vClip; | |
592651e2 | 1340 | } |
bc3498f4 | 1341 | // |
1342 | //__________________________________________________________________________________________ | |
1343 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateGroundingFoilSingle | |
1344 | (Int_t type, TArrayD &sizes, TGeoManager *mgr) const | |
1345 | { | |
1346 | // Returns a TGeoVolume representing a single grounding foil layer. | |
1347 | // This shape is used to create the two real foils of the GF (one in | |
1348 | // kapton, and one in aluminum), and also to implement the glue | |
1349 | // layers which link the GF to the carbon fiber support, and to the | |
1350 | // ladders. | |
1351 | // --- | |
1352 | // The glue and kapton layers have exactly the same size, while | |
1353 | // the aluminum foil has some small differences in its overall size | |
1354 | // and in the dimensions of its holes. The first argument passed to | |
1355 | // the function ("type") is used to choose between all these | |
1356 | // possibilities: | |
1357 | // - type = 0 --> kapton layer | |
1358 | // - type = 1 --> aluminum layer | |
1359 | // - type = 2 --> glue layer between support and GF | |
1360 | // - type = 3 --> glue layer between GF and ladders | |
592651e2 | 1361 | // --- |
1362 | // The complete object is created as the sum of the following parts: | |
1363 | // 1) the part which is connected to the chips, which is a | |
bc3498f4 | 1364 | // simple box with some box-shaped holes at regular intervals |
592651e2 | 1365 | // 2) a trapezoidal connection where the Y size changes |
1366 | // 3) another box with a unique hole of the same shape and size as above | |
1367 | // 4) another trapezoidal connection where the Y size changes | |
1368 | // 5) a final part which is built as a sequence of 4 BOX volumes | |
297369a1 | 1369 | // where the first and the third are equal and the others have |
bc3498f4 | 1370 | // same size in Y. |
592651e2 | 1371 | // --- |
bc3498f4 | 1372 | // The sizes of all parts are parameterized with variable names, |
1373 | // even if their value is fixed according to engineers' drawings. | |
592651e2 | 1374 | // --- |
bc3498f4 | 1375 | // The returns value is a TGeoVolume object which contains all parts |
1376 | // of this layer. The 'sizes' argument passed by reference will | |
1377 | // contain the three dimensions of the container and some other | |
1378 | // values which upper level methods (stave assemblier) must know: | |
1379 | // - sizes[0] = full thickness | |
1380 | // - sizes[1] = full length | |
1381 | // - sizes[2] = full width | |
1382 | // - sizes[3] = hole length | |
1383 | // - sizes[4] = hole width | |
1384 | // - sizes[5] = position of first hole center | |
1385 | // - sizes[6] = standard separation between holes | |
1386 | // - sizes[7] = separation between 5th and 6th hole | |
1387 | // - sizes[8] = separation between 10th and 11th hole | |
1388 | // - sizes[9] = separation between the upper hole border and the | |
1389 | // foil border | |
1390 | // ** MEDIA ** | |
592651e2 | 1391 | // - vacuum for the container volume |
bc3498f4 | 1392 | // - kapton/aluminum/glue for the pysical volume |
1393 | TGeoMedium *mat = GetMedium("SPD KAPTON(POLYCH2)$", mgr); | |
1394 | // ** SIZES ** | |
592651e2 | 1395 | Double_t sizeZ = fgkmm * 0.05; |
592651e2 | 1396 | Double_t part1X = fgkmm * 140.71; |
1397 | Double_t part2X = fgkmm * 2.48; | |
1398 | Double_t part3X = fgkmm * 26.78; | |
1399 | Double_t part4X = fgkmm * 4.00; | |
1400 | Double_t part5X = fgkmm * 10.00; | |
1401 | Double_t part6X = fgkmm * 24.40; | |
1402 | Double_t part7X = fgkmm * 10.00; | |
1403 | Double_t part8X = fgkmm * 24.81; | |
592651e2 | 1404 | Double_t sizeYMax = fgkmm * 15.95; |
1405 | Double_t sizeYMed1 = fgkmm * 15.00; | |
1406 | Double_t sizeYMed2 = fgkmm * 11.00; | |
1407 | Double_t sizeYMin = fgkmm * 4.40; | |
592651e2 | 1408 | Double_t holeX = fgkmm * 10.00; |
1409 | Double_t holeY = fgkmm * 7.50; | |
bc3498f4 | 1410 | Double_t holeFirstX = fgkmm * 7.05; // position of center of first hole |
297369a1 | 1411 | Double_t holeSepX = fgkmm * 14.00; // separation between the |
bc3498f4 | 1412 | // centers of two consecutive holes |
1413 | Double_t holeSepX1 = fgkmm * 1.42; // to be added after 4th hole in | |
1414 | // volume 1 | |
297369a1 | 1415 | Double_t holeSepY = fgkmm * 4.40; // dist between hole's and |
bc3498f4 | 1416 | // volume's upper border |
1417 | Double_t holeAloneX = fgkmm * 13.28; // position of hole center in | |
1418 | // box "part 3" | |
1419 | // correct sizes/material in case we are on Aluminum foil | |
1420 | if (type == 1) { | |
1421 | mat = GetMedium("AL$", mgr); | |
1422 | sizeZ = fgkmm * 0.025; | |
592651e2 | 1423 | part1X -= fgkmm * 0.2; |
1424 | part5X -= fgkmm * 0.2; | |
1425 | part6X += fgkmm * 0.4; | |
1426 | part7X -= fgkmm * 0.4; | |
592651e2 | 1427 | sizeYMax -= fgkmm * 0.4; |
1428 | sizeYMed1 -= fgkmm * 0.4; | |
1429 | sizeYMed2 -= fgkmm * 0.4; | |
1430 | sizeYMin -= fgkmm * 0.4; | |
592651e2 | 1431 | holeX += fgkmm * 0.4; |
1432 | holeY += fgkmm * 0.4; | |
1433 | holeFirstX -= fgkmm * 0.2; | |
1434 | holeSepY -= fgkmm * 0.4; | |
bc3498f4 | 1435 | } // end if type==1 |
1436 | ||
1437 | // correct sizes/material in case we are in a glue layer | |
1438 | if (type == 2) { | |
1439 | mat = GetMedium("EPOXY$", mgr); //??? GLUE_GF_SUPPORT | |
1440 | sizeZ = fgkmm * 0.1175; | |
1441 | } // end if type ==2 | |
1442 | if (type == 3) { | |
1443 | mat = GetMedium("EPOXY$", mgr); //??? GLUE_GF_SUPPORT | |
1444 | sizeZ = fgkmm * 0.1175 - fAlignmentGap; | |
1445 | if (sizeZ <= 0.0) { | |
1446 | AliFatal("Too large gap thickness."); | |
1447 | return 0; | |
1448 | } // end if sizeZ<=0 | |
1449 | }// end if type==3 | |
1450 | // initialize the argument TArrayD | |
1451 | if (sizes.GetSize() != 10) sizes.Set(10); | |
1452 | Double_t &thickness = sizes[0]; | |
1453 | Double_t &length = sizes[1]; | |
1454 | Double_t &width = sizes[2]; | |
592651e2 | 1455 | // compute full length and width |
bc3498f4 | 1456 | length = part1X+part2X+part3X+part4X+part5X+part6X+part7X+part8X; |
592651e2 | 1457 | width = sizeYMax; |
1458 | thickness = sizeZ; | |
bc3498f4 | 1459 | sizes[3] = holeX; |
1460 | sizes[4] = holeY; | |
1461 | sizes[5] = holeFirstX; | |
1462 | sizes[6] = holeSepX; | |
1463 | sizes[7] = holeSepX + holeSepX1; | |
1464 | sizes[8] = fgkmm * 22.0; // the last separation is not used in the | |
1465 | // rest, and is implemented from scratch | |
1466 | sizes[9] = holeSepY; | |
1467 | // ** OBJECT NAMES ** | |
1468 | // define names for the object | |
1469 | char stype[20]; | |
1470 | if (type == 0) strcpy(stype, "KAP"); | |
1471 | else if (type == 1) strcpy(stype, "ALU"); | |
1472 | else if (type == 2) strcpy(stype, "GLUE1"); | |
1473 | else if (type == 3) strcpy(stype, "GLUE2"); | |
1474 | else { | |
1475 | AliFatal(Form("Type %d not allowed for grounding foil", type)); | |
1476 | } // end if else | |
1477 | // ** VOLUMES ** | |
1478 | // grounding foil world, bounded exactly around the limits of the structure | |
1479 | // TGeoVolume *container = mgr->MakeBox(Form("GFOIL_%s", stype), | |
1480 | // air, 0.5*length, 0.5*sizeYMax, 0.5*sizeZ); | |
1481 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form("GFOIL_%s", | |
1482 | stype)); | |
592651e2 | 1483 | // === PART 1: box with holes === |
592651e2 | 1484 | TGeoBBox *shBox1 = 0, *shHole = 0; |
bc3498f4 | 1485 | shBox1 = new TGeoBBox(Form("GF%s_BOX1", stype), 0.5*part1X, 0.5*sizeYMax, |
1486 | 0.5*sizeZ); | |
1487 | shHole = new TGeoBBox(Form("GF%s_HOLE", stype), 0.5*holeX, 0.5*holeY, | |
1488 | 0.5*sizeZ + 0.01); | |
592651e2 | 1489 | // define the position of all holes and compose the expression |
1490 | // to define the composite shape (box - holes) | |
1491 | Double_t firstX = -0.5*part1X + holeFirstX; | |
1492 | Double_t transY = 0.5*sizeYMax - holeSepY - 0.5*holeY; | |
1493 | Double_t transX; | |
1494 | TGeoTranslation *transHole[10]; | |
1495 | TString strComposite(Form("%s - (", shBox1->GetName())); | |
1496 | for (Int_t i = 0; i < 10; i++) { | |
1497 | transX = firstX + (Double_t)i * holeSepX; | |
1498 | if (i > 4) transX += holeSepX1; | |
bc3498f4 | 1499 | transHole[i] = new TGeoTranslation(Form("TGF%s_HOLE%d", stype, i), |
1500 | transX, transY, 0.0); | |
592651e2 | 1501 | transHole[i]->RegisterYourself(); |
bc3498f4 | 1502 | strComposite.Append(Form("%s:%s", shHole->GetName(), |
1503 | transHole[i]->GetName())); | |
1504 | if (i < 9) strComposite.Append("+"); else strComposite.Append(")"); | |
297369a1 | 1505 | } // end for i |
592651e2 | 1506 | // create composite shape |
297369a1 | 1507 | TGeoCompositeShape *shPart1 = new TGeoCompositeShape( |
bc3498f4 | 1508 | Form("GF%s_PART1_SHAPE", stype), strComposite.Data()); |
592651e2 | 1509 | // create the volume |
bc3498f4 | 1510 | TGeoVolume *volPart1 = new TGeoVolume(Form("GF%s_PART1", stype), |
1511 | shPart1, mat); | |
592651e2 | 1512 | // === PART 2: first trapezoidal connection |
592651e2 | 1513 | TGeoArb8 *shTrap1 = new TGeoArb8(0.5*sizeZ); |
1514 | shTrap1->SetVertex(0, -0.5*part2X, 0.5*sizeYMax); | |
1515 | shTrap1->SetVertex(1, 0.5*part2X, 0.5*sizeYMax); | |
1516 | shTrap1->SetVertex(2, 0.5*part2X, 0.5*sizeYMax - sizeYMed1); | |
1517 | shTrap1->SetVertex(3, -0.5*part2X, -0.5*sizeYMax); | |
1518 | shTrap1->SetVertex(4, -0.5*part2X, 0.5*sizeYMax); | |
1519 | shTrap1->SetVertex(5, 0.5*part2X, 0.5*sizeYMax); | |
1520 | shTrap1->SetVertex(6, 0.5*part2X, 0.5*sizeYMax - sizeYMed1); | |
1521 | shTrap1->SetVertex(7, -0.5*part2X, -0.5*sizeYMax); | |
bc3498f4 | 1522 | TGeoVolume *volPart2 = new TGeoVolume(Form("GF%s_PART2", stype), |
1523 | shTrap1, mat); | |
592651e2 | 1524 | // === PART 3: other box with one hole |
592651e2 | 1525 | TGeoBBox *shBox2 = 0; |
bc3498f4 | 1526 | shBox2 = new TGeoBBox(Form("GF%s_BOX2", stype), 0.5*part3X, |
1527 | 0.5*sizeYMed1, 0.5*sizeZ); | |
592651e2 | 1528 | // define the position of the hole |
1529 | transX = holeAloneX - 0.5*part3X; | |
bc3498f4 | 1530 | transY -= 0.5*(sizeYMax - sizeYMed1); |
297369a1 | 1531 | TGeoTranslation *transHoleAlone = new TGeoTranslation( |
bc3498f4 | 1532 | Form("TGF%s_HOLE_ALONE", stype), transX, transY, 0.0); |
592651e2 | 1533 | transHoleAlone->RegisterYourself(); |
1534 | // create composite shape | |
297369a1 | 1535 | TGeoCompositeShape *shPart3 = new TGeoCompositeShape( |
bc3498f4 | 1536 | Form("GF%sPART3_SHAPE", stype), |
1537 | Form("%s - %s:%s", shBox2->GetName(), | |
1538 | shHole->GetName(), transHoleAlone->GetName())); | |
592651e2 | 1539 | // create the volume |
bc3498f4 | 1540 | TGeoVolume *volPart3 = new TGeoVolume(Form("GF%s_PART3", stype), |
1541 | shPart3, mat); | |
592651e2 | 1542 | // === PART 4: second trapezoidal connection |
592651e2 | 1543 | TGeoArb8 *shTrap2 = new TGeoArb8(0.5*sizeZ); |
1544 | shTrap2->SetVertex(0, -0.5*part4X, 0.5*sizeYMed1); | |
1545 | shTrap2->SetVertex(1, 0.5*part4X, 0.5*sizeYMed1); | |
1546 | shTrap2->SetVertex(2, 0.5*part4X, 0.5*sizeYMed1 - sizeYMed2); | |
1547 | shTrap2->SetVertex(3, -0.5*part4X, -0.5*sizeYMed1); | |
1548 | shTrap2->SetVertex(4, -0.5*part4X, 0.5*sizeYMed1); | |
1549 | shTrap2->SetVertex(5, 0.5*part4X, 0.5*sizeYMed1); | |
1550 | shTrap2->SetVertex(6, 0.5*part4X, 0.5*sizeYMed1 - sizeYMed2); | |
1551 | shTrap2->SetVertex(7, -0.5*part4X, -0.5*sizeYMed1); | |
bc3498f4 | 1552 | TGeoVolume *volPart4 = new TGeoVolume(Form("GF%s_PART4", stype), |
1553 | shTrap2, mat); | |
592651e2 | 1554 | // === PART 5 --> 8: sequence of boxes === |
bc3498f4 | 1555 | TGeoVolume *volPart5 = mgr->MakeBox(Form("GF%s_BOX3", stype), mat, |
1556 | 0.5*part5X, 0.5*sizeYMed2, 0.5*sizeZ); | |
1557 | TGeoVolume *volPart6 = mgr->MakeBox(Form("GF%s_BOX4", stype), mat, | |
1558 | 0.5*part6X, 0.5*sizeYMin , 0.5*sizeZ); | |
1559 | TGeoVolume *volPart7 = mgr->MakeBox(Form("GF%s_BOX5", stype), mat, | |
1560 | 0.5*part7X, 0.5*sizeYMed2, 0.5*sizeZ); | |
1561 | TGeoVolume *volPart8 = mgr->MakeBox(Form("GF%s_BOX6", stype), mat, | |
1562 | 0.5*part8X, 0.5*sizeYMin , 0.5*sizeZ); | |
592651e2 | 1563 | // === SET COLOR === |
bc3498f4 | 1564 | Color_t color = kRed + 3; |
1565 | if (type == 1) color = kGreen; | |
1566 | if (type == 2 || type == 3) color = kYellow; | |
1567 | volPart1->SetLineColor(color); | |
1568 | volPart2->SetLineColor(color); | |
1569 | volPart3->SetLineColor(color); | |
1570 | volPart4->SetLineColor(color); | |
1571 | volPart5->SetLineColor(color); | |
1572 | volPart6->SetLineColor(color); | |
1573 | volPart7->SetLineColor(color); | |
1574 | volPart8->SetLineColor(color); | |
1575 | // ** MOVEMENTS ** | |
592651e2 | 1576 | transX = 0.5*(part1X - length); |
1577 | TGeoTranslation *transPart1 = new TGeoTranslation(transX, 0.0, 0.0); | |
1578 | transX += 0.5*(part1X + part2X); | |
1579 | TGeoTranslation *transPart2 = new TGeoTranslation(transX, 0.0, 0.0); | |
1580 | transX += 0.5*(part2X + part3X); | |
1581 | transY = 0.5*(sizeYMax - sizeYMed1); | |
1582 | TGeoTranslation *transPart3 = new TGeoTranslation(transX, transY, 0.0); | |
1583 | transX += 0.5*(part3X + part4X); | |
1584 | TGeoTranslation *transPart4 = new TGeoTranslation(transX, transY, 0.0); | |
1585 | transX += 0.5*(part4X + part5X); | |
1586 | transY = 0.5*(sizeYMax - sizeYMed2); | |
1587 | TGeoTranslation *transPart5 = new TGeoTranslation(transX, transY, 0.0); | |
1588 | transX += 0.5*(part5X + part6X); | |
1589 | transY = 0.5*(sizeYMax - sizeYMin); | |
1590 | TGeoTranslation *transPart6 = new TGeoTranslation(transX, transY, 0.0); | |
1591 | transX += 0.5*(part6X + part7X); | |
1592 | transY = 0.5*(sizeYMax - sizeYMed2); | |
1593 | TGeoTranslation *transPart7 = new TGeoTranslation(transX, transY, 0.0); | |
1594 | transX += 0.5*(part7X + part8X); | |
1595 | transY = 0.5*(sizeYMax - sizeYMin); | |
1596 | TGeoTranslation *transPart8 = new TGeoTranslation(transX, transY, 0.0); | |
592651e2 | 1597 | // add the partial volumes to the container |
1598 | container->AddNode(volPart1, 1, transPart1); | |
1599 | container->AddNode(volPart2, 2, transPart2); | |
1600 | container->AddNode(volPart3, 3, transPart3); | |
1601 | container->AddNode(volPart4, 4, transPart4); | |
1602 | container->AddNode(volPart5, 5, transPart5); | |
1603 | container->AddNode(volPart6, 6, transPart6); | |
1604 | container->AddNode(volPart7, 7, transPart7); | |
1605 | container->AddNode(volPart8, 8, transPart8); | |
592651e2 | 1606 | return container; |
1607 | } | |
bc3498f4 | 1608 | // |
1609 | //__________________________________________________________________________________________ | |
1610 | TGeoVolume* AliITSv11GeometrySPD::CreateGroundingFoil | |
1611 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) const | |
1612 | { | |
1613 | // Create a volume containing all parts of the grounding foil a | |
1614 | // half-stave. The use of the TGeoXtru shape causes that in each | |
1615 | // single component volume the Z axis lies perpendicularly to the | |
1616 | // polygonal basis of this shape. Since we want that the Z axis | |
1617 | // of this volume must coincide with the one of the ALICE global | |
1618 | // reference frame, this requires some rotations of each component, | |
1619 | // besides the necessary translations to place it correctly with | |
1620 | // respect to the whole stave volume. | |
592651e2 | 1621 | // --- |
1622 | // Arguments: | |
bc3498f4 | 1623 | // 1: a boolean value to know if it is the grounding foir for |
1624 | // the right or left side | |
1625 | // 2: a TArrayD which will contain the dimension of the container box: | |
1626 | // - size[0] = length along Z (the beam line direction) | |
1627 | // - size[1] = the 'width' of the stave, which defines, together | |
1628 | // with Z, the plane of the carbon fiber support | |
1629 | // - size[2] = 'thickness' (= the direction along which all | |
1630 | // stave components are superimposed) | |
1631 | // 3: the TGeoManager | |
592651e2 | 1632 | // --- |
bc3498f4 | 1633 | // The return value is a TGeoBBox volume containing all grounding |
1634 | // foil components. | |
1635 | // to avoid strange behaviour of the geometry manager, | |
1636 | // create a suffix to be used in the names of all shapes | |
1637 | char suf[5]; | |
1638 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); | |
1639 | // this volume will be created in order to ease its placement in | |
1640 | // the half-stave; then, it is added here the small distance of | |
1641 | // the "central" edge of each volume from the Z=0 plane in the stave | |
1642 | // reference (which coincides with ALICE one) | |
1643 | Double_t dist = fgkmm * 0.71; | |
1644 | // create the component volumes and register their sizes in the | |
1645 | // passed arrays for readability reasons, some reference variables | |
1646 | // explicit the meaning of the array slots | |
1647 | TArrayD kpSize(9), alSize(9), g1Size(9), g2Size(9); | |
1648 | TGeoVolume *kpVol = CreateGroundingFoilSingle(0, kpSize, mgr); | |
1649 | TGeoVolume *alVol = CreateGroundingFoilSingle(1, alSize, mgr); | |
1650 | TGeoVolume *g1Vol = CreateGroundingFoilSingle(2, g1Size, mgr); | |
1651 | TGeoVolume *g2Vol = CreateGroundingFoilSingle(3, g2Size, mgr); | |
1652 | Double_t &kpLength = kpSize[1],&kpThickness=kpSize[0];//,&kpWidth=kpSize[2]; | |
1653 | Double_t &alLength = alSize[1],&alThickness=alSize[0];//,&alWidth=alSize[2]; | |
1654 | Double_t &g1Thickness = g1Size[0], &g2Thickness = g2Size[0]; | |
297369a1 | 1655 | |
bc3498f4 | 1656 | // create references for the final size object |
1657 | if (sizes.GetSize() != 3) sizes.Set(3); | |
1658 | Double_t &fullThickness = sizes[0]; | |
1659 | Double_t &fullLength = sizes[1]; | |
1660 | Double_t &fullWidth = sizes[2]; | |
1661 | // kapton leads the larger dimensions of the foil | |
1662 | // (including the cited small distance from Z=0 stave reference plane) | |
1663 | // the thickness is the sum of the ones of all components | |
1664 | fullLength = kpSize[1] + dist; | |
1665 | fullWidth = kpSize[2]; | |
1666 | fullThickness = kpSize[0] + alSize[0] + g1Size[0] + g2Size[0]; | |
592651e2 | 1667 | // create the container |
bc3498f4 | 1668 | TGeoMedium *air = GetMedium("AIR$", mgr); |
1669 | TGeoVolume *container = mgr->MakeBox(Form("GFOIL_%s", suf), air, | |
1670 | 0.5*fullThickness, 0.5*fullWidth, 0.5*fullLength); | |
1671 | // create the common correction rotation (which depends of what side | |
1672 | // we are building) | |
1673 | TGeoRotation *rotCorr = new TGeoRotation(*gGeoIdentity); | |
1674 | if (isRight) rotCorr->RotateY(90.0); | |
1675 | else rotCorr->RotateY(-90.0); | |
1676 | // compute the translations, which are in the length and thickness | |
1677 | // directions | |
1678 | Double_t x, y, z, shift = 0.0; | |
1679 | if (isRight) shift = dist; | |
1680 | // glue (bottom) | |
1681 | x = -0.5*(fullThickness - g1Thickness); | |
1682 | z = 0.5*(fullLength - kpLength) - shift; | |
1683 | TGeoCombiTrans *g1Trans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1684 | // kapton | |
1685 | x += 0.5*(g1Thickness + kpThickness); | |
1686 | TGeoCombiTrans *kpTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1687 | // aluminum | |
1688 | x += 0.5*(kpThickness + alThickness); | |
1689 | z = 0.5*(fullLength - alLength) - shift - 0.5*(kpLength - alLength); | |
1690 | TGeoCombiTrans *alTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1691 | // glue (top) | |
1692 | x += 0.5*(alThickness + g2Thickness); | |
1693 | z = 0.5*(fullLength - kpLength) - shift; | |
1694 | TGeoCombiTrans *g2Trans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
592651e2 | 1695 | |
1696 | // add to container | |
bc3498f4 | 1697 | container->AddNode(kpVol, 0, kpTrans); |
1698 | container->AddNode(alVol, 0, alTrans); | |
1699 | container->AddNode(g1Vol, 0, g1Trans); | |
1700 | container->AddNode(g2Vol, 0, g2Trans); | |
1701 | // to add the grease we remember the sizes of the holes, stored as | |
1702 | // additional parameters in the kapton layer size: | |
1703 | // - sizes[3] = hole length | |
1704 | // - sizes[4] = hole width | |
1705 | // - sizes[5] = position of first hole center | |
1706 | // - sizes[6] = standard separation between holes | |
1707 | // - sizes[7] = separation between 5th and 6th hole | |
1708 | // - sizes[8] = separation between 10th and 11th hole | |
1709 | // - sizes[9] = separation between the upper hole border and | |
1710 | // the foil border | |
1711 | Double_t holeLength = kpSize[3]; | |
1712 | Double_t holeWidth = kpSize[4]; | |
1713 | Double_t holeFirstZ = kpSize[5]; | |
1714 | Double_t holeSepZ = kpSize[6]; | |
1715 | Double_t holeSep5th6th = kpSize[7]; | |
1716 | Double_t holeSep10th11th = kpSize[8]; | |
1717 | Double_t holeSepY = kpSize[9]; | |
1718 | // volume (common) | |
1719 | TGeoMedium *grease = GetMedium("SPD KAPTON(POLYCH2)$", mgr); // ??? GREASE | |
1720 | TGeoVolume *hVol = mgr->MakeBox("GREASE", grease, 0.5*fullThickness, | |
1721 | 0.5*holeWidth, 0.5*holeLength); | |
1722 | hVol->SetLineColor(kBlue); | |
1723 | // displacement of volumes in the container | |
1724 | Int_t idx = 0; | |
1725 | x = 0.0; | |
1726 | y = 0.5*(fullWidth - holeWidth) - holeSepY; | |
1727 | if (isRight) z = holeFirstZ - 0.5*fullLength + dist; | |
1728 | else z = 0.5*fullLength - holeFirstZ - dist; | |
1729 | for (Int_t i = 0; i < 11; i++) { | |
1730 | TGeoTranslation *t = 0; | |
1731 | t = new TGeoTranslation(x, y, -z); | |
1732 | container->AddNode(hVol, idx++, t); | |
1733 | if (i < 4) shift = holeSepZ; | |
1734 | else if (i == 4) shift = holeSep5th6th; | |
1735 | else if (i < 9) shift = holeSepZ; | |
1736 | else shift = holeSep10th11th; | |
1737 | if (isRight) z += shift; | |
1738 | else z -= shift; | |
1739 | }// end for i | |
592651e2 | 1740 | return container; |
1741 | } | |
bc3498f4 | 1742 | // |
1743 | //__________________________________________________________________________________________ | |
1744 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateMCM | |
1745 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) const | |
1746 | { | |
1747 | // Assemblies all the components of the MCM and builds it as an | |
1748 | // assembly, because its large thickness could cause inexistent | |
1749 | // overlaps if all components were put into a true TGeoBBox. | |
1750 | // This assembly contains: | |
1751 | // - a layer of glue which has the same size of the MCM itself, | |
1752 | // and it the lowest part | |
1753 | // - the thin part of the MCM | |
1754 | // - the chips on the MCM, according to the specifications from EDMS | |
1755 | // - the cover which is superimposed to the part of the MCM with the chips | |
592651e2 | 1756 | // --- |
bc3498f4 | 1757 | // Even if this is an assembly, the placement of objects is made in |
1758 | // such a way that they are virtually contained in an imaginary box | |
1759 | // whose center is placed exactly in the middle of the occupied space | |
1760 | // in all directions. This will ease the positioning of this object | |
1761 | // in the final stave. The sizes of this virtual box are stored in | |
1762 | // the array passed by reference. | |
592651e2 | 1763 | // --- |
bc3498f4 | 1764 | // Arguments: |
1765 | // - a boolean flag to know if this is the left or right MCM, when | |
1766 | // looking at the stave from above (i.e. the direction from which | |
1767 | // one sees bus over ladders over grounding foil) and keeping the | |
1768 | // upper border continuous. | |
1769 | // - an array passed by reference which will contain the size of a | |
1770 | // virtual box containing all this stuff | |
1771 | // - a pointer to the used TGeoManager. | |
1772 | // to avoid strange behaviour of the geometry manager, | |
1773 | // create a suffix to be used in the names of all shapes | |
1774 | char suf[5]; | |
1775 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); | |
1776 | // ** MEDIA ** | |
1777 | TGeoMedium *medBase = GetMedium("SPD KAPTON(POLYCH2)$",mgr);// ??? MCM BASE | |
1778 | TGeoMedium *medGlue = GetMedium("EPOXY$",mgr); // ??? GlueMCM | |
1779 | TGeoMedium *medChip = GetMedium("SPD SI CHIP$",mgr); | |
1780 | TGeoMedium *medCap = GetMedium("AL$",mgr); | |
1781 | // The shape of the MCM is divided into 3 sectors with different | |
1782 | // widths (Y) and lengths (X), like in this sketch: | |
592651e2 | 1783 | // |
bc3498f4 | 1784 | // 0 1 2 |
1785 | // +---------------------+-----------------------------------+ | |
1786 | // | 4 sect 2 | | |
1787 | // | 6 sect 1 /-------------------+ | |
1788 | // | sect 0 /--------------/ 3 | |
1789 | // +--------------------/ 5 | |
1790 | // 8 7 | |
592651e2 | 1791 | // |
bc3498f4 | 1792 | // the inclination of all oblique borders (6-7, 4-5) is always 45 degrees. |
1793 | // From drawings we can parametrize the dimensions of all these sectors, | |
1794 | // then the shape of this part of the MCM is implemented as a | |
1795 | // TGeoXtru centerd in the virtual XY space. Since this shape | |
1796 | // is used twice (to define the MCM itself and the glue below it), | |
1797 | // we need to define two different shapes with different thicknesses | |
1798 | // and, since we place them in an assembly, we displace them | |
1799 | // directly in the right place with respect to the local Z axis | |
1800 | // (which is in the direction of thickness). The first step is | |
1801 | // definig the relevant sizes of this shape: | |
1802 | Int_t i, j; | |
1803 | Double_t mcmThickness = fgkmm * 0.35; | |
1804 | Double_t glueThickness = fAlignmentGap; | |
1805 | Double_t sizeXtot = fgkmm * 105.6; // total distance 0-2 | |
1806 | // resp. 7-8, 5-6 and 3-4 | |
1807 | Double_t sizeXsector[3] = {fgkmm * 28.4, fgkmm * 41.4, fgkmm * 28.8}; | |
1808 | // resp. 0-8, 1-6 and 2-3 | |
1809 | Double_t sizeYsector[3] = {fgkmm * 15.0, fgkmm * 11.0, fgkmm * 8.0}; | |
1810 | Double_t sizeSep01 = fgkmm * 4.0; // x(6)-x(7) | |
1811 | Double_t sizeSep12 = fgkmm * 3.0; // x(4)-x(5) | |
1812 | // define sizes of chips (last is the thickest) | |
1813 | Double_t chipLength[5] = { 4.00, 6.15, 3.85, 5.60, 18.00 }; | |
1814 | Double_t chipWidth[5] = { 3.00, 4.10, 3.85, 5.60, 5.45 }; | |
1815 | Double_t chipThickness[5] = { 0.60, 0.30, 0.30, 1.00, 1.20 }; | |
1816 | TString name[5]; | |
1817 | name[0] = "ANALOG"; | |
1818 | name[1] = "PILOT"; | |
1819 | name[2] = "GOL"; | |
1820 | name[3] = "RX40"; | |
1821 | name[4] = "OPTICAL"; | |
1822 | Color_t color[5] = { kCyan, kGreen, kYellow, kBlue, kOrange }; | |
297369a1 | 1823 | |
bc3498f4 | 1824 | // define the sizes of the cover |
1825 | Double_t capThickness = fgkmm * 0.3; | |
1826 | Double_t capHeight = fgkmm * 1.7; | |
1827 | // compute the total size of the virtual container box | |
1828 | Double_t &thickness = sizes[0]; | |
1829 | Double_t &length = sizes[1]; | |
1830 | Double_t &width = sizes[2]; | |
1831 | length = sizeXtot; | |
1832 | width = sizeYsector[0]; | |
1833 | thickness = glueThickness + mcmThickness + capHeight; | |
1834 | // define all the relevant vertices of the polygon | |
1835 | // which defines the transverse shape of the MCM. | |
1836 | // These values are used to several purposes, and | |
1837 | // for each one, some points must be excluded | |
1838 | Double_t xRef[9], yRef[9]; | |
1839 | xRef[0] = -0.5*sizeXtot; | |
1840 | yRef[0] = 0.5*sizeYsector[0]; | |
1841 | xRef[1] = xRef[0] + sizeXsector[0] + sizeSep01; | |
1842 | yRef[1] = yRef[0]; | |
1843 | xRef[2] = -xRef[0]; | |
1844 | yRef[2] = yRef[0]; | |
1845 | xRef[3] = xRef[2]; | |
1846 | yRef[3] = yRef[2] - sizeYsector[2]; | |
1847 | xRef[4] = xRef[3] - sizeXsector[2]; | |
1848 | yRef[4] = yRef[3]; | |
1849 | xRef[5] = xRef[4] - sizeSep12; | |
1850 | yRef[5] = yRef[4] - sizeSep12; | |
1851 | xRef[6] = xRef[5] - sizeXsector[1]; | |
1852 | yRef[6] = yRef[5]; | |
1853 | xRef[7] = xRef[6] - sizeSep01; | |
1854 | yRef[7] = yRef[6] - sizeSep01; | |
1855 | xRef[8] = xRef[0]; | |
1856 | yRef[8] = -yRef[0]; | |
1857 | // the above points are defined for the "right" MCM (if ve view the | |
1858 | // stave from above) in order to change to the "left" one, we must | |
1859 | // change the sign to all X values: | |
1860 | if (isRight) for (i = 0; i < 9; i++) xRef[i] = -xRef[i]; | |
1861 | // the shape of the MCM and glue layer are done excluding point 1, | |
1862 | // which is not necessary and cause the geometry builder to get confused | |
1863 | j = 0; | |
1864 | Double_t xBase[8], yBase[8]; | |
1865 | for (i = 0; i < 9; i++) { | |
1866 | if (i == 1) continue; | |
1867 | xBase[j] = xRef[i]; | |
1868 | yBase[j] = yRef[i]; | |
1869 | j++; | |
1870 | } // end for i | |
592651e2 | 1871 | |
bc3498f4 | 1872 | // the MCM cover is superimposed over the sectors 1 and 2 only |
1873 | Double_t xCap[6], yCap[6]; | |
1874 | j = 0; | |
1875 | for (i = 1; i <= 6; i++) { | |
1876 | xCap[j] = xRef[i]; | |
1877 | yCap[j] = yRef[i]; | |
1878 | j++; | |
1879 | } // end for i | |
592651e2 | 1880 | |
bc3498f4 | 1881 | // define positions of chips, |
1882 | // which must be added to the bottom-left corner of MCM | |
1883 | // and divided by 1E4; | |
1884 | Double_t chipX[5], chipY[5]; | |
1885 | if (isRight) { | |
1886 | chipX[0] = 666320.; | |
1887 | chipX[1] = 508320.; | |
1888 | chipX[2] = 381320.; | |
1889 | chipX[3] = 295320.; | |
1890 | chipX[4] = 150320.; | |
1891 | chipY[0] = 23750.; | |
1892 | chipY[1] = 27750.; | |
1893 | chipY[2] = 20750.; | |
1894 | chipY[3] = 42750.; | |
1895 | chipY[4] = 39750.; | |
1896 | } else { | |
1897 | chipX[0] = 389730.; | |
1898 | chipX[1] = 548630.; | |
1899 | chipX[2] = 674930.; | |
1900 | chipX[3] = 761430.; | |
1901 | chipX[4] = 905430.; | |
1902 | chipY[0] = 96250.; | |
1903 | chipY[1] = 91950.; | |
1904 | chipY[2] = 99250.; | |
1905 | chipY[3] = 107250.; | |
1906 | chipY[4] = 109750.; | |
1907 | } // end for isRight | |
1908 | for (i = 0; i < 5; i++) { | |
1909 | chipX[i] *= 0.00001; | |
1910 | chipY[i] *= 0.00001; | |
1911 | if (isRight) { | |
1912 | chipX[i] += xRef[3]; | |
1913 | chipY[i] += yRef[3]; | |
1914 | } else { | |
1915 | chipX[i] += xRef[8]; | |
1916 | chipY[i] += yRef[8]; | |
1917 | } // end for isRight | |
1918 | chipLength[i] *= fgkmm; | |
1919 | chipWidth[i] *= fgkmm; | |
1920 | chipThickness[i] *= fgkmm; | |
1921 | } // end for i | |
1922 | // create shapes for MCM | |
1923 | Double_t z1, z2; | |
1924 | TGeoXtru *shBase = new TGeoXtru(2); | |
1925 | TGeoXtru *shGlue = new TGeoXtru(2); | |
1926 | z1 = -0.5*thickness; | |
1927 | z2 = z1 + glueThickness; | |
1928 | shGlue->DefinePolygon(8, xBase, yBase); | |
1929 | shGlue->DefineSection(0, z1, 0., 0., 1.0); | |
1930 | shGlue->DefineSection(1, z2, 0., 0., 1.0); | |
1931 | z1 = z2; | |
1932 | z2 = z1 + mcmThickness; | |
1933 | shBase->DefinePolygon(8, xBase, yBase); | |
1934 | shBase->DefineSection(0, z1, 0., 0., 1.0); | |
1935 | shBase->DefineSection(1, z2, 0., 0., 1.0); | |
1936 | ||
1937 | // create volumes of MCM | |
1938 | TGeoVolume *volBase = new TGeoVolume("BASE", shBase, medBase); | |
1939 | volBase->SetLineColor(kRed); | |
1940 | TGeoVolume *volGlue = new TGeoVolume("GLUE", shGlue, medGlue); | |
1941 | volGlue->SetLineColor(kYellow + 1); | |
1942 | ||
1943 | // to create the border of the MCM cover, it is required the | |
1944 | // subtraction of two shapes the outer is created using the | |
1945 | // reference points defined here | |
1946 | TGeoXtru *shCapOut = new TGeoXtru(2); | |
1947 | shCapOut->SetName(Form("SHCAPOUT%s", suf)); | |
1948 | z1 = z2; | |
1949 | z2 = z1 + capHeight - capThickness; | |
1950 | shCapOut->DefinePolygon(6, xCap, yCap); | |
1951 | shCapOut->DefineSection(0, z1, 0., 0., 1.0); | |
1952 | shCapOut->DefineSection(1, z2, 0., 0., 1.0); | |
1953 | // the inner is built similarly but subtracting the thickness | |
1954 | Double_t angle, cs; | |
1955 | Double_t xin[6], yin[6]; | |
1956 | if (!isRight) { | |
1957 | angle = 45.0; | |
1958 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
1959 | xin[0] = xCap[0] + capThickness; | |
1960 | yin[0] = yCap[0] - capThickness; | |
1961 | xin[1] = xCap[1] - capThickness; | |
1962 | yin[1] = yin[0]; | |
1963 | xin[2] = xin[1]; | |
1964 | yin[2] = yCap[2] + capThickness; | |
1965 | xin[3] = xCap[3] - capThickness*cs; | |
1966 | yin[3] = yin[2]; | |
1967 | xin[4] = xin[3] - sizeSep12; | |
1968 | yin[4] = yCap[4] + capThickness; | |
1969 | xin[5] = xin[0]; | |
1970 | yin[5] = yin[4]; | |
1971 | } else { | |
1972 | angle = 45.0; | |
1973 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
1974 | xin[0] = xCap[0] - capThickness; | |
1975 | yin[0] = yCap[0] - capThickness; | |
1976 | xin[1] = xCap[1] + capThickness; | |
1977 | yin[1] = yin[0]; | |
1978 | xin[2] = xin[1]; | |
1979 | yin[2] = yCap[2] + capThickness; | |
1980 | xin[3] = xCap[3] - capThickness*cs; | |
1981 | yin[3] = yin[2]; | |
1982 | xin[4] = xin[3] + sizeSep12; | |
1983 | yin[4] = yCap[4] + capThickness; | |
1984 | xin[5] = xin[0]; | |
1985 | yin[5] = yin[4]; | |
1986 | } // end if isRight | |
1987 | TGeoXtru *shCapIn = new TGeoXtru(2); | |
1988 | shCapIn->SetName(Form("SHCAPIN%s", suf)); | |
1989 | shCapIn->DefinePolygon(6, xin, yin); | |
1990 | shCapIn->DefineSection(0, z1 - 0.01, 0., 0., 1.0); | |
1991 | shCapIn->DefineSection(1, z2 + 0.01, 0., 0., 1.0); | |
1992 | // compose shapes | |
1993 | TGeoCompositeShape *shCapBorder = new TGeoCompositeShape( | |
1994 | Form("SHBORDER%s", suf), | |
1995 | Form("%s-%s", shCapOut->GetName(), | |
1996 | shCapIn->GetName())); | |
1997 | // create volume | |
1998 | TGeoVolume *volCapBorder = new TGeoVolume("CAPBORDER",shCapBorder,medCap); | |
1999 | volCapBorder->SetLineColor(kGreen); | |
2000 | // finally, we create the top of the cover, which has the same | |
2001 | // shape of outer border and a thickness equal of the one othe | |
2002 | // cover border one | |
2003 | TGeoXtru *shCapTop = new TGeoXtru(2); | |
2004 | z1 = z2; | |
2005 | z2 = z1 + capThickness; | |
2006 | shCapTop->DefinePolygon(6, xCap, yCap); | |
2007 | shCapTop->DefineSection(0, z1, 0., 0., 1.0); | |
2008 | shCapTop->DefineSection(1, z2, 0., 0., 1.0); | |
2009 | TGeoVolume *volCapTop = new TGeoVolume("CAPTOP", shCapTop, medCap); | |
2010 | volCapTop->SetLineColor(kBlue); | |
2011 | ||
2012 | // create container assembly | |
2013 | TGeoVolumeAssembly *mcmAssembly = new TGeoVolumeAssembly("MCM"); | |
2014 | ||
2015 | // add objects in the assembly | |
2016 | ||
2017 | // glue | |
2018 | mcmAssembly->AddNode(volGlue, 0, gGeoIdentity); | |
2019 | // mcm layer | |
2020 | mcmAssembly->AddNode(volBase, 0, gGeoIdentity); | |
2021 | // chips | |
2022 | for (i = 0; i < 5; i++) { | |
2023 | TGeoVolume *box = gGeoManager->MakeBox(name[i], medChip, | |
2024 | 0.5*chipLength[i], 0.5*chipWidth[i], 0.5*chipThickness[i]); | |
2025 | TGeoTranslation *tr = new TGeoTranslation(chipX[i], chipY[i], | |
2026 | 0.5*(-thickness + chipThickness[i]) + mcmThickness + | |
2027 | glueThickness); | |
2028 | box->SetLineColor(color[i]); | |
2029 | mcmAssembly->AddNode(box, 0, tr); | |
2030 | } // end for i | |
2031 | // cap border | |
2032 | mcmAssembly->AddNode(volCapBorder, 0, gGeoIdentity); | |
2033 | // cap top | |
2034 | mcmAssembly->AddNode(volCapTop, 0, gGeoIdentity); | |
2035 | return mcmAssembly; | |
592651e2 | 2036 | } |
bc3498f4 | 2037 | // |
2038 | //__________________________________________________________________________________________ | |
2039 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBus | |
2040 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) const | |
2041 | { | |
2042 | // | |
2043 | // The pixel bus is implemented as a TGeoBBox with some objects on it, | |
2044 | // which could affect the particle energy loss. | |
592651e2 | 2045 | // --- |
bc3498f4 | 2046 | // In order to avoid confusion, the bus is directly displaced |
2047 | // according to the axis orientations which are used in the final stave: | |
2048 | // X --> thickness direction | |
2049 | // Y --> width direction | |
2050 | // Z --> length direction | |
592651e2 | 2051 | // |
bc3498f4 | 2052 | |
592651e2 | 2053 | |
bc3498f4 | 2054 | // ** MEDIA ** |
2055 | ||
2056 | //PIXEL BUS | |
2057 | TGeoMedium *medBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr); | |
2058 | TGeoMedium *medPt1000 = GetMedium("CERAMICS$",mgr); // ??? PT1000 | |
2059 | // Capacity | |
2060 | TGeoMedium *medCap = GetMedium("SDD X7R capacitors$",mgr); | |
2061 | // ??? Resistance | |
2062 | TGeoMedium *medRes = GetMedium("SDD X7R capacitors$",mgr); | |
2063 | // ** SIZES & POSITIONS ** | |
2064 | Double_t busLength = 170.501 * fgkmm; // length of plane part | |
2065 | Double_t busWidth = 13.800 * fgkmm; // width | |
2066 | Double_t busThickness = 0.280 * fgkmm; // thickness | |
2067 | Double_t pt1000Length = fgkmm * 1.50; | |
2068 | Double_t pt1000Width = fgkmm * 3.10; | |
2069 | Double_t pt1000Thickness = fgkmm * 0.60; | |
2070 | Double_t pt1000Y, pt1000Z[10];// position of the pt1000's along the bus | |
2071 | Double_t capLength = fgkmm * 2.55; | |
2072 | Double_t capWidth = fgkmm * 1.50; | |
2073 | Double_t capThickness = fgkmm * 1.35; | |
2074 | Double_t capY[2], capZ[2]; | |
2075 | ||
2076 | Double_t resLength = fgkmm * 2.20; | |
2077 | Double_t resWidth = fgkmm * 0.80; | |
2078 | Double_t resThickness = fgkmm * 0.35; | |
2079 | Double_t resY[2], resZ[2]; | |
2080 | ||
2081 | // position of pt1000, resistors and capacitors depends on the | |
2082 | // bus if it's left or right one | |
2083 | if (!isRight) { | |
2084 | pt1000Y = 64400.; | |
2085 | pt1000Z[0] = 66160.; | |
2086 | pt1000Z[1] = 206200.; | |
2087 | pt1000Z[2] = 346200.; | |
2088 | pt1000Z[3] = 486200.; | |
2089 | pt1000Z[4] = 626200.; | |
2090 | pt1000Z[5] = 776200.; | |
2091 | pt1000Z[6] = 916200.; | |
2092 | pt1000Z[7] = 1056200.; | |
2093 | pt1000Z[8] = 1196200.; | |
2094 | pt1000Z[9] = 1336200.; | |
2095 | resZ[0] = 1397500.; | |
2096 | resY[0] = 26900.; | |
2097 | resZ[1] = 682500.; | |
2098 | resY[1] = 27800.; | |
2099 | capZ[0] = 1395700.; | |
2100 | capY[0] = 45700.; | |
2101 | capZ[1] = 692600.; | |
2102 | capY[1] = 45400.; | |
2103 | } else { | |
2104 | pt1000Y = 66100.; | |
2105 | pt1000Z[0] = 319700.; | |
2106 | pt1000Z[1] = 459700.; | |
2107 | pt1000Z[2] = 599700.; | |
2108 | pt1000Z[3] = 739700.; | |
2109 | pt1000Z[4] = 879700.; | |
2110 | pt1000Z[5] = 1029700.; | |
2111 | pt1000Z[6] = 1169700.; | |
2112 | pt1000Z[7] = 1309700.; | |
2113 | pt1000Z[8] = 1449700.; | |
2114 | pt1000Z[9] = 1589700.; | |
2115 | capY[0] = 44500.; | |
2116 | capZ[0] = 266700.; | |
2117 | capY[1] = 44300.; | |
2118 | capZ[1] = 974700.; | |
2119 | resZ[0] = 266500.; | |
2120 | resY[0] = 29200.; | |
2121 | resZ[1] = 974600.; | |
2122 | resY[1] = 29900.; | |
2123 | } // end if isRight | |
2124 | Int_t i; | |
2125 | pt1000Y *= 1E-4 * fgkmm; | |
2126 | for (i = 0; i < 10; i++) { | |
2127 | pt1000Z[i] *= 1E-4 * fgkmm; | |
2128 | if (i < 2) { | |
2129 | capZ[i] *= 1E-4 * fgkmm; | |
2130 | capY[i] *= 1E-4 * fgkmm; | |
2131 | resZ[i] *= 1E-4 * fgkmm; | |
2132 | resY[i] *= 1E-4 * fgkmm; | |
2133 | } // end if iM2 | |
2134 | } // end for i | |
2135 | ||
2136 | Double_t &fullLength = sizes[1]; | |
2137 | Double_t &fullWidth = sizes[2]; | |
2138 | Double_t &fullThickness = sizes[0]; | |
2139 | fullLength = busLength; | |
2140 | fullWidth = busWidth; | |
2141 | // add the thickness of the thickest component on bus (capacity) | |
2142 | fullThickness = busThickness + capThickness; | |
2143 | // ** VOLUMES ** | |
2144 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly("PixelBus"); | |
2145 | TGeoVolume *bus = mgr->MakeBox("Bus", medBus, 0.5*busThickness, | |
2146 | 0.5*busWidth, 0.5*busLength); | |
2147 | TGeoVolume *pt1000 = mgr->MakeBox("PT1000", medPt1000, | |
2148 | 0.5*pt1000Thickness, 0.5*pt1000Width, 0.5*pt1000Length); | |
2149 | TGeoVolume *res = mgr->MakeBox("Resistor", medRes, 0.5*resThickness, | |
2150 | 0.5*resWidth, 0.5*resLength); | |
2151 | TGeoVolume *cap = mgr->MakeBox("Capacitor", medCap, 0.5*capThickness, | |
2152 | 0.5*capWidth, 0.5*capLength); | |
2153 | bus->SetLineColor(kYellow + 2); | |
2154 | pt1000->SetLineColor(kGreen + 3); | |
2155 | res->SetLineColor(kRed + 1); | |
2156 | cap->SetLineColor(kBlue - 7); | |
2157 | // ** MOVEMENTS AND POSITIONEMENT ** | |
2158 | // bus | |
2159 | TGeoTranslation *trBus = new TGeoTranslation(0.5 * (busThickness - | |
2160 | fullThickness), 0.0, 0.0); | |
2161 | container->AddNode(bus, 0, trBus); | |
2162 | Double_t zRef, yRef, x, y, z; | |
2163 | if (isRight) { | |
2164 | zRef = -0.5*fullLength; | |
2165 | yRef = -0.5*fullWidth; | |
2166 | } else { | |
2167 | zRef = -0.5*fullLength; | |
2168 | yRef = -0.5*fullWidth; | |
2169 | } // end if isRight | |
2170 | // pt1000 | |
2171 | x = 0.5*(pt1000Thickness - fullThickness) + busThickness; | |
2172 | for (i = 0; i < 10; i++) { | |
2173 | y = yRef + pt1000Y; | |
2174 | z = zRef + pt1000Z[i]; | |
2175 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2176 | container->AddNode(pt1000, i, tr); | |
2177 | } // end for i | |
2178 | // capacitors | |
2179 | x = 0.5*(capThickness - fullThickness) + busThickness; | |
2180 | for (i = 0; i < 2; i++) { | |
2181 | y = yRef + capY[i]; | |
2182 | z = zRef + capZ[i]; | |
2183 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2184 | container->AddNode(cap, i, tr); | |
2185 | } // end for i | |
2186 | // resistors | |
2187 | x = 0.5*(resThickness - fullThickness) + busThickness; | |
2188 | for (i = 0; i < 2; i++) { | |
2189 | y = yRef + resY[i]; | |
2190 | z = zRef + resZ[i]; | |
2191 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2192 | container->AddNode(res, i, tr); | |
2193 | } // end for i | |
2194 | ||
2195 | sizes[3] = yRef + pt1000Y; | |
2196 | sizes[4] = zRef + pt1000Z[2]; | |
2197 | sizes[5] = zRef + pt1000Z[7]; | |
592651e2 | 2198 | |
2199 | return container; | |
2200 | } | |
bc3498f4 | 2201 | // |
2202 | //__________________________________________________________________________________________ | |
2203 | TGeoVolume* AliITSv11GeometrySPD::CreateExtender | |
2204 | (const Double_t *extenderParams, const TGeoMedium *extenderMedium, TArrayD& sizes) const | |
2205 | { | |
2206 | // ------------------ CREATE AN EXTENDER ------------------------ | |
2207 | // | |
2208 | // This function creates the following picture (in plane xOy) | |
2209 | // Should be useful for the definition of the pixel bus and MCM extenders | |
2210 | // The origin corresponds to point 0 on the picture, at half-width in Z direction | |
2211 | // | |
2212 | // Y 7 6 5 | |
2213 | // ^ +---+---------------------+ | |
2214 | // | / | | |
2215 | // | / | | |
2216 | // 0------> X / +---------------------+ | |
2217 | // / / 3 4 | |
2218 | // / / | |
2219 | // 9 8 / / | |
2220 | // +-----------+ / | |
2221 | // | / | |
2222 | // | / | |
2223 | // ---> +-----------+---+ | |
2224 | // | 0 1 2 | |
2225 | // | | |
2226 | // origin (0,0,0) | |
2227 | // | |
2228 | // | |
2229 | // Takes 6 parameters in the following order : | |
2230 | // |--> par 0 : inner length [0-1] / [9-8] | |
2231 | // |--> par 1 : thickness ( = [0-9] / [4-5]) | |
2232 | // |--> par 2 : angle of the slope | |
2233 | // |--> par 3 : total height in local Y direction | |
2234 | // |--> par 4 : outer length [3-4] / [6-5] | |
2235 | // |--> par 5 : width in local Z direction | |
2236 | // | |
592651e2 | 2237 | |
592651e2 | 2238 | |
bc3498f4 | 2239 | Double_t slopeDeltaX = (extenderParams[3] - extenderParams[1] * TMath::Cos(extenderParams[2])) / TMath::Tan(extenderParams[2]); |
592651e2 | 2240 | |
bc3498f4 | 2241 | Double_t extenderXtruX[10] = { |
2242 | 0 , | |
2243 | extenderParams[0] , | |
2244 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) , | |
2245 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX , | |
2246 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4], | |
2247 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4], | |
2248 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX , | |
2249 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX - extenderParams[1] * TMath::Sin(extenderParams[2]) , | |
2250 | extenderParams[0] , | |
2251 | 0 | |
2252 | } ; | |
592651e2 | 2253 | |
bc3498f4 | 2254 | Double_t extenderXtruY[10] = { |
2255 | 0 , | |
2256 | 0 , | |
2257 | extenderParams[1] * (1-TMath::Cos(extenderParams[2])) , | |
2258 | extenderParams[3] - extenderParams[1] , | |
2259 | extenderParams[3] - extenderParams[1] , | |
2260 | extenderParams[3] , | |
2261 | extenderParams[3] , | |
2262 | extenderParams[3] - extenderParams[1] * (1-TMath::Cos(extenderParams[2])) , | |
2263 | extenderParams[1] , | |
2264 | extenderParams[1] | |
2265 | } ; | |
592651e2 | 2266 | |
bc3498f4 | 2267 | if (sizes.GetSize() != 3) sizes.Set(3); |
2268 | Double_t &thickness = sizes[0] ; | |
2269 | Double_t &length = sizes[1] ; | |
2270 | Double_t &width = sizes[2] ; | |
592651e2 | 2271 | |
bc3498f4 | 2272 | thickness = extenderParams[3] ; |
2273 | width = extenderParams[5] ; | |
2274 | length = extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4] ; | |
592651e2 | 2275 | |
bc3498f4 | 2276 | // creation of the volume |
2277 | TGeoXtru *extenderXtru = new TGeoXtru(2); | |
2278 | TGeoVolume *extenderXtruVol = new TGeoVolume("EXTENDER",extenderXtru,extenderMedium) ; | |
2279 | extenderXtru->DefinePolygon(10,extenderXtruX,extenderXtruY); | |
2280 | extenderXtru->DefineSection(0,-0.5*extenderParams[4]); | |
2281 | extenderXtru->DefineSection(1, 0.5*extenderParams[4]); | |
2282 | return extenderXtruVol ; | |
2283 | } | |
592651e2 | 2284 | |
bc3498f4 | 2285 | //______________________________________________________________________ |
2286 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBusAndExtensions | |
2287 | (Bool_t /*zpos*/, TGeoManager *mgr) const | |
2288 | { | |
2289 | // | |
2290 | // Creates an assembly which contains the pixel bus and its extension | |
2291 | // and the extension of the MCM. | |
2292 | // By: Renaud Vernet | |
2293 | // NOTE: to be defined its material and its extension in the outside direction | |
2294 | // | |
2295 | ||
2296 | // ==== constants ===== | |
592651e2 | 2297 | |
bc3498f4 | 2298 | //get the media |
2299 | //TGeoMedium *medPixelBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr) ; // ??? PIXEL BUS | |
2300 | TGeoMedium *medPBExtender = GetMedium("SDDKAPTON (POLYCH2)$",mgr) ; // ??? IXEL BUS EXTENDER | |
2301 | TGeoMedium *medMCMExtender = GetMedium("SDDKAPTON (POLYCH2)$",mgr) ; // ??? MCM EXTENDER | |
2302 | ||
2303 | // //geometrical constants | |
2304 | const Double_t kPbextenderThickness = 0.07 * fgkmm ; | |
2305 | const Double_t kPbExtenderSlopeAngle = 70.0 * TMath::Pi()/180. ; //design=?? 70 deg. seems OK | |
2306 | const Double_t kPbExtenderHeight = 1.92 * fgkmm ; // = 2.6 - (0.28+0.05+0.35) cf design | |
2307 | const Double_t kPbExtenderWidthY = 11.0 * fgkmm ; | |
2308 | const Double_t kMcmExtenderSlopeAngle = 70.0 * TMath::Pi()/180. ; //design=?? 70 deg. seems OK | |
2309 | const Double_t kMcmExtenderThickness = 0.10 * fgkmm ; | |
2310 | const Double_t kMcmExtenderHeight = 1.8 * fgkmm ; | |
2311 | const Double_t kMcmExtenderWidthY = kPbExtenderWidthY ; | |
2312 | // const Double_t groundingThickness = 0.07 * fgkmm ; | |
2313 | // const Double_t grounding2pixelBusDz = 0.625 * fgkmm ; | |
2314 | // const Double_t pixelBusThickness = 0.28 * fgkmm ; | |
2315 | // const Double_t groundingWidthX = 170.501 * fgkmm ; | |
2316 | // const Double_t pixelBusContactDx = 1.099 * fgkmm ; | |
2317 | // const Double_t pixelBusWidthY = 13.8 * fgkmm ; | |
2318 | // const Double_t pixelBusContactPhi = 20.0 * TMath::Pi()/180. ; //design=20 deg. | |
2319 | // const Double_t pbExtenderTopZ = 2.72 * fgkmm ; | |
2320 | // const Double_t mcmThickness = 0.35 * fgkmm ; | |
2321 | // const Double_t halfStaveTotalLength = 247.64 * fgkmm ; | |
2322 | // const Double_t deltaYOrigin = 15.95/2.* fgkmm ; | |
2323 | // const Double_t deltaXOrigin = 1.1 * fgkmm ; | |
2324 | // const Double_t deltaZOrigin = halfStaveTotalLength / 2. ; | |
2325 | // const Double_t grounding2pixelBusDz2 = grounding2pixelBusDz+groundingThickness/2. + pixelBusThickness/2. ; | |
2326 | // const Double_t pixelBusWidthX = groundingWidthX ; | |
2327 | // const Double_t pixelBusRaiseLength = (pixelBusContactDx-pixelBusThickness*TMath::Sin(pixelBusContactPhi))/TMath::Cos(pixelBusContactPhi) ; | |
592651e2 | 2328 | |
bc3498f4 | 2329 | // const Double_t pbExtenderBaseZ = grounding2pixelBusDz2 + pixelBusRaiseLength*TMath::Sin(pixelBusContactPhi) + 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)*TMath::Tan(pixelBusContactPhi) ; |
2330 | // const Double_t pbExtenderDeltaZ = pbExtenderTopZ-pbExtenderBaseZ ; | |
2331 | // const Double_t pbExtenderEndPointX = 2*deltaZOrigin - groundingWidthX - 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi) ; | |
2332 | // const Double_t pbExtenderXtru3L = 1.5 * fgkmm ; //arbitrary ? | |
2333 | // const Double_t pbExtenderXtru4L = (pbExtenderDeltaZ + pixelBusThickness*(TMath::Cos(extenderSlope)-2))/TMath::Sin(extenderSlope) ; | |
592651e2 | 2334 | |
bc3498f4 | 2335 | // const Double_t kMcmExtenderEndPointX = deltaZOrigin - 48.2 * fgkmm ; |
2336 | // const Double_t kMcmExtenderXtru3L = 1.5 * fgkmm ; | |
592651e2 | 2337 | |
bc3498f4 | 2338 | // //===== end constants ===== |
592651e2 | 2339 | |
592651e2 | 2340 | |
bc3498f4 | 2341 | const Double_t kPbExtenderInnerLength = 10. * fgkmm ; |
2342 | const Double_t kPbExtenderOuterLength = 15. * fgkmm ; | |
2343 | const Double_t kMcmExtenderInnerLength = 10. * fgkmm ; | |
2344 | const Double_t kMcmExtenderOuterLength = 15. * fgkmm ; | |
592651e2 | 2345 | |
bc3498f4 | 2346 | Double_t pbExtenderParams[6] = {kPbExtenderInnerLength, //0 |
2347 | kPbextenderThickness, //1 | |
2348 | kPbExtenderSlopeAngle, //2 | |
2349 | kPbExtenderHeight, //3 | |
2350 | kPbExtenderOuterLength, //4 | |
2351 | kPbExtenderWidthY}; //5 | |
2352 | ||
2353 | Double_t mcmExtenderParams[6] = {kMcmExtenderInnerLength, //0 | |
2354 | kMcmExtenderThickness, //1 | |
2355 | kMcmExtenderSlopeAngle, //2 | |
2356 | kMcmExtenderHeight, //3 | |
2357 | kMcmExtenderOuterLength, //4 | |
2358 | kMcmExtenderWidthY}; //5 | |
592651e2 | 2359 | |
bc3498f4 | 2360 | TArrayD sizes(3); |
2361 | TGeoVolume* pbExtender = CreateExtender(pbExtenderParams, medPBExtender, sizes) ; | |
2362 | printf("CREATED AN EXTENDER : THICKNESS = %5.5f cm\tLENGTH=%5.5f cm\tWIDTH=%5.5f cm\n",sizes[0],sizes[1],sizes[2]); | |
2363 | TGeoVolume* mcmExtender = CreateExtender(mcmExtenderParams, medMCMExtender, sizes) ; | |
2364 | printf("CREATED AN EXTENDER : THICKNESS = %5.5f cm\tLENGTH=%5.5f cm\tWIDTH=%5.5f cm\n",sizes[0],sizes[1],sizes[2]); | |
592651e2 | 2365 | |
2366 | ||
592651e2 | 2367 | |
bc3498f4 | 2368 | // Double_t pixelBusValues[5] = {pixelBusWidthX, //0 |
2369 | // pixelBusThickness, //1 | |
2370 | // pixelBusContactPhi, //2 | |
2371 | // pixelBusRaiseLength, //3 | |
2372 | // pixelBusWidthY} ; //4 | |
592651e2 | 2373 | |
bc3498f4 | 2374 | // Double_t pbExtenderValues[8] = {pixelBusRaiseLength, //0 |
2375 | // pixelBusContactPhi, //1 | |
2376 | // pbExtenderXtru3L, //2 | |
2377 | // pixelBusThickness, //3 | |
2378 | // extenderSlope, //4 | |
2379 | // pbExtenderXtru4L, //5 | |
2380 | // pbExtenderEndPointX, //6 | |
2381 | // kPbExtenderWidthY} ; //7 | |
592651e2 | 2382 | |
bc3498f4 | 2383 | // Double_t mcmExtenderValues[6] = {mcmExtenderXtru3L, //0 |
2384 | // mcmExtenderThickness, //1 | |
2385 | // extenderSlope, //2 | |
2386 | // deltaMcmMcmExtender, //3 | |
2387 | // mcmExtenderEndPointX, //4 | |
2388 | // mcmExtenderWidthY}; //5 | |
2389 | ||
2390 | // TGeoVolumeAssembly *pixelBus = new TGeoVolumeAssembly("PIXEL BUS"); | |
2391 | // CreatePixelBus(pixelBus,pixelBusValues,medPixelBus) ; | |
2392 | // TGeoVolumeAssembly *pbExtender = new TGeoVolumeAssembly("PIXEL BUS EXTENDER"); | |
2393 | // CreatePixelBusExtender(pbExtender,pbExtenderValues,medPBExtender) ; | |
2394 | // TGeoVolumeAssembly *mcmExtender = new TGeoVolumeAssembly("MCM EXTENDER"); | |
2395 | // CreateMCMExtender(mcmExtender,mcmExtenderValues,medMCMExtender) ; | |
2396 | ||
2397 | // //-------------- DEFINITION OF GEOMETRICAL TRANSFORMATIONS ------------------- | |
2398 | // TGeoRotation * commonRot = new TGeoRotation("commonRot",0,90,0); | |
2399 | // commonRot->MultiplyBy(new TGeoRotation("rot",-90,0,0)) ; | |
2400 | // TGeoTranslation * pixelBusTrans = new TGeoTranslation(pixelBusThickness/2. - deltaXOrigin + 0.52*fgkmm , | |
2401 | // -pixelBusWidthY/2. + deltaYOrigin , | |
2402 | // -groundingWidthX/2. + deltaZOrigin) ; | |
2403 | // TGeoRotation * pixelBusRot = new TGeoRotation(*commonRot); | |
2404 | // TGeoTranslation * pbExtenderTrans = new TGeoTranslation(*pixelBusTrans) ; | |
2405 | // TGeoRotation * pbExtenderRot = new TGeoRotation(*pixelBusRot) ; | |
2406 | // pbExtenderTrans->SetDz(*(pbExtenderTrans->GetTranslation()+2) - pixelBusWidthX/2. - 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)) ; | |
2407 | // if (!zpos) { | |
2408 | // pbExtenderTrans->SetDy(*(pbExtenderTrans->GetTranslation()+1) - (pixelBusWidthY - kPbExtenderWidthY)/2.); | |
2409 | // } | |
2410 | // else { | |
2411 | // pbExtenderTrans->SetDy(*(pbExtenderTrans->GetTranslation()+1) + (pixelBusWidthY - kPbExtenderWidthY)/2.); | |
2412 | // } | |
2413 | // pbExtenderTrans->SetDx(*(pbExtenderTrans->GetTranslation()) + pixelBusThickness/2 + 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)*TMath::Tan(pixelBusContactPhi)) ; | |
2414 | // TGeoTranslation * mcmExtenderTrans = new TGeoTranslation(0.12*fgkmm + mcmThickness - deltaXOrigin, | |
2415 | // pbExtenderTrans->GetTranslation()[1], | |
2416 | // -4.82); | |
2417 | // TGeoRotation * mcmExtenderRot = new TGeoRotation(*pbExtenderRot); | |
2418 | ||
2419 | // // add pt1000 components | |
2420 | // Double_t pt1000Z = fgkmm * 64400. * 1E-4; | |
2421 | // //Double_t pt1000X[10] = {319700., 459700., 599700., 739700., 879700., 1029700., 1169700., 1309700., 1449700., 1589700.}; | |
2422 | // Double_t pt1000X[10] = {66160., 206200., 346200., 486200., 626200., 776200., 916200., 1056200., 1196200., 1336200.}; | |
2423 | // Double_t pt1000size[3] = {fgkmm*1.5, fgkmm*0.6, fgkmm*3.1}; | |
2424 | // Int_t i; | |
2425 | // for (i = 0; i < 10; i++) { | |
2426 | // pt1000X[i] *= fgkmm * 1E-4; | |
2427 | // } | |
2428 | // TGeoVolume *pt1000 = mgr->MakeBox("PT1000", 0, 0.5*pt1000size[0], 0.5*pt1000size[1], 0.5*pt1000size[2]); | |
2429 | // pt1000->SetLineColor(kGray); | |
2430 | // Double_t refThickness = - pixelBusThickness ; | |
2431 | // for (i = 0; i < 10; i++) { | |
2432 | // TGeoTranslation *tr = new TGeoTranslation(pt1000X[i]-0.5*pixelBusWidthX, 0.002+0.5*(-3.*refThickness+pt1000size[3]), pt1000Z -0.5*pixelBusWidthY); | |
2433 | // pixelBus->AddNode(pt1000, i, tr); | |
2434 | // } | |
2435 | ||
2436 | //CREATE FINAL VOLUME ASSEMBLY AND ROTATE IT | |
2437 | TGeoVolumeAssembly *assembly = new TGeoVolumeAssembly("EXTENDERS"); | |
2438 | // assembly->AddNode((TGeoVolume*)pixelBus ,0, new TGeoCombiTrans(*pixelBusTrans,*pixelBusRot)); | |
2439 | // assembly->AddNode((TGeoVolume*)pbExtender ,0, new TGeoCombiTrans(*pbExtenderTrans,*pbExtenderRot)); | |
2440 | // assembly->AddNode((TGeoVolume*)mcmExtender ,0, new TGeoCombiTrans(*mcmExtenderTrans,*mcmExtenderRot)); | |
2441 | // assembly->AddNode(mcmExtender,0,new TGeoIdentity()); | |
2442 | assembly->AddNode(pbExtender,0); | |
2443 | assembly->AddNode(mcmExtender,0); | |
2444 | // assembly->SetTransparency(50); | |
2445 | ||
2446 | return assembly ; | |
592651e2 | 2447 | } |
bc3498f4 | 2448 | // |
2449 | //__________________________________________________________________________________________ | |
2450 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateHalfStave | |
2451 | (Bool_t isRight, | |
2452 | Int_t layer, Int_t idxCentral, Int_t idxSide, | |
2453 | TArrayD &sizes, Bool_t addClips, TGeoManager *mgr) | |
2454 | { | |
2455 | // | |
2456 | // Implementation of an half-stave, which depends on the side where we are on the stave. | |
2457 | // The convention for "left" and "right" is the same as for the MCM. | |
2458 | // The return value is a TGeoAssembly which is structured in such a way that the origin | |
2459 | // of its local reference frame coincides with the origin of the whole stave. | |
592651e2 | 2460 | // |
592651e2 | 2461 | |
bc3498f4 | 2462 | // ** CHECK ** |
592651e2 | 2463 | |
bc3498f4 | 2464 | // idxCentral and idxSide must be different |
2465 | if (idxCentral == idxSide) { | |
2466 | AliInfo("Ladders must be inserted in half-stave with different indexes."); | |
2467 | idxSide = idxCentral + 1; | |
2468 | AliInfo(Form("Central ladder will be inserted with index %d", idxCentral)); | |
2469 | AliInfo(Form("Side ladder will be inserted with index %d", idxSide)); | |
2470 | } | |
592651e2 | 2471 | |
bc3498f4 | 2472 | // define the separations along Z direction between the objects |
2473 | Double_t sepLadderLadder = fgkmm * 0.2; // sep. btw the 2 ladders | |
2474 | Double_t sepLadderCenter = fgkmm * 0.4; // sep. btw the "central" ladder and the Z=0 plane in stave ref. | |
2475 | Double_t sepLadderMCM = fgkmm * 0.3; // sep. btw the "external" ladder and MCM | |
2476 | Double_t sepBusCenter = fgkmm * 0.3; // sep. btw the bus central edge and the Z=0 plane in stave ref. | |
2477 | ||
2478 | // ** VOLUMES ** | |
2479 | ||
2480 | // grounding foil | |
2481 | TArrayD grndSize(3); | |
2482 | // This one line repalces the 3 bellow, BNS. | |
2483 | TGeoVolume *grndVol = CreateGroundingFoil(isRight,grndSize,mgr); | |
2484 | //TGeoVolume *grndVol = 0; | |
2485 | //if (isRight) grndVol = CreateGroundingFoil(kTRUE, grndSize, mgr); | |
2486 | //else grndVol = CreateGroundingFoil(kFALSE, grndSize, mgr); | |
2487 | Double_t &grndThickness = grndSize[0]; | |
2488 | Double_t &grndLength = grndSize[1]; | |
2489 | ||
2490 | // ladder | |
2491 | TArrayD ladderSize(3); | |
2492 | TGeoVolume *ladder = CreateLadder(layer, ladderSize, mgr); | |
2493 | Double_t ladderThickness = ladderSize[0]; | |
2494 | Double_t ladderLength = ladderSize[1]; | |
2495 | Double_t ladderWidth = ladderSize[2]; | |
2496 | ||
2497 | // glue between ladders and pixel bus | |
2498 | TGeoMedium *medLadGlue = GetMedium("EPOXY$", mgr); // ??? LadderBusGlue | |
2499 | Double_t ladGlueThickness = fgkmm * 0.12 - fAlignmentGap; | |
2500 | TGeoVolume *ladderGlue = mgr->MakeBox("LADDER_GLUE", medLadGlue, 0.5*ladGlueThickness, 0.5*ladderWidth, 0.5*ladderLength); | |
2501 | ladderGlue->SetLineColor(kRed); | |
2502 | ||
2503 | // MCM | |
2504 | TArrayD mcmSize(3); | |
2505 | TGeoVolumeAssembly *mcm = CreateMCM(!isRight,mcmSize,mgr); | |
2506 | //TGeoVolumeAssembly *mcm = 0; | |
2507 | //if (isRight) mcm = CreateMCM(kFALSE, mcmSize, mgr); | |
2508 | //else mcm = CreateMCM(kTRUE, mcmSize, mgr); | |
2509 | Double_t mcmThickness = mcmSize[0]; | |
2510 | Double_t mcmLength = mcmSize[1]; | |
2511 | Double_t mcmWidth = mcmSize[2]; | |
2512 | ||
2513 | // bus | |
2514 | TArrayD busSize(6); | |
2515 | TGeoVolumeAssembly *bus = CreatePixelBus(isRight, busSize, mgr); | |
2516 | //TGeoVolume *bus = 0; | |
2517 | //if (isRight) bus = CreatePixelBus(kTRUE, busSize, mgr); | |
2518 | //else bus = CreatePixelBus(kFALSE, busSize, mgr); | |
2519 | Double_t busThickness = busSize[0]; | |
2520 | Double_t busLength = busSize[1]; | |
2521 | Double_t busWidth = busSize[2]; | |
2522 | ||
2523 | // create references for the whole object, as usual | |
2524 | if (sizes.GetSize() != 3) sizes.Set(3); | |
2525 | Double_t &fullThickness = sizes[0]; | |
2526 | Double_t &fullLength = sizes[1]; | |
2527 | Double_t &fullWidth = sizes[2]; | |
2528 | ||
2529 | // compute the full size of the container | |
2530 | fullLength = sepLadderCenter + 2.0*ladderLength + sepLadderMCM + sepLadderLadder + mcmLength; | |
2531 | fullWidth = ladderWidth; | |
2532 | fullThickness = grndThickness + fAlignmentGap + mcmThickness + busThickness; | |
592651e2 | 2533 | |
bc3498f4 | 2534 | // ** MOVEMENTS ** |
2535 | ||
2536 | // grounding foil (shifted only along thickness) | |
592651e2 | 2537 | Double_t xGrnd = -0.5*fullThickness + 0.5*grndThickness; |
bc3498f4 | 2538 | Double_t zGrnd = -0.5*grndLength; |
2539 | if (!isRight) zGrnd = -zGrnd; | |
2540 | TGeoTranslation *grndTrans = new TGeoTranslation(xGrnd, 0.0, zGrnd); | |
592651e2 | 2541 | |
bc3498f4 | 2542 | // ladders (translations along thickness and length) |
2543 | // layers must be sorted going from the one at largest Z to the one at smallest Z: | |
592651e2 | 2544 | // -|Zmax| ------> |Zmax| |
bc3498f4 | 2545 | // 3 2 1 0 |
2546 | // then, for layer 1 ladders they must be placed exactly this way, and in layer 2 at the opposite. | |
2547 | // In order to remember the placements, we define as "inner" and "outer" ladder respectively | |
2548 | // the one close to barrel center, and the one closer to MCM, respectively. | |
2549 | Double_t xLad, zLadIn, zLadOut; | |
2550 | xLad = xGrnd + 0.5*(grndThickness + ladderThickness) + 0.01175 - fAlignmentGap; | |
2551 | zLadIn = -sepLadderCenter - 0.5*ladderLength; | |
2552 | zLadOut = zLadIn - sepLadderLadder - ladderLength; | |
2553 | if (!isRight) { | |
2554 | zLadIn = -zLadIn; | |
2555 | zLadOut = -zLadOut; | |
2556 | } | |
2557 | TGeoRotation *rotLad = new TGeoRotation(*gGeoIdentity); | |
2558 | rotLad->RotateZ(90.0); | |
2559 | rotLad->RotateY(180.0); | |
2560 | Double_t sensWidth = fgkmm * 12.800; | |
2561 | Double_t chipWidth = fgkmm * 15.950; | |
2562 | Double_t guardRingWidth = fgkmm * 0.560; | |
2563 | Double_t ladderShift = 0.5 * (chipWidth - sensWidth - 2.0*guardRingWidth); | |
2564 | TGeoCombiTrans *trLadIn = new TGeoCombiTrans(xLad, ladderShift, zLadIn, rotLad); | |
2565 | TGeoCombiTrans *trLadOut = new TGeoCombiTrans(xLad, ladderShift, zLadOut, rotLad); | |
2566 | ||
2567 | // glue between ladders and pixel bus | |
2568 | Double_t xLadGlue = xLad + 0.5*ladderThickness + fAlignmentGap - 0.5*ladGlueThickness; | |
2569 | TGeoTranslation *trLadGlueIn = new TGeoTranslation(xLadGlue, 0.0, zLadIn); | |
2570 | TGeoTranslation *trLadGlueOut = new TGeoTranslation(xLadGlue, 0.0, zLadOut); | |
2571 | ||
2572 | // MCM (length and thickness direction, placing at same level as the ladder, which implies to | |
2573 | // recompute the position of center, because ladder and MCM have NOT the same thickness) | |
2574 | // the two copies of the MCM are placed at the same distance from the center, on both sides | |
2575 | Double_t xMCM = xGrnd + 0.5*grndThickness + 0.5*mcmThickness + fAlignmentGap; | |
2576 | Double_t yMCM = 0.5*(fullWidth - mcmWidth); | |
2577 | Double_t zMCM = zLadOut - 0.5*ladderLength - 0.5*mcmLength - sepLadderMCM; | |
2578 | if (!isRight) zMCM = zLadOut + 0.5*ladderLength + 0.5*mcmLength + sepLadderMCM; | |
2579 | ||
2580 | // create the correction rotations | |
2581 | TGeoRotation *rotMCM = new TGeoRotation(*gGeoIdentity); | |
2582 | rotMCM->RotateY(90.0); | |
2583 | TGeoCombiTrans *trMCM = new TGeoCombiTrans(xMCM, yMCM, zMCM, rotMCM); | |
2584 | ||
2585 | // bus (length and thickness direction) | |
2586 | Double_t xBus = xLad + 0.5*ladderThickness + 0.5*busThickness + fAlignmentGap + ladGlueThickness; | |
2587 | Double_t yBus = 0.5*(fullWidth - busWidth); | |
2588 | Double_t zBus = -0.5*busLength - sepBusCenter; | |
2589 | if (!isRight) zBus = -zBus; | |
2590 | TGeoTranslation *trBus = new TGeoTranslation(xBus, yBus, zBus); | |
2591 | ||
2592 | // create the container | |
2593 | TGeoVolumeAssembly *container = 0; | |
2594 | if (idxCentral+idxSide==5) { | |
2595 | container = new TGeoVolumeAssembly("HALF-STAVE1"); | |
2596 | } else { | |
2597 | container = new TGeoVolumeAssembly("HALF-STAVE0"); | |
2598 | } | |
2599 | ||
2600 | // add to container all objects | |
2601 | container->AddNode(grndVol, 1, grndTrans); | |
2602 | // ladders are inserted in different order to respect numbering scheme | |
2603 | // which is inverted when going from outer to inner layer | |
2604 | container->AddNode(ladder, idxCentral, trLadIn); | |
2605 | container->AddNode(ladder, idxSide, trLadOut); | |
2606 | container->AddNode(ladderGlue, 0, trLadGlueIn); | |
2607 | container->AddNode(ladderGlue, 1, trLadGlueOut); | |
2608 | container->AddNode(mcm, 0, trMCM); | |
2609 | container->AddNode(bus, 0, trBus); | |
2610 | ||
2611 | if (addClips) { | |
2612 | ||
2613 | // ad clips if requested | |
2614 | // create clip volume | |
2615 | TArrayD clipSize(3); | |
2616 | TGeoVolume *clip = CreateClip(clipSize, mgr); | |
592651e2 | 2617 | |
bc3498f4 | 2618 | // define clip movements (width direction) |
2619 | TGeoRotation *rotClip = new TGeoRotation(*gGeoIdentity); | |
2620 | rotClip->RotateZ(-90.0); | |
2621 | rotClip->RotateX(180.0); | |
2622 | Double_t x = xBus + 0.5*busThickness;//clipSize[3] - clipSize[2]; | |
2623 | Double_t y = 0.5 * (fullWidth - busWidth) - clipSize[6] - fgkmm*0.48; | |
2624 | Double_t z1 = zBus + busSize[4]; | |
2625 | Double_t z2 = zBus + busSize[5]; | |
2626 | cout << z1 << ' ' << z2 << endl; | |
2627 | TGeoCombiTrans *trClip1 = new TGeoCombiTrans(x, y, z1, rotClip); | |
2628 | TGeoCombiTrans *trClip2 = new TGeoCombiTrans(x, y, z2, rotClip); | |
2629 | container->AddNode(clip, 0, trClip1); | |
2630 | container->AddNode(clip, 1, trClip2); | |
2631 | } | |
2632 | ||
2633 | ||
592651e2 | 2634 | return container; |
2635 | } | |
bc3498f4 | 2636 | // |
2637 | //__________________________________________________________________________________________ | |
2638 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateStave | |
2639 | (Int_t layer, | |
2640 | TArrayD &sizes, Bool_t addClips, TGeoManager *mgr) { | |
2641 | // This method uses all other ones which create pieces of the stave | |
2642 | // and assemblies everything together, in order to return the whole | |
2643 | // stave implementation, which is returned as a TGeoVolumeAssembly, | |
2644 | // due to the presence of some parts which could generate fake overlaps | |
2645 | // when put on the sector. | |
2646 | // This assembly contains, going from bottom to top in the thickness direction: | |
2647 | // - the complete grounding foil, defined by the "CreateGroundingFoil" method which | |
2648 | // already joins some glue and real groudning foil layers for the whole stave (left + right); | |
2649 | // - 4 ladders, which are sorted according to the ALICE numbering scheme, which depends | |
2650 | // on the layer we are building this stave for; | |
2651 | // - 2 MCMs (a left and a right one); | |
2652 | // - 2 pixel buses (a left and a right one); | |
2653 | // --- | |
2654 | // Arguments: | |
2655 | // - the layer number, which determines the displacement and naming of sensitive volumes | |
2656 | // - a TArrayD passed by reference which will contain the size of virtual box containing the stave | |
2657 | // - the TGeoManager | |
2658 | // | |
2659 | ||
2660 | // create the container | |
2661 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form("LAY%d_STAVE", layer)); | |
2662 | ||
2663 | // define the indexes of the ladders in order to have the correct order | |
2664 | // keeping in mind that the staves will be inserted as they are on layer 2, while | |
2665 | // they are rotated around their local Y axis when inserted on layer 1, so in this case | |
2666 | // they must be put in the "wrong" order to turn out to be right at the end | |
2667 | // The convention is: | |
2668 | // -|Zmax| ------> |Zmax| | |
2669 | // 3 2 1 0 | |
2670 | // with respect to the "native" stave reference frame, "left" is in the positive Z | |
2671 | // this leads the definition of these indexes: | |
2672 | ||
2673 | Int_t idxCentralL, idxSideL, idxCentralR, idxSideR; | |
2674 | if (layer == 1) { | |
2675 | idxSideL = 3; | |
2676 | idxCentralL = 2; | |
2677 | idxCentralR = 1; | |
2678 | idxSideR = 0; | |
2679 | } | |
2680 | else { | |
2681 | idxSideL = 0; | |
2682 | idxCentralL = 1; | |
2683 | idxCentralR = 2; | |
2684 | idxSideR = 3; | |
2685 | } | |
2686 | ||
2687 | // create the two half-staves | |
2688 | TArrayD sizeL(3), sizeR(3); | |
2689 | TGeoVolumeAssembly *hstaveL = CreateHalfStave(kFALSE, layer, idxCentralL, idxSideL, sizeL, addClips, mgr); | |
2690 | TGeoVolumeAssembly *hstaveR = CreateHalfStave(kTRUE, layer, idxCentralR, idxSideR, sizeR, addClips, mgr); | |
2691 | ||
2692 | // copy the size to the stave's one | |
2693 | sizes[0] = sizeL[0]; | |
2694 | sizes[1] = sizeR[1] + sizeL[1]; | |
2695 | sizes[2] = sizeL[2]; | |
2696 | ||
2697 | // add to container all objects | |
2698 | container->AddNode(hstaveL, 1); | |
2699 | container->AddNode(hstaveR, 1); | |
2700 | ||
2701 | return container; | |
2702 | } | |
2703 | // | |
2704 | //__________________________________________________________________________________________ | |
2705 | void AliITSv11GeometrySPD::SetAddStave(Bool_t *mask) | |
2706 | { | |
2707 | // | |
2708 | // Define a mask which states qhich staves must be placed. | |
2709 | // It is a string which must contain '0' or '1' depending if | |
2710 | // a stave must be placed or not. | |
2711 | // Each place is referred to one of the staves, so the first | |
2712 | // six characters of the string will be checked. | |
2713 | // | |
2714 | ||
2715 | Int_t i; | |
2716 | for (i = 0; i < 6; i++) fAddStave[i] = mask[i]; | |
2717 | } | |
2718 | // | |
2719 | //__________________________________________________________________________________________ | |
2720 | void AliITSv11GeometrySPD::StavesInSector(TGeoVolume *moth, TGeoManager *mgr) { | |
2721 | // | |
592651e2 | 2722 | // Unification of essentially two methods: |
2723 | // - the one which creates the sector structure | |
2724 | // - the one which returns the complete stave | |
2725 | // --- | |
2726 | // For compatibility, this method requires the same arguments | |
2727 | // asked by "CarbonFiberSector" method, which is recalled here. | |
2728 | // Like this cited method, this one does not return any value, | |
2729 | // but it inserts in the mother volume (argument 'moth') all the stuff | |
2730 | // which composes the complete SPD sector. | |
2731 | // --- | |
bc3498f4 | 2732 | // In the following, the stave numbering order used for arrays is the same as |
2733 | // defined in the GetSectorMountingPoints(): | |
2734 | // /5 | |
2735 | // /\/4 | |
2736 | // 1\ \/3 | |
2737 | // 0|___\/2 | |
2738 | // --- | |
592651e2 | 2739 | // Arguments: see description of "CarbonFiberSector" method. |
2740 | // | |
2741 | ||
bc3498f4 | 2742 | Double_t shift[6]; // shift from the innermost position in the sector placement plane |
2743 | // (where the stave edge is in the point where the rounded corner begins) | |
2744 | ||
2745 | shift[0] = fgkmm * -0.691; | |
2746 | shift[1] = fgkmm * 1.300; | |
2747 | shift[2] = fgkmm * 1.816; | |
2748 | shift[3] = fgkmm * -0.610; | |
2749 | shift[4] = fgkmm * -0.610; | |
2750 | shift[5] = fgkmm * -0.610; | |
2751 | ||
2752 | // create stave volumes (different for layer 1 and 2) | |
2753 | TArrayD staveSizes1(3), staveSizes2(3); | |
2754 | Double_t &staveHeight = staveSizes1[2], &staveThickness = staveSizes1[0]; | |
2755 | TGeoVolume *stave1 = CreateStave(1, staveSizes1, kFALSE, mgr); | |
2756 | TGeoVolume *stave2clips = CreateStave(2, staveSizes2, kTRUE, mgr); | |
2757 | TGeoVolume *stave2noclips = CreateStave(2, staveSizes2, kFALSE, mgr); | |
2758 | ||
2759 | Double_t xL, yL; // leftmost edge of mounting point (XY projection) | |
2760 | Double_t xR, yR; // rightmost edge of mounting point (XY projection) | |
2761 | Double_t xM, yM; // middle point of the segment L-R | |
2762 | Double_t dx, dy; // (xL - xR) and (yL - yR) | |
2763 | Double_t widthLR; // width of the segment L-R | |
2764 | Double_t angle; // stave rotation angle in degrees | |
2765 | Double_t diffWidth; // difference between mounting plane width and stave width (smaller) | |
2766 | Double_t xPos, yPos; // final translation of the stave | |
2767 | Double_t parMovement; // translation in the LR plane direction | |
2768 | ||
2769 | // loop on staves | |
592651e2 | 2770 | for (Int_t i = 0; i < 6; i++) { |
bc3498f4 | 2771 | // in debug mode, if this stave is not required, it is skipped |
2772 | if (!fAddStave[i]) continue; | |
2773 | // retrieve reference points | |
2774 | GetSectorMountingPoints(i, xL, yL, xR, yR); | |
2775 | xM = 0.5 * (xL + xR); | |
2776 | yM = 0.5 * (yL + yR); | |
2777 | dx = xL - xR; | |
2778 | dy = yL - yR; | |
2779 | angle = TMath::ATan2(dy, dx); | |
2780 | widthLR = TMath::Sqrt(dx*dx + dy*dy); | |
2781 | diffWidth = 0.5*(widthLR - staveHeight); | |
2782 | // first, a movement along this plane must be done | |
2783 | // by an amount equal to the width difference | |
2784 | // and then the fixed shift must also be added | |
2785 | parMovement = diffWidth + shift[i]; | |
2786 | // due to stave thickness, another movement must be done | |
2787 | // in the direction normal to the mounting plane | |
2788 | // which is computed using an internal method, in a reference frame where the LR segment | |
2789 | // has its middle point in the origin and axes parallel to the master reference frame | |
2790 | if (i == 0) { | |
2791 | ParallelPosition(-0.5*staveThickness, -parMovement, angle, xPos, yPos); | |
2792 | } | |
2793 | if (i == 1) { | |
2794 | ParallelPosition( 0.5*staveThickness, -parMovement, angle, xPos, yPos); | |
2795 | } | |
2796 | else { | |
2797 | ParallelPosition( 0.5*staveThickness, parMovement, angle, xPos, yPos); | |
592651e2 | 2798 | } |
2799 | // then we go into the true reference frame | |
bc3498f4 | 2800 | xPos += xM; |
2801 | yPos += yM; | |
592651e2 | 2802 | // using the parameters found here, compute the |
2803 | // translation and rotation of this stave: | |
2804 | TGeoRotation *rot = new TGeoRotation(*gGeoIdentity); | |
bc3498f4 | 2805 | if (i == 0 || i == 1) rot->RotateX(180.0); |
2806 | rot->RotateZ(90.0 + angle * TMath::RadToDeg()); | |
2807 | TGeoCombiTrans *trans = new TGeoCombiTrans(xPos, yPos, 0.0, rot); | |
2808 | if (i == 0 || i == 1) { | |
2809 | moth->AddNode(stave1, i, trans); | |
2810 | } | |
2811 | else { | |
2812 | if (i == 2) { | |
2813 | moth->AddNode(stave2noclips, i, trans); | |
2814 | } | |
2815 | else { | |
2816 | moth->AddNode(stave2clips, i, trans); | |
2817 | } | |
2818 | } | |
2819 | } | |
592651e2 | 2820 | } |
bc3498f4 | 2821 | // |
2822 | //__________________________________________________________________________________________ | |
2823 | void AliITSv11GeometrySPD::ParallelPosition(Double_t dist1, Double_t dist2, | |
2824 | Double_t phi, Double_t &x, Double_t &y) const { | |
592651e2 | 2825 | // Performs the following steps: |
bc3498f4 | 2826 | // 1 - finds a straight line parallel to the one passing through the origin and with angle 'phi' with X axis |
2827 | // (phi in RADIANS); | |
2828 | // 2 - finds another line parallel to the previous one, with a distance 'dist1' from it | |
2829 | // 3 - takes a reference point in the second line in the intersection between the normal to both lines | |
2830 | // passing through the origin | |
2831 | // 4 - finds a point whith has distance 'dist2' from this reference, in the second line (point 2) | |
592651e2 | 2832 | // ---- |
bc3498f4 | 2833 | // According to the signs given to dist1 and dist2, the point is found in different position w.r. to the origin |
2834 | // | |
2835 | ||
592651e2 | 2836 | // compute the point |
2837 | Double_t cs = TMath::Cos(phi); | |
2838 | Double_t sn = TMath::Sin(phi); | |
2839 | ||
2840 | x = dist2*cs - dist1*sn; | |
2841 | y = dist1*cs + dist2*sn; | |
2842 | } | |
bc3498f4 | 2843 | // |
2844 | //__________________________________________________________________________________________ | |
2845 | void AliITSv11GeometrySPD::CreateFigure0(const Char_t *filepath, | |
2846 | const Char_t *type, | |
2847 | TGeoManager *mgr) const { | |
2848 | // Creates Figure 0 for the documentation of this class. In this | |
2849 | // specific case, it creates the X,Y cross section of the SPD suport | |
2850 | // section, center and ends. The output is written to a standard | |
2851 | // file name to the path specificed. | |
2852 | // Inputs: | |
2853 | // const Char_t *filepath Path where the figure is to be drawn | |
2854 | // const Char_t *type The type of file, default is gif. | |
2855 | // TGeoManager *mgr The TGeoManager default gGeoManager | |
2856 | // Output: | |
2857 | // none. | |
2858 | // Return: | |
2859 | // none. | |
2860 | TGeoXtru *sA0,*sA1,*sB0,*sB1; | |
2861 | //TPolyMarker *pmA,*pmB; | |
2862 | TPolyLine plA0,plA1,plB0,plB1; | |
2863 | TCanvas *canvas; | |
2864 | TLatex txt; | |
2865 | Double_t x=0.0,y=0.0; | |
2866 | Int_t i,kNRadii=6; | |
2867 | ||
2868 | if(strcmp(filepath,"")){ | |
2869 | Error("CreateFigure0","filepath=%s type=%s",filepath,type); | |
2870 | } // end if | |
2871 | // | |
2872 | sA0 = (TGeoXtru*) mgr->GetVolume( | |
2873 | "ITSSPDCarbonFiberSupportSectorA0_1")->GetShape(); | |
2874 | sA1 = (TGeoXtru*) mgr->GetVolume( | |
2875 | "ITSSPDCarbonFiberSupportSectorAirA1_1")->GetShape(); | |
2876 | sB0 = (TGeoXtru*) mgr->GetVolume( | |
2877 | "ITSSPDCarbonFiberSupportSectorEndB0_1")->GetShape(); | |
2878 | sB1 = (TGeoXtru*) mgr->GetVolume( | |
2879 | "ITSSPDCarbonFiberSupportSectorEndAirB1_1")->GetShape(); | |
2880 | //pmA = new TPolyMarker(); | |
2881 | //pmA.SetMarkerStyle(2); // + | |
2882 | //pmA.SetMarkerColor(7); // light blue | |
2883 | //pmB = new TPolyMarker(); | |
2884 | //pmB.SetMarkerStyle(5); // X | |
2885 | //pmB.SetMarkerColor(6); // purple | |
2886 | plA0.SetPolyLine(sA0->GetNvert()); | |
2887 | plA0.SetLineColor(1); // black | |
2888 | plA0.SetLineStyle(1); | |
2889 | plA1.SetPolyLine(sA1->GetNvert()); | |
2890 | plA1.SetLineColor(2); // red | |
2891 | plA1.SetLineStyle(1); | |
2892 | plB0.SetPolyLine(sB0->GetNvert()); | |
2893 | plB0.SetLineColor(3); // Green | |
2894 | plB0.SetLineStyle(2); | |
2895 | plB1.SetPolyLine(sB1->GetNvert()); | |
2896 | plB1.SetLineColor(4); // Blue | |
2897 | plB1.SetLineStyle(2); | |
2898 | //for(i=0;i<kNRadii;i++) pmA.SetPoint(i,xyB1p[i][0],xyB1p[i][1]); | |
2899 | //for(i=0;i<kNRadii;i++) pmB.SetPoint(i,xyB1p[i][0],xyB1p[i][1]); | |
2900 | for(i=0;i<sA0->GetNvert();i++) plA0.SetPoint(i,sA0->GetX(i),sA0->GetY(i)); | |
2901 | for(i=0;i<sA1->GetNvert();i++) plA1.SetPoint(i,sA1->GetX(i),sA1->GetY(i)); | |
2902 | for(i=0;i<sB0->GetNvert();i++) plB0.SetPoint(i,sB0->GetX(i),sB0->GetY(i)); | |
2903 | for(i=0;i<sB1->GetNvert();i++) plB1.SetPoint(i,sB1->GetX(i),sB1->GetY(i)); | |
2904 | canvas = new TCanvas("AliITSv11GeometrySPDFig0","",1000,1000); | |
2905 | canvas->Range(-3.,-3.,3.,3.); | |
2906 | txt.SetTextSize(0.05); | |
2907 | txt.SetTextAlign(33); | |
2908 | txt.SetTextColor(1); | |
2909 | txt.DrawLatex(2.9,2.9,"Section A-A outer Carbon Fiber surface"); | |
2910 | txt.SetTextColor(2); | |
2911 | txt.DrawLatex(2.9,2.5,"Section A-A Inner Carbon Fiber surface"); | |
2912 | txt.SetTextColor(3); | |
2913 | txt.DrawLatex(2.9,2.1,"Section E-E outer Carbon Fiber surface"); | |
2914 | txt.SetTextColor(4); | |
2915 | txt.DrawLatex(2.9,1.7,"Section E-E Inner Carbon Fiber surface"); | |
2916 | plA0.Draw(); | |
2917 | plA1.Draw(); | |
2918 | plB0.Draw(); | |
2919 | plB1.Draw(); | |
2920 | //pmA.Draw(); | |
2921 | //pmB.Draw(); | |
2922 | // | |
2923 | x = 1.0; | |
2924 | y = -2.5; | |
2925 | Char_t chr[3]; | |
2926 | for(i=0;i<kNRadii;i++){ | |
2927 | sprintf(chr,"%2d",i);txt.DrawLatex(x-0.1,y,chr); | |
2928 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x,y,chr); | |
2929 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+0.5,y,chr); | |
2930 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+1.0,y,chr); | |
2931 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+1.5,y,chr); | |
2932 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+2.0,y,chr); | |
2933 | if(kTRUE) txt.DrawLatex(x+2.5,y,"A-A/E-E"); | |
2934 | else txt.DrawLatex(x+2.5,y,"E-E"); | |
2935 | } // end for i | |
2936 | txt.DrawLatex(x,y,"x_{c} mm"); | |
2937 | txt.DrawLatex(x+0.5,y,"y_{c} mm"); | |
2938 | txt.DrawLatex(x+1.0,y,"R mm"); | |
2939 | txt.DrawLatex(x+1.5,y,"#theta_{start}^{#circle}"); | |
2940 | txt.DrawLatex(x+2.0,y,"#theta_{end}^{#circle}"); | |
2941 | txt.DrawLatex(x+2.5,y,"Section"); | |
2942 | // | |
2943 | } | |
2944 | // | |
2945 | //__________________________________________________________________________________________ | |
2946 | void AliITSv11GeometrySPD::PrintAscii(ostream *os)const{ | |
2947 | // Print out class data values in Ascii Form to output stream | |
2948 | // Inputs: | |
2949 | // ostream *os Output stream where Ascii data is to be writen | |
2950 | // Outputs: | |
2951 | // none. | |
2952 | // Return: | |
2953 | // none. | |
2954 | #if defined __GNUC__ | |
2955 | #if __GNUC__ > 2 | |
2956 | ios::fmtflags fmt = cout.flags(); | |
2957 | #else | |
2958 | Int_t fmt; | |
2959 | #endif | |
2960 | #else | |
2961 | #if defined __ICC || defined __ECC || defined __xlC__ | |
2962 | ios::fmtflags fmt; | |
2963 | #else | |
2964 | Int_t fmt; | |
2965 | #endif | |
2966 | #endif | |
2967 | os->flags(fmt); // reset back to old Formating. | |
2968 | return; | |
2969 | } | |
2970 | // | |
2971 | //__________________________________________________________________________________________ | |
2972 | void AliITSv11GeometrySPD::ReadAscii(istream* /* is */){ | |
2973 | // Read in class data values in Ascii Form to output stream | |
2974 | // Inputs: | |
2975 | // istream *is Input stream where Ascii data is to be read in from | |
2976 | // Outputs: | |
2977 | // none. | |
2978 | // Return: | |
2979 | // none. | |
2980 | } | |
2981 | // | |
2982 | //__________________________________________________________________________________________ | |
2983 | ostream &operator<<(ostream &os,const AliITSv11GeometrySPD &s){ | |
2984 | // Standard output streaming function | |
2985 | // Inputs: | |
2986 | // ostream &os output steam | |
2987 | // AliITSvPPRasymmFMD &s class to be streamed. | |
2988 | // Output: | |
2989 | // none. | |
2990 | // Return: | |
2991 | // ostream &os The stream pointer | |
2992 | ||
2993 | s.PrintAscii(&os); | |
2994 | return os; | |
2995 | } | |
2996 | // | |
2997 | //__________________________________________________________________________________________ | |
2998 | istream &operator>>(istream &is,AliITSv11GeometrySPD &s){ | |
2999 | // Standard inputput streaming function | |
3000 | // Inputs: | |
3001 | // istream &is input steam | |
3002 | // AliITSvPPRasymmFMD &s class to be streamed. | |
3003 | // Output: | |
3004 | // none. | |
3005 | // Return: | |
3006 | // ostream &os The stream pointer | |
3007 | ||
3008 | s.ReadAscii(&is); | |
3009 | return is; | |
3010 | } | |
3011 | // | |
3012 | //__________________________________________________________________________________________ | |
3013 | Bool_t AliITSv11GeometrySPD::Make2DCrossSections(TPolyLine &a0,TPolyLine &a1, | |
3014 | TPolyLine &b0,TPolyLine &b1,TPolyMarker &p)const{ | |
297369a1 | 3015 | // Fill the objects with the points representing |
3016 | // a0 the outer carbon fiber SPD sector shape Cross Section A | |
3017 | // a1 the inner carbon fiber SPD sector shape Cross Section A | |
3018 | // b0 the outer carbon fiber SPD sector shape Cross Section B | |
3019 | // b1 the inner carbon fiber SPD sector shape Cross Section B | |
3020 | // | |
3021 | // Inputs: | |
3022 | // TPolyLine &a0 The outer carbon fiber SPD sector shape | |
3023 | // TPolyLine &a1 The Inner carbon fiber SPD sector shape | |
3024 | // TPolyLine &b0 The outer carbon fiber SPD sector shape | |
3025 | // TPolyLine &b1 The Inner carbon fiber SPD sector shape | |
3026 | // TPolyMarker &p The points where the ladders are to be placed | |
3027 | // Outputs: | |
3028 | // TPolyLine &a0 The shape filled with the points | |
3029 | // TPolyLine &a1 The shape filled with the points | |
3030 | // TPolyLine &b0 The shape filled with the points | |
3031 | // TPolyLine &b1 The shape filled with the points | |
3032 | // TPolyMarker &p The filled array of points | |
3033 | // Return: | |
3034 | // An error flag. | |
3035 | Int_t n0,n1,i; | |
3036 | Double_t x,y; | |
3037 | TGeoVolume *a0V,*a1V,*b0V,*b1V; | |
3038 | TGeoXtru *a0S,*a1S,*b0S,*b1S; | |
3039 | TGeoManager *mgr = gGeoManager; | |
3040 | ||
bc3498f4 | 3041 | a0V = mgr->GetVolume("ITS SPD Carbon fiber support Sector A0"); |
297369a1 | 3042 | a0S = dynamic_cast<TGeoXtru*>(a0V->GetShape()); |
3043 | n0 = a0S->GetNvert(); | |
3044 | a0.SetPolyLine(n0+1); | |
3045 | //for(i=0;i<fSPDsectorPoints0.GetSize();i++) | |
3046 | // printf("%d %d %d\n",i,fSPDsectorPoints0[i],fSPDsectorPoints1[i]); | |
3047 | for(i=0;i<n0;i++){ | |
3048 | x = a0S->GetX(i); | |
bc3498f4 | 3049 | y = a0S->GetY(i); |
3050 | //printf("%d %g %g\n",i,x,y); | |
297369a1 | 3051 | a0.SetPoint(i,x,y); |
bc3498f4 | 3052 | if(i==0) a0.SetPoint(n0,x,y); |
297369a1 | 3053 | } // end for i |
3054 | a1V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorAirA1"); | |
3055 | a1S = dynamic_cast<TGeoXtru*>(a1V->GetShape()); | |
3056 | n1 = a1S->GetNvert(); | |
3057 | a1.SetPolyLine(n1+1); | |
3058 | for(i=0;i<n1;i++){ | |
3059 | x = a1S->GetX(i); | |
bc3498f4 | 3060 | y = a1S->GetY(i); |
297369a1 | 3061 | a1.SetPoint(i,x,y); |
bc3498f4 | 3062 | if(i==0) a1.SetPoint(n1,x,y); |
297369a1 | 3063 | } // end for i |
3064 | // Cross Section B | |
3065 | b0V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorEndB0"); | |
3066 | b0S = dynamic_cast<TGeoXtru*>(b0V->GetShape()); | |
3067 | n0 = b0S->GetNvert(); | |
3068 | b0.SetPolyLine(n0+1); | |
3069 | for(i=0;i<n0;i++){ | |
3070 | x = b0S->GetX(i); | |
bc3498f4 | 3071 | y = b0S->GetY(i); |
297369a1 | 3072 | b0.SetPoint(i,x,y); |
bc3498f4 | 3073 | if(i==0) b0.SetPoint(n0,x,y); |
297369a1 | 3074 | } // end for i |
3075 | b1V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorEndAirB1"); | |
3076 | b1S = dynamic_cast<TGeoXtru*>(b1V->GetShape()); | |
3077 | n1 = b1S->GetNvert(); | |
3078 | b1.SetPolyLine(n1+1); | |
3079 | for(i=0;i<n1;i++){ | |
3080 | x = b1S->GetX(i); | |
bc3498f4 | 3081 | y = b1S->GetY(i); |
297369a1 | 3082 | b1.SetPoint(i,x,y); |
bc3498f4 | 3083 | if(i==0) b1.SetPoint(n1,x,y); |
297369a1 | 3084 | } // end for i |
3085 | // | |
3086 | Double_t x0,y0,x1,y1; | |
bc3498f4 | 3087 | p.SetPolyMarker(2*fSPDsectorX0.GetSize()); |
3088 | for(i=0;i<fSPDsectorX0.GetSize();i++){ | |
3089 | GetSectorMountingPoints(i,x0,y0,x1,y1); | |
3090 | p.SetPoint(2*i,x0,y0); | |
3091 | p.SetPoint(2*i+1,x1,y1); | |
297369a1 | 3092 | } // end for i |
3093 | return kTRUE; | |
3094 | } |