]>
Commit | Line | Data |
---|---|---|
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> |
592651e2 | 37 | #include <TGeoTube.h> // contains TGeoTubeSeg |
db486a6e | 38 | #include <TGeoEltu.h> |
39 | #include <TGeoXtru.h> | |
db486a6e | 40 | #include <TGeoMatrix.h> |
a53658c6 | 41 | #include <TGeoMaterial.h> |
42 | #include <TGeoMedium.h> | |
592651e2 | 43 | #include <TGeoCompositeShape.h> |
bc3498f4 | 44 | |
592651e2 | 45 | // AliRoot includes |
bc3498f4 | 46 | #include "AliLog.h" |
a53658c6 | 47 | #include "AliMagF.h" |
48 | #include "AliRun.h" | |
bc3498f4 | 49 | |
592651e2 | 50 | // Declaration file |
db486a6e | 51 | #include "AliITSv11GeometrySPD.h" |
52 | ||
7855ea93 | 53 | // Constants definition |
54 | const Double_t AliITSv11GeometrySPD::fgkGapLadder = AliITSv11Geometry::fgkmm * 0.075; // 75 um (expressed in cm) | |
55 | const Double_t AliITSv11GeometrySPD::fgkGapHalfStave = AliITSv11Geometry::fgkmm * 0.120; // 120 um (expressed in cm) | |
56 | ||
db486a6e | 57 | ClassImp(AliITSv11GeometrySPD) |
58 | ||
bc3498f4 | 59 | //#define SQ(A) (A)*(A) |
db486a6e | 60 | |
7855ea93 | 61 | AliITSv11GeometrySPD::AliITSv11GeometrySPD() : |
62 | AliITSv11Geometry(), | |
bc3498f4 | 63 | fSPDsectorX0(0), fSPDsectorY0(0), fSPDsectorX1(0), fSPDsectorY1(0) |
64 | { | |
65 | // | |
66 | // Default constructor. | |
67 | // This does not initialize anything and is provided just for completeness. | |
68 | // It is recommended to use the other one. | |
69 | // The alignment gap is specified as argument (default = 0.0075 cm). | |
1b2b32e7 | 70 | // |
bc3498f4 | 71 | Int_t i = 0; |
72 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; | |
73 | } | |
74 | // | |
75 | //__________________________________________________________________________________________ | |
7855ea93 | 76 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(Int_t debug): |
77 | AliITSv11Geometry(debug), | |
bc3498f4 | 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). | |
1b2b32e7 | 85 | // |
bc3498f4 | 86 | Int_t i = 0; |
87 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; | |
88 | } | |
89 | // | |
90 | //__________________________________________________________________________________________ | |
91 | TGeoMedium* AliITSv11GeometrySPD::GetMedium(const char* mediumName, TGeoManager *mgr) const | |
92 | { | |
93 | // | |
94 | // This function is used to recovery any medium | |
95 | // used to build the geometry volumes. | |
96 | // If the required medium does not exists, | |
97 | // a NULL pointer is returned, and an error message is written. | |
98 | // | |
99 | ||
100 | Char_t itsMediumName[30]; | |
101 | sprintf(itsMediumName, "ITS_%s", mediumName); | |
102 | TGeoMedium* medium = mgr->GetMedium(itsMediumName); | |
103 | if (!medium) AliError(Form("Medium <%s> not found", mediumName)); | |
104 | ||
105 | return medium; | |
106 | } | |
107 | // | |
108 | //__________________________________________________________________________________________ | |
59da35b6 | 109 | Int_t AliITSv11GeometrySPD::CreateSPDCentralMaterials(Int_t &medOffset, Int_t &matOffset) const |
592651e2 | 110 | { |
bc3498f4 | 111 | // |
112 | // Define the specific materials used for the ITS SPD central detectors. | |
113 | // --- | |
114 | // NOTE: These are the same old names. | |
115 | // By the ALICE naming conventions, they start with "ITS SPD ...." | |
116 | // Data taken from ** AliITSvPPRasymmFMD::CreateMaterials() **. | |
117 | // --- | |
118 | // Arguments [the ones passed by reference contain output values]: | |
119 | // - medOffset --> (by ref) starting number of the list of media | |
120 | // - matOffset --> (by ref) starting number of the list of Materials | |
121 | // --- | |
122 | // Return value: | |
123 | // - the last material index used + 1 (= next avaiable material index) | |
124 | // --- | |
125 | // Begin_Html | |
126 | /* | |
127 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
128 | title="SPD Sector drawing with all cross sections defined"> | |
129 | <p>The SPD Sector definition. In | |
130 | <a href="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.hpgl">HPGL</a> format. | |
131 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly-10-modules.ps" | |
132 | titile="SPD All Sectors end view with thermal sheald"> | |
133 | <p>The SPD all sector end view with thermal sheald. | |
134 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
135 | title="SPD side view cross section"> | |
136 | <p>SPD side view cross section with condes and thermal shealds. | |
137 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-A_A.jpg" | |
138 | title="Cross section A-A"><p>Cross section A-A. | |
139 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-B_B.jpg" | |
140 | title="Cross section B-B"><p>Cross section B-B. | |
141 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-C_C.jpg" | |
142 | title-"Cross section C-C"><p>Cross section C-C. | |
143 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-D_D.jpg" | |
144 | title="Cross section D-D"><p>Cross section D-D. | |
145 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-E_E.jpg" | |
146 | title="Cross section E-E"><p>Cross section E-E. | |
147 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-F_F.jpg" | |
148 | title="Cross section F-F"><p>Cross section F-F. | |
149 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-G_G.jpg" | |
150 | title="Cross section G-G"><p>Cross section G-G. | |
151 | */ | |
152 | // End_Html | |
153 | // | |
154 | const Double_t ktmaxfd = 0.1 * fgkDegree; // Degree | |
155 | const Double_t kstemax = 1.0 * fgkcm; // cm | |
156 | const Double_t kdeemax = 0.1;//Fraction of particle's energy 0<deemax<=1 | |
157 | const Double_t kepsil = 1.0E-4; // | |
158 | const Double_t kstmin = 0.0 * fgkcm; // cm "Default value used" | |
159 | const Double_t ktmaxfdAir = 0.1 * fgkDegree; // Degree | |
160 | const Double_t kstemaxAir = 1.0000E+00 * fgkcm; // cm | |
161 | const Double_t kdeemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1 | |
162 | const Double_t kepsilAir = 1.0E-4;// | |
163 | const Double_t kstminAir = 0.0 * fgkcm; // cm "Default value used" | |
164 | const Double_t ktmaxfdSi = 0.1 * fgkDegree; // .10000E+01; // Degree | |
165 | const Double_t kstemaxSi = 0.0075 * fgkcm; // .10000E+01; // cm | |
166 | const Double_t kdeemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1 | |
167 | const Double_t kepsilSi = 1.0E-4;// | |
168 | const Double_t kstminSi = 0.0 * fgkcm; // cm "Default value used" | |
169 | ||
170 | Int_t matindex = matOffset; | |
171 | Int_t medindex = medOffset; | |
172 | TGeoMaterial *mat; | |
173 | TGeoMixture *mix; | |
174 | TGeoMedium *med; | |
175 | ||
176 | Int_t ifield = (gAlice->Field()->Integ()); | |
177 | Double_t fieldm = (gAlice->Field()->Max()); | |
178 | Double_t params[8] = {8 * 0.0}; | |
179 | params[1] = (Double_t) ifield; | |
180 | params[2] = fieldm; | |
181 | params[3] = ktmaxfdSi; | |
182 | params[4] = kstemaxSi; | |
183 | params[5] = kdeemaxSi; | |
184 | params[6] = kepsilSi; | |
185 | params[7] = kstminSi; | |
186 | ||
187 | // | |
188 | // Definition of materials and mediums. | |
189 | // Last argument in material definition is its pressure, | |
190 | // which is initialized to ZERO. | |
191 | // For better readability, it is simply set to zero. | |
192 | // Then the writing "0.0 * fgkPascal" is replaced by "0." | |
193 | // (Alberto) | |
194 | // | |
195 | ||
196 | // silicon definition for ITS (overall) | |
197 | mat = new TGeoMaterial("ITS_SI", 28.086, 14.0, 2.33 * fgkgcm3, | |
198 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
199 | mat->SetIndex(matindex); | |
200 | med = new TGeoMedium("SI", medindex++, mat, params); | |
201 | ||
202 | // silicon for ladder chips | |
203 | mat = new TGeoMaterial("SPD SI CHIP", 28.086, 14.0, 2.33 * fgkgcm3, | |
204 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
205 | mat->SetIndex(matindex); | |
206 | med = new TGeoMedium("SPD SI CHIP", medindex++, mat, params); | |
207 | ||
208 | // silicon for pixel bus | |
209 | mat = new TGeoMaterial("SPD SI BUS", 28.086, 14.0, 2.33 * fgkgcm3, | |
210 | TGeoMaterial::kMatStateSolid, 25.0 * fgkCelsius, 0.); | |
211 | mat->SetIndex(matindex); | |
212 | med = new TGeoMedium("SPD SI BUS", medindex++, mat, params); | |
213 | ||
214 | // carbon fiber material is defined as a mix of C-O-N-H | |
215 | // defined in terms of fractional weights according to 'C (M55J)' | |
216 | // it is used for the support and clips | |
217 | mix = new TGeoMixture("C (M55J)", 4, 1.9866 * fgkgcm3); | |
218 | mix->SetIndex(matindex); | |
219 | mix->DefineElement(0, 12.01070, 6.0, 0.908508078); // C by fractional weight | |
220 | mix->DefineElement(1, 14.00670, 7.0, 0.010387573); // N by fractional weight | |
221 | mix->DefineElement(2, 15.99940, 8.0, 0.055957585); // O by fractional weight | |
222 | mix->DefineElement(3, 1.00794, 1.0, 0.025146765); // H by fractional weight | |
223 | mix->SetPressure(0.0 * fgkPascal); | |
224 | mix->SetTemperature(25.0 * fgkCelsius); | |
225 | mix->SetState(TGeoMaterial::kMatStateSolid); | |
226 | params[3] = ktmaxfd; | |
227 | params[4] = kstemax; | |
228 | params[5] = kdeemax; | |
229 | params[6] = kepsil; | |
230 | params[7] = kstmin; | |
231 | med = new TGeoMedium("ITSspdCarbonFiber", medindex++, mix, params); | |
232 | ||
233 | // air defined as a mixture of C-N-O-Ar: | |
234 | // it is used to fill all containers | |
235 | mix = new TGeoMixture("Air", 4, 1.20479E-3 * fgkgcm3); | |
236 | mix->SetIndex(matindex); | |
237 | mix->DefineElement(0, 12.0107, 6.0, 0.000124); // C by fractional weight | |
238 | mix->DefineElement(1, 14.0067, 7.0, 0.755267); // N by fractional weight | |
239 | mix->DefineElement(2, 15.9994, 8.0, 0.231781); // O by fractional weight | |
240 | mix->DefineElement(3, 39.9480, 18.0, 0.012827); // Ar by fractional weight | |
241 | mix->SetPressure(101325.0 * fgkPascal); // = 1 atmosphere | |
242 | mix->SetTemperature(25.0 * fgkCelsius); | |
243 | mix->SetState(TGeoMaterial::kMatStateGas); | |
244 | params[3] = ktmaxfdAir; | |
245 | params[4] = kstemaxAir; | |
246 | params[5] = kdeemaxAir; | |
247 | params[6] = kepsilAir; | |
248 | params[7] = kstminAir; | |
249 | med = new TGeoMedium("ITSspdAir", medindex++, mix, params); | |
250 | ||
251 | // inox stainless steel, defined as a mixture | |
252 | // used for all metallic parts | |
253 | mix = new TGeoMixture("INOX", 9, 8.03 * fgkgcm3); | |
254 | mix->SetIndex(matindex); | |
255 | mix->DefineElement(0, 12.0107, 6., .0003); // C by fractional weight | |
256 | mix->DefineElement(1, 54.9380, 25., .02); // Fe by fractional weight | |
257 | mix->DefineElement(2, 28.0855, 14., .01); // Na by fractional weight | |
258 | mix->DefineElement(3, 30.9738, 15., .00045); // P by fractional weight | |
259 | mix->DefineElement(4, 32.066 , 16., .0003); // S by fractional weight | |
260 | mix->DefineElement(5, 58.6928, 28., .12); // Ni by fractional weight | |
261 | mix->DefineElement(6, 55.9961, 24., .17); // by fractional weight | |
262 | mix->DefineElement(7, 95.84 , 42., .025); // by fractional weight | |
263 | mix->DefineElement(8, 55.845 , 26., .654); // by fractional weight | |
264 | mix->SetPressure(0.0 * fgkPascal); | |
265 | mix->SetTemperature(25.0 * fgkCelsius); | |
266 | mix->SetState(TGeoMaterial::kMatStateSolid); | |
267 | params[3] = ktmaxfdAir; | |
268 | params[4] = kstemaxAir; | |
269 | params[5] = kdeemaxAir; | |
270 | params[6] = kepsilAir; | |
271 | params[7] = kstminAir; | |
272 | med = new TGeoMedium("ITSspdStainlessSteel", medindex++, mix, params); | |
273 | ||
274 | // freon gas which fills the cooling system (C+F) | |
275 | mix = new TGeoMixture("Freon", 2, 1.63 * fgkgcm3); | |
276 | mix->SetIndex(matindex); | |
277 | mix->DefineElement(0, 12.0107 , 6.0, 4); // C by fractional weight | |
278 | mix->DefineElement(1, 18.9984032, 9.0, 10); // F by fractional weight | |
279 | mix->SetPressure(101325.0 * fgkPascal); // = 1 atmosphere | |
280 | mix->SetTemperature(25.0 * fgkCelsius); | |
281 | mix->SetState(TGeoMaterial::kMatStateLiquid); | |
282 | params[3] = ktmaxfdAir; | |
283 | params[4] = kstemaxAir; | |
284 | params[5] = kdeemaxAir; | |
285 | params[6] = kepsilAir; | |
286 | params[7] = kstminAir; | |
287 | med = new TGeoMedium("ITSspdCoolingFluid", medindex++, mix, params); | |
288 | ||
289 | // return the next index to be used in case of adding new materials | |
290 | medOffset = medindex; | |
291 | matOffset = matindex; | |
292 | return matOffset; | |
a53658c6 | 293 | } |
bc3498f4 | 294 | // |
295 | //__________________________________________________________________________________________ | |
296 | void AliITSv11GeometrySPD::InitSPDCentral(Int_t offset, TVirtualMC *vmc) const | |
297 | { | |
298 | // | |
299 | // Do all SPD Central detector initializations (e.g.: transport cuts). | |
300 | // --- | |
301 | // Here follow some GEANT3 physics switches, which are interesting | |
302 | // for these settings to be defined: | |
303 | // - "MULTS" (MULtiple Scattering): | |
304 | // the variable IMULS controls this process. See [PHYS320/325/328] | |
305 | // 0 - No multiple scattering. | |
306 | // 1 - (DEFAULT) Multiple scattering according to Moliere theory. | |
307 | // 2 - Same as 1. Kept for backward compatibility. | |
308 | // 3 - Pure Gaussian scattering according to the Rossi formula. | |
309 | // - "DRAY" (Delta RAY production) | |
310 | // The variable IDRAY controls this process. See [PHYS430] | |
311 | // 0 - No delta rays production. | |
312 | // 1 - (DEFAULT) Delta rays production with generation of. | |
313 | // 2 - Delta rays production without generation of. | |
314 | // - "LOSS" (continuous energy loss) | |
315 | // The variable ILOSS controls this process. | |
316 | // 0 - No continuous energy loss, IDRAY is set to 0. | |
317 | // 1 - Continuous energy loss with generation of delta rays above | |
318 | // DCUTE (common/GCUTS/) and restricted Landau fluctuations below DCUTE. | |
319 | // 2 - (DEFAULT) Continuous energy loss without generation of delta rays | |
320 | // and full Landau-Vavilov-Gauss fluctuations. | |
321 | // In this case the variable IDRAY is forced to 0 to avoid | |
322 | // double counting of fluctuations. | |
323 | // 3 - Same as 1, kept for backward compatibility. | |
324 | // 4 - Energy loss without fluctuation. | |
325 | // The value obtained from the tables is used directly. | |
326 | // --- | |
327 | // Arguments: | |
328 | // Int_t offset --> the material/medium index offset | |
329 | // TVirtualMC *vmc --> pointer to the virtual Monte Carlo default gMC | |
330 | // | |
a53658c6 | 331 | |
bc3498f4 | 332 | Int_t i, n = 4; |
333 | ||
334 | for(i=0;i<n;i++) { | |
335 | vmc->Gstpar(i+offset, "CUTGAM", 30.0 * fgkKeV); | |
336 | vmc->Gstpar(i+offset, "CUTELE", 30.0 * fgkKeV); | |
337 | vmc->Gstpar(i+offset, "CUTNEU", 30.0 * fgkKeV); | |
338 | vmc->Gstpar(i+offset, "CUTHAD", 30.0 * fgkKeV); | |
339 | vmc->Gstpar(i+offset, "CUTMUO", 30.0 * fgkKeV); | |
340 | vmc->Gstpar(i+offset, "BCUTE", 30.0 * fgkKeV); | |
341 | vmc->Gstpar(i+offset, "BCUTM", 30.0 * fgkKeV); | |
342 | vmc->Gstpar(i+offset, "DCUTE", 30.0 * fgkKeV); | |
343 | vmc->Gstpar(i+offset, "DCUTM", 30.0 * fgkKeV); | |
344 | //vmc->Gstpar(i+offset, "PPCUTM", ); | |
345 | //vmc->Gstpar(i+offset, "PAIR", ); | |
346 | //vmc->Gstpar(i+offset, "COMPT", ); | |
347 | //vmc->Gstpar(i+offset, "PHOT", ); | |
348 | //vmc->Gstpar(i+offset, "PFIS", ); | |
349 | vmc->Gstpar(i+offset, "DRAY", 1); | |
350 | //vmc->Gstpar(i+offset, "ANNI", ); | |
351 | //vmc->Gstpar(i+offset, "BREM", ); | |
352 | //vmc->Gstpar(i+offset, "HADR", ); | |
353 | //vmc->Gstpar(i+offset, "MUNU", ); | |
354 | //vmc->Gstpar(i+offset, "DCAY", ); | |
355 | vmc->Gstpar(i+offset, "LOSS", 1); | |
356 | //vmc->Gstpar(i+offset, "MULS", ); | |
357 | //vmc->Gstpar(i+offset, "GHCOR1", ); | |
358 | //vmc->Gstpar(i+offset, "BIRK1", ); | |
359 | //vmc->Gstpar(i+offset, "BRIK2", ); | |
360 | //vmc->Gstpar(i+offset, "BRIK3", ); | |
361 | //vmc->Gstpar(i+offset, "LABS", ); | |
362 | //vmc->Gstpar(i+offset, "SYNC", ); | |
363 | //vmc->Gstpar(i+offset, "STRA", ); | |
364 | } | |
a53658c6 | 365 | } |
bc3498f4 | 366 | // |
367 | //__________________________________________________________________________________________ | |
368 | void AliITSv11GeometrySPD::SPDSector(TGeoVolume *moth, TGeoManager *mgr) | |
369 | { | |
370 | // | |
371 | // Creates a single SPD carbon fiber sector and places it | |
372 | // in a container volume passed as first argument ('moth'). | |
373 | // Second argument points to the TGeoManager which coordinates | |
374 | // the overall volume creation. | |
375 | // The position of the sector is based on distance of | |
376 | // closest point of SPD stave to beam pipe | |
377 | // (figures all-sections-modules.ps) of 7.22mm at section A-A. | |
378 | // | |
a53658c6 | 379 | |
bc3498f4 | 380 | const Double_t kSPDclossesStaveAA = 7.22 * fgkmm; |
381 | const Double_t kSectorStartingAngle = -72.0 * fgkDegree; | |
382 | const Double_t kNSectorsTotal = 10.0; | |
383 | const Double_t kSectorRelativeAngle = 360.0 / kNSectorsTotal * fgkDegree; | |
384 | const Double_t kBeamPipeRadius = 0.5 * 60.0 * fgkmm; | |
385 | ||
386 | Int_t i; | |
387 | Double_t angle, radiusSector, xAAtubeCenter0, yAAtubeCenter0; | |
388 | Double_t staveThicknessAA = 1.03 * fgkmm; // get from stave geometry. | |
389 | TGeoCombiTrans *secRot = new TGeoCombiTrans(); | |
390 | TGeoVolume *vCarbonFiberSector; | |
391 | TGeoMedium *medSPDcf; | |
392 | ||
393 | // define an assembly and fill it with the support of | |
394 | // a single carbon fiber sector and staves in it | |
395 | medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
396 | vCarbonFiberSector = new TGeoVolumeAssembly("ITSSPDCarbonFiberSectorV"); | |
397 | vCarbonFiberSector->SetMedium(medSPDcf); | |
398 | CarbonFiberSector(vCarbonFiberSector, xAAtubeCenter0, yAAtubeCenter0, mgr); | |
399 | vCarbonFiberSector->SetVisibility(kTRUE); // logical volume | |
400 | ||
401 | // Compute the radial shift out of the sectors | |
402 | radiusSector = kBeamPipeRadius + kSPDclossesStaveAA + staveThicknessAA; | |
403 | radiusSector *= radiusSector; // squaring; | |
404 | radiusSector -= xAAtubeCenter0 * xAAtubeCenter0; | |
405 | radiusSector = -yAAtubeCenter0 + TMath::Sqrt(radiusSector); | |
406 | ||
407 | // add 10 single sectors, by replicating the virtual sector defined above | |
408 | // and placing at different angles | |
409 | Double_t shiftX, shiftY; | |
410 | angle = kSectorStartingAngle; | |
411 | secRot->RotateZ(angle); | |
412 | for(i = 0; i < (Int_t)kNSectorsTotal; i++) { | |
413 | shiftX = -radiusSector * TMath::Sin(angle/fgkRadian); | |
414 | shiftY = radiusSector * TMath::Cos(angle/fgkRadian); | |
415 | secRot->SetDx(shiftX); | |
416 | secRot->SetDy(shiftY); | |
417 | moth->AddNode(vCarbonFiberSector, i+1, new TGeoCombiTrans(*secRot)); | |
418 | if(GetDebug(5)) { | |
419 | AliInfo(Form("i=%d angle=%g angle[rad]=%g radiusSector=%g x=%g y=%g \n", | |
420 | i, angle, angle/fgkRadian, radiusSector, shiftX, shiftY)); | |
421 | } | |
422 | angle += kSectorRelativeAngle; | |
423 | secRot->RotateZ(kSectorRelativeAngle); | |
424 | } | |
425 | if(GetDebug(3)) moth->PrintNodes(); | |
426 | ||
427 | delete secRot; | |
a53658c6 | 428 | } |
bc3498f4 | 429 | // |
430 | //__________________________________________________________________________________________ | |
431 | void AliITSv11GeometrySPD::CarbonFiberSector | |
432 | (TGeoVolume *moth, Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr) | |
433 | { | |
434 | // | |
435 | // Define the detail SPD Carbon fiber support Sector geometry. | |
436 | // Based on the drawings: | |
437 | // - ALICE-Pixel "Costruzione Profilo Modulo" (march 25 2004) | |
438 | // - ALICE-SUPPORTO "Costruzione Profilo Modulo" | |
439 | // --- | |
440 | // Define outside radii as negative, where "outside" means that the | |
441 | // center of the arc is outside of the object (feb 16 2004). | |
442 | // --- | |
443 | // Arguments [the one passed by ref contain output values]: | |
444 | // TGeoVolume *moth --> the voulme which will contain this object | |
445 | // Double_t &xAAtubeCenter0 --> (by ref) x location of the outer surface | |
446 | // of the cooling tube center for tube 0. | |
447 | // Double_t &yAAtubeCenter0 --> (by ref) y location of the outer surface | |
448 | // of the cooling tube center for tube 0. | |
449 | // TGeoManager *mgr --> TGeo builder | |
450 | // --- | |
451 | // Int the two variables passed by reference values will be stored | |
452 | // which will then be used to correctly locate this sector. | |
453 | // The information used for this is the distance between the | |
454 | // center of the #0 detector and the beam pipe. | |
455 | // Measurements are taken at cross section A-A. | |
456 | // | |
457 | ||
458 | //TGeoMedium *medSPDfs = 0; // SPD support cone inserto stesalite 4411w. | |
459 | //TGeoMedium *medSPDfo = 0; // SPD support cone foam, Rohacell 50A. | |
460 | //TGeoMedium *medSPDal = 0; // SPD support cone SDD mounting bracket Al | |
461 | TGeoMedium *medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
462 | TGeoMedium *medSPDss = GetMedium("INOX$", mgr); | |
463 | TGeoMedium *medSPDair = GetMedium("AIR$", mgr); | |
464 | TGeoMedium *medSPDcoolfl = GetMedium("Freon$", mgr); //ITSspdCoolingFluid | |
465 | ||
466 | const Double_t ksecDz = 0.5 * 500.0 * fgkmm; | |
467 | const Double_t ksecLen = 30.0 * fgkmm; | |
468 | const Double_t ksecCthick = 0.2 * fgkmm; | |
469 | const Double_t ksecDipLength = 3.2 * fgkmm; | |
470 | const Double_t ksecDipRadii = 0.4 * fgkmm; | |
471 | //const Double_t ksecCoolingTubeExtraDepth = 0.86 * fgkmm; | |
db486a6e | 472 | |
bc3498f4 | 473 | // The following positions ('ksecX#' and 'ksecY#') and radii ('ksecR#') |
474 | // are the centers and radii of curvature of all the rounded corners | |
475 | // between the straight borders of the SPD sector shape. | |
476 | // To draw this SPD sector, the following steps are followed: | |
477 | // 1) the (ksecX, ksecY) points are plotted | |
478 | // and circles of the specified radii are drawn around them. | |
479 | // 2) each pair of consecutive circles is connected by a line | |
480 | // tangent to them, in accordance with the radii being "internal" or "external" | |
481 | // with respect to the closed shape which describes the sector itself. | |
482 | // The resulting connected shape is the section | |
483 | // of the SPD sector surface in the transverse plane (XY). | |
484 | ||
485 | const Double_t ksecX0 = -10.725 * fgkmm; | |
486 | const Double_t ksecY0 = -14.853 * fgkmm; | |
487 | const Double_t ksecR0 = -0.8 * fgkmm; // external | |
488 | const Double_t ksecX1 = -13.187 * fgkmm; | |
489 | const Double_t ksecY1 = -19.964 * fgkmm; | |
490 | const Double_t ksecR1 = +0.6 * fgkmm; // internal | |
491 | // const Double_t ksecDip0 = 5.9 * fgkmm; | |
492 | ||
493 | const Double_t ksecX2 = -3.883 * fgkmm; | |
494 | const Double_t ksecY2 = -17.805 * fgkmm; | |
495 | const Double_t ksecR2 = +0.80 * fgkmm; // internal (guess) | |
496 | const Double_t ksecX3 = -3.123 * fgkmm; | |
497 | const Double_t ksecY3 = -14.618 * fgkmm; | |
498 | const Double_t ksecR3 = -0.6 * fgkmm; // external | |
499 | //const Double_t ksecDip1 = 8.035 * fgkmm; | |
500 | ||
501 | const Double_t ksecX4 = +11.280 * fgkmm; | |
502 | const Double_t ksecY4 = -14.473 * fgkmm; | |
503 | const Double_t ksecR4 = +0.8 * fgkmm; // internal | |
504 | const Double_t ksecX5 = +19.544 * fgkmm; | |
505 | const Double_t ksecY5 = +10.961 * fgkmm; | |
506 | const Double_t ksecR5 = +0.8 * fgkmm; // internal | |
507 | //const Double_t ksecDip2 = 4.553 * fgkmm; | |
508 | ||
509 | const Double_t ksecX6 = +10.830 * fgkmm; | |
510 | const Double_t ksecY6 = +16.858 * fgkmm; | |
511 | const Double_t ksecR6 = +0.6 * fgkmm; // internal | |
512 | const Double_t ksecX7 = +11.581 * fgkmm; | |
513 | const Double_t ksecY7 = +13.317 * fgkmm; | |
514 | const Double_t ksecR7 = -0.6 * fgkmm; // external | |
515 | //const Double_t ksecDip3 = 6.978 * fgkmm; | |
516 | ||
517 | const Double_t ksecX8 = -0.733 * fgkmm; | |
518 | const Double_t ksecY8 = +17.486 * fgkmm; | |
519 | const Double_t ksecR8 = +0.6 * fgkmm; // internal | |
520 | const Double_t ksecX9 = +0.562 * fgkmm; | |
521 | //const Double_t ksecY9 = +14.486 * fgkmm; // correction by | |
522 | const Double_t ksecY9 = +14.107 * fgkmm; // Alberto | |
523 | const Double_t ksecR9 = -0.6 * fgkmm; // external | |
524 | //const Double_t ksecDip4 = 6.978 * fgkmm; | |
db486a6e | 525 | |
bc3498f4 | 526 | const Double_t ksecX10 = -12.252 * fgkmm; |
527 | const Double_t ksecY10 = +16.298 * fgkmm; | |
528 | const Double_t ksecR10 = +0.6 * fgkmm; // internal | |
529 | const Double_t ksecX11 = -10.445 * fgkmm; | |
530 | const Double_t ksecY11 = +13.162 * fgkmm; | |
531 | const Double_t ksecR11 = -0.6 * fgkmm; // external | |
532 | //const Double_t ksecDip5 = 6.978 * fgkmm; | |
533 | ||
534 | const Double_t ksecX12 = -22.276 * fgkmm; | |
535 | const Double_t ksecY12 = +12.948 * fgkmm; | |
536 | const Double_t ksecR12 = +0.85 * fgkmm; // internal | |
537 | const Double_t ksecR13 = -0.8 * fgkmm; // external | |
538 | const Double_t ksecAngleSide13 = 36.0 * fgkDegree; | |
539 | ||
540 | const Int_t ksecNRadii = 20; | |
541 | const Int_t ksecNPointsPerRadii = 4; | |
542 | const Int_t ksecNCoolingTubeDips = 6; | |
543 | ||
544 | // Since the rounded parts are approximated by a regular polygon | |
545 | // and a cooling tube of the propper diameter must fit, a scaling factor | |
546 | // increases the size of the polygon for the tube to fit. | |
547 | //const Double_t ksecRCoolScale = 1./TMath::Cos(TMath::Pi()/(Double_t)ksecNPointsPerRadii); | |
548 | const Double_t ksecZEndLen = 30.000 * fgkmm; | |
549 | //const Double_t ksecZFlangLen = 45.000 * fgkmm; | |
550 | const Double_t ksecTl = 0.860 * fgkmm; | |
551 | const Double_t ksecCthick2 = 0.600 * fgkmm; | |
552 | //const Double_t ksecCthick3 = 1.80 * fgkmm; | |
553 | //const Double_t ksecSidelen = 22.0 * fgkmm; | |
554 | //const Double_t ksecSideD5 = 3.679 * fgkmm; | |
555 | //const Double_t ksecSideD12 = 7.066 * fgkmm; | |
556 | const Double_t ksecRCoolOut = 2.400 * fgkmm; | |
557 | const Double_t ksecRCoolIn = 2.000 * fgkmm; | |
558 | const Double_t ksecDl1 = 5.900 * fgkmm; | |
559 | const Double_t ksecDl2 = 8.035 * fgkmm; | |
560 | const Double_t ksecDl3 = 4.553 * fgkmm; | |
561 | const Double_t ksecDl4 = 6.978 * fgkmm; | |
562 | const Double_t ksecDl5 = 6.978 * fgkmm; | |
563 | const Double_t ksecDl6 = 6.978 * fgkmm; | |
564 | const Double_t ksecCoolTubeThick = 0.04 * fgkmm; | |
565 | const Double_t ksecCoolTubeROuter = 2.6 * fgkmm; | |
566 | const Double_t ksecCoolTubeFlatX = 3.696 * fgkmm; | |
567 | const Double_t ksecCoolTubeFlatY = 0.68 * fgkmm; | |
568 | //const Double_t ksecBeamX0 = 0.0 * fgkmm; // guess | |
569 | //const Double_t ksecBeamY0 = (15.223 + 40.) * fgkmm; // guess | |
297369a1 | 570 | |
bc3498f4 | 571 | // redefine some of the points already defined above |
572 | // in the format of arrays (???) | |
573 | const Int_t ksecNPoints = (ksecNPointsPerRadii + 1) * ksecNRadii + 8; | |
574 | Double_t secX[ksecNRadii] = { | |
575 | ksecX0, ksecX1, -1000.0, | |
576 | ksecX2, ksecX3, -1000.0, | |
577 | ksecX4, ksecX5, -1000.0, | |
578 | ksecX6, ksecX7, -1000.0, | |
579 | ksecX8, ksecX9, -1000.0, | |
580 | ksecX10, ksecX11, -1000.0, | |
581 | ksecX12, -1000.0 | |
582 | }; | |
583 | Double_t secY[ksecNRadii] = { | |
584 | ksecY0, ksecY1, -1000.0, | |
585 | ksecY2, ksecY3, -1000.0, | |
586 | ksecY4, ksecY5, -1000.0, | |
587 | ksecY6, ksecY7, -1000.0, | |
588 | ksecY8, ksecY9, -1000.0, | |
589 | ksecY10, ksecY11, -1000.0, | |
590 | ksecY12, -1000.0 | |
591 | }; | |
592 | Double_t secR[ksecNRadii] = { | |
593 | ksecR0, ksecR1, -.5 * ksecDipLength - ksecDipRadii, | |
594 | ksecR2, ksecR3, -.5 * ksecDipLength - ksecDipRadii, | |
595 | ksecR4, ksecR5, -.5 * ksecDipLength - ksecDipRadii, | |
596 | ksecR6, ksecR7, -.5 * ksecDipLength - ksecDipRadii, | |
597 | ksecR8, ksecR9, -.5 * ksecDipLength - ksecDipRadii, | |
598 | ksecR10, ksecR11, -.5 * ksecDipLength - ksecDipRadii, | |
599 | ksecR12, ksecR13 | |
600 | }; | |
601 | /* | |
602 | Double_t secDip[ksecNRadii] = { | |
603 | 0., 0., ksecDip0, 0., 0., ksecDip1, | |
604 | 0., 0., ksecDip2, 0., 0., ksecDip3, | |
605 | 0., 0., ksecDip4, 0., 0., ksecDip5, | |
606 | 0., 0. | |
607 | }; | |
608 | */ | |
609 | Double_t secX2[ksecNRadii]; | |
610 | Double_t secY2[ksecNRadii]; | |
611 | Double_t secR2[ksecNRadii] = { | |
612 | ksecR0, ksecR1, ksecRCoolOut, | |
613 | ksecR2, ksecR3, ksecRCoolOut, | |
614 | ksecR4, ksecR5, ksecRCoolOut, | |
615 | ksecR6, ksecR7, ksecRCoolOut, | |
616 | ksecR8, ksecR9, ksecRCoolOut, | |
617 | ksecR10, ksecR11, ksecRCoolOut, | |
618 | ksecR12, ksecR13 | |
619 | }; | |
620 | Double_t secDip2[ksecNCoolingTubeDips] = { | |
621 | ksecDl1, ksecDl2, ksecDl3, | |
622 | ksecDl4, ksecDl5, ksecDl6 | |
623 | }; | |
624 | Double_t secX3[ksecNRadii]; | |
625 | Double_t secY3[ksecNRadii]; | |
626 | const Int_t ksecDipIndex[ksecNCoolingTubeDips] = {2, 5, 8, 11, 14, 17}; | |
627 | Double_t secAngleStart[ksecNRadii]; | |
628 | Double_t secAngleEnd[ksecNRadii]; | |
629 | Double_t secAngleStart2[ksecNRadii]; | |
630 | Double_t secAngleEnd2[ksecNRadii]; | |
631 | Double_t secAngleTurbo[ksecNCoolingTubeDips] = {0., 0., 0., 0., 0., 0.0}; | |
632 | //Double_t secAngleStart3[ksecNRadii]; | |
633 | //Double_t secAngleEnd3[ksecNRadii]; | |
634 | Double_t xpp[ksecNPoints], ypp[ksecNPoints]; | |
635 | Double_t xpp2[ksecNPoints], ypp2[ksecNPoints]; | |
636 | Double_t *xp[ksecNRadii], *xp2[ksecNRadii]; | |
637 | Double_t *yp[ksecNRadii], *yp2[ksecNRadii]; | |
638 | TGeoXtru *sA0, *sA1, *sB0, *sB1; | |
639 | TGeoEltu *sTA0, *sTA1; | |
640 | TGeoTube *sTB0, *sTB1; //,*sM0; | |
641 | TGeoRotation *rot; | |
642 | TGeoTranslation *trans; | |
643 | TGeoCombiTrans *rotrans; | |
644 | Double_t t, t0, t1, a, b, x0, y0, x1, y1; | |
645 | Int_t i, j, k, m; | |
646 | Bool_t tst; | |
a53658c6 | 647 | |
bc3498f4 | 648 | if(!moth) { |
649 | AliError("Container volume (argument) is NULL"); | |
650 | return; | |
651 | } | |
652 | for(i = 0; i < ksecNRadii; i++) { | |
653 | xp[i] = &(xpp[i*(ksecNPointsPerRadii+1)]); | |
654 | yp[i] = &(ypp[i*(ksecNPointsPerRadii+1)]); | |
655 | xp2[i] = &(xpp2[i*(ksecNPointsPerRadii+1)]); | |
656 | yp2[i] = &(ypp2[i*(ksecNPointsPerRadii+1)]); | |
657 | secX2[i] = secX[i]; | |
658 | secY2[i] = secY[i]; | |
659 | secX3[i] = secX[i]; | |
660 | secY3[i] = secY[i]; | |
661 | } | |
662 | ||
663 | // find starting and ending angles for all but cooling tube sections | |
664 | secAngleStart[0] = 0.5 * ksecAngleSide13; | |
665 | for(i = 0; i < ksecNRadii - 2; i++) { | |
666 | tst = kFALSE; | |
667 | for(j = 0; j < ksecNCoolingTubeDips; j++) tst = (tst || i == ksecDipIndex[j]); | |
668 | if (tst) continue; | |
669 | tst = kFALSE; | |
670 | for(j = 0; j < ksecNCoolingTubeDips; j++) tst = (tst || (i+1) == ksecDipIndex[j]); | |
671 | if (tst) j = i+2; else j = i+1; | |
672 | AnglesForRoundedCorners(secX[i], secY[i], secR[i], secX[j], secY[j], secR[j], t0, t1); | |
673 | secAngleEnd[i] = t0; | |
674 | secAngleStart[j] = t1; | |
675 | if(secR[i] > 0.0 && secR[j] > 0.0) { | |
676 | if(secAngleStart[i] > secAngleEnd[i]) secAngleEnd[i] += 360.0; | |
677 | } | |
678 | secAngleStart2[i] = secAngleStart[i]; | |
679 | secAngleEnd2[i] = secAngleEnd[i]; | |
680 | } // end for i | |
681 | secAngleEnd[ksecNRadii-2] = secAngleStart[ksecNRadii-2] | |
682 | + (secAngleEnd[ksecNRadii-5] - secAngleStart[ksecNRadii-5]); | |
683 | if (secAngleEnd[ksecNRadii-2] < 0.0) secAngleEnd[ksecNRadii-2] += 360.0; | |
684 | secAngleStart[ksecNRadii-1] = secAngleEnd[ksecNRadii-2] - 180.0; | |
685 | secAngleEnd[ksecNRadii-1] = secAngleStart[0]; | |
686 | secAngleStart2[ksecNRadii-2] = secAngleStart[ksecNRadii-2]; | |
687 | secAngleEnd2[ksecNRadii-2] = secAngleEnd[ksecNRadii-2]; | |
688 | secAngleStart2[ksecNRadii-1] = secAngleStart[ksecNRadii-1]; | |
689 | secAngleEnd2[ksecNRadii-1] = secAngleEnd[ksecNRadii-1]; | |
690 | ||
691 | // find location of circle last rounded corner. | |
692 | i = 0; | |
693 | j = ksecNRadii - 2; | |
694 | t0 = TanD(secAngleStart[i]-90.); | |
695 | t1 = TanD(secAngleEnd[j]-90.); | |
696 | t = secY[i] - secY[j]; | |
697 | // NOTE: secR[i=0] < 0; secR[j=18] > 0; and secR[j+1=19] < 0 | |
698 | t += (-secR[i]+secR[j+1]) * SinD(secAngleStart[i]); | |
699 | t -= (secR[j]-secR[j+1]) * SinD(secAngleEnd[j]); | |
700 | t += t1 * secX[j] - t0*secX[i]; | |
701 | t += t1 * (secR[j] - secR[j+1]) * CosD(secAngleEnd[j]); | |
702 | t -= t0 * (-secR[i]+secR[j+1]) * CosD(secAngleStart[i]); | |
703 | secX[ksecNRadii-1] = t / (t1-t0); | |
704 | secY[ksecNRadii-1] = TanD(90. + 0.5*ksecAngleSide13) * (secX[ksecNRadii-1] - secX[0]) + secY[0]; | |
705 | secX2[ksecNRadii-1] = secX[ksecNRadii-1]; | |
706 | secY2[ksecNRadii-1] = secY[ksecNRadii-1]; | |
707 | secX3[ksecNRadii-1] = secX[ksecNRadii-1]; | |
708 | secY3[ksecNRadii-1] = secY[ksecNRadii-1]; | |
709 | ||
710 | // find location of cooling tube centers | |
711 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
712 | j = ksecDipIndex[i]; | |
713 | x0 = secX[j-1] + TMath::Abs(secR[j-1]) * CosD(secAngleEnd[j-1]); | |
714 | y0 = secY[j-1] + TMath::Abs(secR[j-1]) * SinD(secAngleEnd[j-1]); | |
715 | x1 = secX[j+1] + TMath::Abs(secR[j+1]) * CosD(secAngleStart[j+1]); | |
716 | y1 = secY[j+1] + TMath::Abs(secR[j+1]) * SinD(secAngleStart[j+1]); | |
717 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
718 | t = secDip2[i] / t0; | |
719 | a = x0+(x1-x0) * t; | |
720 | b = y0+(y1-y0) * t; | |
721 | if(i == 0) { | |
722 | // get location of tube center->Surface for locating | |
723 | // this sector around the beam pipe. | |
724 | // This needs to be double checked, but I need my notes for that. | |
725 | // (Bjorn Nilsen) | |
726 | xAAtubeCenter0 = x0 + (x1 - x0) * t * 0.5; | |
727 | yAAtubeCenter0 = y0 + (y1 - y0) * t * 0.5; | |
728 | } | |
729 | if(a + b*(a - x0) / (b - y0) > 0.0) { | |
730 | secX[j] = a + TMath::Abs(y1-y0) * 2.0 * ksecDipRadii/t0; | |
731 | secY[j] = b - TMath::Sign(2.0*ksecDipRadii,y1-y0) * (x1-x0)/t0; | |
732 | secX2[j] = a + TMath::Abs(y1-y0) * ksecTl/t0; | |
733 | secY2[j] = b - TMath::Sign(ksecTl,y1-y0) * (x1-x0) / t0; | |
734 | secX3[j] = a + TMath::Abs(y1-y0) * (2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0; | |
735 | secY3[j] = b - TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,y1-y0)*(x1-x0)/t0; | |
736 | } | |
737 | else { | |
738 | secX[j] = a - TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0; | |
739 | secY[j] = b + TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0; | |
740 | secX2[j] = a - TMath::Abs(y1-y0)*ksecTl/t0; | |
741 | secY2[j] = b + TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0; | |
742 | secX3[j] = a - TMath::Abs(y1-y0)*(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0; | |
743 | secY3[j] = b + TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,y1-y0)*(x1-x0)/t0; | |
744 | } | |
745 | ||
746 | // Set up Start and End angles to correspond to start/end of dips. | |
747 | t1 = (secDip2[i]-TMath::Abs(secR[j])) / t0; | |
748 | secAngleStart[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]); | |
749 | if (secAngleStart[j]<0.0) secAngleStart[j] += 360.0; | |
750 | secAngleStart2[j] = secAngleStart[j]; | |
751 | t1 = (secDip2[i]+TMath::Abs(secR[j]))/t0; | |
752 | secAngleEnd[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],x0+(x1-x0)*t1-secX[j]); | |
753 | if (secAngleEnd[j]<0.0) secAngleEnd[j] += 360.0; | |
754 | secAngleEnd2[j] = secAngleEnd[j]; | |
755 | if (secAngleEnd[j]>secAngleStart[j]) secAngleEnd[j] -= 360.0; | |
756 | secR[j] = TMath::Sqrt(secR[j]*secR[j]+4.0*ksecDipRadii*ksecDipRadii); | |
757 | } // end for i | |
758 | ||
759 | // Special cases | |
760 | secAngleStart2[8] -= 360.; | |
761 | secAngleStart2[11] -= 360.; | |
762 | ||
763 | SPDsectorShape(ksecNRadii, secX, secY, secR, secAngleStart, secAngleEnd, | |
764 | ksecNPointsPerRadii, m, xp, yp); | |
765 | ||
766 | // Fix up dips to be square. | |
767 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
768 | j = ksecDipIndex[i]; | |
769 | t = 0.5*ksecDipLength+ksecDipRadii; | |
770 | t0 = TMath::RadToDeg()*TMath::ATan(2.0*ksecDipRadii/t); | |
771 | t1 = secAngleEnd[j] + t0; | |
772 | t0 = secAngleStart[j] - t0; | |
773 | x0 = xp[j][1] = secX[j] + t*CosD(t0); | |
774 | y0 = yp[j][1] = secY[j] + t*SinD(t0); | |
775 | x1 = xp[j][ksecNPointsPerRadii-1] = secX[j] + t*CosD(t1); | |
776 | y1 = yp[j][ksecNPointsPerRadii-1] = secY[j] + t*SinD(t1); | |
777 | t0 = 1./((Double_t)(ksecNPointsPerRadii-2)); | |
778 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
779 | // extra points spread them out. | |
780 | t = ((Double_t)(k-1)) * t0; | |
781 | xp[j][k] = x0+(x1-x0) * t; | |
782 | yp[j][k] = y0+(y1-y0) * t; | |
783 | } // end for k | |
784 | secAngleTurbo[i] = -TMath::RadToDeg() * TMath::ATan2(y1-y0, x1-x0); | |
785 | if(GetDebug(3)) { | |
786 | AliInfo(Form("i=%d -- angle=%f -- x0,y0=(%f, %f) -- x1,y1=(%f, %f)", i, secAngleTurbo[i], x0, y0, x1, y1)); | |
787 | } | |
788 | } // end for i | |
789 | sA0 = new TGeoXtru(2); | |
790 | sA0->SetName("ITS SPD Carbon fiber support Sector A0"); | |
791 | sA0->DefinePolygon(m, xpp, ypp); | |
792 | sA0->DefineSection(0, -ksecDz); | |
793 | sA0->DefineSection(1, ksecDz); | |
794 | ||
795 | // store the edges of each XY segment which defines | |
796 | // one of the plane zones where staves will have to be placed | |
797 | fSPDsectorX0.Set(ksecNCoolingTubeDips); | |
798 | fSPDsectorY0.Set(ksecNCoolingTubeDips); | |
799 | fSPDsectorX1.Set(ksecNCoolingTubeDips); | |
800 | fSPDsectorY1.Set(ksecNCoolingTubeDips); | |
801 | Int_t ixy0, ixy1; | |
802 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
803 | // Find index in xpp[] and ypp[] corresponding to where the | |
804 | // SPD ladders are to be attached. Order them according to | |
805 | // the ALICE numbering schema. Using array of indexes (+-1 for | |
806 | // cooling tubes. For any "bend/dip/edge, there are | |
807 | // ksecNPointsPerRadii+1 points involved. | |
808 | if(i == 0) j = 1; | |
809 | else if (i == 1) j = 0; | |
810 | else j = i; | |
811 | ixy0 = (ksecDipIndex[j]-1) * (ksecNPointsPerRadii+1) + (ksecNPointsPerRadii); | |
812 | ixy1 = (ksecDipIndex[j]+1) * (ksecNPointsPerRadii+1); | |
813 | fSPDsectorX0[i] = sA0->GetX(ixy0); | |
814 | fSPDsectorY0[i] = sA0->GetY(ixy0); | |
815 | fSPDsectorX1[i] = sA0->GetX(ixy1); | |
816 | fSPDsectorY1[i] = sA0->GetY(ixy1); | |
817 | } | |
818 | ||
819 | //printf("SectorA#%d ",0); | |
820 | InsidePoint(xpp[m-1], ypp[m-1], xpp[0], ypp[0], xpp[1], ypp[1], ksecCthick, xpp2[0], ypp2[0]); | |
821 | for(i = 1; i < m - 1; i++) { | |
822 | j = i / (ksecNPointsPerRadii+1); | |
823 | //printf("SectorA#%d ",i); | |
824 | InsidePoint(xpp[i-1], ypp[i-1], xpp[i], ypp[i], xpp[i+1], ypp[i+1], ksecCthick, xpp2[i], ypp2[i]); | |
825 | } | |
826 | //printf("SectorA#%d ",m); | |
827 | InsidePoint(xpp[m-2], ypp[m-2], xpp[m-1], ypp[m-1], xpp[0], ypp[0], ksecCthick, xpp2[m-1], ypp2[m-1]); | |
828 | // Fix center value of cooling tube dip and | |
829 | // find location of cooling tube centers | |
830 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
831 | j = ksecDipIndex[i]; | |
832 | x0 = xp2[j][1]; | |
833 | y0 = yp2[j][1]; | |
834 | x1 = xp2[j][ksecNPointsPerRadii-1]; | |
835 | y1 = yp2[j][ksecNPointsPerRadii-1]; | |
836 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
837 | t = secDip2[i]/t0; | |
838 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
839 | // extra points spread them out. | |
840 | t = ((Double_t)(k-1)) * t0; | |
841 | xp2[j][k] = x0+(x1-x0) * t; | |
842 | yp2[j][k] = y0+(y1-y0) * t; | |
843 | } | |
844 | } // end for i | |
845 | sA1 = new TGeoXtru(2); | |
846 | sA1->SetName("ITS SPD Carbon fiber support Sector Air A1"); | |
847 | sA1->DefinePolygon(m, xpp2, ypp2); | |
848 | sA1->DefineSection(0, -ksecDz); | |
849 | sA1->DefineSection(1, ksecDz); | |
850 | ||
851 | // Error in TGeoEltu. Semi-axis X must be < Semi-axis Y (?). | |
852 | sTA0 = new TGeoEltu("ITS SPD Cooling Tube TA0", 0.5 * ksecCoolTubeFlatY, 0.5 * ksecCoolTubeFlatX, ksecDz); | |
853 | sTA1 = new TGeoEltu("ITS SPD Cooling Tube coolant TA1", | |
854 | sTA0->GetA() - ksecCoolTubeThick, | |
855 | sTA0->GetB()-ksecCoolTubeThick,ksecDz); | |
856 | ||
857 | SPDsectorShape(ksecNRadii, secX2, secY2, secR2, secAngleStart2, secAngleEnd2, | |
858 | ksecNPointsPerRadii, m, xp, yp); | |
db486a6e | 859 | |
bc3498f4 | 860 | sB0 = new TGeoXtru(2); |
861 | sB0->SetName("ITS SPD Carbon fiber support Sector End B0"); | |
862 | sB0->DefinePolygon(m, xpp, ypp); | |
863 | sB0->DefineSection(0, ksecDz); | |
864 | sB0->DefineSection(1, ksecDz + ksecZEndLen); | |
592651e2 | 865 | |
bc3498f4 | 866 | //printf("SectorB#%d ",0); |
867 | InsidePoint(xpp[m-1], ypp[m-1], xpp[0], ypp[0], xpp[1], ypp[1], ksecCthick2, xpp2[0], ypp2[0]); | |
868 | for(i = 1; i < m - 1; i++) { | |
869 | t = ksecCthick2; | |
870 | for(k = 0; k < ksecNCoolingTubeDips; k++) | |
871 | if((i/(ksecNPointsPerRadii+1))==ksecDipIndex[k]) | |
872 | if(!(ksecDipIndex[k]*(ksecNPointsPerRadii+1) == i || | |
873 | ksecDipIndex[k]*(ksecNPointsPerRadii+1) + ksecNPointsPerRadii == i)) | |
874 | t = ksecRCoolOut-ksecRCoolIn; | |
875 | //printf("SectorB#%d ",i); | |
876 | InsidePoint(xpp[i-1], ypp[i-1], xpp[i], ypp[i], xpp[i+1], ypp[i+1], t, xpp2[i], ypp2[i]); | |
877 | } | |
878 | //printf("SectorB#%d ",m); | |
879 | InsidePoint(xpp[m-2], ypp[m-2], xpp[m-1], ypp[m-1], xpp[0], ypp[0], ksecCthick2, xpp2[m-1], ypp2[m-1]); | |
880 | sB1 = new TGeoXtru(2); | |
881 | sB1->SetName("ITS SPD Carbon fiber support Sector Air End B1"); | |
882 | sB1->DefinePolygon(m, xpp2, ypp2); | |
883 | sB1->DefineSection(0, ksecDz); | |
884 | sB1->DefineSection(1, ksecDz + ksecLen); | |
885 | sTB0 = new TGeoTube("ITS SPD Cooling Tube End TB0", 0.0, | |
886 | 0.5 * ksecCoolTubeROuter, 0.5 * ksecLen); | |
887 | sTB1 = new TGeoTube("ITS SPD Cooling Tube End coolant TB0", 0.0, | |
888 | sTB0->GetRmax() - ksecCoolTubeThick, 0.5 * ksecLen); | |
889 | ||
890 | if(GetDebug(3)) { | |
891 | if(medSPDcf) medSPDcf->Dump(); else AliInfo("medSPDcf = 0"); | |
892 | if(medSPDss) medSPDss->Dump(); else AliInfo("medSPDss = 0"); | |
893 | if(medSPDair) medSPDair->Dump(); else AliInfo("medSPDAir = 0"); | |
894 | if(medSPDcoolfl) medSPDcoolfl->Dump(); else AliInfo("medSPDcoolfl = 0"); | |
895 | sA0->InspectShape(); | |
896 | sA1->InspectShape(); | |
897 | sB0->InspectShape(); | |
898 | sB1->InspectShape(); | |
899 | } | |
900 | ||
901 | // create the assembly of the support and place staves on it | |
902 | TGeoVolumeAssembly *vM0 = new TGeoVolumeAssembly("ITSSPDSensitiveVirtualvolumeM0"); | |
903 | StavesInSector(vM0); | |
904 | // create other volumes with some graphical settings | |
905 | TGeoVolume *vA0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorA0", sA0, medSPDcf); | |
906 | vA0->SetVisibility(kTRUE); | |
907 | vA0->SetLineColor(4); // Blue | |
908 | vA0->SetLineWidth(1); | |
909 | vA0->SetFillColor(vA0->GetLineColor()); | |
910 | vA0->SetFillStyle(4010); // 10% transparent | |
911 | TGeoVolume *vA1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorAirA1", sA1, medSPDair); | |
912 | vA1->SetVisibility(kTRUE); | |
913 | vA1->SetLineColor(7); // light Blue | |
914 | vA1->SetLineWidth(1); | |
915 | vA1->SetFillColor(vA1->GetLineColor()); | |
916 | vA1->SetFillStyle(4090); // 90% transparent | |
917 | TGeoVolume *vTA0 = new TGeoVolume("ITSSPDCoolingTubeTA0", sTA0, medSPDss); | |
918 | vTA0->SetVisibility(kTRUE); | |
919 | vTA0->SetLineColor(1); // Black | |
920 | vTA0->SetLineWidth(1); | |
921 | vTA0->SetFillColor(vTA0->GetLineColor()); | |
922 | vTA0->SetFillStyle(4000); // 0% transparent | |
923 | TGeoVolume *vTA1 = new TGeoVolume("ITSSPDCoolingTubeFluidTA1", sTA1, medSPDcoolfl); | |
924 | vTA1->SetVisibility(kTRUE); | |
925 | vTA1->SetLineColor(6); // Purple | |
926 | vTA1->SetLineWidth(1); | |
927 | vTA1->SetFillColor(vTA1->GetLineColor()); | |
928 | vTA1->SetFillStyle(4000); // 0% transparent | |
929 | TGeoVolume *vB0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndB0", sB0, medSPDcf); | |
930 | vB0->SetVisibility(kTRUE); | |
931 | vB0->SetLineColor(4); // Blue | |
932 | vB0->SetLineWidth(1); | |
933 | vB0->SetFillColor(vB0->GetLineColor()); | |
934 | vB0->SetFillStyle(4010); // 10% transparent | |
935 | TGeoVolume *vB1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndAirB1", sB1, medSPDair); | |
936 | vB1->SetVisibility(kTRUE); | |
937 | vB1->SetLineColor(7); // light Blue | |
938 | vB1->SetLineWidth(1); | |
939 | vB1->SetFillColor(vB1->GetLineColor()); | |
940 | vB1->SetFillStyle(4090); // 90% transparent | |
941 | TGeoVolume *vTB0 = new TGeoVolume("ITSSPDCoolingTubeEndTB0", sTB0, medSPDss); | |
942 | vTB0->SetVisibility(kTRUE); | |
943 | vTB0->SetLineColor(1); // Black | |
944 | vTB0->SetLineWidth(1); | |
945 | vTB0->SetFillColor(vTB0->GetLineColor()); | |
946 | vTB0->SetFillStyle(4000); // 0% transparent | |
947 | TGeoVolume *vTB1 = new TGeoVolume("ITSSPDCoolingTubeEndFluidTB1", sTB1, medSPDcoolfl); | |
948 | vTB1->SetVisibility(kTRUE); | |
949 | vTB1->SetLineColor(6); // Purple | |
950 | vTB1->SetLineWidth(1); | |
951 | vTB1->SetFillColor(vTB1->GetLineColor()); | |
952 | vTB1->SetFillStyle(4000); // 0% transparent | |
953 | ||
954 | // add volumes to mother container passed as argument of this method | |
955 | moth->AddNode(vM0,1,0); // Add virtual volume to mother | |
956 | vA0->AddNode(vA1,1,0); // Put air inside carbon fiber. | |
957 | vB0->AddNode(vB1,1,0); // Put air inside carbon fiber. | |
958 | vTA0->AddNode(vTA1,1,0); // Put air inside carbon fiber. | |
959 | vTB0->AddNode(vTB1,1,0); // Put air inside carbon fiber. | |
960 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
961 | x0 = secX3[ksecDipIndex[i]]; | |
962 | y0 = secY3[ksecDipIndex[i]]; | |
963 | t = 90.0 - secAngleTurbo[i]; | |
964 | trans = new TGeoTranslation("", x0, y0, 0.5 * (sB1->GetZ(0) + sB1->GetZ(1))); | |
965 | vB1->AddNode(vTB0, i+1, trans); | |
966 | rot = new TGeoRotation("", 0.0, 0.0, t); | |
967 | rotrans = new TGeoCombiTrans("", x0, y0, 0.0, rot); | |
968 | vM0->AddNode(vTA0, i+1, rotrans); | |
969 | } // end for i | |
970 | vM0->AddNode(vA0, 1, 0); | |
971 | vM0->AddNode(vB0, 1, 0); | |
972 | // Reflection. | |
973 | vM0->AddNode(vB0, 2, new TGeoRotation("", 90., 0., 90., 90., 180., 0.)); | |
974 | if(GetDebug(3)){ | |
975 | vM0->PrintNodes(); | |
976 | vA0->PrintNodes(); | |
977 | vA1->PrintNodes(); | |
978 | vB0->PrintNodes(); | |
979 | vB1->PrintNodes(); | |
980 | vTA0->PrintNodes(); | |
981 | vTA1->PrintNodes(); | |
982 | vTB0->PrintNodes(); | |
983 | vTB1->PrintNodes(); | |
984 | } | |
985 | } | |
986 | // | |
987 | //__________________________________________________________________________________________ | |
988 | Bool_t AliITSv11GeometrySPD::GetSectorMountingPoints | |
989 | (Int_t index, Double_t &x0, Double_t &y0, Double_t &x1, Double_t &y1) const | |
990 | { | |
991 | // | |
992 | // Returns the edges of the straight borders in the SPD sector shape, | |
993 | // which are used to mount staves on them. | |
994 | // Coordinate system is that of the carbon fiber sector volume. | |
592651e2 | 995 | // --- |
bc3498f4 | 996 | // Index numbering is as follows: |
997 | // /5 | |
998 | // /\/4 | |
999 | // 1\ \/3 | |
1000 | // 0|___\/2 | |
592651e2 | 1001 | // --- |
bc3498f4 | 1002 | // Arguments [the ones passed by reference contain output values]: |
1003 | // Int_t index --> location index according to above scheme [0-5] | |
1004 | // Double_t &x0 --> (by ref) x0 location or the ladder sector [cm] | |
1005 | // Double_t &y0 --> (by ref) y0 location of the ladder sector [cm] | |
1006 | // Double_t &x1 --> (by ref) x1 location or the ladder sector [cm] | |
1007 | // Double_t &y1 --> (by ref) y1 location of the ladder sector [cm] | |
1008 | // TGeoManager *mgr --> The TGeo builder | |
592651e2 | 1009 | // --- |
bc3498f4 | 1010 | // The location is described by a line going from (x0, y0) to (x1, y1) |
592651e2 | 1011 | // --- |
bc3498f4 | 1012 | // Returns kTRUE if no problems encountered. |
1013 | // Returns kFALSE if a problem was encountered (e.g.: shape not found). | |
1014 | // | |
592651e2 | 1015 | |
bc3498f4 | 1016 | Int_t isize = fSPDsectorX0.GetSize(); |
1017 | x0 = x1 = y0 = y1 = 0.0; | |
1018 | if(index < 0 || index > isize) { | |
1019 | AliError(Form("index = %d: allowed 0 --> %", index, isize)); | |
1020 | return kFALSE; | |
1021 | } | |
1022 | ||
1023 | x0 = fSPDsectorX0[index]; | |
1024 | x1 = fSPDsectorX1[index]; | |
1025 | y0 = fSPDsectorY0[index]; | |
1026 | y1 = fSPDsectorY1[index]; | |
1027 | ||
1028 | return kTRUE; | |
1029 | } | |
1030 | // | |
1031 | //__________________________________________________________________________________________ | |
1032 | void AliITSv11GeometrySPD::SPDsectorShape | |
1033 | (Int_t n, | |
1034 | const Double_t *xc, const Double_t *yc, const Double_t *r, | |
1035 | const Double_t *ths, const Double_t *the, | |
1036 | Int_t npr, Int_t &m, Double_t **xp, Double_t **yp) const | |
1037 | { | |
1038 | ||
1039 | // Code to compute the points that make up the shape of the SPD | |
1040 | // Carbon fiber support sections | |
1041 | // Inputs: | |
1042 | // Int_t n size of arrays xc,yc, and r. | |
1043 | // Double_t *xc array of x values for radii centers. | |
1044 | // Double_t *yc array of y values for radii centers. | |
1045 | // Double_t *r array of signed radii values. | |
1046 | // Double_t *ths array of starting angles [degrees]. | |
1047 | // Double_t *the array of ending angles [degrees]. | |
1048 | // Int_t npr the number of lines segments to aproximate the arc. | |
1049 | // Outputs (arguments passed by reference): | |
1050 | // Int_t m the number of enetries in the arrays *xp[npr+1] and *yp[npr+1]. | |
1051 | // Double_t **xp array of x coordinate values of the line segments | |
1052 | // which make up the SPD support sector shape. | |
1053 | // Double_t **yp array of y coordinate values of the line segments | |
1054 | // which make up the SPD support sector shape. | |
1055 | // | |
1056 | ||
1057 | Int_t i, k; | |
1058 | Double_t t, t0, t1; | |
1059 | ||
1060 | m = n*(npr + 1); | |
1061 | if(GetDebug(2)) { | |
1062 | cout <<" X \t Y \t R \t S \t E" << m << endl; | |
1063 | for(i = 0; i < n; i++) { | |
1064 | cout << "{" << xc[i] << ", "; | |
1065 | cout << yc[i] << ", "; | |
1066 | cout << r[i] << ", "; | |
1067 | cout << ths[i] << ", "; | |
1068 | cout << the[i] << "}, " << endl; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | if (GetDebug(3)) cout << "Double_t sA0 = [" << n*(npr+1)+1<<"]["; | |
1073 | if (GetDebug(4)) cout << "3] {"; | |
1074 | else if(GetDebug(3)) cout <<"2] {"; | |
1075 | t0 = (Double_t)npr; | |
1076 | for(i = 0; i < n; i++) { | |
1077 | t1 = (the[i] - ths[i]) / t0; | |
1078 | if(GetDebug(5)) cout << "t1 = " << t1 << endl; | |
1079 | for(k = 0; k <= npr; k++) { | |
1080 | t = ths[i] + ((Double_t)k) * t1; | |
1081 | xp[i][k] = TMath::Abs(r[i]) * CosD(t) + xc[i]; | |
1082 | yp[i][k] = TMath::Abs(r[i]) * SinD(t) + yc[i]; | |
1083 | if(GetDebug(3)) { | |
1084 | cout << "{" << xp[i][k] << "," << yp[i][k]; | |
1085 | if (GetDebug(4)) cout << "," << t; | |
1086 | cout << "},"; | |
1087 | } // end if GetDebug | |
1088 | } // end for k | |
1089 | if(GetDebug(3)) cout << endl; | |
1090 | } // end of i | |
1091 | if(GetDebug(3)) cout << "{" << xp[0][0] << ", " << yp[0][0]; | |
1092 | if(GetDebug(4)) cout << "," << ths[0]; | |
1093 | if(GetDebug(3)) cout << "}}" << endl; | |
1094 | } | |
1095 | // | |
1096 | //__________________________________________________________________________________________ | |
1097 | TGeoVolume* AliITSv11GeometrySPD::CreateLadder | |
7855ea93 | 1098 | (Int_t layer, TArrayD &sizes, TGeoManager *mgr) const |
bc3498f4 | 1099 | { |
1100 | // Creates the "ladder" = silicon sensor + 5 chips. | |
1101 | // Returns a TGeoVolume containing the following components: | |
1102 | // - the sensor (TGeoBBox), whose name depends on the layer | |
1103 | // - 5 identical chips (TGeoBBox) | |
1104 | // - a guard ring around the sensor (subtraction of TGeoBBoxes), | |
7855ea93 | 1105 | // which is separated from the rest of sensor because it is not |
bc3498f4 | 1106 | // a sensitive part |
7855ea93 | 1107 | // - bump bondings (TGeoBBox stripes for the whole width of the |
bc3498f4 | 1108 | // sensor, one per column). |
1109 | // --- | |
1110 | // Arguments: | |
1111 | // 1 - the owner layer (MUST be 1 or 2 or a fatal error is raised) | |
7855ea93 | 1112 | // 2 - a TArrayD passed by reference, which will contain relevant |
1113 | // dimensions related to this object: | |
1114 | // size[0] = 'thickness' (the smallest dimension) | |
bc3498f4 | 1115 | // size[1] = 'length' (the direction along the ALICE Z axis) |
7855ea93 | 1116 | // size[2] = 'width' (extension in the direction perp. to the above ones) |
bc3498f4 | 1117 | // 3 - the used TGeoManager |
1118 | ||
1119 | // ** CRITICAL CHECK ** | |
7855ea93 | 1120 | |
592651e2 | 1121 | // layer number can be ONLY 1 or 2 |
32b9c3dd | 1122 | if (layer != 1 && layer != 2) AliFatal("Layer number MUST be 1 or 2"); |
592651e2 | 1123 | |
bc3498f4 | 1124 | // ** MEDIA ** |
7855ea93 | 1125 | |
bc3498f4 | 1126 | TGeoMedium *medAir = GetMedium("AIR$",mgr); |
7855ea93 | 1127 | TGeoMedium *medSPDSiChip = GetMedium("SPD SI CHIP$",mgr); // SPD SI CHIP |
bc3498f4 | 1128 | TGeoMedium *medSi = GetMedium("SI$",mgr); |
7855ea93 | 1129 | TGeoMedium *medBumpBond = GetMedium("COPPER$",mgr); // ??? BumpBond |
bc3498f4 | 1130 | |
1131 | // ** SIZES ** | |
7855ea93 | 1132 | |
32b9c3dd | 1133 | Double_t chipThickness = fgkmm * 0.150; |
1134 | Double_t chipWidth = fgkmm * 15.950; | |
1135 | Double_t chipLength = fgkmm * 13.600; | |
7855ea93 | 1136 | Double_t chipSpacing = fgkmm * 0.400; // separation of chips along Z |
1137 | ||
32b9c3dd | 1138 | Double_t sensThickness = fgkmm * 0.200; |
1139 | Double_t sensLength = fgkmm * 69.600; | |
bc3498f4 | 1140 | Double_t sensWidth = fgkmm * 12.800; |
7855ea93 | 1141 | Double_t guardRingWidth = fgkmm * 0.560; // a border of this thickness all around the sensor |
bc3498f4 | 1142 | |
7855ea93 | 1143 | Double_t bbLength = fgkmm * 0.042; |
1144 | Double_t bbWidth = sensWidth; | |
1145 | Double_t bbThickness = fgkmm * 0.012; | |
1146 | Double_t bbPos = 0.080; // Z position w.r. to left pixel edge | |
1147 | ||
1148 | // compute the size of the container volume which | |
1149 | // will also be returned in the referenced TArrayD; | |
1150 | // for readability, they are linked by reference to a more meaningful name | |
1151 | sizes.Set(3); | |
bc3498f4 | 1152 | Double_t &thickness = sizes[0]; |
1153 | Double_t &length = sizes[1]; | |
7855ea93 | 1154 | Double_t &width = sizes[2]; |
bc3498f4 | 1155 | // the container is a box which exactly enclose all the stuff; |
32b9c3dd | 1156 | width = chipWidth; |
1157 | length = sensLength + 2.0*guardRingWidth; | |
1158 | thickness = sensThickness + chipThickness + bbThickness; | |
7855ea93 | 1159 | |
1160 | // ** VOLUMES ** | |
1161 | ||
1162 | // While creating this volume, since it is a sensitive volume, | |
1163 | // we must respect some standard criteria for its local reference frame. | |
1164 | // Local X must correspond to x coordinate of the sensitive volume: | |
1165 | // this means that we are going to create the container with a local reference system | |
1166 | // that is **not** in the middle of the box. | |
1167 | // This is accomplished by calling the shape constructor with an additional option ('originShift'): | |
bc3498f4 | 1168 | Double_t xSens = 0.5 * (width - sensWidth - 2.0*guardRingWidth); |
1169 | Double_t originShift[3] = {-xSens, 0., 0.}; | |
1170 | TGeoBBox *shapeContainer = new TGeoBBox(0.5*width, 0.5*thickness, 0.5*length, originShift); | |
7855ea93 | 1171 | // then the volume is made of air, and using this shape |
bc3498f4 | 1172 | TGeoVolume *container = new TGeoVolume(Form("LAY%d_LADDER",layer), shapeContainer, medAir); |
7855ea93 | 1173 | // the chip is a common box |
bc3498f4 | 1174 | TGeoVolume *volChip = mgr->MakeBox |
1175 | ("CHIP", medSPDSiChip, 0.5*chipWidth, 0.5*chipThickness, 0.5*chipLength); | |
7855ea93 | 1176 | // the sensor as well |
bc3498f4 | 1177 | TGeoVolume *volSens = mgr->MakeBox |
1178 | (GetSenstiveVolumeName(layer), medSi, 0.5*sensWidth, 0.5*sensThickness, 0.5*sensLength); | |
1179 | // the guard ring shape is the subtraction of two boxes with the same center. | |
1180 | TGeoBBox *shIn = new TGeoBBox(0.5*sensWidth, sensThickness, 0.5*sensLength); | |
1181 | TGeoBBox *shOut = new TGeoBBox | |
1182 | (0.5*sensWidth + guardRingWidth, 0.5*sensThickness, 0.5*sensLength + guardRingWidth); | |
32b9c3dd | 1183 | shIn->SetName("innerBox"); |
1184 | shOut->SetName("outerBox"); | |
bc3498f4 | 1185 | TGeoCompositeShape *shBorder = new TGeoCompositeShape("", "outerBox-innerBox"); |
32b9c3dd | 1186 | TGeoVolume *volBorder = new TGeoVolume("GUARD_RING", shBorder, medSi); |
bc3498f4 | 1187 | // bump bonds for one whole column |
7855ea93 | 1188 | TGeoVolume *volBB = mgr->MakeBox("BB", medBumpBond, 0.5*bbWidth, 0.5*bbThickness, 0.5*bbLength); |
32b9c3dd | 1189 | // set colors of all objects for visualization |
592651e2 | 1190 | volSens->SetLineColor(kYellow + 1); |
1191 | volChip->SetLineColor(kGreen); | |
32b9c3dd | 1192 | volBorder->SetLineColor(kYellow + 3); |
7855ea93 | 1193 | volBB->SetLineColor(kGray); |
32b9c3dd | 1194 | |
bc3498f4 | 1195 | // ** MOVEMENTS ** |
7855ea93 | 1196 | |
1197 | // sensor is translated along thickness (X) and width (Y) | |
bc3498f4 | 1198 | Double_t ySens = 0.5 * (thickness - sensThickness); |
1199 | Double_t zSens = 0.0; | |
7855ea93 | 1200 | // we want that the x of the ladder is the same as the one of its sensitive volume |
1201 | TGeoTranslation *trSens = new TGeoTranslation(0.0, ySens, zSens); | |
1202 | // bump bonds are translated along all axes: | |
1203 | // keep same Y used for sensors, but change the Z | |
32b9c3dd | 1204 | TGeoTranslation *trBB[160]; |
7855ea93 | 1205 | Double_t x = 0.0; |
1206 | Double_t y = 0.5 * (thickness - bbThickness) - sensThickness; | |
bc3498f4 | 1207 | Double_t z = -0.5 * sensLength + guardRingWidth + fgkmm*0.425 - bbPos; |
1208 | Int_t i; | |
32b9c3dd | 1209 | for (i = 0; i < 160; i++) { |
1210 | trBB[i] = new TGeoTranslation(x, y, z); | |
1211 | switch(i) { | |
7855ea93 | 1212 | case 31: |
1213 | case 63: | |
1214 | case 95: | |
1215 | case 127: | |
1216 | z += fgkmm * 0.625 + fgkmm * 0.2; | |
1217 | break; | |
1218 | default: | |
1219 | z += fgkmm * 0.425; | |
1220 | } | |
1221 | } | |
1222 | // the chips are translated along the length (Z) and thickness (X) | |
bc3498f4 | 1223 | TGeoTranslation *trChip[5] = {0, 0, 0, 0, 0}; |
1224 | x = -xSens; | |
1225 | y = 0.5 * (chipThickness - thickness); | |
1226 | z = 0.0; | |
1227 | for (i = 0; i < 5; i++) { | |
1228 | z = -0.5*length + guardRingWidth | |
1229 | + (Double_t)i*chipSpacing + ((Double_t)(i) + 0.5)*chipLength; | |
1230 | trChip[i] = new TGeoTranslation(x, y, z); | |
7855ea93 | 1231 | } |
bc3498f4 | 1232 | |
592651e2 | 1233 | // add nodes to container |
1234 | container->AddNode(volSens, 1, trSens); | |
32b9c3dd | 1235 | container->AddNode(volBorder, 1, trSens); |
1236 | for (i = 0; i < 160; i++) container->AddNode(volBB, i, trBB[i]); | |
bc3498f4 | 1237 | for (i = 0; i < 5; i++) container->AddNode(volChip, i + 2, trChip[i]); |
592651e2 | 1238 | |
1239 | // return the container | |
1240 | return container; | |
1241 | } | |
bc3498f4 | 1242 | // |
1243 | //__________________________________________________________________________________________ | |
1244 | TGeoVolume* AliITSv11GeometrySPD::CreateClip | |
7855ea93 | 1245 | (TArrayD &sizes, Bool_t isDummy, TGeoManager *mgr) const |
bc3498f4 | 1246 | { |
592651e2 | 1247 | // |
bc3498f4 | 1248 | // Creates the carbon fiber clips which are added to the central ladders. |
1249 | // They have a complicated shape which is approximated by a TGeoXtru | |
1250 | // Implementation of a single clip over an half-stave. | |
1251 | // It has a complicated shape which is approximated to a section like this: | |
1252 | // | |
1253 | // 6 | |
1254 | // /\ . | |
1255 | // 7 //\\ 5 | |
1256 | // / 1\\___________________4 | |
1257 | // 0 \___________________ | |
1258 | // 2 3 | |
1259 | // with a finite thickness for all the shape | |
1260 | // Its local reference frame is such that point A corresponds to origin. | |
592651e2 | 1261 | // |
1262 | ||
bc3498f4 | 1263 | Double_t fullLength = fgkmm * 12.6; // = x4 - x0 |
1264 | Double_t flatLength = fgkmm * 5.4; // = x4 - x3 | |
1265 | Double_t inclLongLength = fgkmm * 5.0; // = 5-6 | |
1266 | Double_t inclShortLength = fgkmm * 2.0; // = 6-7 | |
1267 | Double_t fullHeight = fgkmm * 2.8; // = y6 - y3 | |
1268 | Double_t thickness = fgkmm * 0.2; // thickness | |
1269 | Double_t totalLength = fgkmm * 52.0; // total length in Z | |
1270 | Double_t holeSize = fgkmm * 4.0; // dimension of cubic hole inserted for pt1000 | |
1271 | Double_t angle1 = 27.0; // supplementary of angle DCB | |
1272 | Double_t angle2; // angle DCB | |
1273 | Double_t angle3; // angle of GH with vertical | |
1274 | ||
1275 | angle2 = 0.5 * (180.0 - angle1); | |
1276 | angle3 = 90.0 - TMath::ACos(fullLength - flatLength - inclLongLength*TMath::Cos(angle1)) * TMath::RadToDeg(); | |
1277 | ||
1278 | angle1 *= TMath::DegToRad(); | |
1279 | angle2 *= TMath::DegToRad(); | |
1280 | angle3 *= TMath::DegToRad(); | |
592651e2 | 1281 | |
bc3498f4 | 1282 | Double_t x[8], y[8]; |
592651e2 | 1283 | |
bc3498f4 | 1284 | x[0] = 0.0; |
1285 | x[1] = x[0] + fullLength - flatLength - inclLongLength*TMath::Cos(angle1); | |
1286 | x[2] = x[0] + fullLength - flatLength; | |
1287 | x[3] = x[0] + fullLength; | |
1288 | x[4] = x[3]; | |
1289 | x[5] = x[4] - flatLength + thickness * TMath::Cos(angle2); | |
1290 | x[6] = x[1]; | |
1291 | x[7] = x[0]; | |
1292 | ||
1293 | y[0] = 0.0; | |
1294 | y[1] = y[0] + inclShortLength * TMath::Cos(angle3); | |
1295 | y[2] = y[1] - inclLongLength * TMath::Sin(angle1); | |
1296 | y[3] = y[2]; | |
1297 | y[4] = y[3] + thickness; | |
1298 | y[5] = y[4]; | |
1299 | y[6] = y[1] + thickness; | |
1300 | y[7] = y[0] + thickness; | |
1301 | ||
1302 | sizes.Set(7); | |
1303 | sizes[0] = totalLength; | |
1304 | sizes[1] = fullHeight; | |
1305 | sizes[2] = y[2]; | |
1306 | sizes[3] = y[6]; | |
1307 | sizes[4] = x[0]; | |
1308 | sizes[5] = x[3]; | |
1309 | sizes[6] = x[2]; | |
1310 | ||
7855ea93 | 1311 | if (isDummy) { |
1312 | // use this argument when one wants just the positions | |
1313 | // without creating any volume | |
1314 | return NULL; | |
1315 | } | |
1316 | ||
bc3498f4 | 1317 | TGeoXtru *shClip = new TGeoXtru(2); |
7855ea93 | 1318 | shClip->SetName("SHCLIPSPD"); |
bc3498f4 | 1319 | shClip->DefinePolygon(8, x, y); |
1320 | shClip->DefineSection(0, -0.5*totalLength, 0., 0., 1.0); | |
1321 | shClip->DefineSection(1, 0.5*totalLength, 0., 0., 1.0); | |
1322 | ||
7855ea93 | 1323 | TGeoBBox *shHole = new TGeoBBox("SH_CLIPSPDHOLE", 0.5*holeSize, 0.5*holeSize, 0.5*holeSize); |
1324 | TGeoTranslation *tr1 = new TGeoTranslation("TR_CLIPSPDHOLE1", x[2], 0.0, fgkmm*14.); | |
1325 | TGeoTranslation *tr2 = new TGeoTranslation("TR_CLIPSPDHOLE2", x[2], 0.0, 0.0); | |
1326 | TGeoTranslation *tr3 = new TGeoTranslation("TR_CLIPSPDHOLE3", x[2], 0.0, -fgkmm*14.); | |
bc3498f4 | 1327 | tr1->RegisterYourself(); |
1328 | tr2->RegisterYourself(); | |
1329 | tr3->RegisterYourself(); | |
1330 | ||
7855ea93 | 1331 | TString strExpr("SHCLIPSPD-("); |
bc3498f4 | 1332 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr1->GetName())); |
1333 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr2->GetName())); | |
1334 | strExpr.Append(Form("%s:%s)", shHole->GetName(), tr3->GetName())); | |
7855ea93 | 1335 | TGeoCompositeShape *shClipHole = new TGeoCompositeShape("SHCLIPSPDHOLES", strExpr.Data()); |
bc3498f4 | 1336 | |
7855ea93 | 1337 | TGeoMedium *medSPDcf = GetMedium("SPD C (M55J)$", mgr); |
1338 | TGeoVolume *vClip = new TGeoVolume("VOLCLIPSPD", shClipHole, medSPDcf); | |
bc3498f4 | 1339 | vClip->SetLineColor(kGray + 2); |
1340 | return vClip; | |
592651e2 | 1341 | } |
bc3498f4 | 1342 | // |
7855ea93 | 1343 | //______________________________________________________________________ |
1344 | TGeoCompositeShape* AliITSv11GeometrySPD::CreateGroundingFoilShape | |
1345 | (Int_t itype, Double_t &length, Double_t &width, Double_t thickness, TArrayD &sizes) | |
bc3498f4 | 1346 | { |
7855ea93 | 1347 | // |
1348 | // Creates the typical composite shape of the grounding foil: | |
1349 | // | |
1350 | // +---------------------------------------------------------------------------------------------------+ | |
1351 | // | 5 6 9 | | |
1352 | // | +--------------+ +----------------+ 10 | |
1353 | // | O | | | | |
1354 | // | 3 /-----+ 4 +------+ | |
1355 | // | 1 / 7 8 | |
1356 | // | /--------------/ | |
1357 | // +------------------------------------/ 2 + | |
1358 | // 0 | |
1359 | // Z + 11 | |
1360 | // | |
1361 | // This shape is used 4 times: two layers of glue, one in kapton and one in aluminum, | |
1362 | // taking into account that the aliminum layer has small differences in the size of some parts. | |
bc3498f4 | 1363 | // --- |
7855ea93 | 1364 | // In order to overcome problems apparently due to a large number of points, the shape creation |
1365 | // is done according the following steps: | |
1366 | // 1) a TGeoBBox is created with a size right enough to contain the whole shape (0-1-X-13) | |
1367 | // 2) holes are defined as other TGeoBBox which are subtracted from the main shape | |
1368 | // 3) a TGeoXtru is defined connecting the points (0-->11-->0) and is also subtracted from the main shape | |
1369 | // --- | |
1370 | // The argument ("type") is used to choose between all these | |
bc3498f4 | 1371 | // possibilities: |
1372 | // - type = 0 --> kapton layer | |
1373 | // - type = 1 --> aluminum layer | |
1374 | // - type = 2 --> glue layer between support and GF | |
1375 | // - type = 3 --> glue layer between GF and ladders | |
7855ea93 | 1376 | // Returns: a TGeoCompositeShape which will then be used to shape several volumes. |
1377 | // Since TGeoXtru is used, the local reference frame of this object has X horizontal and Y vertical w.r to | |
1378 | // the shape drawn above, and Z axis going perpendicularly to the screen. | |
1379 | // This is not the correct reference for the half stave, for which the "long" dimension is Z and the "short" | |
1380 | // is X, while Y goes in the direction of thickness. | |
1381 | // This will imply some rotations when using the volumes created with this shape. | |
1382 | // | |
1383 | ||
1384 | // suffix to differentiate names | |
1385 | Char_t type[10]; | |
1386 | ||
1387 | // size of the virtual box containing exactly this volume | |
1388 | length = fgkmm * 243.18; | |
1389 | width = fgkmm * 15.95; | |
1390 | if (itype == 1) { | |
1391 | length -= fgkmm * 0.4; | |
1392 | width -= fgkmm * 0.4; | |
1393 | } | |
1394 | switch (itype) { | |
1395 | case 0: | |
1396 | sprintf(type, "KAP"); | |
1397 | break; | |
1398 | case 1: | |
1399 | sprintf(type, "ALU"); | |
1400 | break; | |
1401 | case 2: | |
1402 | sprintf(type, "GLUE1"); | |
1403 | break; | |
1404 | case 3: | |
1405 | sprintf(type, "GLUE2"); | |
1406 | break; | |
1407 | } | |
1408 | // we divide the shape in several slices along the horizontal direction (local X) | |
1409 | // here we define define the length of all sectors (from leftmost to rightmost) | |
1410 | Int_t i; | |
1411 | Double_t sliceLength[] = { 140.71, 2.48, 26.78, 4.00, 10.00, 24.40, 10.00, 24.81 }; | |
1412 | for (i = 0; i < 8; i++) sliceLength[i] *= fgkmm; | |
1413 | if (itype == 1) { | |
1414 | sliceLength[0] -= fgkmm * 0.2; | |
1415 | sliceLength[4] -= fgkmm * 0.2; | |
1416 | sliceLength[5] += fgkmm * 0.4; | |
1417 | sliceLength[6] -= fgkmm * 0.4; | |
1418 | } | |
1419 | ||
1420 | // as shown in the drawing, we have four different widths (along local Y) in this shape: | |
1421 | Double_t widthMax = fgkmm * 15.95; | |
1422 | Double_t widthMed1 = fgkmm * 15.00; | |
1423 | Double_t widthMed2 = fgkmm * 11.00; | |
1424 | Double_t widthMin = fgkmm * 4.40; | |
1425 | if (itype == 1) { | |
1426 | widthMax -= fgkmm * 0.4; | |
1427 | widthMed1 -= fgkmm * 0.4; | |
1428 | widthMed2 -= fgkmm * 0.4; | |
1429 | widthMin -= fgkmm * 0.4; | |
1430 | } | |
1431 | ||
1432 | // create the main shape | |
1433 | TGeoBBox *shGroundFull = 0; | |
1434 | shGroundFull = new TGeoBBox(Form("SH_GFOIL_%s_FULL", type), 0.5*length, 0.5*width, 0.5*thickness); | |
1435 | ||
1436 | // create the polygonal shape to be subtracted to give the correct shape to the borders | |
1437 | // its vertices are defined in sugh a way that this polygonal will be placed in the correct place | |
1438 | // considered that the origin of the local reference frame is in the center of the main box: | |
1439 | // we fix the starting point at the lower-left edge of the shape (point 12), | |
1440 | // and add all points in order, following a clockwise rotation | |
1441 | ||
1442 | Double_t x[13], y[13]; | |
1443 | x[ 0] = -0.5 * length + sliceLength[0]; | |
1444 | y[ 0] = -0.5 * widthMax; | |
1445 | ||
1446 | x[ 1] = x[0] + sliceLength[1]; | |
1447 | y[ 1] = y[0] + (widthMax - widthMed1); | |
1448 | ||
1449 | x[ 2] = x[1] + sliceLength[2]; | |
1450 | y[ 2] = y[1]; | |
1451 | ||
1452 | x[ 3] = x[2] + sliceLength[3]; | |
1453 | y[ 3] = y[2] + (widthMed1 - widthMed2); | |
1454 | ||
1455 | x[ 4] = x[3] + sliceLength[4]; | |
1456 | y[ 4] = y[3]; | |
1457 | ||
1458 | x[ 5] = x[4]; | |
1459 | y[ 5] = y[4] + (widthMed2 - widthMin); | |
1460 | ||
1461 | x[ 6] = x[5] + sliceLength[5]; | |
1462 | y[ 6] = y[5]; | |
1463 | ||
1464 | x[ 7] = x[6]; | |
1465 | y[ 7] = y[4]; | |
1466 | ||
1467 | x[ 8] = x[7] + sliceLength[6]; | |
1468 | y[ 8] = y[7]; | |
1469 | ||
1470 | x[ 9] = x[8]; | |
1471 | y[ 9] = y[6]; | |
1472 | ||
1473 | x[10] = x[9] + sliceLength[7] + 0.5; | |
1474 | y[10] = y[9]; | |
1475 | ||
1476 | x[11] = x[10]; | |
1477 | y[11] = y[0] - 0.5; | |
1478 | ||
1479 | x[12] = x[0]; | |
1480 | y[12] = y[11]; | |
1481 | ||
1482 | // create the shape | |
1483 | TGeoXtru *shGroundXtru = new TGeoXtru(2); | |
1484 | shGroundXtru->SetName(Form("SH_GFOIL_%s_XTRU", type)); | |
1485 | shGroundXtru->DefinePolygon(13, x, y); | |
1486 | shGroundXtru->DefineSection(0, -thickness, 0., 0., 1.0); | |
1487 | shGroundXtru->DefineSection(1, thickness, 0., 0., 1.0); | |
1488 | ||
1489 | // define a string which will express the algebric operations among volumes | |
1490 | // and add the subtraction of this shape from the main one | |
1491 | TString strComposite(Form("SH_GFOIL_%s_FULL - (%s + ", type, shGroundXtru->GetName())); | |
1492 | ||
1493 | // define the holes according to size information coming from drawings: | |
1494 | Double_t holeLength = fgkmm * 10.00; | |
1495 | Double_t holeWidth = fgkmm * 7.50; | |
1496 | Double_t holeSepX0 = fgkmm * 7.05; // separation between center of first hole and left border | |
1497 | Double_t holeSepXC = fgkmm * 14.00; // separation between the centers of two consecutive holes | |
1498 | Double_t holeSepX1 = fgkmm * 15.42; // separation between centers of 5th and 6th hole | |
1499 | Double_t holeSepX2 = fgkmm * 22.00; // separation between centers of 10th and 11th hole | |
1500 | if (itype == 1) { | |
1501 | holeSepX0 -= fgkmm * 0.2; | |
1502 | holeLength += fgkmm * 0.4; | |
1503 | holeWidth += fgkmm * 0.4; | |
1504 | } | |
1505 | sizes.Set(7); | |
1506 | sizes[0] = holeLength; | |
1507 | sizes[1] = holeWidth; | |
1508 | sizes[2] = holeSepX0; | |
1509 | sizes[3] = holeSepXC; | |
1510 | sizes[4] = holeSepX1; | |
1511 | sizes[5] = holeSepX2; | |
1512 | sizes[6] = fgkmm * 4.40; | |
1513 | ||
1514 | // X position of hole center (will change for each hole) | |
1515 | Double_t holeX = -0.5*length; | |
1516 | // Y position of center of all holes (= 4.4 mm from upper border) | |
1517 | Double_t holeY = 0.5*(width - holeWidth) - widthMin; | |
1518 | ||
1519 | // create a shape for the holes (common) | |
1520 | TGeoBBox *shHole = 0; | |
1521 | shHole = new TGeoBBox(Form("%sGFOIL_HOLE", type), 0.5*holeLength, 0.5*holeWidth, thickness); | |
1522 | ||
1523 | // insert the holes in the XTRU shape: | |
1524 | // starting from the first value of X, they are simply shifted along this axis | |
1525 | char name[200]; | |
1526 | TGeoTranslation *transHole[11]; | |
1527 | for (Int_t i = 0; i < 11; i++) { | |
1528 | // set the position of the hole, depending on index | |
1529 | if (i == 0) { | |
1530 | holeX += holeSepX0; | |
1531 | } | |
1532 | else if (i < 5) { | |
1533 | holeX += holeSepXC; | |
1534 | } | |
1535 | else if (i == 5) { | |
1536 | holeX += holeSepX1; | |
1537 | } | |
1538 | else if (i < 10) { | |
1539 | holeX += holeSepXC; | |
1540 | } | |
1541 | else { | |
1542 | holeX += holeSepX2; | |
1543 | } | |
1544 | //cout << i << " --> X = " << holeX << endl; | |
1545 | sprintf(name, "TR_GFOIL_%s_HOLE%d", type, i); | |
1546 | transHole[i] = new TGeoTranslation(name, holeX, holeY, 0.0); | |
592651e2 | 1547 | transHole[i]->RegisterYourself(); |
7855ea93 | 1548 | strComposite.Append(Form("%sGFOIL_HOLE:%s", type, name)); |
1549 | if (i < 10) strComposite.Append("+"); else strComposite.Append(")"); | |
1550 | } | |
1551 | ||
592651e2 | 1552 | // create composite shape |
7855ea93 | 1553 | TGeoCompositeShape *shGround = new TGeoCompositeShape(Form("SH_GFOIL_%s", type), strComposite.Data()); |
1554 | ||
1555 | return shGround; | |
592651e2 | 1556 | } |
bc3498f4 | 1557 | // |
1558 | //__________________________________________________________________________________________ | |
1559 | TGeoVolume* AliITSv11GeometrySPD::CreateGroundingFoil | |
7855ea93 | 1560 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) |
bc3498f4 | 1561 | { |
7855ea93 | 1562 | // |
1563 | // Create a volume containing all parts of the grounding foil a for a half-stave. | |
1564 | // It consists of 4 layers with the same shape but different thickness: | |
1565 | // 1) a layer of glue | |
1566 | // 2) the aluminum layer | |
1567 | // 3) the kapton layer | |
1568 | // 4) another layer of glue | |
592651e2 | 1569 | // --- |
1570 | // Arguments: | |
bc3498f4 | 1571 | // 1: a boolean value to know if it is the grounding foir for |
1572 | // the right or left side | |
1573 | // 2: a TArrayD which will contain the dimension of the container box: | |
1574 | // - size[0] = length along Z (the beam line direction) | |
1575 | // - size[1] = the 'width' of the stave, which defines, together | |
1576 | // with Z, the plane of the carbon fiber support | |
1577 | // - size[2] = 'thickness' (= the direction along which all | |
1578 | // stave components are superimposed) | |
1579 | // 3: the TGeoManager | |
592651e2 | 1580 | // --- |
bc3498f4 | 1581 | // The return value is a TGeoBBox volume containing all grounding |
1582 | // foil components. | |
7855ea93 | 1583 | |
bc3498f4 | 1584 | // to avoid strange behaviour of the geometry manager, |
1585 | // create a suffix to be used in the names of all shapes | |
1586 | char suf[5]; | |
1587 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); | |
7855ea93 | 1588 | |
bc3498f4 | 1589 | // this volume will be created in order to ease its placement in |
1590 | // the half-stave; then, it is added here the small distance of | |
1591 | // the "central" edge of each volume from the Z=0 plane in the stave | |
1592 | // reference (which coincides with ALICE one) | |
7855ea93 | 1593 | Double_t dist = fgkmm * 0.71; |
1594 | ||
1595 | // define materials | |
1596 | TGeoMedium *medKap = GetMedium("SPD KAPTON(POLYCH2)$", mgr); | |
1597 | TGeoMedium *medAlu = GetMedium("AL$", mgr); | |
1598 | TGeoMedium *medGlue = GetMedium("EPOXY$", mgr); //??? GLUE_GF_SUPPORT | |
1599 | ||
1600 | // compute the volume shapes (thicknesses change from one to the other) | |
1601 | Double_t kpLength, kpWidth, alLength, alWidth; | |
1602 | TArrayD kpSize, alSize, glSize; | |
1603 | Double_t kpThickness = fgkmm * 0.05; | |
1604 | Double_t alThickness = fgkmm * 0.025; | |
1605 | Double_t glThickness = fgkmm * 0.1175 - fgkGapLadder; | |
1606 | TGeoCompositeShape *kpShape = CreateGroundingFoilShape(0, kpLength, kpWidth, kpThickness, kpSize); | |
1607 | TGeoCompositeShape *alShape = CreateGroundingFoilShape(1, alLength, alWidth, alThickness, alSize); | |
1608 | TGeoCompositeShape *glShape = CreateGroundingFoilShape(2, kpLength, kpWidth, glThickness, glSize); | |
1609 | ||
bc3498f4 | 1610 | // create the component volumes and register their sizes in the |
1611 | // passed arrays for readability reasons, some reference variables | |
1612 | // explicit the meaning of the array slots | |
7855ea93 | 1613 | TGeoVolume *kpVol = new TGeoVolume(Form("GFOIL_KAP_%s", suf), kpShape, medKap); |
1614 | TGeoVolume *alVol = new TGeoVolume(Form("GFOIL_ALU_%s", suf), alShape, medAlu); | |
1615 | TGeoVolume *glVol = new TGeoVolume(Form("GFOIL_GLUE_%s", suf), glShape, medGlue); | |
1616 | ||
1617 | // set colors for the volumes | |
1618 | kpVol->SetLineColor(kRed); | |
1619 | alVol->SetLineColor(kGray); | |
1620 | glVol->SetLineColor(kYellow); | |
1621 | ||
bc3498f4 | 1622 | // create references for the final size object |
1623 | if (sizes.GetSize() != 3) sizes.Set(3); | |
1624 | Double_t &fullThickness = sizes[0]; | |
1625 | Double_t &fullLength = sizes[1]; | |
7855ea93 | 1626 | Double_t &fullWidth = sizes[2]; |
bc3498f4 | 1627 | // kapton leads the larger dimensions of the foil |
1628 | // (including the cited small distance from Z=0 stave reference plane) | |
1629 | // the thickness is the sum of the ones of all components | |
7855ea93 | 1630 | fullLength = kpLength + dist; |
1631 | fullWidth = kpWidth; | |
1632 | fullThickness = kpThickness + alThickness + 2.0 * glThickness; | |
592651e2 | 1633 | // create the container |
bc3498f4 | 1634 | TGeoMedium *air = GetMedium("AIR$", mgr); |
7855ea93 | 1635 | TGeoVolume *container = mgr->MakeBox(Form("GFOIL_%s", suf), air, 0.5*fullThickness, 0.5*fullWidth, 0.5*fullLength); |
1636 | // create the common correction rotation (which depends of what side we are building) | |
bc3498f4 | 1637 | TGeoRotation *rotCorr = new TGeoRotation(*gGeoIdentity); |
1638 | if (isRight) rotCorr->RotateY(90.0); | |
1639 | else rotCorr->RotateY(-90.0); | |
7855ea93 | 1640 | // compute the translations, which are in the length and thickness directions |
bc3498f4 | 1641 | Double_t x, y, z, shift = 0.0; |
1642 | if (isRight) shift = dist; | |
1643 | // glue (bottom) | |
7855ea93 | 1644 | x = -0.5*(fullThickness - glThickness); |
bc3498f4 | 1645 | z = 0.5*(fullLength - kpLength) - shift; |
7855ea93 | 1646 | TGeoCombiTrans *glTrans0 = new TGeoCombiTrans(x, 0.0, z, rotCorr); |
bc3498f4 | 1647 | // kapton |
7855ea93 | 1648 | x += 0.5*(glThickness + kpThickness); |
bc3498f4 | 1649 | TGeoCombiTrans *kpTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); |
1650 | // aluminum | |
1651 | x += 0.5*(kpThickness + alThickness); | |
1652 | z = 0.5*(fullLength - alLength) - shift - 0.5*(kpLength - alLength); | |
1653 | TGeoCombiTrans *alTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1654 | // glue (top) | |
7855ea93 | 1655 | x += 0.5*(alThickness + glThickness); |
bc3498f4 | 1656 | z = 0.5*(fullLength - kpLength) - shift; |
7855ea93 | 1657 | TGeoCombiTrans *glTrans1 = new TGeoCombiTrans(x, 0.0, z, rotCorr); |
592651e2 | 1658 | |
1659 | // add to container | |
bc3498f4 | 1660 | container->AddNode(kpVol, 0, kpTrans); |
1661 | container->AddNode(alVol, 0, alTrans); | |
7855ea93 | 1662 | container->AddNode(glVol, 0, glTrans0); |
1663 | container->AddNode(glVol, 1, glTrans1); | |
bc3498f4 | 1664 | // to add the grease we remember the sizes of the holes, stored as |
1665 | // additional parameters in the kapton layer size: | |
1666 | // - sizes[3] = hole length | |
1667 | // - sizes[4] = hole width | |
1668 | // - sizes[5] = position of first hole center | |
1669 | // - sizes[6] = standard separation between holes | |
1670 | // - sizes[7] = separation between 5th and 6th hole | |
1671 | // - sizes[8] = separation between 10th and 11th hole | |
1672 | // - sizes[9] = separation between the upper hole border and | |
1673 | // the foil border | |
7855ea93 | 1674 | Double_t holeLength = kpSize[0]; |
1675 | Double_t holeWidth = kpSize[1]; | |
1676 | Double_t holeFirstZ = kpSize[2]; | |
1677 | Double_t holeSepZ = kpSize[3]; | |
1678 | Double_t holeSep5th6th = kpSize[4]; | |
1679 | Double_t holeSep10th11th = kpSize[5]; | |
1680 | Double_t holeSepY = kpSize[6]; | |
bc3498f4 | 1681 | // volume (common) |
1682 | TGeoMedium *grease = GetMedium("SPD KAPTON(POLYCH2)$", mgr); // ??? GREASE | |
7855ea93 | 1683 | TGeoVolume *hVol = mgr->MakeBox("GREASE", grease, 0.5*fullThickness, 0.5*holeWidth, 0.5*holeLength); |
bc3498f4 | 1684 | hVol->SetLineColor(kBlue); |
1685 | // displacement of volumes in the container | |
1686 | Int_t idx = 0; | |
1687 | x = 0.0; | |
1688 | y = 0.5*(fullWidth - holeWidth) - holeSepY; | |
1689 | if (isRight) z = holeFirstZ - 0.5*fullLength + dist; | |
1690 | else z = 0.5*fullLength - holeFirstZ - dist; | |
1691 | for (Int_t i = 0; i < 11; i++) { | |
1692 | TGeoTranslation *t = 0; | |
1693 | t = new TGeoTranslation(x, y, -z); | |
1694 | container->AddNode(hVol, idx++, t); | |
1695 | if (i < 4) shift = holeSepZ; | |
1696 | else if (i == 4) shift = holeSep5th6th; | |
1697 | else if (i < 9) shift = holeSepZ; | |
1698 | else shift = holeSep10th11th; | |
1699 | if (isRight) z += shift; | |
1700 | else z -= shift; | |
7855ea93 | 1701 | } |
592651e2 | 1702 | return container; |
1703 | } | |
bc3498f4 | 1704 | // |
1705 | //__________________________________________________________________________________________ | |
1706 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateMCM | |
1707 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) const | |
1708 | { | |
7855ea93 | 1709 | // |
1710 | // Create a TGeoAssembly containing all the components of the MCM. | |
1711 | // The TGeoVolume container is rejected due to the possibility of overlaps | |
1712 | // when placing this object on the carbon fiber sector. | |
1713 | // The assembly contains: | |
1714 | // - the thin part of the MCM (integrated circuit) | |
1715 | // - the MCM chips (specifications from EDMS) | |
1716 | // - the cap which covers the zone where chips are bound to MCM | |
592651e2 | 1717 | // --- |
7855ea93 | 1718 | // The local reference frame of this assembly is defined in such a way |
1719 | // that all volumes are contained in a virtual box whose center | |
1720 | // is placed exactly in the middle of the occupied space w.r to all directions. | |
1721 | // This will ease the positioning of this object in the half-stave. | |
1722 | // The sizes of this virtual box are stored in | |
bc3498f4 | 1723 | // the array passed by reference. |
592651e2 | 1724 | // --- |
bc3498f4 | 1725 | // Arguments: |
7855ea93 | 1726 | // - a boolean flag to know if this is the "left" or "right" MCM, when |
bc3498f4 | 1727 | // looking at the stave from above (i.e. the direction from which |
7855ea93 | 1728 | // one sees bus over ladders over grounding foil) and keeping the continuous border |
1729 | // in the upper part, one sees the thicker part on the left or right. | |
1730 | // - an array passed by reference which will contain the size of the virtual container. | |
bc3498f4 | 1731 | // - a pointer to the used TGeoManager. |
7855ea93 | 1732 | // |
1733 | ||
1734 | // to distinguish the "left" and "right" objects, a suffix is created | |
bc3498f4 | 1735 | char suf[5]; |
7855ea93 | 1736 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); |
1737 | ||
bc3498f4 | 1738 | // ** MEDIA ** |
1739 | TGeoMedium *medBase = GetMedium("SPD KAPTON(POLYCH2)$",mgr);// ??? MCM BASE | |
bc3498f4 | 1740 | TGeoMedium *medChip = GetMedium("SPD SI CHIP$",mgr); |
1741 | TGeoMedium *medCap = GetMedium("AL$",mgr); | |
7855ea93 | 1742 | |
bc3498f4 | 1743 | // The shape of the MCM is divided into 3 sectors with different |
1744 | // widths (Y) and lengths (X), like in this sketch: | |
592651e2 | 1745 | // |
bc3498f4 | 1746 | // 0 1 2 |
1747 | // +---------------------+-----------------------------------+ | |
1748 | // | 4 sect 2 | | |
1749 | // | 6 sect 1 /-------------------+ | |
1750 | // | sect 0 /--------------/ 3 | |
1751 | // +--------------------/ 5 | |
1752 | // 8 7 | |
592651e2 | 1753 | // |
bc3498f4 | 1754 | // the inclination of all oblique borders (6-7, 4-5) is always 45 degrees. |
1755 | // From drawings we can parametrize the dimensions of all these sectors, | |
7855ea93 | 1756 | // then the shape of this part of the MCM is implemented as a |
1757 | // TGeoXtru centerd in the virtual XY space. | |
1758 | // The first step is definig the relevant sizes of this shape: | |
bc3498f4 | 1759 | Int_t i, j; |
1760 | Double_t mcmThickness = fgkmm * 0.35; | |
7855ea93 | 1761 | Double_t sizeXtot = fgkmm * 105.6; // total distance (0-2) |
bc3498f4 | 1762 | // resp. 7-8, 5-6 and 3-4 |
1763 | Double_t sizeXsector[3] = {fgkmm * 28.4, fgkmm * 41.4, fgkmm * 28.8}; | |
1764 | // resp. 0-8, 1-6 and 2-3 | |
1765 | Double_t sizeYsector[3] = {fgkmm * 15.0, fgkmm * 11.0, fgkmm * 8.0}; | |
1766 | Double_t sizeSep01 = fgkmm * 4.0; // x(6)-x(7) | |
1767 | Double_t sizeSep12 = fgkmm * 3.0; // x(4)-x(5) | |
7855ea93 | 1768 | |
bc3498f4 | 1769 | // define sizes of chips (last is the thickest) |
1770 | Double_t chipLength[5] = { 4.00, 6.15, 3.85, 5.60, 18.00 }; | |
1771 | Double_t chipWidth[5] = { 3.00, 4.10, 3.85, 5.60, 5.45 }; | |
1772 | Double_t chipThickness[5] = { 0.60, 0.30, 0.30, 1.00, 1.20 }; | |
1773 | TString name[5]; | |
1774 | name[0] = "ANALOG"; | |
1775 | name[1] = "PILOT"; | |
1776 | name[2] = "GOL"; | |
1777 | name[3] = "RX40"; | |
1778 | name[4] = "OPTICAL"; | |
1779 | Color_t color[5] = { kCyan, kGreen, kYellow, kBlue, kOrange }; | |
297369a1 | 1780 | |
bc3498f4 | 1781 | // define the sizes of the cover |
1782 | Double_t capThickness = fgkmm * 0.3; | |
1783 | Double_t capHeight = fgkmm * 1.7; | |
7855ea93 | 1784 | |
bc3498f4 | 1785 | // compute the total size of the virtual container box |
7855ea93 | 1786 | sizes.Set(3); |
bc3498f4 | 1787 | Double_t &thickness = sizes[0]; |
1788 | Double_t &length = sizes[1]; | |
1789 | Double_t &width = sizes[2]; | |
1790 | length = sizeXtot; | |
1791 | width = sizeYsector[0]; | |
7855ea93 | 1792 | thickness = mcmThickness + capHeight; |
1793 | ||
bc3498f4 | 1794 | // define all the relevant vertices of the polygon |
1795 | // which defines the transverse shape of the MCM. | |
1796 | // These values are used to several purposes, and | |
1797 | // for each one, some points must be excluded | |
1798 | Double_t xRef[9], yRef[9]; | |
1799 | xRef[0] = -0.5*sizeXtot; | |
1800 | yRef[0] = 0.5*sizeYsector[0]; | |
1801 | xRef[1] = xRef[0] + sizeXsector[0] + sizeSep01; | |
1802 | yRef[1] = yRef[0]; | |
1803 | xRef[2] = -xRef[0]; | |
1804 | yRef[2] = yRef[0]; | |
1805 | xRef[3] = xRef[2]; | |
1806 | yRef[3] = yRef[2] - sizeYsector[2]; | |
1807 | xRef[4] = xRef[3] - sizeXsector[2]; | |
1808 | yRef[4] = yRef[3]; | |
1809 | xRef[5] = xRef[4] - sizeSep12; | |
1810 | yRef[5] = yRef[4] - sizeSep12; | |
1811 | xRef[6] = xRef[5] - sizeXsector[1]; | |
1812 | yRef[6] = yRef[5]; | |
1813 | xRef[7] = xRef[6] - sizeSep01; | |
1814 | yRef[7] = yRef[6] - sizeSep01; | |
1815 | xRef[8] = xRef[0]; | |
1816 | yRef[8] = -yRef[0]; | |
7855ea93 | 1817 | |
bc3498f4 | 1818 | // the above points are defined for the "right" MCM (if ve view the |
1819 | // stave from above) in order to change to the "left" one, we must | |
1820 | // change the sign to all X values: | |
1821 | if (isRight) for (i = 0; i < 9; i++) xRef[i] = -xRef[i]; | |
7855ea93 | 1822 | |
bc3498f4 | 1823 | // the shape of the MCM and glue layer are done excluding point 1, |
1824 | // which is not necessary and cause the geometry builder to get confused | |
1825 | j = 0; | |
1826 | Double_t xBase[8], yBase[8]; | |
1827 | for (i = 0; i < 9; i++) { | |
1828 | if (i == 1) continue; | |
1829 | xBase[j] = xRef[i]; | |
1830 | yBase[j] = yRef[i]; | |
1831 | j++; | |
7855ea93 | 1832 | } |
592651e2 | 1833 | |
7855ea93 | 1834 | // the MCM cover is superimposed over the zones 1 and 2 only |
bc3498f4 | 1835 | Double_t xCap[6], yCap[6]; |
1836 | j = 0; | |
1837 | for (i = 1; i <= 6; i++) { | |
1838 | xCap[j] = xRef[i]; | |
1839 | yCap[j] = yRef[i]; | |
1840 | j++; | |
7855ea93 | 1841 | } |
592651e2 | 1842 | |
bc3498f4 | 1843 | // define positions of chips, |
1844 | // which must be added to the bottom-left corner of MCM | |
1845 | // and divided by 1E4; | |
1846 | Double_t chipX[5], chipY[5]; | |
1847 | if (isRight) { | |
1848 | chipX[0] = 666320.; | |
1849 | chipX[1] = 508320.; | |
1850 | chipX[2] = 381320.; | |
1851 | chipX[3] = 295320.; | |
1852 | chipX[4] = 150320.; | |
1853 | chipY[0] = 23750.; | |
1854 | chipY[1] = 27750.; | |
1855 | chipY[2] = 20750.; | |
1856 | chipY[3] = 42750.; | |
1857 | chipY[4] = 39750.; | |
7855ea93 | 1858 | } |
1859 | else { | |
bc3498f4 | 1860 | chipX[0] = 389730.; |
1861 | chipX[1] = 548630.; | |
1862 | chipX[2] = 674930.; | |
1863 | chipX[3] = 761430.; | |
1864 | chipX[4] = 905430.; | |
1865 | chipY[0] = 96250.; | |
1866 | chipY[1] = 91950.; | |
1867 | chipY[2] = 99250.; | |
1868 | chipY[3] = 107250.; | |
1869 | chipY[4] = 109750.; | |
7855ea93 | 1870 | } |
bc3498f4 | 1871 | for (i = 0; i < 5; i++) { |
1872 | chipX[i] *= 0.00001; | |
1873 | chipY[i] *= 0.00001; | |
1874 | if (isRight) { | |
1875 | chipX[i] += xRef[3]; | |
1876 | chipY[i] += yRef[3]; | |
1877 | } else { | |
1878 | chipX[i] += xRef[8]; | |
1879 | chipY[i] += yRef[8]; | |
1880 | } // end for isRight | |
1881 | chipLength[i] *= fgkmm; | |
1882 | chipWidth[i] *= fgkmm; | |
1883 | chipThickness[i] *= fgkmm; | |
7855ea93 | 1884 | } |
1885 | ||
bc3498f4 | 1886 | // create shapes for MCM |
1887 | Double_t z1, z2; | |
1888 | TGeoXtru *shBase = new TGeoXtru(2); | |
bc3498f4 | 1889 | z1 = -0.5*thickness; |
bc3498f4 | 1890 | z2 = z1 + mcmThickness; |
1891 | shBase->DefinePolygon(8, xBase, yBase); | |
1892 | shBase->DefineSection(0, z1, 0., 0., 1.0); | |
1893 | shBase->DefineSection(1, z2, 0., 0., 1.0); | |
1894 | ||
1895 | // create volumes of MCM | |
1896 | TGeoVolume *volBase = new TGeoVolume("BASE", shBase, medBase); | |
1897 | volBase->SetLineColor(kRed); | |
bc3498f4 | 1898 | |
1899 | // to create the border of the MCM cover, it is required the | |
1900 | // subtraction of two shapes the outer is created using the | |
1901 | // reference points defined here | |
1902 | TGeoXtru *shCapOut = new TGeoXtru(2); | |
1903 | shCapOut->SetName(Form("SHCAPOUT%s", suf)); | |
1904 | z1 = z2; | |
1905 | z2 = z1 + capHeight - capThickness; | |
1906 | shCapOut->DefinePolygon(6, xCap, yCap); | |
1907 | shCapOut->DefineSection(0, z1, 0., 0., 1.0); | |
1908 | shCapOut->DefineSection(1, z2, 0., 0., 1.0); | |
1909 | // the inner is built similarly but subtracting the thickness | |
1910 | Double_t angle, cs; | |
1911 | Double_t xin[6], yin[6]; | |
1912 | if (!isRight) { | |
1913 | angle = 45.0; | |
1914 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
1915 | xin[0] = xCap[0] + capThickness; | |
1916 | yin[0] = yCap[0] - capThickness; | |
1917 | xin[1] = xCap[1] - capThickness; | |
1918 | yin[1] = yin[0]; | |
1919 | xin[2] = xin[1]; | |
1920 | yin[2] = yCap[2] + capThickness; | |
1921 | xin[3] = xCap[3] - capThickness*cs; | |
1922 | yin[3] = yin[2]; | |
1923 | xin[4] = xin[3] - sizeSep12; | |
1924 | yin[4] = yCap[4] + capThickness; | |
1925 | xin[5] = xin[0]; | |
1926 | yin[5] = yin[4]; | |
7855ea93 | 1927 | } |
1928 | else { | |
bc3498f4 | 1929 | angle = 45.0; |
1930 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
1931 | xin[0] = xCap[0] - capThickness; | |
1932 | yin[0] = yCap[0] - capThickness; | |
1933 | xin[1] = xCap[1] + capThickness; | |
1934 | yin[1] = yin[0]; | |
1935 | xin[2] = xin[1]; | |
1936 | yin[2] = yCap[2] + capThickness; | |
1937 | xin[3] = xCap[3] - capThickness*cs; | |
1938 | yin[3] = yin[2]; | |
1939 | xin[4] = xin[3] + sizeSep12; | |
1940 | yin[4] = yCap[4] + capThickness; | |
1941 | xin[5] = xin[0]; | |
1942 | yin[5] = yin[4]; | |
7855ea93 | 1943 | } |
bc3498f4 | 1944 | TGeoXtru *shCapIn = new TGeoXtru(2); |
1945 | shCapIn->SetName(Form("SHCAPIN%s", suf)); | |
1946 | shCapIn->DefinePolygon(6, xin, yin); | |
1947 | shCapIn->DefineSection(0, z1 - 0.01, 0., 0., 1.0); | |
1948 | shCapIn->DefineSection(1, z2 + 0.01, 0., 0., 1.0); | |
1949 | // compose shapes | |
7855ea93 | 1950 | TGeoCompositeShape *shCapBorder = new TGeoCompositeShape(Form("SHBORDER%s", suf), |
bc3498f4 | 1951 | Form("%s-%s", shCapOut->GetName(), |
7855ea93 | 1952 | shCapIn->GetName())); |
bc3498f4 | 1953 | // create volume |
1954 | TGeoVolume *volCapBorder = new TGeoVolume("CAPBORDER",shCapBorder,medCap); | |
1955 | volCapBorder->SetLineColor(kGreen); | |
1956 | // finally, we create the top of the cover, which has the same | |
1957 | // shape of outer border and a thickness equal of the one othe | |
1958 | // cover border one | |
1959 | TGeoXtru *shCapTop = new TGeoXtru(2); | |
1960 | z1 = z2; | |
1961 | z2 = z1 + capThickness; | |
1962 | shCapTop->DefinePolygon(6, xCap, yCap); | |
1963 | shCapTop->DefineSection(0, z1, 0., 0., 1.0); | |
1964 | shCapTop->DefineSection(1, z2, 0., 0., 1.0); | |
1965 | TGeoVolume *volCapTop = new TGeoVolume("CAPTOP", shCapTop, medCap); | |
1966 | volCapTop->SetLineColor(kBlue); | |
1967 | ||
7855ea93 | 1968 | // create container assembly with right suffix |
1969 | TGeoVolumeAssembly *mcmAssembly = new TGeoVolumeAssembly(Form("MCM_%", suf)); | |
bc3498f4 | 1970 | |
7855ea93 | 1971 | // add mcm layer |
bc3498f4 | 1972 | mcmAssembly->AddNode(volBase, 0, gGeoIdentity); |
7855ea93 | 1973 | // add chips |
bc3498f4 | 1974 | for (i = 0; i < 5; i++) { |
7855ea93 | 1975 | TGeoVolume *box = gGeoManager->MakeBox(name[i], medChip, 0.5*chipLength[i], 0.5*chipWidth[i], 0.5*chipThickness[i]); |
1976 | TGeoTranslation *tr = new TGeoTranslation(chipX[i], chipY[i], 0.5*(-thickness + chipThickness[i]) + mcmThickness); | |
bc3498f4 | 1977 | box->SetLineColor(color[i]); |
1978 | mcmAssembly->AddNode(box, 0, tr); | |
7855ea93 | 1979 | } |
1980 | // add cap border | |
bc3498f4 | 1981 | mcmAssembly->AddNode(volCapBorder, 0, gGeoIdentity); |
7855ea93 | 1982 | // add cap top |
bc3498f4 | 1983 | mcmAssembly->AddNode(volCapTop, 0, gGeoIdentity); |
7855ea93 | 1984 | |
bc3498f4 | 1985 | return mcmAssembly; |
592651e2 | 1986 | } |
bc3498f4 | 1987 | // |
1988 | //__________________________________________________________________________________________ | |
1989 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBus | |
1990 | (Bool_t isRight, TArrayD &sizes, TGeoManager *mgr) const | |
1991 | { | |
1992 | // | |
1993 | // The pixel bus is implemented as a TGeoBBox with some objects on it, | |
1994 | // which could affect the particle energy loss. | |
592651e2 | 1995 | // --- |
bc3498f4 | 1996 | // In order to avoid confusion, the bus is directly displaced |
1997 | // according to the axis orientations which are used in the final stave: | |
1998 | // X --> thickness direction | |
1999 | // Y --> width direction | |
2000 | // Z --> length direction | |
592651e2 | 2001 | // |
bc3498f4 | 2002 | |
592651e2 | 2003 | |
bc3498f4 | 2004 | // ** MEDIA ** |
2005 | ||
2006 | //PIXEL BUS | |
2007 | TGeoMedium *medBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr); | |
2008 | TGeoMedium *medPt1000 = GetMedium("CERAMICS$",mgr); // ??? PT1000 | |
2009 | // Capacity | |
2010 | TGeoMedium *medCap = GetMedium("SDD X7R capacitors$",mgr); | |
2011 | // ??? Resistance | |
2012 | TGeoMedium *medRes = GetMedium("SDD X7R capacitors$",mgr); | |
2013 | // ** SIZES & POSITIONS ** | |
2014 | Double_t busLength = 170.501 * fgkmm; // length of plane part | |
2015 | Double_t busWidth = 13.800 * fgkmm; // width | |
2016 | Double_t busThickness = 0.280 * fgkmm; // thickness | |
2017 | Double_t pt1000Length = fgkmm * 1.50; | |
2018 | Double_t pt1000Width = fgkmm * 3.10; | |
2019 | Double_t pt1000Thickness = fgkmm * 0.60; | |
2020 | Double_t pt1000Y, pt1000Z[10];// position of the pt1000's along the bus | |
2021 | Double_t capLength = fgkmm * 2.55; | |
2022 | Double_t capWidth = fgkmm * 1.50; | |
2023 | Double_t capThickness = fgkmm * 1.35; | |
2024 | Double_t capY[2], capZ[2]; | |
2025 | ||
2026 | Double_t resLength = fgkmm * 2.20; | |
2027 | Double_t resWidth = fgkmm * 0.80; | |
2028 | Double_t resThickness = fgkmm * 0.35; | |
2029 | Double_t resY[2], resZ[2]; | |
2030 | ||
2031 | // position of pt1000, resistors and capacitors depends on the | |
2032 | // bus if it's left or right one | |
2033 | if (!isRight) { | |
2034 | pt1000Y = 64400.; | |
2035 | pt1000Z[0] = 66160.; | |
2036 | pt1000Z[1] = 206200.; | |
2037 | pt1000Z[2] = 346200.; | |
2038 | pt1000Z[3] = 486200.; | |
2039 | pt1000Z[4] = 626200.; | |
2040 | pt1000Z[5] = 776200.; | |
2041 | pt1000Z[6] = 916200.; | |
2042 | pt1000Z[7] = 1056200.; | |
2043 | pt1000Z[8] = 1196200.; | |
2044 | pt1000Z[9] = 1336200.; | |
2045 | resZ[0] = 1397500.; | |
2046 | resY[0] = 26900.; | |
2047 | resZ[1] = 682500.; | |
2048 | resY[1] = 27800.; | |
2049 | capZ[0] = 1395700.; | |
2050 | capY[0] = 45700.; | |
2051 | capZ[1] = 692600.; | |
2052 | capY[1] = 45400.; | |
2053 | } else { | |
2054 | pt1000Y = 66100.; | |
2055 | pt1000Z[0] = 319700.; | |
2056 | pt1000Z[1] = 459700.; | |
2057 | pt1000Z[2] = 599700.; | |
2058 | pt1000Z[3] = 739700.; | |
2059 | pt1000Z[4] = 879700.; | |
2060 | pt1000Z[5] = 1029700.; | |
2061 | pt1000Z[6] = 1169700.; | |
2062 | pt1000Z[7] = 1309700.; | |
2063 | pt1000Z[8] = 1449700.; | |
2064 | pt1000Z[9] = 1589700.; | |
2065 | capY[0] = 44500.; | |
2066 | capZ[0] = 266700.; | |
2067 | capY[1] = 44300.; | |
2068 | capZ[1] = 974700.; | |
2069 | resZ[0] = 266500.; | |
2070 | resY[0] = 29200.; | |
2071 | resZ[1] = 974600.; | |
2072 | resY[1] = 29900.; | |
2073 | } // end if isRight | |
2074 | Int_t i; | |
2075 | pt1000Y *= 1E-4 * fgkmm; | |
2076 | for (i = 0; i < 10; i++) { | |
2077 | pt1000Z[i] *= 1E-4 * fgkmm; | |
2078 | if (i < 2) { | |
2079 | capZ[i] *= 1E-4 * fgkmm; | |
2080 | capY[i] *= 1E-4 * fgkmm; | |
2081 | resZ[i] *= 1E-4 * fgkmm; | |
2082 | resY[i] *= 1E-4 * fgkmm; | |
2083 | } // end if iM2 | |
2084 | } // end for i | |
2085 | ||
2086 | Double_t &fullLength = sizes[1]; | |
2087 | Double_t &fullWidth = sizes[2]; | |
2088 | Double_t &fullThickness = sizes[0]; | |
2089 | fullLength = busLength; | |
2090 | fullWidth = busWidth; | |
2091 | // add the thickness of the thickest component on bus (capacity) | |
2092 | fullThickness = busThickness + capThickness; | |
2093 | // ** VOLUMES ** | |
2094 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly("PixelBus"); | |
2095 | TGeoVolume *bus = mgr->MakeBox("Bus", medBus, 0.5*busThickness, | |
2096 | 0.5*busWidth, 0.5*busLength); | |
2097 | TGeoVolume *pt1000 = mgr->MakeBox("PT1000", medPt1000, | |
2098 | 0.5*pt1000Thickness, 0.5*pt1000Width, 0.5*pt1000Length); | |
2099 | TGeoVolume *res = mgr->MakeBox("Resistor", medRes, 0.5*resThickness, | |
2100 | 0.5*resWidth, 0.5*resLength); | |
2101 | TGeoVolume *cap = mgr->MakeBox("Capacitor", medCap, 0.5*capThickness, | |
2102 | 0.5*capWidth, 0.5*capLength); | |
2103 | bus->SetLineColor(kYellow + 2); | |
2104 | pt1000->SetLineColor(kGreen + 3); | |
2105 | res->SetLineColor(kRed + 1); | |
2106 | cap->SetLineColor(kBlue - 7); | |
2107 | // ** MOVEMENTS AND POSITIONEMENT ** | |
2108 | // bus | |
2109 | TGeoTranslation *trBus = new TGeoTranslation(0.5 * (busThickness - | |
2110 | fullThickness), 0.0, 0.0); | |
2111 | container->AddNode(bus, 0, trBus); | |
2112 | Double_t zRef, yRef, x, y, z; | |
2113 | if (isRight) { | |
2114 | zRef = -0.5*fullLength; | |
2115 | yRef = -0.5*fullWidth; | |
2116 | } else { | |
2117 | zRef = -0.5*fullLength; | |
2118 | yRef = -0.5*fullWidth; | |
2119 | } // end if isRight | |
2120 | // pt1000 | |
2121 | x = 0.5*(pt1000Thickness - fullThickness) + busThickness; | |
2122 | for (i = 0; i < 10; i++) { | |
2123 | y = yRef + pt1000Y; | |
2124 | z = zRef + pt1000Z[i]; | |
2125 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2126 | container->AddNode(pt1000, i, tr); | |
2127 | } // end for i | |
2128 | // capacitors | |
2129 | x = 0.5*(capThickness - fullThickness) + busThickness; | |
2130 | for (i = 0; i < 2; i++) { | |
2131 | y = yRef + capY[i]; | |
2132 | z = zRef + capZ[i]; | |
2133 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2134 | container->AddNode(cap, i, tr); | |
2135 | } // end for i | |
2136 | // resistors | |
2137 | x = 0.5*(resThickness - fullThickness) + busThickness; | |
2138 | for (i = 0; i < 2; i++) { | |
2139 | y = yRef + resY[i]; | |
2140 | z = zRef + resZ[i]; | |
2141 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2142 | container->AddNode(res, i, tr); | |
2143 | } // end for i | |
2144 | ||
2145 | sizes[3] = yRef + pt1000Y; | |
2146 | sizes[4] = zRef + pt1000Z[2]; | |
2147 | sizes[5] = zRef + pt1000Z[7]; | |
592651e2 | 2148 | |
2149 | return container; | |
2150 | } | |
bc3498f4 | 2151 | // |
2152 | //__________________________________________________________________________________________ | |
2153 | TGeoVolume* AliITSv11GeometrySPD::CreateExtender | |
2154 | (const Double_t *extenderParams, const TGeoMedium *extenderMedium, TArrayD& sizes) const | |
2155 | { | |
2156 | // ------------------ CREATE AN EXTENDER ------------------------ | |
2157 | // | |
2158 | // This function creates the following picture (in plane xOy) | |
2159 | // Should be useful for the definition of the pixel bus and MCM extenders | |
2160 | // The origin corresponds to point 0 on the picture, at half-width in Z direction | |
2161 | // | |
2162 | // Y 7 6 5 | |
2163 | // ^ +---+---------------------+ | |
2164 | // | / | | |
2165 | // | / | | |
2166 | // 0------> X / +---------------------+ | |
2167 | // / / 3 4 | |
2168 | // / / | |
2169 | // 9 8 / / | |
2170 | // +-----------+ / | |
2171 | // | / | |
2172 | // | / | |
2173 | // ---> +-----------+---+ | |
2174 | // | 0 1 2 | |
2175 | // | | |
2176 | // origin (0,0,0) | |
2177 | // | |
2178 | // | |
2179 | // Takes 6 parameters in the following order : | |
2180 | // |--> par 0 : inner length [0-1] / [9-8] | |
2181 | // |--> par 1 : thickness ( = [0-9] / [4-5]) | |
2182 | // |--> par 2 : angle of the slope | |
2183 | // |--> par 3 : total height in local Y direction | |
2184 | // |--> par 4 : outer length [3-4] / [6-5] | |
2185 | // |--> par 5 : width in local Z direction | |
2186 | // | |
592651e2 | 2187 | |
592651e2 | 2188 | |
bc3498f4 | 2189 | Double_t slopeDeltaX = (extenderParams[3] - extenderParams[1] * TMath::Cos(extenderParams[2])) / TMath::Tan(extenderParams[2]); |
592651e2 | 2190 | |
bc3498f4 | 2191 | Double_t extenderXtruX[10] = { |
2192 | 0 , | |
2193 | extenderParams[0] , | |
2194 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) , | |
2195 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX , | |
2196 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4], | |
2197 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4], | |
2198 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX , | |
2199 | extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX - extenderParams[1] * TMath::Sin(extenderParams[2]) , | |
2200 | extenderParams[0] , | |
2201 | 0 | |
2202 | } ; | |
592651e2 | 2203 | |
bc3498f4 | 2204 | Double_t extenderXtruY[10] = { |
2205 | 0 , | |
2206 | 0 , | |
2207 | extenderParams[1] * (1-TMath::Cos(extenderParams[2])) , | |
2208 | extenderParams[3] - extenderParams[1] , | |
2209 | extenderParams[3] - extenderParams[1] , | |
2210 | extenderParams[3] , | |
2211 | extenderParams[3] , | |
2212 | extenderParams[3] - extenderParams[1] * (1-TMath::Cos(extenderParams[2])) , | |
2213 | extenderParams[1] , | |
2214 | extenderParams[1] | |
2215 | } ; | |
592651e2 | 2216 | |
bc3498f4 | 2217 | if (sizes.GetSize() != 3) sizes.Set(3); |
2218 | Double_t &thickness = sizes[0] ; | |
2219 | Double_t &length = sizes[1] ; | |
2220 | Double_t &width = sizes[2] ; | |
592651e2 | 2221 | |
bc3498f4 | 2222 | thickness = extenderParams[3] ; |
2223 | width = extenderParams[5] ; | |
2224 | length = extenderParams[0] + extenderParams[1] * TMath::Sin(extenderParams[2]) + slopeDeltaX + extenderParams[4] ; | |
592651e2 | 2225 | |
bc3498f4 | 2226 | // creation of the volume |
2227 | TGeoXtru *extenderXtru = new TGeoXtru(2); | |
2228 | TGeoVolume *extenderXtruVol = new TGeoVolume("EXTENDER",extenderXtru,extenderMedium) ; | |
2229 | extenderXtru->DefinePolygon(10,extenderXtruX,extenderXtruY); | |
2230 | extenderXtru->DefineSection(0,-0.5*extenderParams[4]); | |
2231 | extenderXtru->DefineSection(1, 0.5*extenderParams[4]); | |
2232 | return extenderXtruVol ; | |
2233 | } | |
592651e2 | 2234 | |
bc3498f4 | 2235 | //______________________________________________________________________ |
2236 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBusAndExtensions | |
2237 | (Bool_t /*zpos*/, TGeoManager *mgr) const | |
2238 | { | |
2239 | // | |
2240 | // Creates an assembly which contains the pixel bus and its extension | |
2241 | // and the extension of the MCM. | |
2242 | // By: Renaud Vernet | |
2243 | // NOTE: to be defined its material and its extension in the outside direction | |
2244 | // | |
2245 | ||
2246 | // ==== constants ===== | |
592651e2 | 2247 | |
bc3498f4 | 2248 | //get the media |
2249 | //TGeoMedium *medPixelBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr) ; // ??? PIXEL BUS | |
2250 | TGeoMedium *medPBExtender = GetMedium("SDDKAPTON (POLYCH2)$",mgr) ; // ??? IXEL BUS EXTENDER | |
2251 | TGeoMedium *medMCMExtender = GetMedium("SDDKAPTON (POLYCH2)$",mgr) ; // ??? MCM EXTENDER | |
2252 | ||
2253 | // //geometrical constants | |
2254 | const Double_t kPbextenderThickness = 0.07 * fgkmm ; | |
2255 | const Double_t kPbExtenderSlopeAngle = 70.0 * TMath::Pi()/180. ; //design=?? 70 deg. seems OK | |
2256 | const Double_t kPbExtenderHeight = 1.92 * fgkmm ; // = 2.6 - (0.28+0.05+0.35) cf design | |
2257 | const Double_t kPbExtenderWidthY = 11.0 * fgkmm ; | |
2258 | const Double_t kMcmExtenderSlopeAngle = 70.0 * TMath::Pi()/180. ; //design=?? 70 deg. seems OK | |
2259 | const Double_t kMcmExtenderThickness = 0.10 * fgkmm ; | |
2260 | const Double_t kMcmExtenderHeight = 1.8 * fgkmm ; | |
2261 | const Double_t kMcmExtenderWidthY = kPbExtenderWidthY ; | |
2262 | // const Double_t groundingThickness = 0.07 * fgkmm ; | |
2263 | // const Double_t grounding2pixelBusDz = 0.625 * fgkmm ; | |
2264 | // const Double_t pixelBusThickness = 0.28 * fgkmm ; | |
2265 | // const Double_t groundingWidthX = 170.501 * fgkmm ; | |
2266 | // const Double_t pixelBusContactDx = 1.099 * fgkmm ; | |
2267 | // const Double_t pixelBusWidthY = 13.8 * fgkmm ; | |
2268 | // const Double_t pixelBusContactPhi = 20.0 * TMath::Pi()/180. ; //design=20 deg. | |
2269 | // const Double_t pbExtenderTopZ = 2.72 * fgkmm ; | |
2270 | // const Double_t mcmThickness = 0.35 * fgkmm ; | |
2271 | // const Double_t halfStaveTotalLength = 247.64 * fgkmm ; | |
2272 | // const Double_t deltaYOrigin = 15.95/2.* fgkmm ; | |
2273 | // const Double_t deltaXOrigin = 1.1 * fgkmm ; | |
2274 | // const Double_t deltaZOrigin = halfStaveTotalLength / 2. ; | |
2275 | // const Double_t grounding2pixelBusDz2 = grounding2pixelBusDz+groundingThickness/2. + pixelBusThickness/2. ; | |
2276 | // const Double_t pixelBusWidthX = groundingWidthX ; | |
2277 | // const Double_t pixelBusRaiseLength = (pixelBusContactDx-pixelBusThickness*TMath::Sin(pixelBusContactPhi))/TMath::Cos(pixelBusContactPhi) ; | |
592651e2 | 2278 | |
bc3498f4 | 2279 | // const Double_t pbExtenderBaseZ = grounding2pixelBusDz2 + pixelBusRaiseLength*TMath::Sin(pixelBusContactPhi) + 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)*TMath::Tan(pixelBusContactPhi) ; |
2280 | // const Double_t pbExtenderDeltaZ = pbExtenderTopZ-pbExtenderBaseZ ; | |
2281 | // const Double_t pbExtenderEndPointX = 2*deltaZOrigin - groundingWidthX - 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi) ; | |
2282 | // const Double_t pbExtenderXtru3L = 1.5 * fgkmm ; //arbitrary ? | |
2283 | // const Double_t pbExtenderXtru4L = (pbExtenderDeltaZ + pixelBusThickness*(TMath::Cos(extenderSlope)-2))/TMath::Sin(extenderSlope) ; | |
592651e2 | 2284 | |
bc3498f4 | 2285 | // const Double_t kMcmExtenderEndPointX = deltaZOrigin - 48.2 * fgkmm ; |
2286 | // const Double_t kMcmExtenderXtru3L = 1.5 * fgkmm ; | |
592651e2 | 2287 | |
bc3498f4 | 2288 | // //===== end constants ===== |
592651e2 | 2289 | |
592651e2 | 2290 | |
bc3498f4 | 2291 | const Double_t kPbExtenderInnerLength = 10. * fgkmm ; |
2292 | const Double_t kPbExtenderOuterLength = 15. * fgkmm ; | |
2293 | const Double_t kMcmExtenderInnerLength = 10. * fgkmm ; | |
2294 | const Double_t kMcmExtenderOuterLength = 15. * fgkmm ; | |
592651e2 | 2295 | |
bc3498f4 | 2296 | Double_t pbExtenderParams[6] = {kPbExtenderInnerLength, //0 |
2297 | kPbextenderThickness, //1 | |
2298 | kPbExtenderSlopeAngle, //2 | |
2299 | kPbExtenderHeight, //3 | |
2300 | kPbExtenderOuterLength, //4 | |
2301 | kPbExtenderWidthY}; //5 | |
2302 | ||
2303 | Double_t mcmExtenderParams[6] = {kMcmExtenderInnerLength, //0 | |
2304 | kMcmExtenderThickness, //1 | |
2305 | kMcmExtenderSlopeAngle, //2 | |
2306 | kMcmExtenderHeight, //3 | |
2307 | kMcmExtenderOuterLength, //4 | |
2308 | kMcmExtenderWidthY}; //5 | |
592651e2 | 2309 | |
bc3498f4 | 2310 | TArrayD sizes(3); |
2311 | TGeoVolume* pbExtender = CreateExtender(pbExtenderParams, medPBExtender, sizes) ; | |
2312 | printf("CREATED AN EXTENDER : THICKNESS = %5.5f cm\tLENGTH=%5.5f cm\tWIDTH=%5.5f cm\n",sizes[0],sizes[1],sizes[2]); | |
2313 | TGeoVolume* mcmExtender = CreateExtender(mcmExtenderParams, medMCMExtender, sizes) ; | |
2314 | printf("CREATED AN EXTENDER : THICKNESS = %5.5f cm\tLENGTH=%5.5f cm\tWIDTH=%5.5f cm\n",sizes[0],sizes[1],sizes[2]); | |
592651e2 | 2315 | |
2316 | ||
592651e2 | 2317 | |
bc3498f4 | 2318 | // Double_t pixelBusValues[5] = {pixelBusWidthX, //0 |
2319 | // pixelBusThickness, //1 | |
2320 | // pixelBusContactPhi, //2 | |
2321 | // pixelBusRaiseLength, //3 | |
2322 | // pixelBusWidthY} ; //4 | |
592651e2 | 2323 | |
bc3498f4 | 2324 | // Double_t pbExtenderValues[8] = {pixelBusRaiseLength, //0 |
2325 | // pixelBusContactPhi, //1 | |
2326 | // pbExtenderXtru3L, //2 | |
2327 | // pixelBusThickness, //3 | |
2328 | // extenderSlope, //4 | |
2329 | // pbExtenderXtru4L, //5 | |
2330 | // pbExtenderEndPointX, //6 | |
2331 | // kPbExtenderWidthY} ; //7 | |
592651e2 | 2332 | |
bc3498f4 | 2333 | // Double_t mcmExtenderValues[6] = {mcmExtenderXtru3L, //0 |
2334 | // mcmExtenderThickness, //1 | |
2335 | // extenderSlope, //2 | |
2336 | // deltaMcmMcmExtender, //3 | |
2337 | // mcmExtenderEndPointX, //4 | |
2338 | // mcmExtenderWidthY}; //5 | |
2339 | ||
2340 | // TGeoVolumeAssembly *pixelBus = new TGeoVolumeAssembly("PIXEL BUS"); | |
2341 | // CreatePixelBus(pixelBus,pixelBusValues,medPixelBus) ; | |
2342 | // TGeoVolumeAssembly *pbExtender = new TGeoVolumeAssembly("PIXEL BUS EXTENDER"); | |
2343 | // CreatePixelBusExtender(pbExtender,pbExtenderValues,medPBExtender) ; | |
2344 | // TGeoVolumeAssembly *mcmExtender = new TGeoVolumeAssembly("MCM EXTENDER"); | |
2345 | // CreateMCMExtender(mcmExtender,mcmExtenderValues,medMCMExtender) ; | |
2346 | ||
2347 | // //-------------- DEFINITION OF GEOMETRICAL TRANSFORMATIONS ------------------- | |
2348 | // TGeoRotation * commonRot = new TGeoRotation("commonRot",0,90,0); | |
2349 | // commonRot->MultiplyBy(new TGeoRotation("rot",-90,0,0)) ; | |
2350 | // TGeoTranslation * pixelBusTrans = new TGeoTranslation(pixelBusThickness/2. - deltaXOrigin + 0.52*fgkmm , | |
2351 | // -pixelBusWidthY/2. + deltaYOrigin , | |
2352 | // -groundingWidthX/2. + deltaZOrigin) ; | |
2353 | // TGeoRotation * pixelBusRot = new TGeoRotation(*commonRot); | |
2354 | // TGeoTranslation * pbExtenderTrans = new TGeoTranslation(*pixelBusTrans) ; | |
2355 | // TGeoRotation * pbExtenderRot = new TGeoRotation(*pixelBusRot) ; | |
2356 | // pbExtenderTrans->SetDz(*(pbExtenderTrans->GetTranslation()+2) - pixelBusWidthX/2. - 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)) ; | |
2357 | // if (!zpos) { | |
2358 | // pbExtenderTrans->SetDy(*(pbExtenderTrans->GetTranslation()+1) - (pixelBusWidthY - kPbExtenderWidthY)/2.); | |
2359 | // } | |
2360 | // else { | |
2361 | // pbExtenderTrans->SetDy(*(pbExtenderTrans->GetTranslation()+1) + (pixelBusWidthY - kPbExtenderWidthY)/2.); | |
2362 | // } | |
2363 | // pbExtenderTrans->SetDx(*(pbExtenderTrans->GetTranslation()) + pixelBusThickness/2 + 2*pixelBusThickness*TMath::Sin(pixelBusContactPhi)*TMath::Tan(pixelBusContactPhi)) ; | |
2364 | // TGeoTranslation * mcmExtenderTrans = new TGeoTranslation(0.12*fgkmm + mcmThickness - deltaXOrigin, | |
2365 | // pbExtenderTrans->GetTranslation()[1], | |
2366 | // -4.82); | |
2367 | // TGeoRotation * mcmExtenderRot = new TGeoRotation(*pbExtenderRot); | |
2368 | ||
2369 | // // add pt1000 components | |
2370 | // Double_t pt1000Z = fgkmm * 64400. * 1E-4; | |
2371 | // //Double_t pt1000X[10] = {319700., 459700., 599700., 739700., 879700., 1029700., 1169700., 1309700., 1449700., 1589700.}; | |
2372 | // Double_t pt1000X[10] = {66160., 206200., 346200., 486200., 626200., 776200., 916200., 1056200., 1196200., 1336200.}; | |
2373 | // Double_t pt1000size[3] = {fgkmm*1.5, fgkmm*0.6, fgkmm*3.1}; | |
2374 | // Int_t i; | |
2375 | // for (i = 0; i < 10; i++) { | |
2376 | // pt1000X[i] *= fgkmm * 1E-4; | |
2377 | // } | |
2378 | // TGeoVolume *pt1000 = mgr->MakeBox("PT1000", 0, 0.5*pt1000size[0], 0.5*pt1000size[1], 0.5*pt1000size[2]); | |
2379 | // pt1000->SetLineColor(kGray); | |
2380 | // Double_t refThickness = - pixelBusThickness ; | |
2381 | // for (i = 0; i < 10; i++) { | |
2382 | // TGeoTranslation *tr = new TGeoTranslation(pt1000X[i]-0.5*pixelBusWidthX, 0.002+0.5*(-3.*refThickness+pt1000size[3]), pt1000Z -0.5*pixelBusWidthY); | |
2383 | // pixelBus->AddNode(pt1000, i, tr); | |
2384 | // } | |
2385 | ||
2386 | //CREATE FINAL VOLUME ASSEMBLY AND ROTATE IT | |
2387 | TGeoVolumeAssembly *assembly = new TGeoVolumeAssembly("EXTENDERS"); | |
2388 | // assembly->AddNode((TGeoVolume*)pixelBus ,0, new TGeoCombiTrans(*pixelBusTrans,*pixelBusRot)); | |
2389 | // assembly->AddNode((TGeoVolume*)pbExtender ,0, new TGeoCombiTrans(*pbExtenderTrans,*pbExtenderRot)); | |
2390 | // assembly->AddNode((TGeoVolume*)mcmExtender ,0, new TGeoCombiTrans(*mcmExtenderTrans,*mcmExtenderRot)); | |
2391 | // assembly->AddNode(mcmExtender,0,new TGeoIdentity()); | |
2392 | assembly->AddNode(pbExtender,0); | |
2393 | assembly->AddNode(mcmExtender,0); | |
2394 | // assembly->SetTransparency(50); | |
2395 | ||
2396 | return assembly ; | |
592651e2 | 2397 | } |
bc3498f4 | 2398 | // |
2399 | //__________________________________________________________________________________________ | |
2400 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateHalfStave | |
7855ea93 | 2401 | (Bool_t isRight, Int_t layer, Int_t idxCentral, Int_t idxSide, TArrayD &sizes, TGeoManager *mgr) |
bc3498f4 | 2402 | { |
2403 | // | |
2404 | // Implementation of an half-stave, which depends on the side where we are on the stave. | |
2405 | // The convention for "left" and "right" is the same as for the MCM. | |
2406 | // The return value is a TGeoAssembly which is structured in such a way that the origin | |
2407 | // of its local reference frame coincides with the origin of the whole stave. | |
7855ea93 | 2408 | // The TArrayD passed by reference will contain details of the shape: |
2409 | // - sizes[0] = thickness | |
2410 | // - sizes[1] = length | |
2411 | // - sizes[2] = width | |
2412 | // - sizes[3] = common 'x' position for eventual clips | |
2413 | // - sizes[4] = common 'y' position for eventual clips | |
2414 | // - sizes[5] = 'z' position of first clip | |
2415 | // - sizes[6] = 'z' position of second clip | |
592651e2 | 2416 | // |
592651e2 | 2417 | |
bc3498f4 | 2418 | // ** CHECK ** |
592651e2 | 2419 | |
bc3498f4 | 2420 | // idxCentral and idxSide must be different |
2421 | if (idxCentral == idxSide) { | |
2422 | AliInfo("Ladders must be inserted in half-stave with different indexes."); | |
2423 | idxSide = idxCentral + 1; | |
2424 | AliInfo(Form("Central ladder will be inserted with index %d", idxCentral)); | |
2425 | AliInfo(Form("Side ladder will be inserted with index %d", idxSide)); | |
2426 | } | |
592651e2 | 2427 | |
bc3498f4 | 2428 | // define the separations along Z direction between the objects |
2429 | Double_t sepLadderLadder = fgkmm * 0.2; // sep. btw the 2 ladders | |
2430 | Double_t sepLadderCenter = fgkmm * 0.4; // sep. btw the "central" ladder and the Z=0 plane in stave ref. | |
2431 | Double_t sepLadderMCM = fgkmm * 0.3; // sep. btw the "external" ladder and MCM | |
2432 | Double_t sepBusCenter = fgkmm * 0.3; // sep. btw the bus central edge and the Z=0 plane in stave ref. | |
2433 | ||
2434 | // ** VOLUMES ** | |
2435 | ||
2436 | // grounding foil | |
2437 | TArrayD grndSize(3); | |
2438 | // This one line repalces the 3 bellow, BNS. | |
7855ea93 | 2439 | TGeoVolume *grndVol = CreateGroundingFoil(isRight, grndSize, mgr); |
bc3498f4 | 2440 | Double_t &grndThickness = grndSize[0]; |
2441 | Double_t &grndLength = grndSize[1]; | |
2442 | ||
2443 | // ladder | |
2444 | TArrayD ladderSize(3); | |
2445 | TGeoVolume *ladder = CreateLadder(layer, ladderSize, mgr); | |
2446 | Double_t ladderThickness = ladderSize[0]; | |
2447 | Double_t ladderLength = ladderSize[1]; | |
2448 | Double_t ladderWidth = ladderSize[2]; | |
2449 | ||
bc3498f4 | 2450 | // MCM |
2451 | TArrayD mcmSize(3); | |
2452 | TGeoVolumeAssembly *mcm = CreateMCM(!isRight,mcmSize,mgr); | |
bc3498f4 | 2453 | Double_t mcmThickness = mcmSize[0]; |
2454 | Double_t mcmLength = mcmSize[1]; | |
2455 | Double_t mcmWidth = mcmSize[2]; | |
2456 | ||
2457 | // bus | |
2458 | TArrayD busSize(6); | |
2459 | TGeoVolumeAssembly *bus = CreatePixelBus(isRight, busSize, mgr); | |
bc3498f4 | 2460 | Double_t busThickness = busSize[0]; |
2461 | Double_t busLength = busSize[1]; | |
2462 | Double_t busWidth = busSize[2]; | |
2463 | ||
7855ea93 | 2464 | // glue between ladders and pixel bus |
2465 | TGeoMedium *medLadGlue = GetMedium("EPOXY$", mgr); | |
2466 | Double_t ladGlueThickness = fgkmm * 0.1175 - fgkGapLadder; | |
2467 | TGeoVolume *ladderGlue = mgr->MakeBox("LADDER_GLUE", medLadGlue, 0.5*ladGlueThickness, 0.5*busWidth, 0.5*busLength); | |
2468 | ladderGlue->SetLineColor(kYellow + 5); | |
2469 | ||
bc3498f4 | 2470 | // create references for the whole object, as usual |
7855ea93 | 2471 | sizes.Set(7); |
bc3498f4 | 2472 | Double_t &fullThickness = sizes[0]; |
2473 | Double_t &fullLength = sizes[1]; | |
2474 | Double_t &fullWidth = sizes[2]; | |
2475 | ||
2476 | // compute the full size of the container | |
2477 | fullLength = sepLadderCenter + 2.0*ladderLength + sepLadderMCM + sepLadderLadder + mcmLength; | |
2478 | fullWidth = ladderWidth; | |
7855ea93 | 2479 | fullThickness = grndThickness + fgkGapLadder + mcmThickness + busThickness; |
592651e2 | 2480 | |
bc3498f4 | 2481 | // ** MOVEMENTS ** |
2482 | ||
2483 | // grounding foil (shifted only along thickness) | |
592651e2 | 2484 | Double_t xGrnd = -0.5*fullThickness + 0.5*grndThickness; |
bc3498f4 | 2485 | Double_t zGrnd = -0.5*grndLength; |
2486 | if (!isRight) zGrnd = -zGrnd; | |
2487 | TGeoTranslation *grndTrans = new TGeoTranslation(xGrnd, 0.0, zGrnd); | |
592651e2 | 2488 | |
bc3498f4 | 2489 | // ladders (translations along thickness and length) |
2490 | // layers must be sorted going from the one at largest Z to the one at smallest Z: | |
592651e2 | 2491 | // -|Zmax| ------> |Zmax| |
bc3498f4 | 2492 | // 3 2 1 0 |
2493 | // then, for layer 1 ladders they must be placed exactly this way, and in layer 2 at the opposite. | |
2494 | // In order to remember the placements, we define as "inner" and "outer" ladder respectively | |
2495 | // the one close to barrel center, and the one closer to MCM, respectively. | |
2496 | Double_t xLad, zLadIn, zLadOut; | |
7855ea93 | 2497 | xLad = xGrnd + 0.5*(grndThickness + ladderThickness) + 0.01175 - fgkGapLadder; |
bc3498f4 | 2498 | zLadIn = -sepLadderCenter - 0.5*ladderLength; |
2499 | zLadOut = zLadIn - sepLadderLadder - ladderLength; | |
2500 | if (!isRight) { | |
2501 | zLadIn = -zLadIn; | |
2502 | zLadOut = -zLadOut; | |
2503 | } | |
2504 | TGeoRotation *rotLad = new TGeoRotation(*gGeoIdentity); | |
2505 | rotLad->RotateZ(90.0); | |
2506 | rotLad->RotateY(180.0); | |
2507 | Double_t sensWidth = fgkmm * 12.800; | |
2508 | Double_t chipWidth = fgkmm * 15.950; | |
2509 | Double_t guardRingWidth = fgkmm * 0.560; | |
2510 | Double_t ladderShift = 0.5 * (chipWidth - sensWidth - 2.0*guardRingWidth); | |
2511 | TGeoCombiTrans *trLadIn = new TGeoCombiTrans(xLad, ladderShift, zLadIn, rotLad); | |
2512 | TGeoCombiTrans *trLadOut = new TGeoCombiTrans(xLad, ladderShift, zLadOut, rotLad); | |
2513 | ||
bc3498f4 | 2514 | // MCM (length and thickness direction, placing at same level as the ladder, which implies to |
2515 | // recompute the position of center, because ladder and MCM have NOT the same thickness) | |
2516 | // the two copies of the MCM are placed at the same distance from the center, on both sides | |
7855ea93 | 2517 | Double_t xMCM = xGrnd + 0.5*grndThickness + 0.5*mcmThickness + 0.01175 - fgkGapLadder; |
bc3498f4 | 2518 | Double_t yMCM = 0.5*(fullWidth - mcmWidth); |
2519 | Double_t zMCM = zLadOut - 0.5*ladderLength - 0.5*mcmLength - sepLadderMCM; | |
2520 | if (!isRight) zMCM = zLadOut + 0.5*ladderLength + 0.5*mcmLength + sepLadderMCM; | |
2521 | ||
2522 | // create the correction rotations | |
2523 | TGeoRotation *rotMCM = new TGeoRotation(*gGeoIdentity); | |
2524 | rotMCM->RotateY(90.0); | |
2525 | TGeoCombiTrans *trMCM = new TGeoCombiTrans(xMCM, yMCM, zMCM, rotMCM); | |
2526 | ||
7855ea93 | 2527 | // glue between ladders and pixel bus |
2528 | Double_t xLadGlue = xLad + 0.5*ladderThickness + 0.01175 - fgkGapLadder + 0.5*ladGlueThickness; | |
2529 | ||
bc3498f4 | 2530 | // bus (length and thickness direction) |
7855ea93 | 2531 | Double_t xBus = xLadGlue + 0.5*ladGlueThickness + 0.5*busThickness; |
bc3498f4 | 2532 | Double_t yBus = 0.5*(fullWidth - busWidth); |
2533 | Double_t zBus = -0.5*busLength - sepBusCenter; | |
2534 | if (!isRight) zBus = -zBus; | |
2535 | TGeoTranslation *trBus = new TGeoTranslation(xBus, yBus, zBus); | |
2536 | ||
7855ea93 | 2537 | TGeoTranslation *trLadGlue = new TGeoTranslation(xLadGlue, 0.0, zBus); |
2538 | ||
bc3498f4 | 2539 | // create the container |
2540 | TGeoVolumeAssembly *container = 0; | |
2541 | if (idxCentral+idxSide==5) { | |
2542 | container = new TGeoVolumeAssembly("HALF-STAVE1"); | |
2543 | } else { | |
2544 | container = new TGeoVolumeAssembly("HALF-STAVE0"); | |
2545 | } | |
2546 | ||
2547 | // add to container all objects | |
2548 | container->AddNode(grndVol, 1, grndTrans); | |
2549 | // ladders are inserted in different order to respect numbering scheme | |
2550 | // which is inverted when going from outer to inner layer | |
2551 | container->AddNode(ladder, idxCentral, trLadIn); | |
2552 | container->AddNode(ladder, idxSide, trLadOut); | |
7855ea93 | 2553 | container->AddNode(ladderGlue, 0, trLadGlue); |
bc3498f4 | 2554 | container->AddNode(mcm, 0, trMCM); |
2555 | container->AddNode(bus, 0, trBus); | |
2556 | ||
7855ea93 | 2557 | // since the clips are placed in correspondence of two pt1000s, |
2558 | // their position is computed here, but they are not added by default | |
2559 | // it will be the StavesInSector method which will decide to add them | |
2560 | // anyway, to recovery some size informations on the clip, it must be created | |
2561 | TArrayD clipSize; | |
2562 | // TGeoVolume *clipDummy = CreateClip(clipSize, kTRUE, mgr); | |
2563 | CreateClip(clipSize, kTRUE, mgr); | |
bc3498f4 | 2564 | // define clip movements (width direction) |
7855ea93 | 2565 | sizes[3] = xBus + 0.5*busThickness; |
2566 | sizes[4] = 0.5 * (fullWidth - busWidth) - clipSize[6] - fgkmm*0.48; | |
2567 | sizes[5] = zBus + busSize[4]; | |
2568 | sizes[6] = zBus + busSize[5]; | |
2569 | ||
592651e2 | 2570 | return container; |
2571 | } | |
bc3498f4 | 2572 | // |
2573 | //__________________________________________________________________________________________ | |
2574 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateStave | |
7855ea93 | 2575 | (Int_t layer, TArrayD &sizes, TGeoManager *mgr) |
2576 | { | |
2577 | // | |
bc3498f4 | 2578 | // This method uses all other ones which create pieces of the stave |
2579 | // and assemblies everything together, in order to return the whole | |
2580 | // stave implementation, which is returned as a TGeoVolumeAssembly, | |
2581 | // due to the presence of some parts which could generate fake overlaps | |
2582 | // when put on the sector. | |
2583 | // This assembly contains, going from bottom to top in the thickness direction: | |
2584 | // - the complete grounding foil, defined by the "CreateGroundingFoil" method which | |
2585 | // already joins some glue and real groudning foil layers for the whole stave (left + right); | |
2586 | // - 4 ladders, which are sorted according to the ALICE numbering scheme, which depends | |
2587 | // on the layer we are building this stave for; | |
2588 | // - 2 MCMs (a left and a right one); | |
2589 | // - 2 pixel buses (a left and a right one); | |
2590 | // --- | |
2591 | // Arguments: | |
2592 | // - the layer number, which determines the displacement and naming of sensitive volumes | |
7855ea93 | 2593 | // - a TArrayD passed by reference which will contain the size of virtual box containing the stave: |
2594 | // - sizes[0] = thickness; | |
2595 | // - sizes[1] = length; | |
2596 | // - sizes[2] = width; | |
2597 | // - sizes[3] = common X position of clips | |
2598 | // - sizes[4] = common Y position of clips | |
2599 | // - sizes[5] = Z position of first clip | |
2600 | // - sizes[6] = Z position of second clip | |
2601 | // - sizes[7] = Z position of third clip | |
2602 | // - sizes[8] = Z position of fourth clip | |
bc3498f4 | 2603 | // - the TGeoManager |
2604 | // | |
2605 | ||
2606 | // create the container | |
2607 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form("LAY%d_STAVE", layer)); | |
2608 | ||
2609 | // define the indexes of the ladders in order to have the correct order | |
2610 | // keeping in mind that the staves will be inserted as they are on layer 2, while | |
2611 | // they are rotated around their local Y axis when inserted on layer 1, so in this case | |
2612 | // they must be put in the "wrong" order to turn out to be right at the end | |
2613 | // The convention is: | |
2614 | // -|Zmax| ------> |Zmax| | |
2615 | // 3 2 1 0 | |
2616 | // with respect to the "native" stave reference frame, "left" is in the positive Z | |
2617 | // this leads the definition of these indexes: | |
2618 | ||
2619 | Int_t idxCentralL, idxSideL, idxCentralR, idxSideR; | |
2620 | if (layer == 1) { | |
2621 | idxSideL = 3; | |
2622 | idxCentralL = 2; | |
2623 | idxCentralR = 1; | |
2624 | idxSideR = 0; | |
2625 | } | |
2626 | else { | |
2627 | idxSideL = 0; | |
2628 | idxCentralL = 1; | |
2629 | idxCentralR = 2; | |
2630 | idxSideR = 3; | |
2631 | } | |
2632 | ||
2633 | // create the two half-staves | |
7855ea93 | 2634 | TArrayD sizeL, sizeR; |
2635 | TGeoVolumeAssembly *hstaveL = CreateHalfStave(kFALSE, layer, idxCentralL, idxSideL, sizeL, mgr); | |
2636 | TGeoVolumeAssembly *hstaveR = CreateHalfStave(kTRUE, layer, idxCentralR, idxSideR, sizeR, mgr); | |
bc3498f4 | 2637 | |
2638 | // copy the size to the stave's one | |
7855ea93 | 2639 | sizes.Set(9); |
bc3498f4 | 2640 | sizes[0] = sizeL[0]; |
2641 | sizes[1] = sizeR[1] + sizeL[1]; | |
2642 | sizes[2] = sizeL[2]; | |
7855ea93 | 2643 | sizes[3] = sizeL[3]; |
2644 | sizes[4] = sizeL[4]; | |
2645 | sizes[5] = sizeL[5]; | |
2646 | sizes[6] = sizeL[6]; | |
2647 | sizes[7] = sizeR[5]; | |
2648 | sizes[8] = sizeR[6]; | |
bc3498f4 | 2649 | |
2650 | // add to container all objects | |
2651 | container->AddNode(hstaveL, 1); | |
2652 | container->AddNode(hstaveR, 1); | |
2653 | ||
2654 | return container; | |
2655 | } | |
2656 | // | |
2657 | //__________________________________________________________________________________________ | |
2658 | void AliITSv11GeometrySPD::SetAddStave(Bool_t *mask) | |
2659 | { | |
2660 | // | |
2661 | // Define a mask which states qhich staves must be placed. | |
2662 | // It is a string which must contain '0' or '1' depending if | |
2663 | // a stave must be placed or not. | |
2664 | // Each place is referred to one of the staves, so the first | |
2665 | // six characters of the string will be checked. | |
2666 | // | |
2667 | ||
2668 | Int_t i; | |
2669 | for (i = 0; i < 6; i++) fAddStave[i] = mask[i]; | |
2670 | } | |
2671 | // | |
2672 | //__________________________________________________________________________________________ | |
2673 | void AliITSv11GeometrySPD::StavesInSector(TGeoVolume *moth, TGeoManager *mgr) { | |
2674 | // | |
592651e2 | 2675 | // Unification of essentially two methods: |
2676 | // - the one which creates the sector structure | |
2677 | // - the one which returns the complete stave | |
2678 | // --- | |
2679 | // For compatibility, this method requires the same arguments | |
2680 | // asked by "CarbonFiberSector" method, which is recalled here. | |
2681 | // Like this cited method, this one does not return any value, | |
2682 | // but it inserts in the mother volume (argument 'moth') all the stuff | |
2683 | // which composes the complete SPD sector. | |
2684 | // --- | |
bc3498f4 | 2685 | // In the following, the stave numbering order used for arrays is the same as |
2686 | // defined in the GetSectorMountingPoints(): | |
2687 | // /5 | |
2688 | // /\/4 | |
2689 | // 1\ \/3 | |
2690 | // 0|___\/2 | |
2691 | // --- | |
592651e2 | 2692 | // Arguments: see description of "CarbonFiberSector" method. |
2693 | // | |
2694 | ||
bc3498f4 | 2695 | Double_t shift[6]; // shift from the innermost position in the sector placement plane |
2696 | // (where the stave edge is in the point where the rounded corner begins) | |
2697 | ||
2698 | shift[0] = fgkmm * -0.691; | |
7855ea93 | 2699 | shift[1] = fgkmm * 5.041; |
bc3498f4 | 2700 | shift[2] = fgkmm * 1.816; |
2701 | shift[3] = fgkmm * -0.610; | |
2702 | shift[4] = fgkmm * -0.610; | |
2703 | shift[5] = fgkmm * -0.610; | |
2704 | ||
2705 | // create stave volumes (different for layer 1 and 2) | |
7855ea93 | 2706 | TArrayD staveSizes1(9), staveSizes2(9), clipSize(5); |
bc3498f4 | 2707 | Double_t &staveHeight = staveSizes1[2], &staveThickness = staveSizes1[0]; |
7855ea93 | 2708 | TGeoVolume *stave1 = CreateStave(1, staveSizes1, mgr); |
2709 | TGeoVolume *stave2 = CreateStave(2, staveSizes2, mgr); | |
2710 | TGeoVolume *clip = CreateClip(clipSize, kFALSE, mgr); | |
2711 | ||
bc3498f4 | 2712 | Double_t xL, yL; // leftmost edge of mounting point (XY projection) |
2713 | Double_t xR, yR; // rightmost edge of mounting point (XY projection) | |
2714 | Double_t xM, yM; // middle point of the segment L-R | |
2715 | Double_t dx, dy; // (xL - xR) and (yL - yR) | |
2716 | Double_t widthLR; // width of the segment L-R | |
2717 | Double_t angle; // stave rotation angle in degrees | |
2718 | Double_t diffWidth; // difference between mounting plane width and stave width (smaller) | |
2719 | Double_t xPos, yPos; // final translation of the stave | |
2720 | Double_t parMovement; // translation in the LR plane direction | |
2721 | ||
7855ea93 | 2722 | staveThickness += fgkGapHalfStave; |
2723 | ||
bc3498f4 | 2724 | // loop on staves |
7855ea93 | 2725 | Int_t i, iclip = 0; |
2726 | for (i = 0; i < 6; i++) { | |
bc3498f4 | 2727 | // in debug mode, if this stave is not required, it is skipped |
2728 | if (!fAddStave[i]) continue; | |
2729 | // retrieve reference points | |
2730 | GetSectorMountingPoints(i, xL, yL, xR, yR); | |
2731 | xM = 0.5 * (xL + xR); | |
2732 | yM = 0.5 * (yL + yR); | |
2733 | dx = xL - xR; | |
2734 | dy = yL - yR; | |
2735 | angle = TMath::ATan2(dy, dx); | |
2736 | widthLR = TMath::Sqrt(dx*dx + dy*dy); | |
2737 | diffWidth = 0.5*(widthLR - staveHeight); | |
2738 | // first, a movement along this plane must be done | |
2739 | // by an amount equal to the width difference | |
2740 | // and then the fixed shift must also be added | |
2741 | parMovement = diffWidth + shift[i]; | |
2742 | // due to stave thickness, another movement must be done | |
2743 | // in the direction normal to the mounting plane | |
2744 | // which is computed using an internal method, in a reference frame where the LR segment | |
2745 | // has its middle point in the origin and axes parallel to the master reference frame | |
2746 | if (i == 0) { | |
2747 | ParallelPosition(-0.5*staveThickness, -parMovement, angle, xPos, yPos); | |
2748 | } | |
2749 | if (i == 1) { | |
2750 | ParallelPosition( 0.5*staveThickness, -parMovement, angle, xPos, yPos); | |
2751 | } | |
2752 | else { | |
2753 | ParallelPosition( 0.5*staveThickness, parMovement, angle, xPos, yPos); | |
592651e2 | 2754 | } |
2755 | // then we go into the true reference frame | |
bc3498f4 | 2756 | xPos += xM; |
2757 | yPos += yM; | |
592651e2 | 2758 | // using the parameters found here, compute the |
2759 | // translation and rotation of this stave: | |
2760 | TGeoRotation *rot = new TGeoRotation(*gGeoIdentity); | |
bc3498f4 | 2761 | if (i == 0 || i == 1) rot->RotateX(180.0); |
2762 | rot->RotateZ(90.0 + angle * TMath::RadToDeg()); | |
2763 | TGeoCombiTrans *trans = new TGeoCombiTrans(xPos, yPos, 0.0, rot); | |
2764 | if (i == 0 || i == 1) { | |
2765 | moth->AddNode(stave1, i, trans); | |
2766 | } | |
2767 | else { | |
7855ea93 | 2768 | moth->AddNode(stave2, i - 2, trans); |
2769 | if (i != 2) { | |
2770 | // except in the case of stave #2, | |
2771 | // clips must be added, and this is done directly on the sector | |
2772 | Int_t j; | |
2773 | TArrayD clipSize; | |
2774 | TGeoRotation *rotClip = new TGeoRotation(*gGeoIdentity); | |
2775 | rotClip->RotateZ(-90.0); | |
2776 | rotClip->RotateX(180.0); | |
2777 | Double_t x = staveSizes2[3] + fgkGapHalfStave; | |
2778 | Double_t y = staveSizes2[4]; | |
2779 | Double_t z[4] = { staveSizes2[5], staveSizes2[6], staveSizes2[7], staveSizes2[8] }; | |
2780 | for (j = 0; j < 4; j++) { | |
2781 | TGeoCombiTrans *trClip = new TGeoCombiTrans(x, y, z[j], rotClip); | |
2782 | *trClip = *trans * *trClip; | |
2783 | moth->AddNode(clip, iclip++, trClip); | |
2784 | } | |
bc3498f4 | 2785 | } |
2786 | } | |
2787 | } | |
592651e2 | 2788 | } |
bc3498f4 | 2789 | // |
2790 | //__________________________________________________________________________________________ | |
2791 | void AliITSv11GeometrySPD::ParallelPosition(Double_t dist1, Double_t dist2, | |
2792 | Double_t phi, Double_t &x, Double_t &y) const { | |
592651e2 | 2793 | // Performs the following steps: |
bc3498f4 | 2794 | // 1 - finds a straight line parallel to the one passing through the origin and with angle 'phi' with X axis |
2795 | // (phi in RADIANS); | |
2796 | // 2 - finds another line parallel to the previous one, with a distance 'dist1' from it | |
2797 | // 3 - takes a reference point in the second line in the intersection between the normal to both lines | |
2798 | // passing through the origin | |
2799 | // 4 - finds a point whith has distance 'dist2' from this reference, in the second line (point 2) | |
592651e2 | 2800 | // ---- |
bc3498f4 | 2801 | // According to the signs given to dist1 and dist2, the point is found in different position w.r. to the origin |
2802 | // | |
2803 | ||
592651e2 | 2804 | // compute the point |
2805 | Double_t cs = TMath::Cos(phi); | |
2806 | Double_t sn = TMath::Sin(phi); | |
2807 | ||
2808 | x = dist2*cs - dist1*sn; | |
2809 | y = dist1*cs + dist2*sn; | |
2810 | } | |
bc3498f4 | 2811 | // |
2812 | //__________________________________________________________________________________________ | |
2813 | void AliITSv11GeometrySPD::CreateFigure0(const Char_t *filepath, | |
2814 | const Char_t *type, | |
2815 | TGeoManager *mgr) const { | |
2816 | // Creates Figure 0 for the documentation of this class. In this | |
2817 | // specific case, it creates the X,Y cross section of the SPD suport | |
2818 | // section, center and ends. The output is written to a standard | |
2819 | // file name to the path specificed. | |
2820 | // Inputs: | |
2821 | // const Char_t *filepath Path where the figure is to be drawn | |
2822 | // const Char_t *type The type of file, default is gif. | |
2823 | // TGeoManager *mgr The TGeoManager default gGeoManager | |
2824 | // Output: | |
2825 | // none. | |
2826 | // Return: | |
2827 | // none. | |
2828 | TGeoXtru *sA0,*sA1,*sB0,*sB1; | |
2829 | //TPolyMarker *pmA,*pmB; | |
2830 | TPolyLine plA0,plA1,plB0,plB1; | |
2831 | TCanvas *canvas; | |
2832 | TLatex txt; | |
2833 | Double_t x=0.0,y=0.0; | |
2834 | Int_t i,kNRadii=6; | |
2835 | ||
2836 | if(strcmp(filepath,"")){ | |
2837 | Error("CreateFigure0","filepath=%s type=%s",filepath,type); | |
2838 | } // end if | |
2839 | // | |
2840 | sA0 = (TGeoXtru*) mgr->GetVolume( | |
2841 | "ITSSPDCarbonFiberSupportSectorA0_1")->GetShape(); | |
2842 | sA1 = (TGeoXtru*) mgr->GetVolume( | |
2843 | "ITSSPDCarbonFiberSupportSectorAirA1_1")->GetShape(); | |
2844 | sB0 = (TGeoXtru*) mgr->GetVolume( | |
2845 | "ITSSPDCarbonFiberSupportSectorEndB0_1")->GetShape(); | |
2846 | sB1 = (TGeoXtru*) mgr->GetVolume( | |
2847 | "ITSSPDCarbonFiberSupportSectorEndAirB1_1")->GetShape(); | |
2848 | //pmA = new TPolyMarker(); | |
2849 | //pmA.SetMarkerStyle(2); // + | |
2850 | //pmA.SetMarkerColor(7); // light blue | |
2851 | //pmB = new TPolyMarker(); | |
2852 | //pmB.SetMarkerStyle(5); // X | |
2853 | //pmB.SetMarkerColor(6); // purple | |
2854 | plA0.SetPolyLine(sA0->GetNvert()); | |
2855 | plA0.SetLineColor(1); // black | |
2856 | plA0.SetLineStyle(1); | |
2857 | plA1.SetPolyLine(sA1->GetNvert()); | |
2858 | plA1.SetLineColor(2); // red | |
2859 | plA1.SetLineStyle(1); | |
2860 | plB0.SetPolyLine(sB0->GetNvert()); | |
2861 | plB0.SetLineColor(3); // Green | |
2862 | plB0.SetLineStyle(2); | |
2863 | plB1.SetPolyLine(sB1->GetNvert()); | |
2864 | plB1.SetLineColor(4); // Blue | |
2865 | plB1.SetLineStyle(2); | |
2866 | //for(i=0;i<kNRadii;i++) pmA.SetPoint(i,xyB1p[i][0],xyB1p[i][1]); | |
2867 | //for(i=0;i<kNRadii;i++) pmB.SetPoint(i,xyB1p[i][0],xyB1p[i][1]); | |
2868 | for(i=0;i<sA0->GetNvert();i++) plA0.SetPoint(i,sA0->GetX(i),sA0->GetY(i)); | |
2869 | for(i=0;i<sA1->GetNvert();i++) plA1.SetPoint(i,sA1->GetX(i),sA1->GetY(i)); | |
2870 | for(i=0;i<sB0->GetNvert();i++) plB0.SetPoint(i,sB0->GetX(i),sB0->GetY(i)); | |
2871 | for(i=0;i<sB1->GetNvert();i++) plB1.SetPoint(i,sB1->GetX(i),sB1->GetY(i)); | |
2872 | canvas = new TCanvas("AliITSv11GeometrySPDFig0","",1000,1000); | |
2873 | canvas->Range(-3.,-3.,3.,3.); | |
2874 | txt.SetTextSize(0.05); | |
2875 | txt.SetTextAlign(33); | |
2876 | txt.SetTextColor(1); | |
2877 | txt.DrawLatex(2.9,2.9,"Section A-A outer Carbon Fiber surface"); | |
2878 | txt.SetTextColor(2); | |
2879 | txt.DrawLatex(2.9,2.5,"Section A-A Inner Carbon Fiber surface"); | |
2880 | txt.SetTextColor(3); | |
2881 | txt.DrawLatex(2.9,2.1,"Section E-E outer Carbon Fiber surface"); | |
2882 | txt.SetTextColor(4); | |
2883 | txt.DrawLatex(2.9,1.7,"Section E-E Inner Carbon Fiber surface"); | |
2884 | plA0.Draw(); | |
2885 | plA1.Draw(); | |
2886 | plB0.Draw(); | |
2887 | plB1.Draw(); | |
2888 | //pmA.Draw(); | |
2889 | //pmB.Draw(); | |
2890 | // | |
2891 | x = 1.0; | |
2892 | y = -2.5; | |
2893 | Char_t chr[3]; | |
2894 | for(i=0;i<kNRadii;i++){ | |
2895 | sprintf(chr,"%2d",i);txt.DrawLatex(x-0.1,y,chr); | |
2896 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x,y,chr); | |
2897 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+0.5,y,chr); | |
2898 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+1.0,y,chr); | |
2899 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+1.5,y,chr); | |
2900 | sprintf(chr,"%8.4f",5.000);txt.DrawLatex(x+2.0,y,chr); | |
2901 | if(kTRUE) txt.DrawLatex(x+2.5,y,"A-A/E-E"); | |
2902 | else txt.DrawLatex(x+2.5,y,"E-E"); | |
2903 | } // end for i | |
2904 | txt.DrawLatex(x,y,"x_{c} mm"); | |
2905 | txt.DrawLatex(x+0.5,y,"y_{c} mm"); | |
2906 | txt.DrawLatex(x+1.0,y,"R mm"); | |
2907 | txt.DrawLatex(x+1.5,y,"#theta_{start}^{#circle}"); | |
2908 | txt.DrawLatex(x+2.0,y,"#theta_{end}^{#circle}"); | |
2909 | txt.DrawLatex(x+2.5,y,"Section"); | |
2910 | // | |
2911 | } | |
2912 | // | |
2913 | //__________________________________________________________________________________________ | |
2914 | void AliITSv11GeometrySPD::PrintAscii(ostream *os)const{ | |
2915 | // Print out class data values in Ascii Form to output stream | |
2916 | // Inputs: | |
2917 | // ostream *os Output stream where Ascii data is to be writen | |
2918 | // Outputs: | |
2919 | // none. | |
2920 | // Return: | |
2921 | // none. | |
2922 | #if defined __GNUC__ | |
2923 | #if __GNUC__ > 2 | |
2924 | ios::fmtflags fmt = cout.flags(); | |
2925 | #else | |
2926 | Int_t fmt; | |
2927 | #endif | |
2928 | #else | |
2929 | #if defined __ICC || defined __ECC || defined __xlC__ | |
2930 | ios::fmtflags fmt; | |
2931 | #else | |
2932 | Int_t fmt; | |
2933 | #endif | |
2934 | #endif | |
2935 | os->flags(fmt); // reset back to old Formating. | |
2936 | return; | |
2937 | } | |
2938 | // | |
2939 | //__________________________________________________________________________________________ | |
2940 | void AliITSv11GeometrySPD::ReadAscii(istream* /* is */){ | |
2941 | // Read in class data values in Ascii Form to output stream | |
2942 | // Inputs: | |
2943 | // istream *is Input stream where Ascii data is to be read in from | |
2944 | // Outputs: | |
2945 | // none. | |
2946 | // Return: | |
2947 | // none. | |
2948 | } | |
2949 | // | |
2950 | //__________________________________________________________________________________________ | |
2951 | ostream &operator<<(ostream &os,const AliITSv11GeometrySPD &s){ | |
2952 | // Standard output streaming function | |
2953 | // Inputs: | |
2954 | // ostream &os output steam | |
2955 | // AliITSvPPRasymmFMD &s class to be streamed. | |
2956 | // Output: | |
2957 | // none. | |
2958 | // Return: | |
2959 | // ostream &os The stream pointer | |
2960 | ||
2961 | s.PrintAscii(&os); | |
2962 | return os; | |
2963 | } | |
2964 | // | |
2965 | //__________________________________________________________________________________________ | |
2966 | istream &operator>>(istream &is,AliITSv11GeometrySPD &s){ | |
2967 | // Standard inputput streaming function | |
2968 | // Inputs: | |
2969 | // istream &is input steam | |
2970 | // AliITSvPPRasymmFMD &s class to be streamed. | |
2971 | // Output: | |
2972 | // none. | |
2973 | // Return: | |
2974 | // ostream &os The stream pointer | |
2975 | ||
2976 | s.ReadAscii(&is); | |
2977 | return is; | |
2978 | } | |
2979 | // | |
2980 | //__________________________________________________________________________________________ | |
2981 | Bool_t AliITSv11GeometrySPD::Make2DCrossSections(TPolyLine &a0,TPolyLine &a1, | |
2982 | TPolyLine &b0,TPolyLine &b1,TPolyMarker &p)const{ | |
297369a1 | 2983 | // Fill the objects with the points representing |
2984 | // a0 the outer carbon fiber SPD sector shape Cross Section A | |
2985 | // a1 the inner carbon fiber SPD sector shape Cross Section A | |
2986 | // b0 the outer carbon fiber SPD sector shape Cross Section B | |
2987 | // b1 the inner carbon fiber SPD sector shape Cross Section B | |
2988 | // | |
2989 | // Inputs: | |
2990 | // TPolyLine &a0 The outer carbon fiber SPD sector shape | |
2991 | // TPolyLine &a1 The Inner carbon fiber SPD sector shape | |
2992 | // TPolyLine &b0 The outer carbon fiber SPD sector shape | |
2993 | // TPolyLine &b1 The Inner carbon fiber SPD sector shape | |
2994 | // TPolyMarker &p The points where the ladders are to be placed | |
2995 | // Outputs: | |
2996 | // TPolyLine &a0 The shape filled with the points | |
2997 | // TPolyLine &a1 The shape filled with the points | |
2998 | // TPolyLine &b0 The shape filled with the points | |
2999 | // TPolyLine &b1 The shape filled with the points | |
3000 | // TPolyMarker &p The filled array of points | |
3001 | // Return: | |
3002 | // An error flag. | |
3003 | Int_t n0,n1,i; | |
3004 | Double_t x,y; | |
3005 | TGeoVolume *a0V,*a1V,*b0V,*b1V; | |
3006 | TGeoXtru *a0S,*a1S,*b0S,*b1S; | |
3007 | TGeoManager *mgr = gGeoManager; | |
3008 | ||
bc3498f4 | 3009 | a0V = mgr->GetVolume("ITS SPD Carbon fiber support Sector A0"); |
297369a1 | 3010 | a0S = dynamic_cast<TGeoXtru*>(a0V->GetShape()); |
3011 | n0 = a0S->GetNvert(); | |
3012 | a0.SetPolyLine(n0+1); | |
3013 | //for(i=0;i<fSPDsectorPoints0.GetSize();i++) | |
3014 | // printf("%d %d %d\n",i,fSPDsectorPoints0[i],fSPDsectorPoints1[i]); | |
3015 | for(i=0;i<n0;i++){ | |
3016 | x = a0S->GetX(i); | |
bc3498f4 | 3017 | y = a0S->GetY(i); |
3018 | //printf("%d %g %g\n",i,x,y); | |
297369a1 | 3019 | a0.SetPoint(i,x,y); |
bc3498f4 | 3020 | if(i==0) a0.SetPoint(n0,x,y); |
297369a1 | 3021 | } // end for i |
3022 | a1V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorAirA1"); | |
3023 | a1S = dynamic_cast<TGeoXtru*>(a1V->GetShape()); | |
3024 | n1 = a1S->GetNvert(); | |
3025 | a1.SetPolyLine(n1+1); | |
3026 | for(i=0;i<n1;i++){ | |
3027 | x = a1S->GetX(i); | |
bc3498f4 | 3028 | y = a1S->GetY(i); |
297369a1 | 3029 | a1.SetPoint(i,x,y); |
bc3498f4 | 3030 | if(i==0) a1.SetPoint(n1,x,y); |
297369a1 | 3031 | } // end for i |
3032 | // Cross Section B | |
3033 | b0V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorEndB0"); | |
3034 | b0S = dynamic_cast<TGeoXtru*>(b0V->GetShape()); | |
3035 | n0 = b0S->GetNvert(); | |
3036 | b0.SetPolyLine(n0+1); | |
3037 | for(i=0;i<n0;i++){ | |
3038 | x = b0S->GetX(i); | |
bc3498f4 | 3039 | y = b0S->GetY(i); |
297369a1 | 3040 | b0.SetPoint(i,x,y); |
bc3498f4 | 3041 | if(i==0) b0.SetPoint(n0,x,y); |
297369a1 | 3042 | } // end for i |
3043 | b1V = mgr->GetVolume("ITSSPDCarbonFiberSupportSectorEndAirB1"); | |
3044 | b1S = dynamic_cast<TGeoXtru*>(b1V->GetShape()); | |
3045 | n1 = b1S->GetNvert(); | |
3046 | b1.SetPolyLine(n1+1); | |
3047 | for(i=0;i<n1;i++){ | |
3048 | x = b1S->GetX(i); | |
bc3498f4 | 3049 | y = b1S->GetY(i); |
297369a1 | 3050 | b1.SetPoint(i,x,y); |
bc3498f4 | 3051 | if(i==0) b1.SetPoint(n1,x,y); |
297369a1 | 3052 | } // end for i |
3053 | // | |
3054 | Double_t x0,y0,x1,y1; | |
bc3498f4 | 3055 | p.SetPolyMarker(2*fSPDsectorX0.GetSize()); |
3056 | for(i=0;i<fSPDsectorX0.GetSize();i++){ | |
3057 | GetSectorMountingPoints(i,x0,y0,x1,y1); | |
3058 | p.SetPoint(2*i,x0,y0); | |
3059 | p.SetPoint(2*i+1,x1,y1); | |
297369a1 | 3060 | } // end for i |
3061 | return kTRUE; | |
3062 | } |