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db486a6e | 1 | /************************************************************************** |
59da35b6 | 2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
db486a6e | 3 | * * |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
592651e2 | 15 | // |
db486a6e | 16 | // This class Defines the Geometry for the ITS services and support cones |
d0048cec | 17 | // outside of the central volume (except for the Central support |
54c9a3d9 | 18 | // cylinders). Other classes define the rest of the ITS, specifically the |
19 | // SSD support cone, the SSD Support central cylinder, the SDD support cone, | |
20 | // the SDD support central cylinder, the SPD Thermal Shield, 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 | // | |
54c9a3d9 | 24 | // Here is the calling sequence associated with this file |
25 | // SPDSector(TGeoVolume *moth,TGeoManager *mgr) | |
26 | // -----CarbonFiberSector(TGeoVolume *moth,Double_t &xAAtubeCenter0, | |
27 | // Double_t &yAAtubeCenter0,TGeoManager *mgr) | |
28 | // -----2* SPDsectorShape(Int_t n,const Double_t *xc,const Double_t *yc, | |
29 | // | const Double_t *r,const Double_t *ths, | |
30 | // | const Double_t *the,Int_t npr,Int_t &m, | |
31 | // | Double_t **xp,Double_t **yp) | |
32 | // -----StavesInSector(TGeoVolume *moth,TGeoManager *mgr) | |
33 | // -----3* CreaeStave(Int_t layer,TArrayD &sizes,Bool_t addClips, | |
34 | // | TGeoManager *mgr) | |
35 | // | -----2* CreateHalfStave(Boot_t isRight,Int_t layer, | |
36 | // | Int_t idxCentral,Int_t idxSide, | |
37 | // | TArrayD &sizes,Bool_t addClips, | |
38 | // | TGeoManager *mgr) | |
39 | // | -----CreateGrondingFoil(Bool_t isRight,TArrayD &sizes, | |
40 | // | | TGeoManager *mgr) | |
41 | // | | -----4* CreateGroundingFoilSingle(Int_t type, | |
42 | // | | TArrayD &sizes, | |
43 | // | | TGeoManger *mgr) | |
44 | // | |----CreateLadder(Int_t layer, TArrayD &sizes, | |
45 | // | | TGeoManager *mgr) | |
46 | // | |----CreateMCM(Bool_t isRight,TArrayD &sizes, | |
47 | // | | TGeoManger *mgr) | |
48 | // | |----CreatePixelBus(Bool_t isRight,TArrayD &sizes, | |
49 | // | | TGeoManager *mgr) | |
50 | // | -----CreateClip(TArrayD &sizes,TGeoManager *mgr) | |
51 | // |----GetSectorMountingPoints(Int_t index,Double_t &x0, | |
52 | // | Double_t &y0,Double_t &x1, | |
53 | // | Double_t y1) | |
54 | // -----3* ParallelPosition(Double_t dist1,Double_t dist2, | |
55 | // Double_t phi,Double_t &x,Double_t &y) | |
56 | // | |
57 | // Obsoleate or presently unused routines are: setAddStave(Bool_t *mask), | |
58 | // CreatePixelBusAndExtensions(...) which calles CreateExtender(...). | |
db486a6e | 59 | |
543b7370 | 60 | /* $Id$ */ |
592651e2 | 61 | |
4098f5dd | 62 | |
db486a6e | 63 | // General Root includes |
64 | #include <Riostream.h> | |
65 | #include <TMath.h> | |
66 | #include <TLatex.h> | |
67 | #include <TCanvas.h> | |
68 | #include <TPolyLine.h> | |
297369a1 | 69 | #include <TPolyMarker.h> |
bc3498f4 | 70 | |
db486a6e | 71 | // Root Geometry includes |
f7a1cc68 | 72 | #include <TGeoCompositeShape.h> |
db486a6e | 73 | #include <TGeoEltu.h> |
f7a1cc68 | 74 | #include <TGeoGlobalMagField.h> |
a53658c6 | 75 | #include <TGeoMaterial.h> |
f7a1cc68 | 76 | #include <TGeoMatrix.h> |
a53658c6 | 77 | #include <TGeoMedium.h> |
f7a1cc68 | 78 | #include <TGeoTube.h> // contains TGeoTubeSeg |
79 | #include <TGeoVolume.h> | |
80 | #include <TGeoXtru.h> | |
c890eba4 | 81 | #include <TGeoPcon.h> |
bc3498f4 | 82 | |
592651e2 | 83 | // AliRoot includes |
bc3498f4 | 84 | #include "AliLog.h" |
a53658c6 | 85 | #include "AliMagF.h" |
86 | #include "AliRun.h" | |
bc3498f4 | 87 | |
592651e2 | 88 | // Declaration file |
db486a6e | 89 | #include "AliITSv11GeometrySPD.h" |
90 | ||
54c9a3d9 | 91 | // Constant definistions |
d0048cec | 92 | const Double_t AliITSv11GeometrySPD::fgkGapLadder = |
54c9a3d9 | 93 | AliITSv11Geometry::fgkmicron*75.; // 75 microns |
d0048cec | 94 | const Double_t AliITSv11GeometrySPD::fgkGapHalfStave = |
54c9a3d9 | 95 | AliITSv11Geometry::fgkmicron*120.; // 120 microns |
7855ea93 | 96 | |
db486a6e | 97 | ClassImp(AliITSv11GeometrySPD) |
54c9a3d9 | 98 | //______________________________________________________________________ |
99 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(/*Double_t gap*/): | |
100 | AliITSv11Geometry(),// Default constructor of base class | |
101 | fAddStave(), // [DEBUG] must be TRUE for all staves which will be | |
102 | // mounted in the sector (used to check overlaps) | |
103 | fSPDsectorX0(0), // X of first edge of sector plane for stave | |
104 | fSPDsectorY0(0), // Y of first edge of sector plane for stave | |
105 | fSPDsectorX1(0), // X of second edge of sector plane for stave | |
106 | fSPDsectorY1(0), // Y of second edge of sector plane for stave | |
d0048cec | 107 | fTubeEndSector() // coordinate of cooling tube ends |
54c9a3d9 | 108 | { |
109 | // | |
110 | // Default constructor. | |
d0048cec | 111 | // This does not initialize anything and is provided just for |
54c9a3d9 | 112 | // completeness. It is recommended to use the other one. |
113 | // The alignment gap is specified as argument (default = 0.0075 cm). | |
114 | // Inputs: | |
115 | // none. | |
116 | // Outputs: | |
117 | // none. | |
118 | // Return: | |
119 | // A default constructed AliITSv11GeometrySPD class. | |
120 | // | |
121 | Int_t i = 0,j=0,k=0; | |
db486a6e | 122 | |
54c9a3d9 | 123 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; |
124 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){ | |
125 | this->fTubeEndSector[k][0][i][j] = 0.0; | |
126 | this->fTubeEndSector[k][1][i][j] = 0.0; | |
127 | } // end for i,j | |
128 | } | |
129 | //______________________________________________________________________ | |
130 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(Int_t debug/*, Double_t gap*/): | |
131 | AliITSv11Geometry(debug),// Default constructor of base class | |
132 | fAddStave(), // [DEBUG] must be TRUE for all staves which will be | |
133 | // mounted in the sector (used to check overlaps) | |
134 | fSPDsectorX0(0), // X of first edge of sector plane for stave | |
135 | fSPDsectorY0(0), // Y of first edge of sector plane for stave | |
136 | fSPDsectorX1(0), // X of second edge of sector plane for stave | |
137 | fSPDsectorY1(0), // Y of second edge of sector plane for stave | |
d0048cec | 138 | fTubeEndSector() // coordinate of cooling tube ends |
54c9a3d9 | 139 | { |
140 | // | |
141 | // Constructor with debug setting argument | |
142 | // This is the constructor which is recommended to be used. | |
143 | // It sets a debug level, and initializes the name of the object. | |
144 | // The alignment gap is specified as argument (default = 0.0075 cm). | |
145 | // Inputs: | |
146 | // Int_t debug Debug level, 0= no debug output. | |
147 | // Outputs: | |
148 | // none. | |
149 | // Return: | |
150 | // A default constructed AliITSv11GeometrySPD class. | |
151 | // | |
152 | Int_t i = 0,j=0,k=0; | |
db486a6e | 153 | |
54c9a3d9 | 154 | for (i = 0; i < 6; i++) fAddStave[i] = kTRUE; |
155 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){ | |
156 | this->fTubeEndSector[k][0][i][j] = 0.0; | |
157 | this->fTubeEndSector[k][1][i][j] = 0.0; | |
158 | } // end for i,j | |
159 | } | |
160 | //______________________________________________________________________ | |
161 | AliITSv11GeometrySPD::AliITSv11GeometrySPD(const AliITSv11GeometrySPD &s): | |
162 | AliITSv11Geometry(s),// Base Class Copy constructor | |
163 | fAddStave(), // [DEBUG] must be TRUE for all staves which will be | |
164 | // mounted in the sector (used to check overlaps) | |
165 | fSPDsectorX0(s.fSPDsectorX0), // X of first edge of sector plane for stave | |
166 | fSPDsectorY0(s.fSPDsectorY0), // Y of first edge of sector plane for stave | |
167 | fSPDsectorX1(s.fSPDsectorX1), // X of second edge of sector plane for stave | |
168 | fSPDsectorY1(s.fSPDsectorY1) // Y of second edge of sector plane for stave | |
bc3498f4 | 169 | { |
54c9a3d9 | 170 | // |
171 | // Copy Constructor | |
172 | // Inputs: | |
173 | // AliITSv11GeometrySPD &s source class | |
174 | // Outputs: | |
175 | // none. | |
176 | // Return: | |
177 | // A copy of a AliITSv11GeometrySPD class. | |
178 | // | |
179 | Int_t i=0,j=0,k=0; | |
180 | ||
181 | for (i = 0; i < 6; i++) this->fAddStave[i] = s.fAddStave[i]; | |
182 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){ | |
183 | this->fTubeEndSector[k][0][i][j] = s.fTubeEndSector[k][0][i][j]; | |
184 | this->fTubeEndSector[k][1][i][j] = s.fTubeEndSector[k][1][i][j]; | |
185 | } // end for i,j | |
bc3498f4 | 186 | } |
54c9a3d9 | 187 | //______________________________________________________________________ |
d0048cec | 188 | AliITSv11GeometrySPD& AliITSv11GeometrySPD::operator=(const |
54c9a3d9 | 189 | AliITSv11GeometrySPD &s) |
bc3498f4 | 190 | { |
54c9a3d9 | 191 | // |
192 | // = operator | |
193 | // Inputs: | |
194 | // AliITSv11GeometrySPD &s source class | |
195 | // Outputs: | |
196 | // none. | |
197 | // Return: | |
198 | // A copy of a AliITSv11GeometrySPD class. | |
199 | // | |
200 | Int_t i=0,j=0,k=0; | |
201 | ||
202 | if(this==&s) return *this; | |
203 | for (i = 0; i < 6; i++) this->fAddStave[i] = s.fAddStave[i]; | |
204 | this->fSPDsectorX0=s.fSPDsectorX0; | |
205 | this->fSPDsectorY0=s.fSPDsectorY0; | |
206 | this->fSPDsectorX1=s.fSPDsectorX1; | |
207 | this->fSPDsectorY1=s.fSPDsectorY1; | |
208 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){ | |
209 | this->fTubeEndSector[k][0][i][j] = s.fTubeEndSector[k][0][i][j]; | |
210 | this->fTubeEndSector[k][1][i][j] = s.fTubeEndSector[k][1][i][j]; | |
211 | } // end for i,j | |
212 | return *this; | |
bc3498f4 | 213 | } |
54c9a3d9 | 214 | //______________________________________________________________________ |
215 | TGeoMedium* AliITSv11GeometrySPD::GetMedium(const char* mediumName, | |
216 | TGeoManager *mgr) const | |
bc3498f4 | 217 | { |
54c9a3d9 | 218 | // |
d0048cec | 219 | // This function is used to recovery any medium |
220 | // used to build the geometry volumes. | |
221 | // If the required medium does not exists, | |
54c9a3d9 | 222 | // a NULL pointer is returned, and an error message is written. |
223 | // | |
224 | Char_t itsMediumName[30]; | |
225 | ||
226 | sprintf(itsMediumName, "ITS_%s", mediumName); | |
227 | TGeoMedium* medium = mgr->GetMedium(itsMediumName); | |
228 | if (!medium) AliError(Form("Medium <%s> not found", mediumName)); | |
229 | ||
230 | return medium; | |
bc3498f4 | 231 | } |
54c9a3d9 | 232 | |
54c9a3d9 | 233 | //______________________________________________________________________ |
bc3498f4 | 234 | void AliITSv11GeometrySPD::SPDSector(TGeoVolume *moth, TGeoManager *mgr) |
235 | { | |
54c9a3d9 | 236 | // |
d0048cec | 237 | // Creates a single SPD carbon fiber sector and places it |
54c9a3d9 | 238 | // in a container volume passed as first argument ('moth'). |
239 | // Second argument points to the TGeoManager which coordinates | |
240 | // the overall volume creation. | |
d0048cec | 241 | // The position of the sector is based on distance of |
242 | // closest point of SPD stave to beam pipe | |
54c9a3d9 | 243 | // (figures all-sections-modules.ps) of 7.22mm at section A-A. |
244 | // | |
245 | ||
246 | // Begin_Html | |
247 | /* | |
248 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
249 | title="SPD Sector drawing with all cross sections defined"> | |
d0048cec | 250 | <p>The SPD Sector definition. In |
54c9a3d9 | 251 | <a href="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.hpgl">HPGL</a> format. |
252 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly-10-modules.ps" | |
253 | titile="SPD All Sectors end view with thermal sheald"> | |
254 | <p>The SPD all sector end view with thermal sheald. | |
255 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps" | |
256 | title="SPD side view cross section"> | |
257 | <p>SPD side view cross section with condes and thermal shealds. | |
258 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-A_A.jpg" | |
259 | title="Cross section A-A"><p>Cross section A-A. | |
260 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-B_B.jpg" | |
261 | title="Cross updated section A-A"><p>Cross updated section A-A. | |
262 | <img src="http://physics.mps.ohio-state.edu/~nilsen/ITSfigures/Sezione_layerAA.pdf" | |
263 | title="Cross section B-B"><p>Cross section B-B. | |
264 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-C_C.jpg" | |
265 | title-"Cross section C-C"><p>Cross section C-C. | |
266 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-D_D.jpg" | |
267 | title="Cross section D-D"><p>Cross section D-D. | |
268 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-E_E.jpg" | |
269 | title="Cross section E-E"><p>Cross section E-E. | |
270 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-F_F.jpg" | |
271 | title="Cross section F-F"><p>Cross section F-F. | |
272 | <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-G_G.jpg" | |
273 | title="Cross section G-G"><p>Cross section G-G. | |
274 | */ | |
275 | // End_Html | |
276 | ||
277 | // Inputs: | |
278 | // TGeoVolume *moth Pointer to mother volume where this object | |
279 | // is to be placed in | |
280 | // TGeoManager *mgr Pointer to the TGeoManager used, defaule is | |
281 | // gGeoManager. | |
282 | // Outputs: | |
283 | // none. | |
284 | // Return: | |
285 | // none. | |
286 | // Updated values for kSPDclossesStaveAA, kBeamPipeRadius, and | |
d0048cec | 287 | // staveThicknessAA are taken from |
54c9a3d9 | 288 | // http://physics.mps.ohio-state.edu/~nilsen/ITSfigures/Sezione_layerAA.pdf |
289 | // | |
3ffa185f | 290 | const Double_t kSPDclossesStaveAA = 7.25* fgkmm; |
54c9a3d9 | 291 | const Double_t kSectorStartingAngle = -72.0 * fgkDegree; |
3ffa185f | 292 | const Int_t kNSectorsTotal = 10; |
293 | const Double_t kSectorRelativeAngle = 36.0 * fgkDegree; // = 360.0 / 10 | |
294 | const Double_t kBeamPipeRadius = 0.5 * 59.6 * fgkmm; // diam. = 59.6 mm | |
295 | //const Double_t staveThicknessAA = 0.9 *fgkmm; // nominal thickness | |
296 | const Double_t staveThicknessAA = 1.02 * fgkmm; // get from stave geometry. | |
d0048cec | 297 | |
3ffa185f | 298 | Int_t i, j, k; |
54c9a3d9 | 299 | Double_t angle, radiusSector, xAAtubeCenter0, yAAtubeCenter0; |
3ffa185f | 300 | TGeoCombiTrans *secRot = new TGeoCombiTrans(), *comrot; |
54c9a3d9 | 301 | TGeoVolume *vCarbonFiberSector; |
302 | TGeoMedium *medSPDcf; | |
303 | ||
d0048cec | 304 | // Define an assembly and fill it with the support of |
54c9a3d9 | 305 | // a single carbon fiber sector and staves in it |
306 | medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
307 | vCarbonFiberSector = new TGeoVolumeAssembly("ITSSPDCarbonFiberSectorV"); | |
308 | vCarbonFiberSector->SetMedium(medSPDcf); | |
3ffa185f | 309 | CarbonFiberSector(vCarbonFiberSector, xAAtubeCenter0, yAAtubeCenter0, mgr); |
54c9a3d9 | 310 | |
311 | // Compute the radial shift out of the sectors | |
3ffa185f | 312 | radiusSector = kBeamPipeRadius + kSPDclossesStaveAA + staveThicknessAA; |
313 | radiusSector = GetSPDSectorTranslation(fSPDsectorX0.At(1), fSPDsectorY0.At(1), | |
314 | fSPDsectorX1.At(1), fSPDsectorY1.At(1), radiusSector); | |
315 | //radiusSector *= radiusSector; // squaring; | |
316 | //radiusSector -= xAAtubeCenter0 * xAAtubeCenter0; | |
317 | //radiusSector = -yAAtubeCenter0 + TMath::Sqrt(radiusSector); | |
d0048cec | 318 | |
3ffa185f | 319 | AliDebug(1, Form("SPDSector : radiusSector=%f\n",radiusSector)); |
320 | i = 1; | |
321 | AliDebug(1, Form("i= %d x0=%f y0=%f x1=%f y1=%f\n", i, | |
322 | fSPDsectorX0.At(i), fSPDsectorY0.At(i), | |
323 | fSPDsectorX1.At(i),fSPDsectorY1.At(i))); | |
d0048cec | 324 | |
54c9a3d9 | 325 | // add 10 single sectors, by replicating the virtual sector defined above |
326 | // and placing at different angles | |
327 | Double_t shiftX, shiftY, tub[2][6][3]; | |
3ffa185f | 328 | for(i=0;i<2;i++)for(j=0;j<6;j++)for(k=0;k<3;k++) tub[i][j][k] = fTubeEndSector[0][i][j][k]; |
54c9a3d9 | 329 | angle = kSectorStartingAngle; |
330 | secRot->RotateZ(angle); | |
331 | TGeoVolumeAssembly *vcenteral = new TGeoVolumeAssembly("ITSSPD"); | |
3ffa185f | 332 | moth->AddNode(vcenteral, 1, 0); |
333 | for(i = 0; i < kNSectorsTotal; i++) { | |
54c9a3d9 | 334 | shiftX = -radiusSector * TMath::Sin(angle/fgkRadian); |
335 | shiftY = radiusSector * TMath::Cos(angle/fgkRadian); | |
d0048cec | 336 | //cout << "ANGLE = " << angle << endl; |
3ffa185f | 337 | shiftX += 0.1094 * TMath::Cos((angle + 196.)/fgkRadian); |
338 | shiftY += 0.1094 * TMath::Sin((angle + 196.)/fgkRadian); | |
339 | //shiftX -= 0.105; | |
340 | //shiftY -= 0.031; | |
341 | //shiftX -= 0.11 * TMath::Cos(angle/fgkRadian); // add by Alberto | |
342 | //shiftY -= 0.11 * TMath::Sin(angle/fgkRadian); // don't ask me where that 0.11 comes from! | |
54c9a3d9 | 343 | secRot->SetDx(shiftX); |
344 | secRot->SetDy(shiftY); | |
345 | comrot = new TGeoCombiTrans(*secRot); | |
346 | vcenteral->AddNode(vCarbonFiberSector,i+1,comrot); | |
347 | for(j=0;j<2;j++)for(k=0;k<6;k++) // Transform Tube ends for each sector | |
348 | comrot->LocalToMaster(tub[j][k],fTubeEndSector[i][j][k]); | |
349 | if(GetDebug(5)) { | |
350 | AliInfo(Form("i=%d angle=%g angle[rad]=%g radiusSector=%g " | |
351 | "x=%g y=%g \n",i, angle, angle/fgkRadian, | |
352 | radiusSector, shiftX, shiftY)); | |
353 | } // end if GetDebug(5) | |
354 | angle += kSectorRelativeAngle; | |
355 | secRot->RotateZ(kSectorRelativeAngle); | |
356 | } // end for i | |
357 | if(GetDebug(3)) moth->PrintNodes(); | |
358 | delete secRot; | |
d0048cec | 359 | |
7f69c251 | 360 | CreateCones(moth); |
a53658c6 | 361 | } |
54c9a3d9 | 362 | //______________________________________________________________________ |
363 | void AliITSv11GeometrySPD::CarbonFiberSector(TGeoVolume *moth, | |
364 | Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr) | |
bc3498f4 | 365 | { |
54c9a3d9 | 366 | // |
367 | // Define the detail SPD Carbon fiber support Sector geometry. | |
368 | // Based on the drawings: | |
369 | /* | |
370 | http:///QA-construzione-profilo-modulo.ps | |
371 | */ | |
372 | // - ALICE-Pixel "Costruzione Profilo Modulo" (march 25 2004) | |
373 | // - ALICE-SUPPORTO "Costruzione Profilo Modulo" | |
374 | // --- | |
375 | // Define outside radii as negative, where "outside" means that the | |
376 | // center of the arc is outside of the object (feb 16 2004). | |
377 | // --- | |
378 | // Arguments [the one passed by ref contain output values]: | |
379 | // Inputs: | |
380 | // TGeoVolume *moth the voulme which will contain this object | |
381 | // TGeoManager *mgr TGeo builder defauls is gGeoManager | |
382 | // Outputs: | |
383 | // Double_t &xAAtubeCenter0 (by ref) x location of the outer surface | |
384 | // of the cooling tube center for tube 0. | |
385 | // Double_t &yAAtubeCenter0 (by ref) y location of the outer surface | |
386 | // of the cooling tube center for tube 0. | |
387 | // Return: | |
388 | // none. | |
389 | // --- | |
390 | // Int the two variables passed by reference values will be stored | |
391 | // which will then be used to correctly locate this sector. | |
392 | // The information used for this is the distance between the | |
393 | // center of the #0 detector and the beam pipe. | |
394 | // Measurements are taken at cross section A-A. | |
395 | // | |
d0048cec | 396 | |
54c9a3d9 | 397 | //TGeoMedium *medSPDfs = 0;//SPD support cone inserto stesalite 4411w |
398 | //TGeoMedium *medSPDfo = 0;//SPD support cone foam, Rohacell 50A. | |
399 | //TGeoMedium *medSPDal = 0;//SPD support cone SDD mounting bracket Al | |
400 | TGeoMedium *medSPDcf = GetMedium("SPD C (M55J)$", mgr); | |
401 | TGeoMedium *medSPDss = GetMedium("INOX$", mgr); | |
402 | TGeoMedium *medSPDair = GetMedium("AIR$", mgr); | |
403 | TGeoMedium *medSPDcoolfl = GetMedium("Freon$", mgr); //ITSspdCoolingFluid | |
404 | // | |
405 | const Double_t ksecDz = 0.5 * 500.0 * fgkmm; | |
406 | //const Double_t ksecLen = 30.0 * fgkmm; | |
407 | const Double_t ksecCthick = 0.2 * fgkmm; | |
408 | const Double_t ksecDipLength = 3.2 * fgkmm; | |
409 | const Double_t ksecDipRadii = 0.4 * fgkmm; | |
410 | //const Double_t ksecCoolingTubeExtraDepth = 0.86 * fgkmm; | |
411 | // | |
412 | // The following positions ('ksecX#' and 'ksecY#') and radii ('ksecR#') | |
413 | // are the centers and radii of curvature of all the rounded corners | |
414 | // between the straight borders of the SPD sector shape. | |
415 | // To draw this SPD sector, the following steps are followed: | |
416 | // 1) the (ksecX, ksecY) points are plotted | |
417 | // and circles of the specified radii are drawn around them. | |
418 | // 2) each pair of consecutive circles is connected by a line | |
d0048cec | 419 | // tangent to them, in accordance with the radii being "internal" |
420 | // or "external" with respect to the closed shape which describes | |
54c9a3d9 | 421 | // the sector itself. |
d0048cec | 422 | // The resulting connected shape is the section |
54c9a3d9 | 423 | // of the SPD sector surface in the transverse plane (XY). |
424 | // | |
425 | const Double_t ksecX0 = -10.725 * fgkmm; | |
426 | const Double_t ksecY0 = -14.853 * fgkmm; | |
427 | const Double_t ksecR0 = -0.8 * fgkmm; // external | |
428 | const Double_t ksecX1 = -13.187 * fgkmm; | |
429 | const Double_t ksecY1 = -19.964 * fgkmm; | |
3ffa185f | 430 | const Double_t ksecR1 = +0.6 * fgkmm; // internal // (modif. by Alberto) |
431 | //const Double_t ksecR1 = +0.8 * fgkmm; // internal // (modif. by Alberto) | |
432 | ||
54c9a3d9 | 433 | // const Double_t ksecDip0 = 5.9 * fgkmm; |
434 | // | |
3ffa185f | 435 | //const Double_t ksecX2 = -3.883 * fgkmm; |
436 | const Double_t ksecX2 = -3.833 * fgkmm; // (corr. by Alberto) | |
54c9a3d9 | 437 | const Double_t ksecY2 = -17.805 * fgkmm; |
3ffa185f | 438 | const Double_t ksecR2 = +0.6 * fgkmm; // internal (guess) |
54c9a3d9 | 439 | const Double_t ksecX3 = -3.123 * fgkmm; |
440 | const Double_t ksecY3 = -14.618 * fgkmm; | |
441 | const Double_t ksecR3 = -0.6 * fgkmm; // external | |
442 | //const Double_t ksecDip1 = 8.035 * fgkmm; | |
443 | // | |
444 | const Double_t ksecX4 = +11.280 * fgkmm; | |
445 | const Double_t ksecY4 = -14.473 * fgkmm; | |
446 | const Double_t ksecR4 = +0.8 * fgkmm; // internal | |
447 | const Double_t ksecX5 = +19.544 * fgkmm; | |
448 | const Double_t ksecY5 = +10.961 * fgkmm; | |
449 | const Double_t ksecR5 = +0.8 * fgkmm; // internal | |
450 | //const Double_t ksecDip2 = 4.553 * fgkmm; | |
d0048cec | 451 | // |
54c9a3d9 | 452 | const Double_t ksecX6 = +10.830 * fgkmm; |
453 | const Double_t ksecY6 = +16.858 * fgkmm; | |
454 | const Double_t ksecR6 = +0.6 * fgkmm; // internal | |
455 | const Double_t ksecX7 = +11.581 * fgkmm; | |
456 | const Double_t ksecY7 = +13.317 * fgkmm; | |
457 | const Double_t ksecR7 = -0.6 * fgkmm; // external | |
458 | //const Double_t ksecDip3 = 6.978 * fgkmm; | |
459 | // | |
460 | const Double_t ksecX8 = -0.733 * fgkmm; | |
461 | const Double_t ksecY8 = +17.486 * fgkmm; | |
462 | const Double_t ksecR8 = +0.6 * fgkmm; // internal | |
463 | const Double_t ksecX9 = +0.562 * fgkmm; | |
464 | //const Double_t ksecY9 = +14.486 * fgkmm; // correction by | |
465 | const Double_t ksecY9 = +14.107 * fgkmm; // Alberto | |
466 | const Double_t ksecR9 = -0.6 * fgkmm; // external | |
467 | //const Double_t ksecDip4 = 6.978 * fgkmm; | |
468 | // | |
469 | const Double_t ksecX10 = -12.252 * fgkmm; | |
470 | const Double_t ksecY10 = +16.298 * fgkmm; | |
471 | const Double_t ksecR10 = +0.6 * fgkmm; // internal | |
472 | const Double_t ksecX11 = -10.445 * fgkmm; | |
473 | const Double_t ksecY11 = +13.162 * fgkmm; | |
474 | const Double_t ksecR11 = -0.6 * fgkmm; // external | |
475 | //const Double_t ksecDip5 = 6.978 * fgkmm; | |
476 | // | |
477 | const Double_t ksecX12 = -22.276 * fgkmm; | |
478 | const Double_t ksecY12 = +12.948 * fgkmm; | |
479 | const Double_t ksecR12 = +0.85 * fgkmm; // internal | |
480 | const Double_t ksecR13 = -0.8 * fgkmm; // external | |
481 | const Double_t ksecAngleSide13 = 36.0 * fgkDegree; | |
482 | // | |
483 | const Int_t ksecNRadii = 20; | |
484 | const Int_t ksecNPointsPerRadii = 4; | |
485 | const Int_t ksecNCoolingTubeDips = 6; | |
486 | // | |
487 | // Since the rounded parts are approximated by a regular polygon | |
488 | // and a cooling tube of the propper diameter must fit, a scaling factor | |
489 | // increases the size of the polygon for the tube to fit. | |
490 | //const Double_t ksecRCoolScale = 1./TMath::Cos(TMath::Pi()/ | |
491 | // (Double_t)ksecNPointsPerRadii); | |
492 | const Double_t ksecZEndLen = 30.000 * fgkmm; | |
493 | //const Double_t ksecZFlangLen = 45.000 * fgkmm; | |
494 | const Double_t ksecTl = 0.860 * fgkmm; | |
495 | const Double_t ksecCthick2 = 0.600 * fgkmm; | |
496 | //const Double_t ksecCthick3 = 1.80 * fgkmm; | |
497 | //const Double_t ksecSidelen = 22.0 * fgkmm; | |
498 | //const Double_t ksecSideD5 = 3.679 * fgkmm; | |
499 | //const Double_t ksecSideD12 = 7.066 * fgkmm; | |
500 | const Double_t ksecRCoolOut = 2.400 * fgkmm; | |
501 | const Double_t ksecRCoolIn = 2.000 * fgkmm; | |
502 | const Double_t ksecDl1 = 5.900 * fgkmm; | |
503 | const Double_t ksecDl2 = 8.035 * fgkmm; | |
504 | const Double_t ksecDl3 = 4.553 * fgkmm; | |
505 | const Double_t ksecDl4 = 6.978 * fgkmm; | |
506 | const Double_t ksecDl5 = 6.978 * fgkmm; | |
507 | const Double_t ksecDl6 = 6.978 * fgkmm; | |
508 | const Double_t ksecCoolTubeThick = 0.04 * fgkmm; | |
509 | const Double_t ksecCoolTubeROuter = 2.6 * fgkmm; | |
510 | const Double_t ksecCoolTubeFlatX = 3.696 * fgkmm; | |
511 | const Double_t ksecCoolTubeFlatY = 0.68 * fgkmm; | |
512 | //const Double_t ksecBeamX0 = 0.0 * fgkmm; // guess | |
513 | //const Double_t ksecBeamY0 = (15.223 + 40.) * fgkmm; // guess | |
514 | // | |
515 | // redefine some of the points already defined above | |
516 | // in the format of arrays (???) | |
517 | const Int_t ksecNPoints = (ksecNPointsPerRadii + 1) * ksecNRadii + 8; | |
518 | Double_t secX[ksecNRadii] = { | |
519 | ksecX0, ksecX1, -1000.0, | |
520 | ksecX2, ksecX3, -1000.0, | |
521 | ksecX4, ksecX5, -1000.0, | |
522 | ksecX6, ksecX7, -1000.0, | |
523 | ksecX8, ksecX9, -1000.0, | |
524 | ksecX10, ksecX11, -1000.0, | |
525 | ksecX12, -1000.0 | |
526 | }; | |
527 | Double_t secY[ksecNRadii] = { | |
528 | ksecY0, ksecY1, -1000.0, | |
529 | ksecY2, ksecY3, -1000.0, | |
530 | ksecY4, ksecY5, -1000.0, | |
531 | ksecY6, ksecY7, -1000.0, | |
532 | ksecY8, ksecY9, -1000.0, | |
533 | ksecY10, ksecY11, -1000.0, | |
534 | ksecY12, -1000.0 | |
535 | }; | |
d0048cec | 536 | Double_t secR[ksecNRadii] = { |
54c9a3d9 | 537 | ksecR0, ksecR1, -.5 * ksecDipLength - ksecDipRadii, |
538 | ksecR2, ksecR3, -.5 * ksecDipLength - ksecDipRadii, | |
539 | ksecR4, ksecR5, -.5 * ksecDipLength - ksecDipRadii, | |
540 | ksecR6, ksecR7, -.5 * ksecDipLength - ksecDipRadii, | |
541 | ksecR8, ksecR9, -.5 * ksecDipLength - ksecDipRadii, | |
542 | ksecR10, ksecR11, -.5 * ksecDipLength - ksecDipRadii, | |
543 | ksecR12, ksecR13 | |
544 | }; | |
c890eba4 | 545 | |
54c9a3d9 | 546 | Double_t secX2[ksecNRadii]; |
547 | Double_t secY2[ksecNRadii]; | |
548 | Double_t secR2[ksecNRadii] = { | |
549 | ksecR0, ksecR1, ksecRCoolOut, | |
550 | ksecR2, ksecR3, ksecRCoolOut, | |
551 | ksecR4, ksecR5, ksecRCoolOut, | |
552 | ksecR6, ksecR7, ksecRCoolOut, | |
553 | ksecR8, ksecR9, ksecRCoolOut, | |
554 | ksecR10, ksecR11, ksecRCoolOut, | |
555 | ksecR12, ksecR13 | |
556 | }; | |
d0048cec | 557 | Double_t secDip2[ksecNCoolingTubeDips] = { |
558 | ksecDl1, ksecDl2, ksecDl3, | |
559 | ksecDl4, ksecDl5, ksecDl6 | |
54c9a3d9 | 560 | }; |
561 | Double_t secX3[ksecNRadii]; | |
562 | Double_t secY3[ksecNRadii]; | |
563 | const Int_t ksecDipIndex[ksecNCoolingTubeDips] = {2, 5, 8, 11, 14, 17}; | |
564 | Double_t secAngleStart[ksecNRadii]; | |
565 | Double_t secAngleEnd[ksecNRadii]; | |
566 | Double_t secAngleStart2[ksecNRadii]; | |
567 | Double_t secAngleEnd2[ksecNRadii]; | |
568 | Double_t secAngleTurbo[ksecNCoolingTubeDips] = {0., 0., 0., 0., 0., 0.0}; | |
569 | //Double_t secAngleStart3[ksecNRadii]; | |
570 | //Double_t secAngleEnd3[ksecNRadii]; | |
571 | Double_t xpp[ksecNPoints], ypp[ksecNPoints]; | |
572 | Double_t xpp2[ksecNPoints], ypp2[ksecNPoints]; | |
573 | Double_t *xp[ksecNRadii], *xp2[ksecNRadii]; | |
574 | Double_t *yp[ksecNRadii], *yp2[ksecNRadii]; | |
575 | TGeoXtru *sA0, *sA1, *sB0, *sB1,*sB2; | |
576 | TGeoBBox *sB3; | |
577 | TGeoEltu *sTA0, *sTA1; | |
578 | TGeoTube *sTB0, *sTB1; //,*sM0; | |
579 | TGeoRotation *rot; | |
580 | TGeoTranslation *trans; | |
581 | TGeoCombiTrans *rotrans; | |
582 | Double_t t, t0, t1, a, b, x0, y0,z0, x1, y1; | |
583 | Int_t i, j, k, m; | |
584 | Bool_t tst; | |
585 | ||
586 | if(!moth) { | |
587 | AliError("Container volume (argument) is NULL"); | |
588 | return; | |
589 | } // end if(!moth) | |
590 | for(i = 0; i < ksecNRadii; i++) { | |
591 | xp[i] = &(xpp[i*(ksecNPointsPerRadii+1)]); | |
592 | yp[i] = &(ypp[i*(ksecNPointsPerRadii+1)]); | |
593 | xp2[i] = &(xpp2[i*(ksecNPointsPerRadii+1)]); | |
594 | yp2[i] = &(ypp2[i*(ksecNPointsPerRadii+1)]); | |
595 | secX2[i] = secX[i]; | |
596 | secY2[i] = secY[i]; | |
597 | secX3[i] = secX[i]; | |
598 | secY3[i] = secY[i]; | |
599 | } // end for i | |
600 | // | |
601 | // find starting and ending angles for all but cooling tube sections | |
602 | secAngleStart[0] = 0.5 * ksecAngleSide13; | |
603 | for(i = 0; i < ksecNRadii - 2; i++) { | |
604 | tst = kFALSE; | |
605 | for(j=0;j<ksecNCoolingTubeDips;j++) tst = (tst||i==ksecDipIndex[j]); | |
606 | if (tst) continue; | |
607 | tst = kFALSE; | |
608 | for(j=0;j<ksecNCoolingTubeDips;j++) tst =(tst||(i+1)==ksecDipIndex[j]); | |
609 | if (tst) j = i+2; else j = i+1; | |
610 | AnglesForRoundedCorners(secX[i],secY[i],secR[i],secX[j],secY[j], | |
611 | secR[j],t0,t1); | |
612 | secAngleEnd[i] = t0; | |
613 | secAngleStart[j] = t1; | |
614 | if(secR[i] > 0.0 && secR[j] > 0.0) { | |
615 | if(secAngleStart[i] > secAngleEnd[i]) secAngleEnd[i] += 360.0; | |
616 | } // end if(secR[i]>0.0 && secR[j]>0.0) | |
617 | secAngleStart2[i] = secAngleStart[i]; | |
618 | secAngleEnd2[i] = secAngleEnd[i]; | |
619 | } // end for i | |
620 | secAngleEnd[ksecNRadii-2] = secAngleStart[ksecNRadii-2] + | |
621 | (secAngleEnd[ksecNRadii-5] - secAngleStart[ksecNRadii-5]); | |
622 | if (secAngleEnd[ksecNRadii-2] < 0.0) secAngleEnd[ksecNRadii-2] += 360.0; | |
623 | secAngleStart[ksecNRadii-1] = secAngleEnd[ksecNRadii-2] - 180.0; | |
624 | secAngleEnd[ksecNRadii-1] = secAngleStart[0]; | |
625 | secAngleStart2[ksecNRadii-2] = secAngleStart[ksecNRadii-2]; | |
626 | secAngleEnd2[ksecNRadii-2] = secAngleEnd[ksecNRadii-2]; | |
627 | secAngleStart2[ksecNRadii-1] = secAngleStart[ksecNRadii-1]; | |
628 | secAngleEnd2[ksecNRadii-1] = secAngleEnd[ksecNRadii-1]; | |
629 | // | |
630 | // find location of circle last rounded corner. | |
631 | i = 0; | |
632 | j = ksecNRadii - 2; | |
633 | t0 = TanD(secAngleStart[i]-90.); | |
634 | t1 = TanD(secAngleEnd[j]-90.); | |
635 | t = secY[i] - secY[j]; | |
636 | // NOTE: secR[i=0] < 0; secR[j=18] > 0; and secR[j+1=19] < 0 | |
637 | t += (-secR[i]+secR[j+1]) * SinD(secAngleStart[i]); | |
638 | t -= (secR[j]-secR[j+1]) * SinD(secAngleEnd[j]); | |
639 | t += t1 * secX[j] - t0*secX[i]; | |
640 | t += t1 * (secR[j] - secR[j+1]) * CosD(secAngleEnd[j]); | |
641 | t -= t0 * (-secR[i]+secR[j+1]) * CosD(secAngleStart[i]); | |
642 | secX[ksecNRadii-1] = t / (t1-t0); | |
643 | secY[ksecNRadii-1] = TanD(90.0+0.5*ksecAngleSide13)* | |
644 | (secX[ksecNRadii-1]-secX[0])+secY[0]; | |
645 | secX2[ksecNRadii-1] = secX[ksecNRadii-1]; | |
646 | secY2[ksecNRadii-1] = secY[ksecNRadii-1]; | |
647 | secX3[ksecNRadii-1] = secX[ksecNRadii-1]; | |
648 | secY3[ksecNRadii-1] = secY[ksecNRadii-1]; | |
d0048cec | 649 | |
54c9a3d9 | 650 | // find location of cooling tube centers |
651 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
652 | j = ksecDipIndex[i]; | |
653 | x0 = secX[j-1] + TMath::Abs(secR[j-1]) * CosD(secAngleEnd[j-1]); | |
654 | y0 = secY[j-1] + TMath::Abs(secR[j-1]) * SinD(secAngleEnd[j-1]); | |
655 | x1 = secX[j+1] + TMath::Abs(secR[j+1]) * CosD(secAngleStart[j+1]); | |
656 | y1 = secY[j+1] + TMath::Abs(secR[j+1]) * SinD(secAngleStart[j+1]); | |
657 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
658 | t = secDip2[i] / t0; | |
659 | a = x0+(x1-x0) * t; | |
660 | b = y0+(y1-y0) * t; | |
d0048cec | 661 | if(i == 0) { |
54c9a3d9 | 662 | // get location of tube center->Surface for locating |
663 | // this sector around the beam pipe. | |
664 | // This needs to be double checked, but I need my notes for that. | |
665 | // (Bjorn Nilsen) | |
666 | xAAtubeCenter0 = x0 + (x1 - x0) * t * 0.5; | |
667 | yAAtubeCenter0 = y0 + (y1 - y0) * t * 0.5; | |
668 | }// end if i==0 | |
669 | if(a + b*(a - x0) / (b - y0) > 0.0) { | |
670 | secX[j] = a + TMath::Abs(y1-y0) * 2.0 * ksecDipRadii/t0; | |
671 | secY[j] = b - TMath::Sign(2.0*ksecDipRadii,y1-y0) * (x1-x0)/t0; | |
672 | secX2[j] = a + TMath::Abs(y1-y0) * ksecTl/t0; | |
673 | secY2[j] = b - TMath::Sign(ksecTl,y1-y0) * (x1-x0) / t0; | |
d0048cec | 674 | secX3[j] = a + TMath::Abs(y1-y0) * |
54c9a3d9 | 675 | (2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0; |
676 | secY3[j] = b - TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY, | |
677 | y1-y0)*(x1-x0)/t0; | |
678 | } else { | |
679 | secX[j] = a - TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0; | |
680 | secY[j] = b + TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0; | |
681 | secX2[j] = a - TMath::Abs(y1-y0)*ksecTl/t0; | |
682 | secY2[j] = b + TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0; | |
683 | secX3[j] = a - TMath::Abs(y1-y0)*(2.0*ksecDipRadii-0.5* | |
684 | ksecCoolTubeFlatY)/t0; | |
685 | secY3[j] = b + TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY, | |
686 | y1-y0)*(x1-x0)/t0; | |
687 | } // end if(a+b*(a-x0)/(b-y0)>0.0) | |
d0048cec | 688 | |
54c9a3d9 | 689 | // Set up Start and End angles to correspond to start/end of dips. |
690 | t1 = (secDip2[i]-TMath::Abs(secR[j])) / t0; | |
691 | secAngleStart[j] =TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j], | |
692 | x0+(x1-x0)*t1-secX[j]); | |
693 | if (secAngleStart[j]<0.0) secAngleStart[j] += 360.0; | |
694 | secAngleStart2[j] = secAngleStart[j]; | |
695 | t1 = (secDip2[i]+TMath::Abs(secR[j]))/t0; | |
696 | secAngleEnd[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j], | |
697 | x0+(x1-x0)*t1-secX[j]); | |
698 | if (secAngleEnd[j]<0.0) secAngleEnd[j] += 360.0; | |
699 | secAngleEnd2[j] = secAngleEnd[j]; | |
700 | if (secAngleEnd[j]>secAngleStart[j]) secAngleEnd[j] -= 360.0; | |
701 | secR[j] = TMath::Sqrt(secR[j]*secR[j]+4.0*ksecDipRadii*ksecDipRadii); | |
702 | } // end for i | |
d0048cec | 703 | |
54c9a3d9 | 704 | // Special cases |
705 | secAngleStart2[8] -= 360.; | |
706 | secAngleStart2[11] -= 360.; | |
707 | ||
708 | SPDsectorShape(ksecNRadii, secX, secY, secR, secAngleStart, secAngleEnd, | |
709 | ksecNPointsPerRadii, m, xp, yp); | |
710 | ||
711 | // Fix up dips to be square. | |
712 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
713 | j = ksecDipIndex[i]; | |
714 | t = 0.5*ksecDipLength+ksecDipRadii; | |
715 | t0 = TMath::RadToDeg()*TMath::ATan(2.0*ksecDipRadii/t); | |
716 | t1 = secAngleEnd[j] + t0; | |
717 | t0 = secAngleStart[j] - t0; | |
718 | x0 = xp[j][1] = secX[j] + t*CosD(t0); | |
719 | y0 = yp[j][1] = secY[j] + t*SinD(t0); | |
720 | x1 = xp[j][ksecNPointsPerRadii-1] = secX[j] + t*CosD(t1); | |
721 | y1 = yp[j][ksecNPointsPerRadii-1] = secY[j] + t*SinD(t1); | |
722 | t0 = 1./((Double_t)(ksecNPointsPerRadii-2)); | |
723 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
724 | // extra points spread them out. | |
725 | t = ((Double_t)(k-1)) * t0; | |
726 | xp[j][k] = x0+(x1-x0) * t; | |
727 | yp[j][k] = y0+(y1-y0) * t; | |
728 | } // end for k | |
729 | secAngleTurbo[i] = -TMath::RadToDeg() * TMath::ATan2(y1-y0, x1-x0); | |
d0048cec | 730 | if(GetDebug(3)) { |
54c9a3d9 | 731 | AliInfo( |
732 | Form("i=%d -- angle=%f -- x0,y0=(%f, %f) -- x1,y1=(%f, %f)", | |
733 | i, secAngleTurbo[i], x0, y0, x1, y1)); | |
734 | } // end if GetDebug(3) | |
735 | } // end for i | |
736 | sA0 = new TGeoXtru(2); | |
737 | sA0->SetName("ITS SPD Carbon fiber support Sector A0"); | |
738 | sA0->DefinePolygon(m, xpp, ypp); | |
739 | sA0->DefineSection(0, -ksecDz); | |
740 | sA0->DefineSection(1, ksecDz); | |
d0048cec | 741 | |
54c9a3d9 | 742 | // store the edges of each XY segment which defines |
743 | // one of the plane zones where staves will have to be placed | |
744 | fSPDsectorX0.Set(ksecNCoolingTubeDips); | |
745 | fSPDsectorY0.Set(ksecNCoolingTubeDips); | |
746 | fSPDsectorX1.Set(ksecNCoolingTubeDips); | |
747 | fSPDsectorY1.Set(ksecNCoolingTubeDips); | |
748 | Int_t ixy0, ixy1; | |
749 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
750 | // Find index in xpp[] and ypp[] corresponding to where the | |
751 | // SPD ladders are to be attached. Order them according to | |
752 | // the ALICE numbering schema. Using array of indexes (+-1 for | |
d0048cec | 753 | // cooling tubes. For any "bend/dip/edge, there are |
54c9a3d9 | 754 | // ksecNPointsPerRadii+1 points involved. |
755 | if(i == 0) j = 1; | |
756 | else if (i == 1) j = 0; | |
757 | else j = i; | |
758 | ixy0 = (ksecDipIndex[j]-1)*(ksecNPointsPerRadii+1)+ | |
759 | (ksecNPointsPerRadii); | |
760 | ixy1 = (ksecDipIndex[j]+1) * (ksecNPointsPerRadii+1); | |
761 | fSPDsectorX0[i] = sA0->GetX(ixy0); | |
762 | fSPDsectorY0[i] = sA0->GetY(ixy0); | |
763 | fSPDsectorX1[i] = sA0->GetX(ixy1); | |
764 | fSPDsectorY1[i] = sA0->GetY(ixy1); | |
765 | } // end for i | |
d0048cec | 766 | |
54c9a3d9 | 767 | //printf("SectorA#%d ",0); |
768 | InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1],ksecCthick, | |
769 | xpp2[0],ypp2[0]); | |
770 | for(i = 1; i < m - 1; i++) { | |
771 | j = i / (ksecNPointsPerRadii+1); | |
772 | //printf("SectorA#%d ",i); | |
773 | InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1], | |
774 | ksecCthick,xpp2[i],ypp2[i]); | |
775 | } // end for i | |
776 | //printf("SectorA#%d ",m); | |
777 | InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0], | |
778 | ksecCthick,xpp2[m-1],ypp2[m-1]); | |
779 | // Fix center value of cooling tube dip and | |
780 | // find location of cooling tube centers | |
781 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
782 | j = ksecDipIndex[i]; | |
783 | x0 = xp2[j][1]; | |
784 | y0 = yp2[j][1]; | |
785 | x1 = xp2[j][ksecNPointsPerRadii-1]; | |
786 | y1 = yp2[j][ksecNPointsPerRadii-1]; | |
787 | t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)); | |
788 | t = secDip2[i]/t0; | |
789 | for(k = 2; k < ksecNPointsPerRadii - 1; k++) { | |
790 | // extra points spread them out. | |
791 | t = ((Double_t)(k-1)) * t0; | |
792 | xp2[j][k] = x0+(x1-x0) * t; | |
793 | yp2[j][k] = y0+(y1-y0) * t; | |
794 | } // end for k | |
795 | } // end for i | |
796 | sA1 = new TGeoXtru(2); | |
797 | sA1->SetName("ITS SPD Carbon fiber support Sector Air A1"); | |
798 | sA1->DefinePolygon(m, xpp2, ypp2); | |
799 | sA1->DefineSection(0, -ksecDz); | |
800 | sA1->DefineSection(1, ksecDz); | |
801 | // | |
802 | // Error in TGeoEltu. Semi-axis X must be < Semi-axis Y (?). | |
803 | sTA0 = new TGeoEltu("ITS SPD Cooling Tube TA0", 0.5 * ksecCoolTubeFlatY, | |
804 | 0.5 * ksecCoolTubeFlatX, ksecDz); | |
d0048cec | 805 | sTA1 = new TGeoEltu("ITS SPD Cooling Tube coolant TA1", |
54c9a3d9 | 806 | sTA0->GetA() - ksecCoolTubeThick, |
807 | sTA0->GetB()-ksecCoolTubeThick,ksecDz); | |
808 | SPDsectorShape(ksecNRadii,secX2,secY2,secR2,secAngleStart2,secAngleEnd2, | |
809 | ksecNPointsPerRadii, m, xp, yp); | |
810 | sB0 = new TGeoXtru(2); | |
811 | sB0->SetName("ITS SPD Carbon fiber support Sector End B0"); | |
812 | sB0->DefinePolygon(m, xpp, ypp); | |
813 | sB0->DefineSection(0, ksecDz); | |
814 | sB0->DefineSection(1, ksecDz + ksecZEndLen); | |
815 | ||
816 | //printf("SectorB#%d ",0); | |
53506676 | 817 | // Points around the most sharpened tips have to be avoided - M.S. 24 feb 09 |
818 | const Int_t nSpecialPoints = 5; | |
819 | const Int_t kSpecialPoints[nSpecialPoints] = {7, 17, 47, 62, 77}; | |
820 | Int_t i2 = 0; | |
54c9a3d9 | 821 | InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1], |
53506676 | 822 | ksecCthick2,xpp2[i2],ypp2[i2]); |
54c9a3d9 | 823 | for(i = 1; i < m - 1; i++) { |
824 | t = ksecCthick2; | |
825 | for(k = 0; k < ksecNCoolingTubeDips; k++) | |
826 | if((i/(ksecNPointsPerRadii+1))==ksecDipIndex[k]) | |
827 | if(!(ksecDipIndex[k]*(ksecNPointsPerRadii+1) == i || | |
828 | ksecDipIndex[k]*(ksecNPointsPerRadii+1) + | |
829 | ksecNPointsPerRadii == i)) | |
830 | t = ksecRCoolOut-ksecRCoolIn; | |
831 | //printf("SectorB#%d ",i); | |
53506676 | 832 | Bool_t useThisPoint = kTRUE; |
833 | for(Int_t ii = 0; ii < nSpecialPoints; ii++) | |
834 | if ( (i == kSpecialPoints[ii] - 1) || | |
835 | (i == kSpecialPoints[ii] + 1) ) useThisPoint = kFALSE; | |
836 | if (useThisPoint) { | |
837 | i2++; | |
838 | InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1],t, | |
839 | xpp2[i2],ypp2[i2]); | |
840 | } | |
54c9a3d9 | 841 | }// end for i |
842 | //printf("SectorB#%d ",m); | |
53506676 | 843 | i2++; |
54c9a3d9 | 844 | InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0], |
53506676 | 845 | ksecCthick2,xpp2[i2],ypp2[i2]); |
54c9a3d9 | 846 | sB1 = new TGeoXtru(2); |
847 | sB1->SetName("ITS SPD Carbon fiber support Sector Air End B1"); | |
53506676 | 848 | sB1->DefinePolygon(i2+1, xpp2, ypp2); |
54c9a3d9 | 849 | sB1->DefineSection(0,sB0->GetZ(0)); |
850 | sB1->DefineSection(1,sB0->GetZ(1)-ksecCthick2); | |
851 | const Double_t kspdEndHoleRadius1=5.698*fgkmm; | |
852 | const Double_t kspdEndHoleRadius2=2.336*fgkmm; | |
853 | const Double_t kspdEndHoleDisplacement=6.29*fgkmm; | |
854 | k = (m-1)/4; | |
855 | for(i=0;i<=k;i++){ | |
856 | t= ((Double_t)i)/((Double_t)(k)); | |
857 | if(!CFHolePoints(t,kspdEndHoleRadius1,kspdEndHoleRadius2, | |
858 | kspdEndHoleDisplacement,xpp2[i],ypp2[i])){ | |
859 | Warning("CarbonFiberSector","CFHolePoints failed " | |
860 | "i=%d m=%d k=%d t=%e",i,m,k,t); | |
861 | } // end if | |
862 | // simitry in each quadrant. | |
863 | xpp2[2*k-i] = -xpp2[i]; | |
864 | ypp2[2*k-i] = ypp2[i]; | |
865 | xpp2[2*k+i] = -xpp2[i]; | |
866 | ypp2[2*k+i] = -ypp2[i]; | |
867 | xpp2[4*k-i] = xpp2[i]; | |
868 | ypp2[4*k-i] = -ypp2[i]; | |
869 | }// end for i | |
870 | //xpp2[m-1] = xpp2[0]; // begining point in | |
871 | //ypp2[m-1] = ypp2[0]; // comment with end point | |
872 | sB2 = new TGeoXtru(2); | |
873 | sB2->SetName("ITS SPD Hole in Carbon fiber support End plate"); | |
874 | sB2->DefinePolygon(4*k, xpp2, ypp2); | |
875 | sB2->DefineSection(0,sB1->GetZ(1)); | |
876 | sB2->DefineSection(1,sB0->GetZ(1)); | |
877 | // SPD sector mount blocks | |
878 | const Double_t kMountBlock[3] = {0.5*(1.8-0.2)*fgkmm,0.5*22.0*fgkmm, | |
879 | 0.5*45.0*fgkmm}; | |
880 | sB3 = new TGeoBBox((Double_t*)kMountBlock); | |
881 | // SPD sector cooling tubes | |
882 | sTB0 = new TGeoTube("ITS SPD Cooling Tube End TB0", 0.0, | |
7708d5f3 | 883 | 0.5*ksecCoolTubeROuter,0.5*(sB1->GetZ(1)-sB1->GetZ(0))); |
54c9a3d9 | 884 | sTB1 = new TGeoTube("ITS SPD Cooling Tube End coolant TB0", 0.0, |
885 | sTB0->GetRmax() - ksecCoolTubeThick,sTB0->GetDz()); | |
886 | // | |
887 | if(GetDebug(3)) { | |
888 | if(medSPDcf) medSPDcf->Dump(); else AliInfo("medSPDcf = 0"); | |
889 | if(medSPDss) medSPDss->Dump(); else AliInfo("medSPDss = 0"); | |
890 | if(medSPDair) medSPDair->Dump(); else AliInfo("medSPDAir = 0"); | |
891 | if(medSPDcoolfl) medSPDcoolfl->Dump();else AliInfo("medSPDcoolfl = 0"); | |
892 | sA0->InspectShape(); | |
893 | sA1->InspectShape(); | |
894 | sB0->InspectShape(); | |
895 | sB1->InspectShape(); | |
896 | sB2->InspectShape(); | |
897 | } // end if(GetDebug(3)) | |
d0048cec | 898 | |
54c9a3d9 | 899 | // create the assembly of the support and place staves on it |
900 | TGeoVolumeAssembly *vM0 = new TGeoVolumeAssembly( | |
901 | "ITSSPDSensitiveVirtualvolumeM0"); | |
902 | StavesInSector(vM0); | |
903 | // create other volumes with some graphical settings | |
904 | TGeoVolume *vA0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorA0", | |
905 | 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", | |
912 | sA1, medSPDair); | |
913 | vA1->SetVisibility(kTRUE); | |
914 | vA1->SetLineColor(7); // light Blue | |
915 | vA1->SetLineWidth(1); | |
916 | vA1->SetFillColor(vA1->GetLineColor()); | |
917 | vA1->SetFillStyle(4090); // 90% transparent | |
918 | TGeoVolume *vTA0 = new TGeoVolume("ITSSPDCoolingTubeTA0", sTA0, medSPDss); | |
919 | vTA0->SetVisibility(kTRUE); | |
920 | vTA0->SetLineColor(15); // gray | |
921 | vTA0->SetLineWidth(1); | |
922 | vTA0->SetFillColor(vTA0->GetLineColor()); | |
923 | vTA0->SetFillStyle(4000); // 0% transparent | |
924 | TGeoVolume *vTA1 = new TGeoVolume("ITSSPDCoolingTubeFluidTA1", | |
925 | sTA1, medSPDcoolfl); | |
926 | vTA1->SetVisibility(kTRUE); | |
927 | vTA1->SetLineColor(6); // Purple | |
928 | vTA1->SetLineWidth(1); | |
929 | vTA1->SetFillColor(vTA1->GetLineColor()); | |
930 | vTA1->SetFillStyle(4000); // 0% transparent | |
931 | TGeoVolume *vB0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndB0", | |
932 | sB0, medSPDcf); | |
933 | vB0->SetVisibility(kTRUE); | |
934 | vB0->SetLineColor(1); // Black | |
935 | vB0->SetLineWidth(1); | |
936 | vB0->SetFillColor(vB0->GetLineColor()); | |
937 | vB0->SetFillStyle(4000); // 0% transparent | |
938 | TGeoVolume *vB1 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndAirB1", | |
939 | sB1, medSPDair); | |
940 | vB1->SetVisibility(kTRUE); | |
941 | vB1->SetLineColor(0); // white | |
942 | vB1->SetLineWidth(1); | |
943 | vB1->SetFillColor(vB1->GetLineColor()); | |
944 | vB1->SetFillStyle(4100); // 100% transparent | |
945 | TGeoVolume *vB2 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndAirB2", | |
946 | sB2, medSPDair); | |
947 | vB2->SetVisibility(kTRUE); | |
948 | vB2->SetLineColor(0); // white | |
949 | vB2->SetLineWidth(1); | |
950 | vB2->SetFillColor(vB2->GetLineColor()); | |
951 | vB2->SetFillStyle(4100); // 100% transparent | |
952 | TGeoVolume *vB3 = new TGeoVolume( | |
953 | "ITSSPDCarbonFiberSupportSectorMountBlockB3",sB3, medSPDcf); | |
954 | vB3->SetVisibility(kTRUE); | |
955 | vB3->SetLineColor(1); // Black | |
956 | vB3->SetLineWidth(1); | |
957 | vB3->SetFillColor(vB3->GetLineColor()); | |
958 | vB3->SetFillStyle(4000); // 0% transparent | |
959 | TGeoVolume *vTB0 = new TGeoVolume("ITSSPDCoolingTubeEndTB0",sTB0,medSPDss); | |
960 | vTB0->SetVisibility(kTRUE); | |
961 | vTB0->SetLineColor(15); // gray | |
962 | vTB0->SetLineWidth(1); | |
963 | vTB0->SetFillColor(vTB0->GetLineColor()); | |
964 | vTB0->SetFillStyle(4000); // 0% transparent | |
965 | TGeoVolume *vTB1 = new TGeoVolume("ITSSPDCoolingTubeEndFluidTB1",sTB1, | |
966 | medSPDcoolfl); | |
967 | vTB1->SetVisibility(kTRUE); | |
968 | vTB1->SetLineColor(7); // light blue | |
969 | vTB1->SetLineWidth(1); | |
970 | vTB1->SetFillColor(vTB1->GetLineColor()); | |
971 | vTB1->SetFillStyle(4050); // 0% transparent | |
d0048cec | 972 | |
54c9a3d9 | 973 | // add volumes to mother container passed as argument of this method |
974 | moth->AddNode(vM0,1,0); // Add virtual volume to mother | |
975 | vA0->AddNode(vA1,1,0); // Put air inside carbon fiber. | |
976 | vB0->AddNode(vB1,1,0); // Put air inside carbon fiber ends. | |
977 | vB0->AddNode(vB2,1,0); // Put air wholes inside carbon fiber ends | |
978 | vTA0->AddNode(vTA1,1,0); // Put cooling liquid indide tube middel. | |
979 | vTB0->AddNode(vTB1,1,0); // Put cooling liquid inside tube end. | |
980 | Double_t tubeEndLocal[3]={0.0,0.0,sTA0->GetDz()}; | |
981 | for(i = 0; i < ksecNCoolingTubeDips; i++) { | |
982 | x0 = secX3[ksecDipIndex[i]]; | |
983 | y0 = secY3[ksecDipIndex[i]]; | |
984 | t = 90.0 - secAngleTurbo[i]; | |
985 | trans = new TGeoTranslation("",x0,y0,0.5*(sB1->GetZ(0)+sB1->GetZ(1))); | |
986 | vB1->AddNode(vTB0, i+1, trans); | |
987 | // Find location of tube ends for later use. | |
988 | trans->LocalToMaster(tubeEndLocal,fTubeEndSector[0][0][i]); | |
989 | rot = new TGeoRotation("", 0.0, 0.0, t); | |
990 | rotrans = new TGeoCombiTrans("", x0, y0, 0.0, rot); | |
991 | vM0->AddNode(vTA0, i+1, rotrans); | |
992 | } // end for i | |
993 | vM0->AddNode(vA0, 1, 0); | |
994 | vM0->AddNode(vB0, 1, 0); | |
995 | // Reflection. | |
996 | rot = new TGeoRotation("", 90., 0., 90., 90., 180., 0.); | |
997 | vM0->AddNode(vB0,2,rot); | |
998 | // Find location of tube ends for later use. | |
999 | for(i=0;i<ksecNCoolingTubeDips;i++) rot->LocalToMaster( | |
1000 | fTubeEndSector[0][0][i],fTubeEndSector[0][1][i]); | |
1001 | // left side | |
1002 | t = -TMath::RadToDeg()*TMath::ATan2( | |
1003 | sB0->GetX(0)-sB0->GetX(sB0->GetNvert()-1), | |
1004 | sB0->GetY(0)-sB0->GetY(sB0->GetNvert()-1)); | |
1005 | rot = new TGeoRotation("",t,0.0,0.0);// z axis rotation | |
1006 | x0 = 0.5*(sB0->GetX(0)+sB0->GetX(sB0->GetNvert()-1))+ | |
1007 | sB3->GetDX()*TMath::Cos(t*TMath::DegToRad()); | |
1008 | y0 = 0.5*(sB0->GetY(0)+sB0->GetY(sB0->GetNvert()-1))+ | |
1009 | sB3->GetDX()*TMath::Sin(t*TMath::DegToRad()); | |
1010 | z0 = sB0->GetZ(0)+sB3->GetDZ(); | |
1011 | rotrans = new TGeoCombiTrans("",x0,y0,z0,rot); | |
1012 | vM0->AddNode(vB3,1,rotrans); // Put Mounting bracket on sector | |
1013 | rotrans = new TGeoCombiTrans("",x0,y0,-z0,rot); | |
1014 | vM0->AddNode(vB3,2,rotrans); // Put Mounting bracket on sector | |
54c9a3d9 | 1015 | t *= -1.0; |
1016 | rot = new TGeoRotation("",t,0.0,0.0); // z axis rotation | |
c890eba4 | 1017 | |
54c9a3d9 | 1018 | x0 = -0.5*(sB0->GetX(0)+sB0->GetX(sB0->GetNvert()-1))-3.5* |
1019 | sB3->GetDX()*TMath::Cos(t*TMath::DegToRad()); | |
1020 | y0 = 0.5*(sB0->GetY(0)+sB0->GetY(sB0->GetNvert()-1))-3.5* | |
1021 | sB3->GetDX()*TMath::Sin(t*TMath::DegToRad()); | |
22726349 | 1022 | rotrans = new TGeoCombiTrans("",1.01*x0,y0,z0,rot); |
54c9a3d9 | 1023 | vM0->AddNode(vB3,3,rotrans); // Put Mounting bracket on sector |
22726349 | 1024 | rotrans = new TGeoCombiTrans("",1.01*x0,y0,-z0,rot); |
54c9a3d9 | 1025 | vM0->AddNode(vB3,4,rotrans); // Put Mounting bracket on sector |
1026 | if(GetDebug(3)){ | |
1027 | vM0->PrintNodes(); | |
1028 | vA0->PrintNodes(); | |
1029 | vA1->PrintNodes(); | |
1030 | vB0->PrintNodes(); | |
1031 | vB1->PrintNodes(); | |
1032 | vB2->PrintNodes(); | |
1033 | vB3->PrintNodes(); | |
1034 | vTA0->PrintNodes(); | |
1035 | vTA1->PrintNodes(); | |
1036 | vTB0->PrintNodes(); | |
1037 | vTB1->PrintNodes(); | |
1038 | } // end if(GetDebug(3)) | |
bc3498f4 | 1039 | } |
54c9a3d9 | 1040 | //______________________________________________________________________ |
1041 | Bool_t AliITSv11GeometrySPD::CFHolePoints(Double_t s,Double_t r1, | |
1042 | Double_t r2,Double_t l,Double_t &x,Double_t &y) const | |
bc3498f4 | 1043 | { |
54c9a3d9 | 1044 | // |
1045 | // Step along arck a distancs ds and compute boundry of | |
1046 | // two holes (radius r1 and r2) a distance l apart (along | |
1047 | // x-axis). | |
1048 | // Inputs: | |
1049 | // Double_t s fractional Distance along arcs [0-1] | |
1050 | // where 0-> alpha=beta=0, 1-> alpha=90 degrees. | |
1051 | // Double_t r1 radius at center circle | |
1052 | // Double_t r2 radius of displaced circle | |
1053 | // Double_t l Distance displaced circle is displaces (x-axis) | |
1054 | // Output: | |
1055 | // Double_t x x coordinate along double circle. | |
1056 | // Double_t y y coordinate along double circle. | |
1057 | // Return: | |
1058 | // logical, kFALSE if an error | |
1059 | // | |
1060 | Double_t alpha,beta; | |
1061 | Double_t ac,bc,scb,sca,t,alphac,betac; // at intersection of two circles | |
1062 | ||
1063 | x=y=0.0; | |
1064 | ac = r1*r1-l*l-r2*r2; | |
1065 | bc = 2.*l*r2; | |
1066 | if(bc==0.0) {printf("bc=0 l=%e r2=%e\n",l,r2);return kFALSE;} | |
1067 | betac = TMath::ACos(ac/bc); | |
60e55aee | 1068 | alphac = TMath::Sqrt((bc-ac)*(bc+ac))/(2.*l*r1); |
54c9a3d9 | 1069 | scb = r2*betac; |
1070 | sca = r1*alphac; | |
1071 | t = r1*0.5*TMath::Pi() - sca + scb; | |
1072 | if(s<= scb/t){ | |
1073 | beta = s*t/r2; | |
1074 | x = r2*TMath::Cos(beta) + l; | |
1075 | y = r2*TMath::Sin(beta); | |
1076 | //printf("betac=%e scb=%e t=%e s=%e beta=%e x=%e y=%e\n", | |
1077 | // betac,scb,t,s,beta,x,y); | |
1078 | return kTRUE; | |
1079 | }else{ | |
1080 | beta = (s*t-scb+sca)/(r1*0.5*TMath::Pi()); | |
1081 | alpha = beta*0.5*TMath::Pi(); | |
1082 | x = r1*TMath::Cos(alpha); | |
1083 | y = r1*TMath::Sin(alpha); | |
1084 | //printf("alphac=%e sca=%e t=%e s=%e beta=%e alpha=%e x=%e y=%e\n", | |
1085 | // alphac,sca,t,s,beta,alpha,x,y); | |
1086 | return kTRUE; | |
1087 | } // end if | |
1088 | return kFALSE; | |
bc3498f4 | 1089 | } |
54c9a3d9 | 1090 | //______________________________________________________________________ |
1091 | Bool_t AliITSv11GeometrySPD::GetSectorMountingPoints(Int_t index,Double_t &x0, | |
1092 | Double_t &y0, Double_t &x1, Double_t &y1) const | |
bc3498f4 | 1093 | { |
54c9a3d9 | 1094 | // |
1095 | // Returns the edges of the straight borders in the SPD sector shape, | |
1096 | // which are used to mount staves on them. | |
1097 | // Coordinate system is that of the carbon fiber sector volume. | |
1098 | // --- | |
1099 | // Index numbering is as follows: | |
1100 | // /5 | |
1101 | // /\/4 | |
1102 | // 1\ \/3 | |
1103 | // 0|___\/2 | |
1104 | // --- | |
1105 | // Arguments [the ones passed by reference contain output values]: | |
1106 | // Int_t index --> location index according to above scheme [0-5] | |
1107 | // Double_t &x0 --> (by ref) x0 location or the ladder sector [cm] | |
1108 | // Double_t &y0 --> (by ref) y0 location of the ladder sector [cm] | |
1109 | // Double_t &x1 --> (by ref) x1 location or the ladder sector [cm] | |
1110 | // Double_t &y1 --> (by ref) y1 location of the ladder sector [cm] | |
1111 | // TGeoManager *mgr --> The TGeo builder | |
1112 | // --- | |
1113 | // The location is described by a line going from (x0, y0) to (x1, y1) | |
1114 | // --- | |
1115 | // Returns kTRUE if no problems encountered. | |
1116 | // Returns kFALSE if a problem was encountered (e.g.: shape not found). | |
d0048cec | 1117 | // |
54c9a3d9 | 1118 | Int_t isize = fSPDsectorX0.GetSize(); |
1119 | ||
1120 | x0 = x1 = y0 = y1 = 0.0; | |
1121 | if(index < 0 || index > isize) { | |
c890eba4 | 1122 | AliError(Form("index = %d: allowed 0 --> %d", index, isize)); |
1123 | return kFALSE; | |
54c9a3d9 | 1124 | } // end if(index<0||index>isize) |
1125 | x0 = fSPDsectorX0[index]; | |
1126 | x1 = fSPDsectorX1[index]; | |
1127 | y0 = fSPDsectorY0[index]; | |
1128 | y1 = fSPDsectorY1[index]; | |
1129 | return kTRUE; | |
bc3498f4 | 1130 | } |
54c9a3d9 | 1131 | //______________________________________________________________________ |
d0048cec | 1132 | void AliITSv11GeometrySPD::SPDsectorShape(Int_t n,const Double_t *xc, |
54c9a3d9 | 1133 | const Double_t *yc, const Double_t *r, |
d0048cec | 1134 | const Double_t *ths, const Double_t *the, |
54c9a3d9 | 1135 | Int_t npr, Int_t &m, Double_t **xp, Double_t **yp) const |
bc3498f4 | 1136 | { |
54c9a3d9 | 1137 | // |
1138 | // Code to compute the points that make up the shape of the SPD | |
1139 | // Carbon fiber support sections | |
1140 | // Inputs: | |
1141 | // Int_t n size of arrays xc,yc, and r. | |
1142 | // Double_t *xc array of x values for radii centers. | |
1143 | // Double_t *yc array of y values for radii centers. | |
1144 | // Double_t *r array of signed radii values. | |
1145 | // Double_t *ths array of starting angles [degrees]. | |
1146 | // Double_t *the array of ending angles [degrees]. | |
1147 | // Int_t npr the number of lines segments to aproximate the arc. | |
1148 | // Outputs (arguments passed by reference): | |
d0048cec | 1149 | // Int_t m the number of enetries in the arrays *xp[npr+1] |
54c9a3d9 | 1150 | // and *yp[npr+1]. |
1151 | // Double_t **xp array of x coordinate values of the line segments | |
1152 | // which make up the SPD support sector shape. | |
1153 | // Double_t **yp array of y coordinate values of the line segments | |
1154 | // which make up the SPD support sector shape. | |
1155 | // | |
1156 | Int_t i, k; | |
1157 | Double_t t, t0, t1; | |
1158 | ||
1159 | m = n*(npr + 1); | |
1160 | if(GetDebug(2)) { | |
1161 | cout <<" X \t Y \t R \t S \t E" << m << endl; | |
1162 | for(i = 0; i < n; i++) { | |
1163 | cout << "{" << xc[i] << ", "; | |
1164 | cout << yc[i] << ", "; | |
1165 | cout << r[i] << ", "; | |
1166 | cout << ths[i] << ", "; | |
1167 | cout << the[i] << "}, " << endl; | |
1168 | } // end for i | |
1169 | } // end if(GetDebug(2)) | |
1170 | if (GetDebug(3)) cout << "Double_t sA0 = [" << n*(npr+1)+1<<"]["; | |
1171 | if (GetDebug(4)) cout << "3] {"; | |
1172 | else if(GetDebug(3)) cout <<"2] {"; | |
1173 | t0 = (Double_t)npr; | |
1174 | for(i = 0; i < n; i++) { | |
1175 | t1 = (the[i] - ths[i]) / t0; | |
1176 | if(GetDebug(5)) cout << "t1 = " << t1 << endl; | |
1177 | for(k = 0; k <= npr; k++) { | |
1178 | t = ths[i] + ((Double_t)k) * t1; | |
1179 | xp[i][k] = TMath::Abs(r[i]) * CosD(t) + xc[i]; | |
1180 | yp[i][k] = TMath::Abs(r[i]) * SinD(t) + yc[i]; | |
1181 | if(GetDebug(3)) { | |
1182 | cout << "{" << xp[i][k] << "," << yp[i][k]; | |
1183 | if (GetDebug(4)) cout << "," << t; | |
1184 | cout << "},"; | |
1185 | } // end if GetDebug | |
1186 | } // end for k | |
1187 | if(GetDebug(3)) cout << endl; | |
1188 | } // end of i | |
1189 | if(GetDebug(3)) cout << "{" << xp[0][0] << ", " << yp[0][0]; | |
1190 | if(GetDebug(4)) cout << "," << ths[0]; | |
1191 | if(GetDebug(3)) cout << "}}" << endl; | |
592651e2 | 1192 | } |
22726349 | 1193 | |
54c9a3d9 | 1194 | //______________________________________________________________________ |
1195 | TGeoVolume* AliITSv11GeometrySPD::CreateLadder(Int_t layer,TArrayD &sizes, | |
1196 | TGeoManager *mgr) const | |
bc3498f4 | 1197 | { |
54c9a3d9 | 1198 | // |
1199 | // Creates the "ladder" = silicon sensor + 5 chips. | |
1200 | // Returns a TGeoVolume containing the following components: | |
1201 | // - the sensor (TGeoBBox), whose name depends on the layer | |
1202 | // - 5 identical chips (TGeoBBox) | |
1203 | // - a guard ring around the sensor (subtraction of TGeoBBoxes), | |
1204 | // which is separated from the rest of sensor because it is not | |
1205 | // a sensitive part | |
1206 | // - bump bondings (TGeoBBox stripes for the whole width of the | |
1207 | // sensor, one per column). | |
1208 | // --- | |
1209 | // Arguments: | |
1210 | // 1 - the owner layer (MUST be 1 or 2 or a fatal error is raised) | |
1211 | // 2 - a TArrayD passed by reference, which will contain relevant | |
1212 | // dimensions related to this object: | |
1213 | // size[0] = 'thickness' (the smallest dimension) | |
1214 | // size[1] = 'length' (the direction along the ALICE Z axis) | |
d0048cec | 1215 | // size[2] = 'width' (extension in the direction perp. to the |
54c9a3d9 | 1216 | // above ones) |
1217 | // 3 - the used TGeoManager | |
1218 | ||
d0048cec | 1219 | // ** CRITICAL CHECK ** |
54c9a3d9 | 1220 | // layer number can be ONLY 1 or 2 |
1221 | if (layer != 1 && layer != 2) AliFatal("Layer number MUST be 1 or 2"); | |
1222 | ||
1223 | // ** MEDIA ** | |
1224 | TGeoMedium *medAir = GetMedium("AIR$",mgr); | |
1225 | TGeoMedium *medSPDSiChip = GetMedium("SPD SI CHIP$",mgr); // SPD SI CHIP | |
1226 | TGeoMedium *medSi = GetMedium("SI$",mgr); | |
1227 | TGeoMedium *medBumpBond = GetMedium("COPPER$",mgr); // ??? BumpBond | |
d0048cec | 1228 | |
1229 | // ** SIZES ** | |
54c9a3d9 | 1230 | Double_t chipThickness = fgkmm * 0.150; |
1231 | Double_t chipWidth = fgkmm * 15.950; | |
1232 | Double_t chipLength = fgkmm * 13.600; | |
1233 | Double_t chipSpacing = fgkmm * 0.400; // separation of chips along Z | |
1234 | Double_t sensThickness = fgkmm * 0.200; | |
1235 | Double_t sensLength = fgkmm * 69.600; | |
1236 | Double_t sensWidth = fgkmm * 12.800; | |
d0048cec | 1237 | Double_t guardRingWidth = fgkmm * 0.560; // a border of this thickness |
54c9a3d9 | 1238 | // all around the sensor |
1239 | Double_t bbLength = fgkmm * 0.042; | |
1240 | Double_t bbWidth = sensWidth; | |
1241 | Double_t bbThickness = fgkmm * 0.012; | |
1242 | Double_t bbPos = 0.080; // Z position w.r. to left pixel edge | |
1243 | // compute the size of the container volume which | |
1244 | // will also be returned in the referenced TArrayD; | |
1245 | // for readability, they are linked by reference to a more meaningful name | |
1246 | sizes.Set(3); | |
1247 | Double_t &thickness = sizes[0]; | |
1248 | Double_t &length = sizes[1]; | |
1249 | Double_t &width = sizes[2]; | |
1250 | // the container is a box which exactly enclose all the stuff; | |
1251 | width = chipWidth; | |
1252 | length = sensLength + 2.0*guardRingWidth; | |
1253 | thickness = sensThickness + chipThickness + bbThickness; | |
1254 | ||
1255 | // ** VOLUMES ** | |
1256 | // While creating this volume, since it is a sensitive volume, | |
1257 | // we must respect some standard criteria for its local reference frame. | |
1258 | // Local X must correspond to x coordinate of the sensitive volume: | |
d0048cec | 1259 | // this means that we are going to create the container with a local |
54c9a3d9 | 1260 | // reference system that is **not** in the middle of the box. |
d0048cec | 1261 | // This is accomplished by calling the shape constructor with an |
54c9a3d9 | 1262 | // additional option ('originShift'): |
1263 | Double_t xSens = 0.5 * (width - sensWidth - 2.0*guardRingWidth); | |
1264 | Double_t originShift[3] = {-xSens, 0., 0.}; | |
1265 | TGeoBBox *shapeContainer = new TGeoBBox(0.5*width,0.5*thickness, | |
1266 | 0.5*length,originShift); | |
1267 | // then the volume is made of air, and using this shape | |
1268 | TGeoVolume *container = new TGeoVolume(Form("ITSSPDlay%d-Ladder",layer), | |
1269 | shapeContainer, medAir); | |
1270 | // the chip is a common box | |
1271 | TGeoVolume *volChip = mgr->MakeBox("ITSSPDchip",medSPDSiChip, | |
1272 | 0.5*chipWidth,0.5*chipThickness,0.5*chipLength); | |
1273 | // the sensor as well | |
1274 | TGeoVolume *volSens = mgr->MakeBox(GetSenstiveVolumeName(layer),medSi, | |
1275 | 0.5*sensWidth,0.5*sensThickness,0.5*sensLength); | |
d0048cec | 1276 | // the guard ring shape is the subtraction of two boxes with the |
54c9a3d9 | 1277 | // same center. |
1278 | TGeoBBox *shIn = new TGeoBBox(0.5*sensWidth,sensThickness,0.5*sensLength); | |
1279 | TGeoBBox *shOut = new TGeoBBox(0.5*sensWidth+guardRingWidth, | |
1280 | 0.5*sensThickness,0.5*sensLength+guardRingWidth); | |
1281 | shIn->SetName("ITSSPDinnerBox"); | |
1282 | shOut->SetName("ITSSPDouterBox"); | |
1283 | TGeoCompositeShape *shBorder = new TGeoCompositeShape( | |
1284 | "ITSSPDgaurdRingBorder",Form("%s-%s",shOut->GetName(),shIn->GetName())); | |
1285 | TGeoVolume *volBorder = new TGeoVolume("ITSSPDgaurdRing",shBorder,medSi); | |
1286 | // bump bonds for one whole column | |
1287 | TGeoVolume *volBB = mgr->MakeBox("ITSSPDbb",medBumpBond,0.5*bbWidth, | |
1288 | 0.5*bbThickness,0.5*bbLength); | |
1289 | // set colors of all objects for visualization | |
1290 | volSens->SetLineColor(kYellow + 1); | |
1291 | volChip->SetLineColor(kGreen); | |
1292 | volBorder->SetLineColor(kYellow + 3); | |
1293 | volBB->SetLineColor(kGray); | |
1294 | ||
1295 | // ** MOVEMENTS ** | |
1296 | // sensor is translated along thickness (X) and width (Y) | |
1297 | Double_t ySens = 0.5 * (thickness - sensThickness); | |
1298 | Double_t zSens = 0.0; | |
d0048cec | 1299 | // we want that the x of the ladder is the same as the one of |
54c9a3d9 | 1300 | // its sensitive volume |
1301 | TGeoTranslation *trSens = new TGeoTranslation(0.0, ySens, zSens); | |
1302 | // bump bonds are translated along all axes: | |
1303 | // keep same Y used for sensors, but change the Z | |
1304 | TGeoTranslation *trBB[160]; | |
1305 | Double_t x = 0.0; | |
1306 | Double_t y = 0.5 * (thickness - bbThickness) - sensThickness; | |
1307 | Double_t z = -0.5 * sensLength + guardRingWidth + fgkmm*0.425 - bbPos; | |
1308 | Int_t i; | |
1309 | for (i = 0; i < 160; i++) { | |
1310 | trBB[i] = new TGeoTranslation(x, y, z); | |
1311 | switch(i) { | |
1312 | case 31:case 63:case 95:case 127: | |
1313 | z += fgkmm * 0.625 + fgkmm * 0.2; | |
1314 | break; | |
1315 | default: | |
1316 | z += fgkmm * 0.425; | |
1317 | } // end switch | |
1318 | } // end for i | |
1319 | // the chips are translated along the length (Z) and thickness (X) | |
1320 | TGeoTranslation *trChip[5] = {0, 0, 0, 0, 0}; | |
1321 | x = -xSens; | |
1322 | y = 0.5 * (chipThickness - thickness); | |
1323 | z = 0.0; | |
1324 | for (i = 0; i < 5; i++) { | |
d0048cec | 1325 | z = -0.5*length + guardRingWidth |
54c9a3d9 | 1326 | + (Double_t)i*chipSpacing + ((Double_t)(i) + 0.5)*chipLength; |
1327 | trChip[i] = new TGeoTranslation(x, y, z); | |
1328 | } // end ofr i | |
d0048cec | 1329 | |
54c9a3d9 | 1330 | // add nodes to container |
1331 | container->AddNode(volSens, 1, trSens); | |
1332 | container->AddNode(volBorder, 1, trSens); | |
1333 | for (i = 0; i < 160; i++) container->AddNode(volBB,i+1,trBB[i]); | |
1334 | for (i = 0; i < 5; i++) container->AddNode(volChip,i+3,trChip[i]); | |
1335 | // return the container | |
1336 | return container; | |
592651e2 | 1337 | } |
22726349 | 1338 | |
7855ea93 | 1339 | //______________________________________________________________________ |
54c9a3d9 | 1340 | TGeoVolume* AliITSv11GeometrySPD::CreateClip(TArrayD &sizes,Bool_t isDummy, |
1341 | TGeoManager *mgr) const | |
1342 | { | |
1343 | // | |
1344 | // Creates the carbon fiber clips which are added to the central ladders. | |
1345 | // They have a complicated shape which is approximated by a TGeoXtru | |
1346 | // Implementation of a single clip over an half-stave. | |
1347 | // It has a complicated shape which is approximated to a section like this: | |
d0048cec | 1348 | // |
54c9a3d9 | 1349 | // 6 |
1350 | // /\ . | |
1351 | // 7 //\\ 5 | |
1352 | // / 1\\___________________4 | |
1353 | // 0 \___________________ | |
1354 | // 2 3 | |
d0048cec | 1355 | // with a finite thickness for all the shape |
54c9a3d9 | 1356 | // Its local reference frame is such that point A corresponds to origin. |
d0048cec | 1357 | // |
54c9a3d9 | 1358 | Double_t fullLength = fgkmm * 12.6; // = x4 - x0 |
1359 | Double_t flatLength = fgkmm * 5.4; // = x4 - x3 | |
1360 | Double_t inclLongLength = fgkmm * 5.0; // = 5-6 | |
1361 | Double_t inclShortLength = fgkmm * 2.0; // = 6-7 | |
1362 | Double_t fullHeight = fgkmm * 2.8; // = y6 - y3 | |
3ffa185f | 1363 | Double_t thickness = fgkmm * 0.18; // thickness |
54c9a3d9 | 1364 | Double_t totalLength = fgkmm * 52.0; // total length in Z |
d0048cec | 1365 | Double_t holeSize = fgkmm * 5.0; // dimension of cubic |
54c9a3d9 | 1366 | // hole inserted for pt1000 |
1367 | Double_t angle1 = 27.0; // supplementary of angle DCB | |
1368 | Double_t angle2; // angle DCB | |
1369 | Double_t angle3; // angle of GH with vertical | |
d0048cec | 1370 | |
54c9a3d9 | 1371 | angle2 = 0.5 * (180.0 - angle1); |
d0048cec | 1372 | angle3 = 90.0 - TMath::ACos(fullLength - flatLength - |
1373 | inclLongLength*TMath::Cos(angle1)) * | |
54c9a3d9 | 1374 | TMath::RadToDeg(); |
1375 | angle1 *= TMath::DegToRad(); | |
1376 | angle2 *= TMath::DegToRad(); | |
1377 | angle3 *= TMath::DegToRad(); | |
1378 | ||
1379 | Double_t x[8], y[8]; | |
d0048cec | 1380 | |
54c9a3d9 | 1381 | x[0] = 0.0; |
1382 | x[1] = x[0] + fullLength - flatLength - inclLongLength*TMath::Cos(angle1); | |
1383 | x[2] = x[0] + fullLength - flatLength; | |
1384 | x[3] = x[0] + fullLength; | |
1385 | x[4] = x[3]; | |
1386 | x[5] = x[4] - flatLength + thickness * TMath::Cos(angle2); | |
1387 | x[6] = x[1]; | |
1388 | x[7] = x[0]; | |
d0048cec | 1389 | |
54c9a3d9 | 1390 | y[0] = 0.0; |
1391 | y[1] = y[0] + inclShortLength * TMath::Cos(angle3); | |
1392 | y[2] = y[1] - inclLongLength * TMath::Sin(angle1); | |
1393 | y[3] = y[2]; | |
1394 | y[4] = y[3] + thickness; | |
1395 | y[5] = y[4]; | |
1396 | y[6] = y[1] + thickness; | |
1397 | y[7] = y[0] + thickness; | |
d0048cec | 1398 | |
54c9a3d9 | 1399 | sizes.Set(7); |
1400 | sizes[0] = totalLength; | |
1401 | sizes[1] = fullHeight; | |
1402 | sizes[2] = y[2]; | |
1403 | sizes[3] = y[6]; | |
1404 | sizes[4] = x[0]; | |
1405 | sizes[5] = x[3]; | |
1406 | sizes[6] = x[2]; | |
1407 | ||
1408 | if(isDummy){// use this argument when on ewant just the | |
1409 | // positions without create any volume | |
1410 | return NULL; | |
1411 | } // end if isDummy | |
1412 | ||
1413 | TGeoXtru *shClip = new TGeoXtru(2); | |
1414 | shClip->SetName("ITSSPDshclip"); | |
1415 | shClip->DefinePolygon(8, x, y); | |
1416 | shClip->DefineSection(0, -0.5*totalLength, 0., 0., 1.0); | |
1417 | shClip->DefineSection(1, 0.5*totalLength, 0., 0., 1.0); | |
d0048cec | 1418 | |
54c9a3d9 | 1419 | TGeoBBox *shHole = new TGeoBBox("ITSSPDSHClipHole",0.5*holeSize, |
1420 | 0.5*holeSize,0.5*holeSize); | |
1421 | TGeoTranslation *tr1 = new TGeoTranslation("ITSSPDTRClipHole1",x[2],0.0, | |
1422 | fgkmm*14.); | |
1423 | TGeoTranslation *tr2 = new TGeoTranslation("ITSSPDTRClipHole2",x[2],0.0, | |
1424 | 0.0); | |
1425 | TGeoTranslation *tr3 = new TGeoTranslation("ITSSPDTRClipHole3",x[2],0.0, | |
1426 | -fgkmm*14.); | |
1427 | tr1->RegisterYourself(); | |
1428 | tr2->RegisterYourself(); | |
1429 | tr3->RegisterYourself(); | |
1430 | ||
1431 | //TString strExpr("ITSSPDshclip-("); | |
1432 | TString strExpr(shClip->GetName()); | |
1433 | strExpr.Append("-("); | |
1434 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr1->GetName())); | |
1435 | strExpr.Append(Form("%s:%s+", shHole->GetName(), tr2->GetName())); | |
1436 | strExpr.Append(Form("%s:%s)", shHole->GetName(), tr3->GetName())); | |
1437 | TGeoCompositeShape *shClipHole = new TGeoCompositeShape( | |
1438 | "ITSSPDSHClipHoles",strExpr.Data()); | |
1439 | ||
1440 | TGeoMedium *mat = GetMedium("SPD C (M55J)$", mgr); | |
1441 | TGeoVolume *vClip = new TGeoVolume("ITSSPDclip", shClipHole, mat); | |
1442 | vClip->SetLineColor(kGray + 2); | |
1443 | return vClip; | |
45c52bb2 | 1444 | } |
1445 | ||
1446 | //______________________________________________________________________ | |
1447 | TGeoVolume* AliITSv11GeometrySPD::CreatePatchPanel(TArrayD &sizes, | |
1448 | TGeoManager *mgr) const | |
1449 | { | |
1450 | // | |
1451 | // Creates the patch panel approximated with a "L"-shaped TGeoXtru | |
1452 | // with a finite thickness for all the shape | |
1453 | // Its local reference frame is such that point A corresponds to origin. | |
1454 | // | |
1455 | Double_t hLength = fgkmm * 50.0; // horizontal length | |
1456 | Double_t vLength = fgkmm * 50.0; // vertical length | |
c890eba4 | 1457 | Double_t angle = 88.3; // angle between hor and vert |
45c52bb2 | 1458 | Double_t thickness = fgkmm * 4.0; // thickness |
1459 | Double_t width = fgkmm * 100.0; // width looking from cone | |
1460 | ||
1461 | Double_t x[7], y[7]; | |
1462 | ||
1463 | y[0] = 0.0; | |
1464 | y[1] = y[0] + hLength; | |
1465 | y[2] = y[1]; | |
1466 | y[3] = y[0] + thickness; | |
1467 | y[4] = y[3] + vLength * TMath::Cos(angle*TMath::DegToRad()); | |
1468 | y[5] = y[4] - thickness / TMath::Sin(angle*TMath::DegToRad()); | |
1469 | y[6] = y[0]; | |
1470 | ||
1471 | x[0] = 0.0; | |
1472 | x[1] = x[0]; | |
1473 | x[2] = x[1] + thickness; | |
1474 | x[3] = x[2]; | |
1475 | x[4] = x[3] + vLength * TMath::Sin(angle*TMath::DegToRad()); | |
1476 | x[5] = x[4]; | |
1477 | x[6] = x[0] + thickness; | |
1478 | ||
1479 | sizes.Set(3); | |
1480 | sizes[0] = hLength; | |
1481 | sizes[1] = vLength; | |
1482 | sizes[2] = thickness; | |
1483 | ||
1484 | TGeoXtru *shPatch = new TGeoXtru(2); | |
1485 | shPatch->SetName("ITSSPDpatchShape1"); | |
1486 | shPatch->DefinePolygon(7, x, y); | |
1487 | shPatch->DefineSection(0, -0.5*width, 0., 0., 1.0); | |
1488 | shPatch->DefineSection(1, 0.5*width, 0., 0., 1.0); | |
1489 | ||
1490 | /* | |
1491 | Double_t subThickness = 10.0 * fgkmm; | |
1492 | Double_t subWidth = 55.0 * fgkmm; | |
1493 | new TGeoBBox("ITSSPDpatchShape2", 0.5*subThickness, 60.0 * fgkmm, 0.5*subWidth); | |
1494 | TGeoRotation *rotSub = new TGeoRotation(*gGeoIdentity); | |
1495 | rotSub->SetName("shPatchSubRot"); | |
1496 | rotSub->RotateZ(50.0); | |
1497 | rotSub->RegisterYourself(); | |
1498 | TGeoCombiTrans *trSub = new TGeoCombiTrans(0.26*hLength, 0.26*vLength, 0.0, rotSub); | |
1499 | trSub->SetName("shPatchSubTr"); | |
1500 | trSub->RegisterYourself(); | |
1501 | ||
1502 | TGeoCompositeShape *shPatchFinal = new TGeoCompositeShape("ITSSPDpatchShape1-(ITSSPDpatchShape2:shPatchSubTr)"); | |
1503 | */ | |
1504 | ||
1505 | TGeoMedium *mat = GetMedium("AL$", mgr); | |
1506 | //TGeoVolume *vPatch = new TGeoVolume("ITSSPDpatchPanel", shPatchFinal, mat); | |
1507 | TGeoVolume *vPatch = new TGeoVolume("ITSSPDpatchPanel", shPatch, mat); | |
1508 | vPatch->SetLineColor(kAzure); | |
1509 | ||
1510 | return vPatch; | |
1511 | } | |
1512 | ||
c890eba4 | 1513 | //___________________________________________________________________ |
7855ea93 | 1514 | TGeoCompositeShape* AliITSv11GeometrySPD::CreateGroundingFoilShape |
54c9a3d9 | 1515 | (Int_t itype,Double_t &length,Double_t &width, |
1516 | Double_t thickness,TArrayD &sizes) | |
bc3498f4 | 1517 | { |
54c9a3d9 | 1518 | // |
d0048cec | 1519 | // Creates the typical composite shape of the grounding foil: |
1520 | // | |
54c9a3d9 | 1521 | // +---------------------------------------------------------+ |
1522 | // | 5 6 9 | | |
1523 | // | +-----------+ +------------+ 10 | |
1524 | // | O | | | | |
1525 | // | 3 /-----+ 4 +------+ | |
1526 | // | 1 / 7 8 | |
1527 | // | /----------/ | |
1528 | // +-----/ 2 + | |
1529 | // 0 | |
1530 | // Z + 11 | |
1531 | // | |
d0048cec | 1532 | // This shape is used 4 times: two layers of glue, one in kapton |
1533 | // and one in aluminum, taking into account that the aliminum | |
54c9a3d9 | 1534 | // layer has small differences in the size of some parts. |
1535 | // --- | |
d0048cec | 1536 | // In order to overcome problems apparently due to a large number |
1537 | // of points, the shape creation is done according the following | |
54c9a3d9 | 1538 | // steps: |
d0048cec | 1539 | // 1) a TGeoBBox is created with a size right enough to contain |
54c9a3d9 | 1540 | // the whole shape (0-1-X-13) |
d0048cec | 1541 | // 2) holes are defined as other TGeoBBox which are subtracted |
54c9a3d9 | 1542 | // from the main shape |
d0048cec | 1543 | // 3) a TGeoXtru is defined connecting the points (0-->11-->0) |
54c9a3d9 | 1544 | // and is also subtracted from the main shape |
1545 | // --- | |
d0048cec | 1546 | // The argument ("type") is used to choose between all these |
54c9a3d9 | 1547 | // possibilities: |
1548 | // - type = 0 --> kapton layer | |
1549 | // - type = 1 --> aluminum layer | |
1550 | // - type = 2 --> glue layer between support and GF | |
1551 | // - type = 3 --> glue layer between GF and ladders | |
d0048cec | 1552 | // Returns: a TGeoCompositeShape which will then be used to shape |
1553 | // several volumes. Since TGeoXtru is used, the local reference | |
54c9a3d9 | 1554 | // frame of this object has X horizontal and Y vertical w.r to |
1555 | // the shape drawn above, and Z axis going perpendicularly to the screen. | |
d0048cec | 1556 | // This is not the correct reference for the half stave, for which |
1557 | // the "long" dimension is Z and the "short" is X, while Y goes in | |
1558 | // the direction of thickness. This will imply some rotations when | |
54c9a3d9 | 1559 | // using the volumes created with this shape. |
d0048cec | 1560 | |
54c9a3d9 | 1561 | // suffix to differentiate names |
1562 | Char_t type[10]; | |
d0048cec | 1563 | |
54c9a3d9 | 1564 | // size of the virtual box containing exactly this volume |
1565 | length = fgkmm * 243.18; | |
1566 | width = fgkmm * 15.95; | |
1567 | if (itype == 1) { | |
1568 | length -= fgkmm * 0.4; | |
1569 | width -= fgkmm * 0.4; | |
1570 | } // end if itype==1 | |
1571 | switch (itype) { | |
1572 | case 0: | |
1573 | sprintf(type,"Kap"); | |
1574 | break; | |
1575 | case 1: | |
1576 | sprintf(type,"Alu"); | |
1577 | break; | |
1578 | case 2: | |
1579 | sprintf(type,"Glue1"); | |
1580 | break; | |
1581 | case 3: | |
1582 | sprintf(type,"Glue2"); | |
1583 | break; | |
1584 | } | |
d0048cec | 1585 | // we divide the shape in several slices along the horizontal |
1586 | // direction (local X) here we define define the length of all | |
54c9a3d9 | 1587 | // sectors (from leftmost to rightmost) |
1588 | Int_t i; | |
1589 | Double_t sliceLength[] = { 140.71, 2.48, 26.78, 4.00, | |
1590 | 10.00, 24.40, 10.00, 24.81 }; | |
1591 | for (i = 0; i < 8; i++) sliceLength[i] *= fgkmm; | |
1592 | if (itype == 1) { | |
1593 | sliceLength[0] -= fgkmm * 0.2; | |
1594 | sliceLength[4] -= fgkmm * 0.2; | |
1595 | sliceLength[5] += fgkmm * 0.4; | |
1596 | sliceLength[6] -= fgkmm * 0.4; | |
1597 | } // end if itype ==1 | |
d0048cec | 1598 | |
1599 | // as shown in the drawing, we have four different widths | |
54c9a3d9 | 1600 | // (along local Y) in this shape: |
1601 | Double_t widthMax = fgkmm * 15.95; | |
1602 | Double_t widthMed1 = fgkmm * 15.00; | |
1603 | Double_t widthMed2 = fgkmm * 11.00; | |
1604 | Double_t widthMin = fgkmm * 4.40; | |
1605 | if (itype == 1) { | |
1606 | widthMax -= fgkmm * 0.4; | |
1607 | widthMed1 -= fgkmm * 0.4; | |
1608 | widthMed2 -= fgkmm * 0.4; | |
1609 | widthMin -= fgkmm * 0.4; | |
1610 | } // end if itype==1 | |
d0048cec | 1611 | |
54c9a3d9 | 1612 | // create the main shape |
1613 | TGeoBBox *shGroundFull = 0; | |
1614 | shGroundFull = new TGeoBBox(Form("ITSSPDSHgFoil%sFull", type), | |
1615 | 0.5*length,0.5*width, 0.5*thickness); | |
d0048cec | 1616 | |
1617 | // create the polygonal shape to be subtracted to give the correct | |
1618 | // shape to the borders its vertices are defined in sugh a way that | |
1619 | // this polygonal will be placed in the correct place considered | |
1620 | // that the origin of the local reference frame is in the center | |
1621 | // of the main box: we fix the starting point at the lower-left | |
1622 | // edge of the shape (point 12), and add all points in order, | |
54c9a3d9 | 1623 | // following a clockwise rotation |
d0048cec | 1624 | |
54c9a3d9 | 1625 | Double_t x[13], y[13]; |
1626 | x[ 0] = -0.5 * length + sliceLength[0]; | |
1627 | y[ 0] = -0.5 * widthMax; | |
1628 | ||
1629 | x[ 1] = x[0] + sliceLength[1]; | |
1630 | y[ 1] = y[0] + (widthMax - widthMed1); | |
1631 | ||
1632 | x[ 2] = x[1] + sliceLength[2]; | |
1633 | y[ 2] = y[1]; | |
1634 | ||
1635 | x[ 3] = x[2] + sliceLength[3]; | |
1636 | y[ 3] = y[2] + (widthMed1 - widthMed2); | |
1637 | ||
1638 | x[ 4] = x[3] + sliceLength[4]; | |
1639 | y[ 4] = y[3]; | |
1640 | ||
1641 | x[ 5] = x[4]; | |
1642 | y[ 5] = y[4] + (widthMed2 - widthMin); | |
1643 | ||
1644 | x[ 6] = x[5] + sliceLength[5]; | |
1645 | y[ 6] = y[5]; | |
1646 | ||
1647 | x[ 7] = x[6]; | |
1648 | y[ 7] = y[4]; | |
1649 | ||
1650 | x[ 8] = x[7] + sliceLength[6]; | |
1651 | y[ 8] = y[7]; | |
1652 | ||
1653 | x[ 9] = x[8]; | |
1654 | y[ 9] = y[6]; | |
1655 | ||
1656 | x[10] = x[9] + sliceLength[7] + 0.5; | |
1657 | y[10] = y[9]; | |
1658 | ||
1659 | x[11] = x[10]; | |
1660 | y[11] = y[0] - 0.5; | |
1661 | ||
1662 | x[12] = x[0]; | |
1663 | y[12] = y[11]; | |
1664 | ||
1665 | // create the shape | |
1666 | TGeoXtru *shGroundXtru = new TGeoXtru(2); | |
1667 | shGroundXtru->SetName(Form("ITSSPDSHgFoil%sXtru", type)); | |
1668 | shGroundXtru->DefinePolygon(13, x, y); | |
1669 | shGroundXtru->DefineSection(0, -thickness, 0., 0., 1.0); | |
1670 | shGroundXtru->DefineSection(1, thickness, 0., 0., 1.0); | |
d0048cec | 1671 | |
54c9a3d9 | 1672 | // define a string which will express the algebric operations among volumes |
1673 | // and add the subtraction of this shape from the main one | |
1674 | TString strComposite(Form("ITSSPDSHgFoil%sFull-(%s+", type, | |
1675 | shGroundXtru->GetName())); | |
d0048cec | 1676 | |
54c9a3d9 | 1677 | // define the holes according to size information coming from drawings: |
1678 | Double_t holeLength = fgkmm * 10.00; | |
1679 | Double_t holeWidth = fgkmm * 7.50; | |
d0048cec | 1680 | Double_t holeSepX0 = fgkmm * 7.05; // separation between center |
54c9a3d9 | 1681 | // of first hole and left border |
d0048cec | 1682 | Double_t holeSepXC = fgkmm * 14.00; // separation between the centers |
54c9a3d9 | 1683 | // of two consecutive holes |
d0048cec | 1684 | Double_t holeSepX1 = fgkmm * 15.42; // separation between centers of |
54c9a3d9 | 1685 | // 5th and 6th hole |
d0048cec | 1686 | Double_t holeSepX2 = fgkmm * 22.00; // separation between centers of |
54c9a3d9 | 1687 | // 10th and 11th hole |
1688 | if (itype == 1) { | |
1689 | holeSepX0 -= fgkmm * 0.2; | |
1690 | holeLength += fgkmm * 0.4; | |
1691 | holeWidth += fgkmm * 0.4; | |
1692 | } // end if itype==1 | |
1693 | sizes.Set(7); | |
1694 | sizes[0] = holeLength; | |
1695 | sizes[1] = holeWidth; | |
1696 | sizes[2] = holeSepX0; | |
1697 | sizes[3] = holeSepXC; | |
1698 | sizes[4] = holeSepX1; | |
1699 | sizes[5] = holeSepX2; | |
1700 | sizes[6] = fgkmm * 4.40; | |
d0048cec | 1701 | |
54c9a3d9 | 1702 | // X position of hole center (will change for each hole) |
1703 | Double_t holeX = -0.5*length; | |
1704 | // Y position of center of all holes (= 4.4 mm from upper border) | |
1705 | Double_t holeY = 0.5*(width - holeWidth) - widthMin; | |
d0048cec | 1706 | |
54c9a3d9 | 1707 | // create a shape for the holes (common) |
1708 | TGeoBBox *shHole = 0; | |
1709 | shHole = new TGeoBBox(Form("ITSSPD%sGfoilHole", type),0.5*holeLength, | |
1710 | 0.5*holeWidth, thickness); | |
d0048cec | 1711 | |
54c9a3d9 | 1712 | // insert the holes in the XTRU shape: |
d0048cec | 1713 | // starting from the first value of X, they are simply |
54c9a3d9 | 1714 | // shifted along this axis |
1715 | char name[200]; | |
1716 | TGeoTranslation *transHole[11]; | |
4adcf390 | 1717 | for (i = 0; i < 11; i++) { |
54c9a3d9 | 1718 | // set the position of the hole, depending on index |
1719 | if (i == 0) { | |
1720 | holeX += holeSepX0; | |
1721 | }else if (i < 5) { | |
1722 | holeX += holeSepXC; | |
1723 | }else if (i == 5) { | |
1724 | holeX += holeSepX1; | |
1725 | }else if (i < 10) { | |
1726 | holeX += holeSepXC; | |
1727 | }else { | |
1728 | holeX += holeSepX2; | |
1729 | } // end if else if's | |
1730 | //cout << i << " --> X = " << holeX << endl; | |
1731 | sprintf(name,"ITSSPDTRgFoil%sHole%d", type, i); | |
1732 | transHole[i] = new TGeoTranslation(name, holeX, holeY, 0.0); | |
1733 | transHole[i]->RegisterYourself(); | |
1734 | strComposite.Append(Form("ITSSPD%sGfoilHole:%s", type, name)); | |
1735 | if (i < 10) strComposite.Append("+"); else strComposite.Append(")"); | |
1736 | } // end for i | |
d0048cec | 1737 | |
54c9a3d9 | 1738 | // create composite shape |
1739 | TGeoCompositeShape *shGround = new TGeoCompositeShape( | |
1740 | Form("ITSSPDSHgFoil%s", type), strComposite.Data()); | |
1741 | ||
1742 | return shGround; | |
592651e2 | 1743 | } |
54c9a3d9 | 1744 | //______________________________________________________________________ |
d0048cec | 1745 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateGroundingFoil(Bool_t isRight, |
54c9a3d9 | 1746 | TArrayD &sizes, TGeoManager *mgr) |
bc3498f4 | 1747 | { |
54c9a3d9 | 1748 | // |
d0048cec | 1749 | // Create a volume containing all parts of the grounding foil a |
1750 | // for a half-stave. | |
54c9a3d9 | 1751 | // It consists of 4 layers with the same shape but different thickness: |
1752 | // 1) a layer of glue | |
1753 | // 2) the aluminum layer | |
1754 | // 3) the kapton layer | |
1755 | // 4) another layer of glue | |
1756 | // --- | |
1757 | // Arguments: | |
d0048cec | 1758 | // 1: a boolean value to know if it is the grounding foir for |
54c9a3d9 | 1759 | // the right or left side |
1760 | // 2: a TArrayD which will contain the dimension of the container box: | |
1761 | // - size[0] = length along Z (the beam line direction) | |
d0048cec | 1762 | // - size[1] = the 'width' of the stave, which defines, together |
54c9a3d9 | 1763 | // with Z, the plane of the carbon fiber support |
d0048cec | 1764 | // - size[2] = 'thickness' (= the direction along which all |
54c9a3d9 | 1765 | // stave components are superimposed) |
1766 | // 3: the TGeoManager | |
1767 | // --- | |
d0048cec | 1768 | // The return value is a TGeoBBox volume containing all grounding |
54c9a3d9 | 1769 | // foil components. |
1770 | // to avoid strange behaviour of the geometry manager, | |
1771 | // create a suffix to be used in the names of all shapes | |
1772 | // | |
1773 | char suf[5]; | |
1774 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); | |
d0048cec | 1775 | // this volume will be created in order to ease its placement in |
1776 | // the half-stave; then, it is added here the small distance of | |
1777 | // the "central" edge of each volume from the Z=0 plane in the stave | |
54c9a3d9 | 1778 | // reference (which coincides with ALICE one) |
1779 | Double_t dist = fgkmm * 0.71; | |
d0048cec | 1780 | |
54c9a3d9 | 1781 | // define materials |
1782 | TGeoMedium *medKap = GetMedium("SPD KAPTON(POLYCH2)$", mgr); | |
1783 | TGeoMedium *medAlu = GetMedium("AL$", mgr); | |
1784 | TGeoMedium *medGlue = GetMedium("EPOXY$", mgr); //??? GLUE_GF_SUPPORT | |
d0048cec | 1785 | |
54c9a3d9 | 1786 | // compute the volume shapes (thicknesses change from one to the other) |
1787 | Double_t kpLength, kpWidth, alLength, alWidth; | |
1788 | TArrayD kpSize, alSize, glSize; | |
ed0e944d | 1789 | Double_t kpThickness = fgkmm * 0.04; |
1790 | Double_t alThickness = fgkmm * 0.01; | |
1791 | //cout << "AL THICKNESS" << alThickness << endl; | |
1792 | //Double_t g0Thickness = fgkmm * 0.1175 - fgkGapHalfStave; | |
1793 | //Double_t g1Thickness = fgkmm * 0.1175 - fgkGapLadder; | |
1794 | Double_t g0Thickness = fgkmm * 0.1275 - fgkGapHalfStave; | |
1795 | Double_t g1Thickness = fgkmm * 0.1275 - fgkGapLadder; | |
54c9a3d9 | 1796 | TGeoCompositeShape *kpShape = CreateGroundingFoilShape(0,kpLength,kpWidth, |
1797 | kpThickness, kpSize); | |
1798 | TGeoCompositeShape *alShape = CreateGroundingFoilShape(1,alLength,alWidth, | |
1799 | alThickness, alSize); | |
3ffa185f | 1800 | TGeoCompositeShape *g0Shape = CreateGroundingFoilShape(2,kpLength,kpWidth, |
1801 | g0Thickness, glSize); | |
1802 | TGeoCompositeShape *g1Shape = CreateGroundingFoilShape(3,kpLength,kpWidth, | |
1803 | g1Thickness, glSize); | |
d0048cec | 1804 | // create the component volumes and register their sizes in the |
1805 | // passed arrays for readability reasons, some reference variables | |
54c9a3d9 | 1806 | // explicit the meaning of the array slots |
1807 | TGeoVolume *kpVol = new TGeoVolume(Form("ITSSPDgFoilKap%s",suf), | |
1808 | kpShape, medKap); | |
1809 | TGeoVolume *alVol = new TGeoVolume(Form("ITSSPDgFoilAlu%s",suf), | |
1810 | alShape, medAlu); | |
3ffa185f | 1811 | TGeoVolume *g0Vol = new TGeoVolume(Form("ITSSPDgFoilGlue%s",suf), |
1812 | g0Shape, medGlue); | |
1813 | TGeoVolume *g1Vol = new TGeoVolume(Form("ITSSPDgFoilGlue%s",suf), | |
1814 | g1Shape, medGlue); | |
54c9a3d9 | 1815 | // set colors for the volumes |
1816 | kpVol->SetLineColor(kRed); | |
1817 | alVol->SetLineColor(kGray); | |
3ffa185f | 1818 | g0Vol->SetLineColor(kYellow); |
1819 | g1Vol->SetLineColor(kYellow); | |
54c9a3d9 | 1820 | // create references for the final size object |
1821 | if (sizes.GetSize() != 3) sizes.Set(3); | |
1822 | Double_t &fullThickness = sizes[0]; | |
1823 | Double_t &fullLength = sizes[1]; | |
1824 | Double_t &fullWidth = sizes[2]; | |
d0048cec | 1825 | // kapton leads the larger dimensions of the foil |
54c9a3d9 | 1826 | // (including the cited small distance from Z=0 stave reference plane) |
1827 | // the thickness is the sum of the ones of all components | |
1828 | fullLength = kpLength + dist; | |
1829 | fullWidth = kpWidth; | |
3ffa185f | 1830 | fullThickness = kpThickness + alThickness + g0Thickness + g1Thickness; |
54c9a3d9 | 1831 | // create the container |
d0048cec | 1832 | // TGeoMedium *air = GetMedium("AIR$", mgr); |
1833 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form("ITSSPDgFOIL-%s",suf)); | |
1834 | // TGeoVolume *container = mgr->MakeBox(Form("ITSSPDgFOIL-%s",suf), | |
1835 | // air, 0.5*fullThickness, 0.5*fullWidth, 0.5*fullLength); | |
1836 | // create the common correction rotation (which depends of what side | |
54c9a3d9 | 1837 | // we are building) |
1838 | TGeoRotation *rotCorr = new TGeoRotation(*gGeoIdentity); | |
1839 | if (isRight) rotCorr->RotateY(90.0); | |
d0048cec | 1840 | else rotCorr->RotateY(-90.0); |
1841 | // compute the translations, which are in the length and | |
54c9a3d9 | 1842 | // thickness directions |
1843 | Double_t x, y, z, shift = 0.0; | |
1844 | if (isRight) shift = dist; | |
1845 | // glue (bottom) | |
3ffa185f | 1846 | x = -0.5*(fullThickness - g0Thickness); |
54c9a3d9 | 1847 | z = 0.5*(fullLength - kpLength) - shift; |
1848 | TGeoCombiTrans *glTrans0 = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1849 | // kapton | |
3ffa185f | 1850 | x += 0.5*(g0Thickness + kpThickness); |
54c9a3d9 | 1851 | TGeoCombiTrans *kpTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); |
1852 | // aluminum | |
1853 | x += 0.5*(kpThickness + alThickness); | |
1854 | z = 0.5*(fullLength - alLength) - shift - 0.5*(kpLength - alLength); | |
1855 | TGeoCombiTrans *alTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
1856 | // glue (top) | |
3ffa185f | 1857 | x += 0.5*(alThickness + g1Thickness); |
54c9a3d9 | 1858 | z = 0.5*(fullLength - kpLength) - shift; |
1859 | TGeoCombiTrans *glTrans1 = new TGeoCombiTrans(x, 0.0, z, rotCorr); | |
d0048cec | 1860 | |
ed0e944d | 1861 | //cout << fgkGapHalfStave << endl; |
1862 | //cout << g0Thickness << endl; | |
1863 | //cout << kpThickness << endl; | |
1864 | //cout << alThickness << endl; | |
1865 | //cout << g1Thickness << endl; | |
54c9a3d9 | 1866 | |
1867 | // add to container | |
22726349 | 1868 | container->SetLineColor(kMagenta-10); |
54c9a3d9 | 1869 | container->AddNode(kpVol, 1, kpTrans); |
1870 | container->AddNode(alVol, 1, alTrans); | |
3ffa185f | 1871 | container->AddNode(g0Vol, 1, glTrans0); |
d0048cec | 1872 | container->AddNode(g1Vol, 2, glTrans1); |
1873 | // to add the grease we remember the sizes of the holes, stored as | |
54c9a3d9 | 1874 | // additional parameters in the kapton layer size: |
1875 | // - sizes[3] = hole length | |
1876 | // - sizes[4] = hole width | |
1877 | // - sizes[5] = position of first hole center | |
1878 | // - sizes[6] = standard separation between holes | |
1879 | // - sizes[7] = separation between 5th and 6th hole | |
1880 | // - sizes[8] = separation between 10th and 11th hole | |
d0048cec | 1881 | // - sizes[9] = separation between the upper hole border and |
54c9a3d9 | 1882 | // the foil border |
1883 | Double_t holeLength = kpSize[0]; | |
1884 | Double_t holeWidth = kpSize[1]; | |
1885 | Double_t holeFirstZ = kpSize[2]; | |
1886 | Double_t holeSepZ = kpSize[3]; | |
1887 | Double_t holeSep5th6th = kpSize[4]; | |
1888 | Double_t holeSep10th11th = kpSize[5]; | |
1889 | Double_t holeSepY = kpSize[6]; | |
1890 | // volume (common) | |
1891 | // Grease has not been defined to date. Need much more information | |
1892 | // no this material! | |
1893 | TGeoMedium *grease = GetMedium("SPD KAPTON(POLYCH2)$", mgr); // ??? GREASE | |
1894 | TGeoVolume *hVol = mgr->MakeBox("ITSSPDGrease", grease, | |
1895 | 0.5*fullThickness, 0.5*holeWidth, 0.5*holeLength); | |
1896 | hVol->SetLineColor(kBlue); | |
1897 | // displacement of volumes in the container | |
1898 | Int_t idx = 1; // copy numbers start from 1. | |
1899 | x = 0.0; | |
1900 | y = 0.5*(fullWidth - holeWidth) - holeSepY; | |
1901 | if (isRight) z = holeFirstZ - 0.5*fullLength + dist; | |
1902 | else z = 0.5*fullLength - holeFirstZ - dist; | |
1903 | for (Int_t i = 0; i < 11; i++) { | |
1904 | TGeoTranslation *t = 0; | |
1905 | t = new TGeoTranslation(x, y, -z); | |
1906 | container->AddNode(hVol, idx++, t); | |
1907 | if (i < 4) shift = holeSepZ; | |
1908 | else if (i == 4) shift = holeSep5th6th; | |
1909 | else if (i < 9) shift = holeSepZ; | |
1910 | else shift = holeSep10th11th; | |
1911 | if (isRight) z += shift; | |
1912 | else z -= shift; | |
1913 | } // end for i | |
1914 | return container; | |
592651e2 | 1915 | } |
54c9a3d9 | 1916 | //___________________________________________________________________ |
1917 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateMCM(Bool_t isRight, | |
1918 | TArrayD &sizes, TGeoManager *mgr) const | |
bc3498f4 | 1919 | { |
54c9a3d9 | 1920 | // |
1921 | // Create a TGeoAssembly containing all the components of the MCM. | |
1922 | // The TGeoVolume container is rejected due to the possibility of overlaps | |
1923 | // when placing this object on the carbon fiber sector. | |
1924 | // The assembly contains: | |
1925 | // - the thin part of the MCM (integrated circuit) | |
1926 | // - the MCM chips (specifications from EDMS) | |
1927 | // - the cap which covers the zone where chips are bound to MCM | |
1928 | // --- | |
d0048cec | 1929 | // The local reference frame of this assembly is defined in such a way |
1930 | // that all volumes are contained in a virtual box whose center | |
1931 | // is placed exactly in the middle of the occupied space w.r to all | |
1932 | // directions. This will ease the positioning of this object in the | |
1933 | // half-stave. The sizes of this virtual box are stored in | |
54c9a3d9 | 1934 | // the array passed by reference. |
1935 | // --- | |
1936 | // Arguments: | |
d0048cec | 1937 | // - a boolean flag to know if this is the "left" or "right" MCM, when |
1938 | // looking at the stave from above (i.e. the direction from which | |
1939 | // one sees bus over ladders over grounding foil) and keeping the | |
1940 | // continuous border in the upper part, one sees the thicker part | |
54c9a3d9 | 1941 | // on the left or right. |
d0048cec | 1942 | // - an array passed by reference which will contain the size of |
54c9a3d9 | 1943 | // the virtual container. |
1944 | // - a pointer to the used TGeoManager. | |
1945 | // | |
1946 | ||
1947 | // to distinguish the "left" and "right" objects, a suffix is created | |
1948 | char suf[5]; | |
1949 | if (isRight) strcpy(suf, "R"); else strcpy(suf, "L"); | |
1950 | ||
1951 | // ** MEDIA ** | |
1952 | TGeoMedium *medBase = GetMedium("SPD KAPTON(POLYCH2)$",mgr);// ??? MCM BASE | |
1953 | TGeoMedium *medChip = GetMedium("SPD SI CHIP$",mgr); | |
1954 | TGeoMedium *medCap = GetMedium("AL$",mgr); | |
1955 | ||
d0048cec | 1956 | // The shape of the MCM is divided into 3 sectors with different |
54c9a3d9 | 1957 | // widths (Y) and lengths (X), like in this sketch: |
1958 | // | |
d0048cec | 1959 | // 0 1 2 |
54c9a3d9 | 1960 | // +---------------------+-----------------------------------+ |
1961 | // | 4 sect 2 | | |
1962 | // | 6 sect 1 /-------------------+ | |
1963 | // | sect 0 /--------------/ 3 | |
1964 | // +--------------------/ 5 | |
1965 | // 8 7 | |
1966 | // | |
1967 | // the inclination of all oblique borders (6-7, 4-5) is always 45 degrees. | |
1968 | // From drawings we can parametrize the dimensions of all these sectors, | |
1969 | // then the shape of this part of the MCM is implemented as a | |
d0048cec | 1970 | // TGeoXtru centerd in the virtual XY space. |
54c9a3d9 | 1971 | // The first step is definig the relevant sizes of this shape: |
1972 | Int_t i, j; | |
1973 | Double_t mcmThickness = fgkmm * 0.35; | |
1974 | Double_t sizeXtot = fgkmm * 105.6; // total distance (0-2) | |
1975 | // resp. 7-8, 5-6 and 3-4 | |
1976 | Double_t sizeXsector[3] = {fgkmm * 28.4, fgkmm * 41.4, fgkmm * 28.8}; | |
1977 | // resp. 0-8, 1-6 and 2-3 | |
1978 | Double_t sizeYsector[3] = {fgkmm * 15.0, fgkmm * 11.0, fgkmm * 8.0}; | |
1979 | Double_t sizeSep01 = fgkmm * 4.0; // x(6)-x(7) | |
1980 | Double_t sizeSep12 = fgkmm * 3.0; // x(4)-x(5) | |
1981 | ||
1982 | // define sizes of chips (last is the thickest) | |
1983 | Double_t chipLength[5] = { 4.00, 6.15, 3.85, 5.60, 18.00 }; | |
1984 | Double_t chipWidth[5] = { 3.00, 4.10, 3.85, 5.60, 5.45 }; | |
1985 | Double_t chipThickness[5] = { 0.60, 0.30, 0.30, 1.00, 1.20 }; | |
1986 | TString name[5]; | |
1987 | name[0] = "ITSSPDanalog"; | |
1988 | name[1] = "ITSSPDpilot"; | |
1989 | name[2] = "ITSSPDgol"; | |
1990 | name[3] = "ITSSPDrx40"; | |
1991 | name[4] = "ITSSPDoptical"; | |
1992 | Color_t color[5] = { kCyan, kGreen, kYellow, kBlue, kOrange }; | |
1993 | ||
1994 | // define the sizes of the cover | |
1995 | Double_t capThickness = fgkmm * 0.3; | |
1996 | Double_t capHeight = fgkmm * 1.7; | |
1997 | ||
1998 | // compute the total size of the virtual container box | |
1999 | sizes.Set(3); | |
2000 | Double_t &thickness = sizes[0]; | |
2001 | Double_t &length = sizes[1]; | |
2002 | Double_t &width = sizes[2]; | |
2003 | length = sizeXtot; | |
2004 | width = sizeYsector[0]; | |
2005 | thickness = mcmThickness + capHeight; | |
2006 | ||
d0048cec | 2007 | // define all the relevant vertices of the polygon |
54c9a3d9 | 2008 | // which defines the transverse shape of the MCM. |
d0048cec | 2009 | // These values are used to several purposes, and |
54c9a3d9 | 2010 | // for each one, some points must be excluded |
2011 | Double_t xRef[9], yRef[9]; | |
2012 | xRef[0] = -0.5*sizeXtot; | |
2013 | yRef[0] = 0.5*sizeYsector[0]; | |
2014 | xRef[1] = xRef[0] + sizeXsector[0] + sizeSep01; | |
2015 | yRef[1] = yRef[0]; | |
2016 | xRef[2] = -xRef[0]; | |
2017 | yRef[2] = yRef[0]; | |
2018 | xRef[3] = xRef[2]; | |
2019 | yRef[3] = yRef[2] - sizeYsector[2]; | |
2020 | xRef[4] = xRef[3] - sizeXsector[2]; | |
2021 | yRef[4] = yRef[3]; | |
2022 | xRef[5] = xRef[4] - sizeSep12; | |
2023 | yRef[5] = yRef[4] - sizeSep12; | |
2024 | xRef[6] = xRef[5] - sizeXsector[1]; | |
2025 | yRef[6] = yRef[5]; | |
2026 | xRef[7] = xRef[6] - sizeSep01; | |
2027 | yRef[7] = yRef[6] - sizeSep01; | |
2028 | xRef[8] = xRef[0]; | |
2029 | yRef[8] = -yRef[0]; | |
2030 | ||
d0048cec | 2031 | // the above points are defined for the "right" MCM (if ve view the |
2032 | // stave from above) in order to change to the "left" one, we must | |
54c9a3d9 | 2033 | // change the sign to all X values: |
2034 | if (isRight) for (i = 0; i < 9; i++) xRef[i] = -xRef[i]; | |
d0048cec | 2035 | |
2036 | // the shape of the MCM and glue layer are done excluding point 1, | |
54c9a3d9 | 2037 | // which is not necessary and cause the geometry builder to get confused |
2038 | j = 0; | |
2039 | Double_t xBase[8], yBase[8]; | |
2040 | for (i = 0; i < 9; i++) { | |
2041 | if (i == 1) continue; | |
2042 | xBase[j] = xRef[i]; | |
2043 | yBase[j] = yRef[i]; | |
2044 | j++; | |
2045 | } // end for i | |
2046 | ||
2047 | // the MCM cover is superimposed over the zones 1 and 2 only | |
2048 | Double_t xCap[6], yCap[6]; | |
2049 | j = 0; | |
2050 | for (i = 1; i <= 6; i++) { | |
2051 | xCap[j] = xRef[i]; | |
2052 | yCap[j] = yRef[i]; | |
2053 | j++; | |
2054 | } // end for i | |
2055 | ||
d0048cec | 2056 | // define positions of chips, |
54c9a3d9 | 2057 | // which must be added to the bottom-left corner of MCM |
2058 | // and divided by 1E4; | |
2059 | Double_t chipX[5], chipY[5]; | |
2060 | if (isRight) { | |
2061 | chipX[0] = 666320.; | |
2062 | chipX[1] = 508320.; | |
2063 | chipX[2] = 381320.; | |
2064 | chipX[3] = 295320.; | |
2065 | chipX[4] = 150320.; | |
2066 | chipY[0] = 23750.; | |
2067 | chipY[1] = 27750.; | |
2068 | chipY[2] = 20750.; | |
2069 | chipY[3] = 42750.; | |
2070 | chipY[4] = 39750.; | |
2071 | } else { | |
2072 | chipX[0] = 389730.; | |
2073 | chipX[1] = 548630.; | |
2074 | chipX[2] = 674930.; | |
2075 | chipX[3] = 761430.; | |
2076 | chipX[4] = 905430.; | |
2077 | chipY[0] = 96250.; | |
2078 | chipY[1] = 91950.; | |
2079 | chipY[2] = 99250.; | |
2080 | chipY[3] = 107250.; | |
2081 | chipY[4] = 109750.; | |
2082 | } // end if isRight | |
2083 | for (i = 0; i < 5; i++) { | |
2084 | chipX[i] *= 0.00001; | |
2085 | chipY[i] *= 0.00001; | |
2086 | if (isRight) { | |
2087 | chipX[i] += xRef[3]; | |
2088 | chipY[i] += yRef[3]; | |
2089 | } else { | |
2090 | chipX[i] += xRef[8]; | |
2091 | chipY[i] += yRef[8]; | |
2092 | } // end for isRight | |
2093 | chipLength[i] *= fgkmm; | |
2094 | chipWidth[i] *= fgkmm; | |
2095 | chipThickness[i] *= fgkmm; | |
2096 | } // end for i | |
2097 | ||
d0048cec | 2098 | // create shapes for MCM |
54c9a3d9 | 2099 | Double_t z1, z2; |
2100 | TGeoXtru *shBase = new TGeoXtru(2); | |
2101 | z1 = -0.5*thickness; | |
2102 | z2 = z1 + mcmThickness; | |
2103 | shBase->DefinePolygon(8, xBase, yBase); | |
2104 | shBase->DefineSection(0, z1, 0., 0., 1.0); | |
2105 | shBase->DefineSection(1, z2, 0., 0., 1.0); | |
2106 | ||
2107 | // create volumes of MCM | |
2108 | TGeoVolume *volBase = new TGeoVolume("ITSSPDbase", shBase, medBase); | |
2109 | volBase->SetLineColor(kRed); | |
2110 | ||
d0048cec | 2111 | // to create the border of the MCM cover, it is required the |
2112 | // subtraction of two shapes the outer is created using the | |
54c9a3d9 | 2113 | // reference points defined here |
2114 | TGeoXtru *shCapOut = new TGeoXtru(2); | |
2115 | shCapOut->SetName(Form("ITSSPDshCAPOUT%s", suf)); | |
2116 | z1 = z2; | |
2117 | z2 = z1 + capHeight - capThickness; | |
2118 | shCapOut->DefinePolygon(6, xCap, yCap); | |
2119 | shCapOut->DefineSection(0, z1, 0., 0., 1.0); | |
2120 | shCapOut->DefineSection(1, z2, 0., 0., 1.0); | |
2121 | // the inner is built similarly but subtracting the thickness | |
2122 | Double_t angle, cs; | |
2123 | Double_t xin[6], yin[6]; | |
2124 | if (!isRight) { | |
2125 | angle = 45.0; | |
2126 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
2127 | xin[0] = xCap[0] + capThickness; | |
2128 | yin[0] = yCap[0] - capThickness; | |
2129 | xin[1] = xCap[1] - capThickness; | |
2130 | yin[1] = yin[0]; | |
2131 | xin[2] = xin[1]; | |
2132 | yin[2] = yCap[2] + capThickness; | |
2133 | xin[3] = xCap[3] - capThickness*cs; | |
2134 | yin[3] = yin[2]; | |
2135 | xin[4] = xin[3] - sizeSep12; | |
2136 | yin[4] = yCap[4] + capThickness; | |
2137 | xin[5] = xin[0]; | |
2138 | yin[5] = yin[4]; | |
2139 | } else { | |
2140 | angle = 45.0; | |
2141 | cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) ); | |
2142 | xin[0] = xCap[0] - capThickness; | |
2143 | yin[0] = yCap[0] - capThickness; | |
2144 | xin[1] = xCap[1] + capThickness; | |
2145 | yin[1] = yin[0]; | |
2146 | xin[2] = xin[1]; | |
2147 | yin[2] = yCap[2] + capThickness; | |
2148 | xin[3] = xCap[3] - capThickness*cs; | |
2149 | yin[3] = yin[2]; | |
2150 | xin[4] = xin[3] + sizeSep12; | |
2151 | yin[4] = yCap[4] + capThickness; | |
2152 | xin[5] = xin[0]; | |
2153 | yin[5] = yin[4]; | |
2154 | } // end if !isRight | |
2155 | TGeoXtru *shCapIn = new TGeoXtru(2); | |
2156 | shCapIn->SetName(Form("ITSSPDshCAPIN%s", suf)); | |
2157 | shCapIn->DefinePolygon(6, xin, yin); | |
2158 | shCapIn->DefineSection(0, z1 - 0.01, 0., 0., 1.0); | |
2159 | shCapIn->DefineSection(1, z2 + 0.01, 0., 0., 1.0); | |
2160 | // compose shapes | |
2161 | TGeoCompositeShape *shCapBorder = new TGeoCompositeShape( | |
d0048cec | 2162 | Form("ITSSPDshBORDER%s", suf), |
54c9a3d9 | 2163 | Form("%s-%s", shCapOut->GetName(), |
2164 | shCapIn->GetName())); | |
2165 | // create volume | |
2166 | TGeoVolume *volCapBorder = new TGeoVolume("ITSSPDcapBoarder", | |
2167 | shCapBorder,medCap); | |
2168 | volCapBorder->SetLineColor(kGreen); | |
d0048cec | 2169 | // finally, we create the top of the cover, which has the same |
2170 | // shape of outer border and a thickness equal of the one othe | |
54c9a3d9 | 2171 | // cover border one |
2172 | TGeoXtru *shCapTop = new TGeoXtru(2); | |
2173 | z1 = z2; | |
2174 | z2 = z1 + capThickness; | |
2175 | shCapTop->DefinePolygon(6, xCap, yCap); | |
2176 | shCapTop->DefineSection(0, z1, 0., 0., 1.0); | |
2177 | shCapTop->DefineSection(1, z2, 0., 0., 1.0); | |
2178 | TGeoVolume *volCapTop = new TGeoVolume("ITSSPDcapTop", shCapTop, medCap); | |
2179 | volCapTop->SetLineColor(kBlue); | |
2180 | ||
2181 | // create container assembly with right suffix | |
2182 | TGeoVolumeAssembly *mcmAssembly = new TGeoVolumeAssembly( | |
2183 | Form("ITSSPDmcm%s", suf)); | |
2184 | ||
2185 | // add mcm layer | |
2186 | mcmAssembly->AddNode(volBase, 1, gGeoIdentity); | |
2187 | // add chips | |
2188 | for (i = 0; i < 5; i++) { | |
2189 | TGeoVolume *box = gGeoManager->MakeBox(name[i],medChip, | |
2190 | 0.5*chipLength[i], 0.5*chipWidth[i], 0.5*chipThickness[i]); | |
2191 | TGeoTranslation *tr = new TGeoTranslation(chipX[i],chipY[i], | |
2192 | 0.5*(-thickness + chipThickness[i]) + mcmThickness); | |
2193 | box->SetLineColor(color[i]); | |
2194 | mcmAssembly->AddNode(box, 1, tr); | |
2195 | } // end for i | |
2196 | // add cap border | |
2197 | mcmAssembly->AddNode(volCapBorder, 1, gGeoIdentity); | |
2198 | // add cap top | |
d0048cec | 2199 | mcmAssembly->AddNode(volCapTop, 1, gGeoIdentity); |
54c9a3d9 | 2200 | |
2201 | return mcmAssembly; | |
592651e2 | 2202 | } |
7f69c251 | 2203 | |
54c9a3d9 | 2204 | //______________________________________________________________________ |
bc3498f4 | 2205 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBus |
22726349 | 2206 | (Bool_t isRight, Int_t ilayer, TArrayD &sizes, TGeoManager *mgr) const |
bc3498f4 | 2207 | { |
54c9a3d9 | 2208 | // |
d0048cec | 2209 | // The pixel bus is implemented as a TGeoBBox with some objects on it, |
54c9a3d9 | 2210 | // which could affect the particle energy loss. |
2211 | // --- | |
d0048cec | 2212 | // In order to avoid confusion, the bus is directly displaced |
54c9a3d9 | 2213 | // according to the axis orientations which are used in the final stave: |
2214 | // X --> thickness direction | |
2215 | // Y --> width direction | |
2216 | // Z --> length direction | |
2217 | // | |
d0048cec | 2218 | |
22726349 | 2219 | // ** CRITICAL CHECK ****************************************************** |
2220 | // layer number can be ONLY 1 or 2 | |
2221 | if (ilayer != 1 && ilayer != 2) AliFatal("Layer number MUST be 1 or 2"); | |
54c9a3d9 | 2222 | |
2223 | // ** MEDIA ** | |
2224 | //PIXEL BUS | |
2225 | TGeoMedium *medBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr); | |
2226 | TGeoMedium *medPt1000 = GetMedium("CERAMICS$",mgr); // ??? PT1000 | |
2227 | // Capacity | |
2228 | TGeoMedium *medCap = GetMedium("SDD X7R capacitors$",mgr); | |
2229 | // ??? Resistance | |
d0048cec | 2230 | //TGeoMedium *medRes = GetMedium("SDD X7R capacitors$",mgr); |
7f69c251 | 2231 | TGeoMedium *medRes = GetMedium("ALUMINUM$",mgr); |
45c52bb2 | 2232 | //TGeoMedium *medExt = GetMedium("SDDKAPTON (POLYCH2)$", mgr); |
2233 | TGeoMedium *medExt = GetMedium("SPD-MIX CU KAPTON$", mgr); | |
54c9a3d9 | 2234 | // ** SIZES & POSITIONS ** |
2235 | Double_t busLength = 170.501 * fgkmm; // length of plane part | |
2236 | Double_t busWidth = 13.800 * fgkmm; // width | |
2237 | Double_t busThickness = 0.280 * fgkmm; // thickness | |
2238 | Double_t pt1000Length = fgkmm * 1.50; | |
2239 | Double_t pt1000Width = fgkmm * 3.10; | |
2240 | Double_t pt1000Thickness = fgkmm * 0.60; | |
2241 | Double_t pt1000Y, pt1000Z[10];// position of the pt1000's along the bus | |
2242 | Double_t capLength = fgkmm * 2.55; | |
2243 | Double_t capWidth = fgkmm * 1.50; | |
2244 | Double_t capThickness = fgkmm * 1.35; | |
2245 | Double_t capY[2], capZ[2]; | |
d0048cec | 2246 | |
54c9a3d9 | 2247 | Double_t resLength = fgkmm * 2.20; |
2248 | Double_t resWidth = fgkmm * 0.80; | |
2249 | Double_t resThickness = fgkmm * 0.35; | |
2250 | Double_t resY[2], resZ[2]; | |
d0048cec | 2251 | |
7f69c251 | 2252 | Double_t extThickness = fgkmm * 0.25; |
3ffa185f | 2253 | Double_t ext1Length = fgkmm * (26.7 - 10.0); |
ddf00e3c | 2254 | Double_t ext2Length = fgkmm * 284.0 - ext1Length + extThickness; |
3ffa185f | 2255 | Double_t extWidth = fgkmm * 11.0; |
2256 | Double_t extHeight = fgkmm * 2.5; | |
d0048cec | 2257 | |
2258 | // position of pt1000, resistors and capacitors depends on the | |
54c9a3d9 | 2259 | // bus if it's left or right one |
2260 | if (!isRight) { | |
2261 | pt1000Y = 64400.; | |
2262 | pt1000Z[0] = 66160.; | |
2263 | pt1000Z[1] = 206200.; | |
2264 | pt1000Z[2] = 346200.; | |
2265 | pt1000Z[3] = 486200.; | |
2266 | pt1000Z[4] = 626200.; | |
2267 | pt1000Z[5] = 776200.; | |
2268 | pt1000Z[6] = 916200.; | |
2269 | pt1000Z[7] = 1056200.; | |
2270 | pt1000Z[8] = 1196200.; | |
d0048cec | 2271 | pt1000Z[9] = 1336200.; |
54c9a3d9 | 2272 | resZ[0] = 1397500.; |
2273 | resY[0] = 26900.; | |
2274 | resZ[1] = 682500.; | |
2275 | resY[1] = 27800.; | |
2276 | capZ[0] = 1395700.; | |
2277 | capY[0] = 45700.; | |
2278 | capZ[1] = 692600.; | |
2279 | capY[1] = 45400.; | |
2280 | } else { | |
2281 | pt1000Y = 66100.; | |
2282 | pt1000Z[0] = 319700.; | |
2283 | pt1000Z[1] = 459700.; | |
2284 | pt1000Z[2] = 599700.; | |
2285 | pt1000Z[3] = 739700.; | |
2286 | pt1000Z[4] = 879700.; | |
2287 | pt1000Z[5] = 1029700.; | |
2288 | pt1000Z[6] = 1169700.; | |
2289 | pt1000Z[7] = 1309700.; | |
2290 | pt1000Z[8] = 1449700.; | |
d0048cec | 2291 | pt1000Z[9] = 1589700.; |
54c9a3d9 | 2292 | capY[0] = 44500.; |
2293 | capZ[0] = 266700.; | |
2294 | capY[1] = 44300.; | |
2295 | capZ[1] = 974700.; | |
2296 | resZ[0] = 266500.; | |
2297 | resY[0] = 29200.; | |
2298 | resZ[1] = 974600.; | |
2299 | resY[1] = 29900.; | |
2300 | } // end if isRight | |
2301 | Int_t i; | |
2302 | pt1000Y *= 1E-4 * fgkmm; | |
2303 | for (i = 0; i < 10; i++) { | |
2304 | pt1000Z[i] *= 1E-4 * fgkmm; | |
2305 | if (i < 2) { | |
2306 | capZ[i] *= 1E-4 * fgkmm; | |
2307 | capY[i] *= 1E-4 * fgkmm; | |
2308 | resZ[i] *= 1E-4 * fgkmm; | |
2309 | resY[i] *= 1E-4 * fgkmm; | |
2310 | } // end if iM2 | |
2311 | } // end for i | |
d0048cec | 2312 | |
54c9a3d9 | 2313 | Double_t &fullLength = sizes[1]; |
2314 | Double_t &fullWidth = sizes[2]; | |
2315 | Double_t &fullThickness = sizes[0]; | |
2316 | fullLength = busLength; | |
2317 | fullWidth = busWidth; | |
2318 | // add the thickness of the thickest component on bus (capacity) | |
d0048cec | 2319 | fullThickness = busThickness + capThickness; |
54c9a3d9 | 2320 | |
2321 | // ** VOLUMES ** | |
2322 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly("ITSSPDpixelBus"); | |
d0048cec | 2323 | TGeoVolume *bus = mgr->MakeBox("ITSSPDbus", medBus, 0.5*busThickness, |
54c9a3d9 | 2324 | 0.5*busWidth, 0.5*busLength); |
2325 | TGeoVolume *pt1000 = mgr->MakeBox("ITSSPDpt1000",medPt1000, | |
2326 | 0.5*pt1000Thickness,0.5*pt1000Width, 0.5*pt1000Length); | |
2327 | TGeoVolume *res = mgr->MakeBox("ITSSPDresistor", medRes, 0.5*resThickness, | |
2328 | 0.5*resWidth, 0.5*resLength); | |
2329 | TGeoVolume *cap = mgr->MakeBox("ITSSPDcapacitor", medCap, 0.5*capThickness, | |
2330 | 0.5*capWidth, 0.5*capLength); | |
d0048cec | 2331 | |
7f69c251 | 2332 | TGeoVolume *ext1 = mgr->MakeBox("Extender1", medExt, 0.5*extThickness, 0.5*extWidth, 0.5*ext1Length); |
3ffa185f | 2333 | TGeoVolume *ext2 = mgr->MakeBox("Extender2", medExt, 0.5*extHeight - 2.*extThickness, 0.5*extWidth, 0.5*extThickness); |
2334 | TGeoVolume *ext3 = mgr->MakeBox("Extender3", medExt, 0.5*extThickness, 0.5*(extWidth-0.8*fgkmm), 0.5*ext2Length + extThickness); // Hardcode fix of a small overlap | |
54c9a3d9 | 2335 | bus->SetLineColor(kYellow + 2); |
2336 | pt1000->SetLineColor(kGreen + 3); | |
2337 | res->SetLineColor(kRed + 1); | |
2338 | cap->SetLineColor(kBlue - 7); | |
7f69c251 | 2339 | ext1->SetLineColor(kGray); |
3ffa185f | 2340 | ext2->SetLineColor(kGray); |
2341 | ext3->SetLineColor(kGray); | |
54c9a3d9 | 2342 | |
2343 | // ** MOVEMENTS AND POSITIONEMENT ** | |
2344 | // bus | |
d0048cec | 2345 | TGeoTranslation *trBus = new TGeoTranslation(0.5 * (busThickness - |
54c9a3d9 | 2346 | fullThickness), 0.0, 0.0); |
2347 | container->AddNode(bus, 1, trBus); | |
2348 | Double_t zRef, yRef, x, y, z; | |
2349 | if (isRight) { | |
2350 | zRef = -0.5*fullLength; | |
2351 | yRef = -0.5*fullWidth; | |
2352 | } else { | |
2353 | zRef = -0.5*fullLength; | |
2354 | yRef = -0.5*fullWidth; | |
2355 | } // end if isRight | |
2356 | // pt1000 | |
2357 | x = 0.5*(pt1000Thickness - fullThickness) + busThickness; | |
2358 | for (i = 0; i < 10; i++) { | |
2359 | y = yRef + pt1000Y; | |
2360 | z = zRef + pt1000Z[i]; | |
2361 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2362 | container->AddNode(pt1000, i+1, tr); | |
2363 | } // end for i | |
2364 | // capacitors | |
2365 | x = 0.5*(capThickness - fullThickness) + busThickness; | |
2366 | for (i = 0; i < 2; i++) { | |
2367 | y = yRef + capY[i]; | |
2368 | z = zRef + capZ[i]; | |
2369 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2370 | container->AddNode(cap, i+1, tr); | |
2371 | } // end for i | |
2372 | // resistors | |
2373 | x = 0.5*(resThickness - fullThickness) + busThickness; | |
2374 | for (i = 0; i < 2; i++) { | |
2375 | y = yRef + resY[i]; | |
2376 | z = zRef + resZ[i]; | |
2377 | TGeoTranslation *tr = new TGeoTranslation(x, y, z); | |
2378 | container->AddNode(res, i+1, tr); | |
2379 | } // end for i | |
d0048cec | 2380 | |
7f69c251 | 2381 | // extender |
22726349 | 2382 | if (ilayer == 2) { |
3ffa185f | 2383 | if (isRight) { |
2384 | y = 0.5 * (fullWidth - extWidth) - 0.1; | |
2385 | z = 0.5 * (-fullLength + fgkmm * 10.0); | |
2386 | } | |
2387 | else { | |
2388 | y = 0.5 * (fullWidth - extWidth) - 0.1; | |
2389 | z = 0.5 * ( fullLength - fgkmm * 10.0); | |
2390 | } | |
22726349 | 2391 | } |
2392 | else { | |
2393 | if (isRight) { | |
2394 | y = -0.5 * (fullWidth - extWidth); | |
2395 | z = 0.5 * (-fullLength + fgkmm * 10.0); | |
2396 | } | |
2397 | else { | |
2398 | y = -0.5 * (fullWidth - extWidth); | |
2399 | z = 0.5 * ( fullLength - fgkmm * 10.0); | |
2400 | } | |
2401 | } | |
3ffa185f | 2402 | x = 0.5 * (extThickness - fullThickness) + busThickness; |
2403 | //y = 0.5 * (fullWidth - extWidth); | |
2404 | TGeoTranslation *trExt1 = new TGeoTranslation(x, y, z); | |
2405 | if (isRight) { | |
2406 | z -= 0.5 * (ext1Length - extThickness); | |
2407 | } | |
2408 | else { | |
2409 | z += 0.5 * (ext1Length - extThickness); | |
2410 | } | |
2411 | x += 0.5*(extHeight - 3.*extThickness); | |
2412 | TGeoTranslation *trExt2 = new TGeoTranslation(x, y, z); | |
2413 | if (isRight) { | |
2414 | z -= 0.5 * (ext2Length - extThickness) + 2.5*extThickness; | |
2415 | } | |
2416 | else { | |
2417 | z += 0.5 * (ext2Length - extThickness) + 2.5*extThickness; | |
2418 | } | |
2419 | x += 0.5*(extHeight - extThickness) - 2.*extThickness; | |
2420 | TGeoTranslation *trExt3 = new TGeoTranslation(x, y, z); | |
2421 | container->AddNode(ext1, 0, trExt1); | |
2422 | container->AddNode(ext2, 0, trExt2); | |
2423 | container->AddNode(ext3, 0, trExt3); | |
d0048cec | 2424 | |
54c9a3d9 | 2425 | sizes[3] = yRef + pt1000Y; |
2426 | sizes[4] = zRef + pt1000Z[2]; | |
2427 | sizes[5] = zRef + pt1000Z[7]; | |
d0048cec | 2428 | |
54c9a3d9 | 2429 | return container; |
592651e2 | 2430 | } |
7f69c251 | 2431 | |
2432 | //______________________________________________________________________ | |
44d18d38 | 2433 | TList* AliITSv11GeometrySPD::CreateConeModule(Bool_t sideC, const Double_t angrot, |
96eb8210 | 2434 | TGeoManager *mgr) const |
7f69c251 | 2435 | { |
96eb8210 | 2436 | // |
2437 | // Creates all services modules and places them in a TList | |
2438 | // angrot is the rotation angle (passed as an argument to avoid | |
2439 | // defining the same quantity in two different places) | |
2440 | // | |
45c52bb2 | 2441 | // Created: ?? ??? 2008 A. Pulvirenti |
2442 | // Updated: 03 May 2010 M. Sitta | |
2443 | // Updated: 20 Jun 2010 A. Pulvirenti Optical patch panels | |
2444 | // Updated: 22 Jun 2010 M. Sitta Fiber cables | |
c890eba4 | 2445 | // Updated: 04 Jul 2010 M. Sitta Water cooling |
44d18d38 | 2446 | // Updated: 08 Jul 2010 A. Pulvirenti Air cooling on Side C |
96eb8210 | 2447 | // |
2448 | ||
7f69c251 | 2449 | TGeoMedium *medInox = GetMedium("INOX$",mgr); |
45c52bb2 | 2450 | //TGeoMedium *medExt = GetMedium("SDDKAPTON (POLYCH2)$", mgr); |
2451 | TGeoMedium *medExtB = GetMedium("SPD-BUS CU KAPTON$", mgr); | |
2452 | TGeoMedium *medExtM = GetMedium("SPD-MCM CU KAPTON$", mgr); | |
3ffa185f | 2453 | TGeoMedium *medPlate = GetMedium("SPD C (M55J)$", mgr); |
96eb8210 | 2454 | TGeoMedium *medFreon = GetMedium("Freon$", mgr); |
2455 | TGeoMedium *medGas = GetMedium("GASEOUS FREON$", mgr); | |
45c52bb2 | 2456 | TGeoMedium *medFibs = GetMedium("SDD OPTICFIB$",mgr); |
c890eba4 | 2457 | TGeoMedium *medCopper= GetMedium("COPPER$",mgr); |
44d18d38 | 2458 | TGeoMedium *medPVC = GetMedium("PVC$",mgr); |
d0048cec | 2459 | |
3ffa185f | 2460 | Double_t extThickness = fgkmm * 0.25; |
2461 | Double_t ext1Length = fgkmm * (26.7 - 10.0); | |
96eb8210 | 2462 | // Double_t ext2Length = fgkmm * (285.0 - ext1Length + extThickness); |
2463 | Double_t ext2Length = fgkmm * 285.0 - ext1Length + extThickness; | |
d0048cec | 2464 | |
96eb8210 | 2465 | const Double_t kCableThickness = 1.5 *fgkmm; |
2466 | Double_t cableL1 = 340.0 * fgkmm - extThickness - ext1Length - ext2Length; | |
2467 | Double_t cableL2 = 300.0 * fgkmm; | |
7f69c251 | 2468 | //Double_t cableL3 = 570.0 * fgkmm; |
2469 | Double_t cableL3 = 57.0 * fgkmm; | |
2470 | Double_t cableW1 = 11.0 * fgkmm; | |
2471 | Double_t cableW2 = 30.0 * fgkmm; | |
2472 | Double_t cableW3 = 50.0 * fgkmm; | |
d0048cec | 2473 | |
96eb8210 | 2474 | const Double_t kMCMLength = cableL1 + cableL2 + cableL3; |
2475 | const Double_t kMCMWidth = cableW1; | |
2476 | const Double_t kMCMThickness = 1.2 *fgkmm; | |
d0048cec | 2477 | |
96eb8210 | 2478 | const Double_t kPlateLength = 200.0 *fgkmm; |
2479 | const Double_t kPlateWidth = 50.0 *fgkmm; | |
2480 | const Double_t kPlateThickness = 5.0 *fgkmm; | |
2481 | ||
45c52bb2 | 2482 | const Double_t kConeTubeRmin = 2.0 *fgkmm; |
2483 | const Double_t kConeTubeRmax = 3.0 *fgkmm; | |
96eb8210 | 2484 | |
45c52bb2 | 2485 | const Double_t kHorizTubeLen = 150.0 *fgkmm; |
4c8afd2e | 2486 | const Double_t kYtoHalfStave = 9.5 *fgkmm; |
c890eba4 | 2487 | |
2488 | const Double_t kWaterCoolRMax = 2.6 *fgkmm; | |
2489 | const Double_t kWaterCoolThick = 0.04 *fgkmm; | |
2490 | const Double_t kWaterCoolLen = 250.0 *fgkmm; | |
2491 | const Double_t kWCPlateThick = 0.5 *fgkmm; | |
2492 | const Double_t kWCPlateWide = 33.0 *fgkmm; | |
2493 | const Double_t kWCPlateLen = 230.0 *fgkmm; | |
2494 | const Double_t kWCFittingRext1 = 2.4 *fgkmm; | |
2495 | const Double_t kWCFittingRext2 = 3.7 *fgkmm; | |
2496 | const Double_t kWCFittingRint1 = 1.9 *fgkmm; | |
2497 | const Double_t kWCFittingRint2 = kWaterCoolRMax; | |
2498 | const Double_t kWCFittingLen1 = 7.0 *fgkmm; | |
2499 | const Double_t kWCFittingLen2 = 8.0 *fgkmm; | |
44d18d38 | 2500 | |
2501 | const Double_t kCollWidth = 40.0 *fgkmm; | |
2502 | const Double_t kCollLength = 60.0 *fgkmm; | |
2503 | const Double_t kCollThickness = 10.0 *fgkmm; | |
2504 | const Double_t kCollTubeThick = 1.0 *fgkmm; | |
2505 | const Double_t kCollTubeRadius = 7.0 *fgkmm; | |
2506 | const Double_t kCollTubeLength = 190.0 *fgkmm; | |
45c52bb2 | 2507 | |
2508 | const Double_t kOptFibDiamet = 4.5 *fgkmm; | |
d0048cec | 2509 | |
7f69c251 | 2510 | Double_t x[12], y[12]; |
96eb8210 | 2511 | Double_t xloc, yloc, zloc; |
2512 | ||
2513 | Int_t kPurple = 6; // Purple (Root does not define it) | |
2514 | ||
c890eba4 | 2515 | TGeoVolumeAssembly* container[5]; |
96eb8210 | 2516 | container[0] = new TGeoVolumeAssembly("ITSSPDConeModule"); |
2517 | container[1] = new TGeoVolumeAssembly("ITSSPDCoolingModuleSideA"); | |
2518 | container[2] = new TGeoVolumeAssembly("ITSSPDCoolingModuleSideC"); | |
45c52bb2 | 2519 | container[3] = new TGeoVolumeAssembly("ITSSPDPatchPanelModule"); |
c890eba4 | 2520 | container[4] = new TGeoVolumeAssembly("ITSSPDWaterCooling"); |
d0048cec | 2521 | |
96eb8210 | 2522 | // The extender on the cone as a Xtru |
2523 | x[0] = 0.0; | |
7f69c251 | 2524 | y[0] = 0.0 + 0.5 * cableW1; |
d0048cec | 2525 | |
7f69c251 | 2526 | x[1] = x[0] + cableL1 - 0.5*(cableW2 - cableW1); |
2527 | y[1] = y[0]; | |
d0048cec | 2528 | |
2529 | x[2] = x[0] + cableL1; | |
7f69c251 | 2530 | y[2] = y[1] + 0.5*(cableW2 - cableW1); |
d0048cec | 2531 | |
7f69c251 | 2532 | x[3] = x[2] + cableL2; |
2533 | y[3] = y[2]; | |
d0048cec | 2534 | |
7f69c251 | 2535 | x[4] = x[3] + 0.5*(cableW3 - cableW2); |
2536 | y[4] = y[3] + 0.5*(cableW3 - cableW2); | |
d0048cec | 2537 | |
7f69c251 | 2538 | x[5] = x[4] + cableL3 - 0.5*(cableW3 - cableW2); |
2539 | y[5] = y[4]; | |
d0048cec | 2540 | |
7f69c251 | 2541 | for (Int_t i = 6; i < 12; i++) { |
2542 | x[i] = x[11 - i]; | |
2543 | y[i] = -y[11 - i]; | |
2544 | } | |
d0048cec | 2545 | |
7f69c251 | 2546 | TGeoXtru *shCable = new TGeoXtru(2); |
2547 | shCable->DefinePolygon(12, x, y); | |
96eb8210 | 2548 | shCable->DefineSection(0, 0.0); |
2549 | shCable->DefineSection(1, kCableThickness); | |
d0048cec | 2550 | |
45c52bb2 | 2551 | TGeoVolume *volCable = new TGeoVolume("ITSSPDExtender", shCable, medExtB); |
7f69c251 | 2552 | volCable->SetLineColor(kGreen); |
d0048cec | 2553 | |
96eb8210 | 2554 | // The MCM extender on the cone as a Xtru |
2555 | TGeoBBox *shMCMExt = new TGeoBBox(0.5*kMCMLength, | |
2556 | 0.5*kMCMWidth, | |
2557 | 0.5*kMCMThickness); | |
d0048cec | 2558 | |
96eb8210 | 2559 | TGeoVolume *volMCMExt = new TGeoVolume("ITSSPDExtenderMCM", |
45c52bb2 | 2560 | shMCMExt, medExtM); |
7f69c251 | 2561 | volMCMExt->SetLineColor(kGreen+3); |
d0048cec | 2562 | |
96eb8210 | 2563 | // The support plate on the cone as a composite shape |
2564 | Double_t thickness = kCableThickness + kMCMThickness; | |
2565 | TGeoBBox *shOut = new TGeoBBox("ITSSPD_shape_plateout", | |
2566 | 0.5*kPlateLength, | |
2567 | 0.5*kPlateWidth, | |
2568 | 0.5*kPlateThickness); | |
2569 | TGeoBBox *shIn = new TGeoBBox("ITSSPD_shape_platein" , | |
2570 | 0.5*kPlateLength, | |
2571 | 0.5*cableW2, | |
2572 | 0.5*thickness); | |
2573 | Char_t string[255]; | |
2574 | sprintf(string, "%s-%s", shOut->GetName(), shIn->GetName()); | |
2575 | TGeoCompositeShape *shPlate = new TGeoCompositeShape("ITSSPDPlate_shape", | |
2576 | string); | |
d0048cec | 2577 | |
96eb8210 | 2578 | TGeoVolume *volPlate = new TGeoVolume("ITSSPDPlate", |
2579 | shPlate, medPlate); | |
2580 | volPlate->SetLineColor(kRed); | |
44d18d38 | 2581 | |
2582 | // The air cooling tubes | |
2583 | TGeoBBox *shCollBox = new TGeoBBox("ITSSPD_shape_collector_box", 0.5*kCollLength, 0.5*kCollWidth, 0.5*kCollThickness); | |
2584 | TGeoTube *shCollTube = new TGeoTube("ITSSPD_shape_collector_tube",kCollTubeRadius - kCollTubeThick, kCollTubeRadius, 0.5*kCollTubeLength); | |
2585 | TGeoVolume *volCollBox = new TGeoVolume("ITSSPDCollectorBox", shCollBox, medPVC); | |
2586 | TGeoVolume *volCollTube = new TGeoVolume("ITSSPDCollectorTube", shCollTube, medPVC); | |
2587 | volCollBox->SetLineColor(kAzure); | |
2588 | volCollTube->SetLineColor(kAzure); | |
d0048cec | 2589 | |
96eb8210 | 2590 | // The cooling tube on the cone as a Ctub |
2591 | Double_t tubeLength = shCable->GetX(5) - shCable->GetX(0) + kYtoHalfStave; | |
2592 | TGeoCtub *shTube = new TGeoCtub(0, kConeTubeRmax, 0.5*tubeLength, 0, 360, | |
2593 | 0, SinD(angrot/2), -CosD(angrot/2), | |
2594 | 0, 0, 1); | |
2595 | ||
2596 | TGeoVolume *volTubeA = new TGeoVolume("ITSSPDCoolingTubeOnConeA", | |
2597 | shTube, medInox); | |
2598 | volTubeA->SetLineColor(kGray); | |
2599 | ||
2600 | TGeoVolume *volTubeC = new TGeoVolume("ITSSPDCoolingTubeOnConeC", | |
2601 | shTube, medInox); | |
2602 | volTubeC->SetLineColor(kGray); | |
2603 | ||
2604 | // The freon in the cooling tubes on the cone as a Ctub | |
2605 | TGeoCtub *shFreon = new TGeoCtub(0, kConeTubeRmin, 0.5*tubeLength, 0, 360, | |
2606 | 0, SinD(angrot/2), -CosD(angrot/2), | |
2607 | 0, 0, 1); | |
2608 | ||
2609 | TGeoVolume *volFreon = new TGeoVolume("ITSSPDCoolingFreonOnCone", | |
2610 | shFreon, medFreon); | |
2611 | volFreon->SetLineColor(kPurple); | |
2612 | ||
2613 | TGeoVolume *volGasFr = new TGeoVolume("ITSSPDCoolingFreonGasOnCone", | |
2614 | shFreon, medGas); | |
2615 | volGasFr->SetLineColor(kPurple); | |
2616 | ||
2617 | // The cooling tube inside the cylinder as a Ctub | |
2618 | TGeoCtub *shCylTub = new TGeoCtub(0, kConeTubeRmax, | |
2619 | 0.5*kHorizTubeLen, 0, 360, | |
2620 | 0, 0, -1, | |
2621 | 0, SinD(angrot/2), CosD(angrot/2)); | |
2622 | ||
2623 | TGeoVolume *volCylTubA = new TGeoVolume("ITSSPDCoolingTubeOnCylA", | |
2624 | shCylTub, medInox); | |
2625 | volCylTubA->SetLineColor(kGray); | |
2626 | ||
2627 | TGeoVolume *volCylTubC = new TGeoVolume("ITSSPDCoolingTubeOnCylC", | |
2628 | shCylTub, medInox); | |
2629 | volCylTubC->SetLineColor(kGray); | |
2630 | ||
2631 | // The freon in the cooling tubes in the cylinder as a Ctub | |
2632 | TGeoCtub *shCylFr = new TGeoCtub(0, kConeTubeRmin, | |
2633 | 0.5*kHorizTubeLen, 0, 360, | |
2634 | 0, 0, -1, | |
2635 | 0, SinD(angrot/2), CosD(angrot/2)); | |
2636 | ||
2637 | TGeoVolume *volCylFr = new TGeoVolume("ITSSPDCoolingFreonOnCyl", | |
2638 | shCylFr, medFreon); | |
2639 | volCylFr->SetLineColor(kPurple); | |
2640 | ||
2641 | TGeoVolume *volCylGasFr = new TGeoVolume("ITSSPDCoolingFreonGasOnCyl", | |
2642 | shCylFr, medGas); | |
2643 | volCylGasFr->SetLineColor(kPurple); | |
2644 | ||
45c52bb2 | 2645 | // The optical fibers bundle on the cone as a Tube |
2646 | Double_t optLength = shCable->GetX(5) - shCable->GetX(0) + kYtoHalfStave; | |
2647 | TGeoTube *shOptFibs = new TGeoTube(0., 0.5*kOptFibDiamet, 0.5*optLength); | |
2648 | ||
2649 | TGeoVolume *volOptFibs = new TGeoVolume("ITSSPDOpticalFibersOnCone", | |
2650 | shOptFibs, medFibs); | |
2651 | volOptFibs->SetLineColor(kOrange); | |
2652 | ||
2653 | // The optical patch panels | |
2654 | TArrayD psizes; | |
2655 | TGeoVolume *volPatch = CreatePatchPanel(psizes, mgr); | |
2656 | ||
c890eba4 | 2657 | // The water cooling tube as a Tube |
2658 | TGeoTube *shWatCool = new TGeoTube(kWaterCoolRMax-kWaterCoolThick, | |
2659 | kWaterCoolRMax, kWaterCoolLen/2); | |
2660 | ||
2661 | TGeoVolume *volWatCool = new TGeoVolume("ITSSPDWaterCoolingOnCone", | |
2662 | shWatCool, medInox); | |
2663 | volWatCool->SetLineColor(kGray); | |
2664 | ||
2665 | // The support plate for the water tubes: a Tubs and a BBox | |
2666 | TGeoTubeSeg *shWCPltT = new TGeoTubeSeg(kWaterCoolRMax, | |
2667 | kWaterCoolRMax+kWCPlateThick, | |
2668 | kWCPlateLen/2, 180., 360.); | |
2669 | ||
2670 | Double_t plateBoxWide = (kWCPlateWide - 2*kWaterCoolRMax)/2; | |
2671 | TGeoBBox *shWCPltB = new TGeoBBox(plateBoxWide/2, | |
2672 | kWCPlateThick/2, | |
2673 | kWCPlateLen/2); | |
2674 | ||
2675 | TGeoVolume *volWCPltT = new TGeoVolume("ITSSPDWaterCoolingTubsPlate", | |
2676 | shWCPltT, medPlate); | |
2677 | volWCPltT->SetLineColor(kRed); | |
2678 | ||
2679 | TGeoVolume *volWCPltB = new TGeoVolume("ITSSPDWaterCoolingBoxPlate", | |
2680 | shWCPltB, medPlate); | |
2681 | volWCPltB->SetLineColor(kRed); | |
2682 | ||
2683 | // The fitting for the water cooling tube: a Pcon | |
2684 | TGeoPcon *shFitt = new TGeoPcon(0., 360., 4); | |
2685 | shFitt->Z(0) = -kWCFittingLen1; | |
2686 | shFitt->Rmin(0) = kWCFittingRint1; | |
2687 | shFitt->Rmax(0) = kWCFittingRext1; | |
2688 | ||
2689 | shFitt->Z(1) = 0; | |
2690 | shFitt->Rmin(1) = kWCFittingRint1; | |
2691 | shFitt->Rmax(1) = kWCFittingRext1; | |
2692 | ||
2693 | shFitt->Z(2) = 0; | |
2694 | shFitt->Rmin(2) = kWCFittingRint2; | |
2695 | shFitt->Rmax(2) = kWCFittingRext2; | |
2696 | ||
2697 | shFitt->Z(3) = kWCFittingLen2; | |
2698 | shFitt->Rmin(3) = kWCFittingRint2; | |
2699 | shFitt->Rmax(3) = kWCFittingRext2; | |
2700 | ||
2701 | TGeoVolume *volFitt = new TGeoVolume("ITSSPDWaterCoolingFitting", | |
2702 | shFitt, medCopper); | |
2703 | volFitt->SetLineColor(kOrange); | |
2704 | ||
96eb8210 | 2705 | // Now place everything in the containers |
2706 | volTubeA->AddNode(volGasFr, 1, 0); | |
2707 | volTubeC->AddNode(volFreon, 1, 0); | |
2708 | ||
2709 | volCylTubA->AddNode(volCylGasFr, 1, 0); | |
2710 | volCylTubC->AddNode(volCylFr , 1, 0); | |
2711 | ||
2712 | container[0]->AddNode(volCable, 1, 0); | |
2713 | ||
2714 | xloc = shMCMExt->GetDX(); | |
2715 | zloc = shMCMExt->GetDZ(); | |
2716 | container[0]->AddNode(volMCMExt, 1, | |
2717 | new TGeoTranslation( xloc, 0.,-zloc)); | |
2718 | ||
2719 | xloc = shMCMExt->GetDX(); | |
2720 | zloc = shCable->GetZ(1)/2 - shMCMExt->GetDZ(); | |
2721 | container[0]->AddNode(volPlate, 1, | |
2722 | new TGeoTranslation( xloc, 0., zloc)); | |
2723 | ||
45c52bb2 | 2724 | TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity); |
2725 | rot2->SetName("rotPatch"); | |
2726 | rot2->RotateX(90.0); | |
2727 | rot2->RotateY(163.0); | |
2728 | //rot2->RotateZ(132.5); | |
2729 | ||
44d18d38 | 2730 | // add collectors only on side C |
2731 | if (sideC) | |
2732 | { | |
2733 | TGeoTranslation *trCollBox = new TGeoTranslation(xloc - 0.5*kPlateLength + 0.5*kCollLength, 0.0, +0.5*(kPlateThickness+1.1*kCollThickness)); | |
2734 | TGeoRotation *rotCollTube = new TGeoRotation(*gGeoIdentity); | |
2735 | rotCollTube->RotateY(90.0); | |
2736 | TGeoCombiTrans *trCollTube = new TGeoCombiTrans(xloc + 0.5*kCollTubeLength - (0.5*kPlateLength - kCollLength), 0.0, +0.5*(kPlateThickness+2.0*kCollTubeRadius+kCollTubeThick), rotCollTube); | |
2737 | container[0]->AddNode(volCollBox, 1, trCollBox); | |
2738 | container[0]->AddNode(volCollTube, 1, trCollTube); | |
2739 | } | |
2740 | ||
45c52bb2 | 2741 | Double_t dxPatch = 2.9; |
2742 | Double_t dzPatch = 2.8; | |
2743 | TGeoCombiTrans *tr2 = new TGeoCombiTrans(1.7*ext2Length - dxPatch, 0.0, dzPatch, rot2); | |
2744 | container[3]->AddNode(volPatch, 0, tr2); | |
2745 | ||
96eb8210 | 2746 | xloc = shTube->GetRmax(); |
2747 | yloc = shTube->GetRmax(); | |
2748 | zloc = shTube->GetDz() - shTube->GetRmax() - kYtoHalfStave; | |
2749 | container[1]->AddNode(volTubeA, 1, | |
2750 | new TGeoTranslation(-xloc, -yloc, zloc)); | |
2751 | container[2]->AddNode(volTubeC, 1, | |
2752 | new TGeoTranslation(-xloc, -yloc, zloc)); | |
2753 | ||
2754 | xloc = shTube->GetRmax(); | |
2755 | yloc = (shCylTub->GetDz())*SinD(angrot) - shTube->GetRmax(); | |
2756 | zloc = (shCylTub->GetDz())*CosD(angrot) + shTube->GetRmax() +kYtoHalfStave; | |
2757 | container[1]->AddNode(volCylTubA, 1, | |
2758 | new TGeoCombiTrans(-xloc, yloc,-zloc, | |
2759 | new TGeoRotation("",0.,angrot,0.))); | |
2760 | container[2]->AddNode(volCylTubC, 1, | |
2761 | new TGeoCombiTrans(-xloc, yloc,-zloc, | |
2762 | new TGeoRotation("",0.,angrot,0.))); | |
2763 | ||
45c52bb2 | 2764 | xloc = shOptFibs->GetRmax() + 2*shTube->GetRmax(); |
c890eba4 | 2765 | yloc = 1.6*shOptFibs->GetRmax(); |
45c52bb2 | 2766 | zloc = shOptFibs->GetDZ() - shTube->GetRmax() - kYtoHalfStave; |
2767 | container[1]->AddNode(volOptFibs, 1, | |
2768 | new TGeoTranslation(-xloc, -yloc, zloc)); | |
2769 | container[2]->AddNode(volOptFibs, 1, | |
2770 | new TGeoTranslation(-xloc, -yloc, zloc)); | |
2771 | ||
c890eba4 | 2772 | yloc = shWatCool->GetRmax(); |
2773 | zloc = (2*shTube->GetDz() - shTube->GetRmax() - kYtoHalfStave)/2; | |
2774 | container[4]->AddNode(volWatCool, 1, | |
2775 | new TGeoTranslation(0, -yloc, zloc)); | |
2776 | ||
2777 | container[4]->AddNode(volWCPltT, 1, | |
2778 | new TGeoTranslation(0, -yloc, zloc)); | |
2779 | ||
2780 | yloc -= shWCPltB->GetDY(); | |
2781 | xloc = shWatCool->GetRmax() + shWCPltB->GetDX(); | |
2782 | container[4]->AddNode(volWCPltB, 1, | |
2783 | new TGeoTranslation( xloc, -yloc, zloc)); | |
2784 | container[4]->AddNode(volWCPltB, 2, | |
2785 | new TGeoTranslation(-xloc, -yloc, zloc)); | |
2786 | ||
2787 | yloc = shWatCool->GetRmax(); | |
2788 | zloc -= shWatCool->GetDz(); | |
2789 | container[4]->AddNode(volFitt, 1, | |
2790 | new TGeoTranslation(0, -yloc, zloc)); | |
2791 | ||
96eb8210 | 2792 | // Finally create the list of assemblies and return it to the caller |
0b9c8a10 | 2793 | TList* conemodulelist = new TList(); |
0b9c8a10 | 2794 | conemodulelist->Add(container[0]); |
2795 | conemodulelist->Add(container[1]); | |
96eb8210 | 2796 | conemodulelist->Add(container[2]); |
45c52bb2 | 2797 | conemodulelist->Add(container[3]); |
c890eba4 | 2798 | conemodulelist->Add(container[4]); |
d0048cec | 2799 | |
0b9c8a10 | 2800 | return conemodulelist; |
7f69c251 | 2801 | } |
2802 | ||
2803 | //______________________________________________________________________ | |
2804 | void AliITSv11GeometrySPD::CreateCones(TGeoVolume *moth) const | |
2805 | { | |
96eb8210 | 2806 | // |
2807 | // Places all services modules in the mother reference system | |
2808 | // | |
2809 | // Created: ?? ??? 2008 Alberto Pulvirenti | |
2810 | // Updated: 03 May 2010 Mario Sitta | |
c890eba4 | 2811 | // Updated: 04 Jul 2010 Mario Sitta Water cooling |
96eb8210 | 2812 | // |
d0048cec | 2813 | |
96eb8210 | 2814 | const Int_t kNumberOfModules = 10; |
2815 | ||
2816 | const Double_t kInnerRadius = 80.775*fgkmm; | |
2817 | const Double_t kZTrans = 452.000*fgkmm; | |
2818 | const Double_t kAlphaRot = 46.500*fgkDegree; | |
c890eba4 | 2819 | const Double_t kAlphaSpaceCool = 9.200*fgkDegree; |
96eb8210 | 2820 | |
44d18d38 | 2821 | TList* modulelistA = CreateConeModule(kFALSE, 90-kAlphaRot); |
2822 | TList* modulelistC = CreateConeModule(kTRUE , 90-kAlphaRot); | |
2823 | TList* &modulelist = modulelistC; | |
2824 | TGeoVolumeAssembly* module, *moduleA, *moduleC; | |
d0048cec | 2825 | |
96eb8210 | 2826 | Double_t xloc, yloc, zloc; |
2827 | ||
7f69c251 | 2828 | //Double_t angle[10] = {18., 54., 90., 126., 162., -18., -54., -90., -126., -162.}; |
45c52bb2 | 2829 | // anglem for cone modules (cables and cooling tubes) |
2830 | // anglep for pathc panels | |
96eb8210 | 2831 | Double_t anglem[10] = {18., 54., 90., 126., 162., 198., 234., 270., 306., 342.}; |
45c52bb2 | 2832 | Double_t anglep[10] = {18., 62., 90., 115., 162., 198., 242., 270., 295., 342.}; |
96eb8210 | 2833 | // Double_t angle1m[10] = {23., 53., 90., 127., 157., 203.0, 233.0, 270.0, 307.0, 337.0}; |
2834 | // Double_t angle2m[10] = {18., 53., 90., 126., 162., 198.0, 233.0, 270.0, 309.0, 342.0}; | |
2835 | // Double_t angle1c[10] = {23., 53., 90., 124., 157., 203.0, 233.0, 270.0, 304.0, 337.0}; | |
2836 | // Double_t angle2c[10] = {18., 44., 90., 126., 162., 198.0, 223.0, 270.0, 309.0, 342.0}; | |
0b9c8a10 | 2837 | |
2838 | // First add the cables | |
44d18d38 | 2839 | moduleA = (TGeoVolumeAssembly*)modulelistA->At(0); |
2840 | moduleC = (TGeoVolumeAssembly*)modulelistC->At(0); | |
96eb8210 | 2841 | for (Int_t i = 0; i < kNumberOfModules; i++) { |
7f69c251 | 2842 | TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity); |
96eb8210 | 2843 | rot1->RotateY(-kAlphaRot); |
2844 | rot1->RotateZ(anglem[i]); | |
2845 | xloc = kInnerRadius*CosD(anglem[i]); | |
2846 | yloc = kInnerRadius*SinD(anglem[i]); | |
2847 | zloc = kZTrans; | |
44d18d38 | 2848 | moth->AddNode(moduleA, 2*i+2, |
96eb8210 | 2849 | new TGeoCombiTrans( xloc, yloc, zloc, rot1)); |
2850 | ||
7f69c251 | 2851 | TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity); |
96eb8210 | 2852 | rot2->RotateY(180.-kAlphaRot); |
2853 | rot2->RotateZ(anglem[i]); | |
2854 | xloc = kInnerRadius*CosD(anglem[i]); | |
2855 | yloc = kInnerRadius*SinD(anglem[i]); | |
2856 | zloc = kZTrans; | |
44d18d38 | 2857 | moth->AddNode(moduleC, 2*i+1, |
96eb8210 | 2858 | new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2)); |
0b9c8a10 | 2859 | } |
2860 | ||
96eb8210 | 2861 | // Then the cooling tubes on Side A |
0b9c8a10 | 2862 | module = (TGeoVolumeAssembly*)modulelist->At(1); |
96eb8210 | 2863 | Double_t anglec; |
2864 | for (Int_t i = 0; i < kNumberOfModules; i++) { | |
2865 | anglec = anglem[i] + kAlphaSpaceCool; | |
0b9c8a10 | 2866 | TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity); |
c890eba4 | 2867 | rot1->RotateX(-90.0+kAlphaRot-0.04); // 0.04 fixes small overlap |
2868 | rot1->RotateZ(-90.0+anglec); | |
96eb8210 | 2869 | xloc = kInnerRadius*CosD(anglec); |
2870 | yloc = kInnerRadius*SinD(anglec); | |
c890eba4 | 2871 | zloc = kZTrans+0.162; // 0.162 fixes small overlap |
2872 | moth->AddNode(module, 2*i+2, | |
96eb8210 | 2873 | new TGeoCombiTrans( xloc, yloc, zloc, rot1)); |
2874 | } | |
2875 | ||
45c52bb2 | 2876 | // And the cooling tubes on Side C |
96eb8210 | 2877 | module = (TGeoVolumeAssembly*)modulelist->At(2); |
2878 | for (Int_t i = 0; i < kNumberOfModules; i++) { | |
2879 | anglec = anglem[i] - kAlphaSpaceCool; | |
0b9c8a10 | 2880 | TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity); |
c890eba4 | 2881 | rot2->RotateX(-90.0+kAlphaRot-0.04); // 0.04 fixes small overlap |
96eb8210 | 2882 | rot2->RotateY(180.); |
c890eba4 | 2883 | rot2->RotateZ(90.0+anglec); |
96eb8210 | 2884 | xloc = kInnerRadius*CosD(anglec); |
2885 | yloc = kInnerRadius*SinD(anglec); | |
c890eba4 | 2886 | zloc = kZTrans+0.162; // 0.162 fixes small overlap |
96eb8210 | 2887 | moth->AddNode(module, 2*i+1, |
2888 | new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2)); | |
7f69c251 | 2889 | } |
96eb8210 | 2890 | |
c890eba4 | 2891 | // Then the water cooling tubes |
2892 | module = (TGeoVolumeAssembly*)modulelist->At(4); | |
2893 | for (Int_t i = 1; i < kNumberOfModules; i++) { // i = 1,2,...,9 | |
2894 | if (i != 5) { // There is no tube in this position | |
2895 | anglec = (anglem[i-1]+anglem[i])/2; | |
2896 | TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity); | |
2897 | rot1->RotateX(-90.0+kAlphaRot); | |
2898 | rot1->RotateZ(-90.0+anglec); | |
2899 | xloc = kInnerRadius*CosD(anglec); | |
2900 | yloc = kInnerRadius*SinD(anglec); | |
2901 | zloc = kZTrans; | |
2902 | moth->AddNode(module, 2*i+2, | |
2903 | new TGeoCombiTrans( xloc, yloc, zloc, rot1)); | |
2904 | ||
2905 | TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity); | |
2906 | rot2->RotateX(-90.0+kAlphaRot); | |
2907 | rot2->RotateY(180.); | |
2908 | rot2->RotateZ(90.0+anglec); | |
2909 | xloc = kInnerRadius*CosD(anglec); | |
2910 | yloc = kInnerRadius*SinD(anglec); | |
2911 | zloc = kZTrans; | |
2912 | moth->AddNode(module, 2*i+1, | |
2913 | new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2)); | |
2914 | } | |
2915 | } | |
2916 | ||
45c52bb2 | 2917 | // Finally the optical patch panels |
2918 | module = (TGeoVolumeAssembly*)modulelist->At(3); | |
2919 | for (Int_t i = 0; i < kNumberOfModules; i++) { | |
2920 | TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity); | |
2921 | rot1->RotateY(-kAlphaRot); | |
2922 | rot1->RotateZ(anglep[i]); | |
2923 | xloc = kInnerRadius*CosD(anglep[i]); | |
2924 | yloc = kInnerRadius*SinD(anglep[i]); | |
2925 | zloc = kZTrans; | |
c890eba4 | 2926 | moth->AddNode(module, 2*i+2, |
45c52bb2 | 2927 | new TGeoCombiTrans( xloc, yloc, zloc, rot1)); |
2928 | ||
2929 | TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity); | |
2930 | rot2->RotateY(180.-kAlphaRot); | |
2931 | rot2->RotateZ(anglep[i]); | |
2932 | xloc = kInnerRadius*CosD(anglep[i]); | |
2933 | yloc = kInnerRadius*SinD(anglep[i]); | |
2934 | zloc = kZTrans; | |
2935 | moth->AddNode(module, 2*i+1, | |
2936 | new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2)); | |
2937 | } | |
2938 | ||
7f69c251 | 2939 | } |
2940 | ||
c890eba4 | 2941 | |
54c9a3d9 | 2942 | //______________________________________________________________________ |
2943 | TGeoVolume* AliITSv11GeometrySPD::CreateExtender( | |
2944 | const Double_t *extenderParams, const TGeoMedium *extenderMedium, | |
2945 | TArrayD& sizes) const | |
bc3498f4 | 2946 | { |
54c9a3d9 | 2947 | // |
2948 | // ------------------ CREATE AN EXTENDER ------------------------ | |
2949 | // | |
2950 | // This function creates the following picture (in plane xOy) | |
2951 | // Should be useful for the definition of the pixel bus and MCM extenders | |
d0048cec | 2952 | // The origin corresponds to point 0 on the picture, at half-width |
2953 | // in Z direction | |
54c9a3d9 | 2954 | // |
2955 | // Y 7 6 5 | |
2956 | // ^ +---+---------------------+ | |
2957 | // | / | | |
2958 | // | / | | |
2959 | // 0------> X / +---------------------+ | |
2960 | // / / 3 4 | |
2961 | // / / | |
2962 | // 9 8 / / | |
2963 | // +-----------+ / | |
2964 | // | / | |
2965 | // | / | |
2966 | // ---> +-----------+---+ | |
2967 | // | 0 1 2 | |
2968 | // | | |
2969 | // origin (0,0,0) | |
2970 | // | |
2971 | // | |
2972 | // Takes 6 parameters in the following order : | |
2973 | // |--> par 0 : inner length [0-1] / [9-8] | |
2974 | // |--> par 1 : thickness ( = [0-9] / [4-5]) | |
2975 | // |--> par 2 : angle of the slope | |
2976 | // |--> par 3 : total height in local Y direction | |
2977 | // |--> par 4 : outer length [3-4] / [6-5] | |
2978 | // |--> par 5 : width in local Z direction | |
2979 | // | |
d0048cec | 2980 | Double_t slopeDeltaX = (extenderParams[3] - extenderParams[1] |
2981 | * TMath::Cos(extenderParams[2])) / | |
54c9a3d9 | 2982 | TMath::Tan(extenderParams[2]); |
2983 | Double_t extenderXtruX[10] = { | |
2984 | 0 , | |
2985 | extenderParams[0] , | |
d0048cec | 2986 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2]) , |
54c9a3d9 | 2987 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2])+ |
2988 | slopeDeltaX , | |
2989 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2])+ | |
d0048cec | 2990 | slopeDeltaX + extenderParams[4], |
54c9a3d9 | 2991 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2])+ |
d0048cec | 2992 | slopeDeltaX + extenderParams[4], |
54c9a3d9 | 2993 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2])+ |
d0048cec | 2994 | slopeDeltaX , |
54c9a3d9 | 2995 | extenderParams[0]+extenderParams[1]*TMath::Sin(extenderParams[2])+ |
2996 | slopeDeltaX - extenderParams[1] * TMath::Sin(extenderParams[2]) , | |
2997 | extenderParams[0] , | |
2998 | 0 | |
2999 | }; | |
3000 | Double_t extenderXtruY[10] = { | |
3001 | 0 , | |
3002 | 0 , | |
3003 | extenderParams[1] * (1-TMath::Cos(extenderParams[2])) , | |
3004 | extenderParams[3] - extenderParams[1] , | |
3005 | extenderParams[3] - extenderParams[1] , | |
3006 | extenderParams[3] , | |
3007 | extenderParams[3] , | |
3008 | extenderParams[3]-extenderParams[1]*(1-TMath::Cos(extenderParams[2])) , | |
3009 | extenderParams[1] , | |
3010 | extenderParams[1] | |
3011 | }; | |
592651e2 | 3012 | |
54c9a3d9 | 3013 | if (sizes.GetSize() != 3) sizes.Set(3); |
3014 | Double_t &thickness = sizes[0]; | |
3015 | Double_t &length = sizes[1]; | |
3016 | Double_t &width = sizes[2]; | |
3017 | ||
3018 | thickness = extenderParams[3]; | |
3019 | width = extenderParams[5]; | |
3020 | length = extenderParams[0]+extenderParams[1]* | |
3021 | TMath::Sin(extenderParams[2])+slopeDeltaX+extenderParams[4]; | |
3022 | ||
3023 | // creation of the volume | |
3024 | TGeoXtru *extenderXtru = new TGeoXtru(2); | |
3025 | TGeoVolume *extenderXtruVol = new TGeoVolume("ITSSPDextender",extenderXtru, | |
3026 | extenderMedium); | |
3027 | extenderXtru->DefinePolygon(10,extenderXtruX,extenderXtruY); | |
3028 | extenderXtru->DefineSection(0,-0.5*extenderParams[4]); | |
3029 | extenderXtru->DefineSection(1, 0.5*extenderParams[4]); | |
3030 | return extenderXtruVol; | |
3031 | } | |
c890eba4 | 3032 | |
54c9a3d9 | 3033 | //______________________________________________________________________ |
3034 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateHalfStave(Bool_t isRight, | |
3035 | Int_t layer,Int_t idxCentral,Int_t idxSide,TArrayD &sizes,TGeoManager *mgr) | |
bc3498f4 | 3036 | { |
54c9a3d9 | 3037 | // |
d0048cec | 3038 | // Implementation of an half-stave, which depends on the side where |
3039 | // we are on the stave. The convention for "left" and "right" is the | |
3040 | // same as for the MCM. The return value is a TGeoAssembly which is | |
3041 | // structured in such a way that the origin of its local reference | |
54c9a3d9 | 3042 | // frame coincides with the origin of the whole stave. |
3043 | // The TArrayD passed by reference will contain details of the shape: | |
3044 | // - sizes[0] = thickness | |
3045 | // - sizes[1] = length | |
3046 | // - sizes[2] = width | |
3047 | // - sizes[3] = common 'x' position for eventual clips | |
3048 | // - sizes[4] = common 'y' position for eventual clips | |
3049 | // - sizes[5] = 'z' position of first clip | |
3050 | // - sizes[6] = 'z' position of second clip | |
3051 | // | |
3052 | ||
3053 | // ** CHECK ** | |
3054 | ||
3055 | // idxCentral and idxSide must be different | |
3056 | if (idxCentral == idxSide) { | |
3057 | AliInfo("Ladders must be inserted in half-stave with " | |
3058 | "different indexes."); | |
3059 | idxSide = idxCentral + 1; | |
3060 | AliInfo(Form("Central ladder will be inserted with index %d", | |
3061 | idxCentral)); | |
3062 | AliInfo(Form("Side ladder will be inserted with index %d",idxSide)); | |
3063 | } // end if | |
3064 | ||
3065 | // define the separations along Z direction between the objects | |
3066 | Double_t sepLadderLadder = fgkmm * 0.2; // sep. btw the 2 ladders | |
d0048cec | 3067 | Double_t sepLadderCenter = fgkmm * 0.4; // sep. btw the "central" ladder |
54c9a3d9 | 3068 | // and the Z=0 plane in stave ref. |
3069 | Double_t sepLadderMCM = fgkmm * 0.3; // sep. btw the "external" ladder | |
3070 | // and MCM | |
d0048cec | 3071 | Double_t sepBusCenter = fgkmm * 0.3; // sep. btw the bus central edge |
54c9a3d9 | 3072 | // and the Z=0 plane in stave ref. |
3073 | ||
3074 | // ** VOLUMES ** | |
3075 | ||
3076 | // grounding foil | |
3077 | TArrayD grndSize(3); | |
3078 | // This one line repalces the 3 bellow, BNS. | |
3079 | TGeoVolume *grndVol = CreateGroundingFoil(isRight, grndSize, mgr); | |
3080 | Double_t &grndThickness = grndSize[0]; | |
3081 | Double_t &grndLength = grndSize[1]; | |
3082 | ||
3083 | // ladder | |
3084 | TArrayD ladderSize(3); | |
3085 | TGeoVolume *ladder = CreateLadder(layer, ladderSize, mgr); | |
3086 | Double_t ladderThickness = ladderSize[0]; | |
3087 | Double_t ladderLength = ladderSize[1]; | |
3088 | Double_t ladderWidth = ladderSize[2]; | |
3089 | ||
3090 | // MCM | |
3091 | TArrayD mcmSize(3); | |
3092 | TGeoVolumeAssembly *mcm = CreateMCM(!isRight,mcmSize,mgr); | |
3093 | Double_t mcmThickness = mcmSize[0]; | |
3094 | Double_t mcmLength = mcmSize[1]; | |
3095 | Double_t mcmWidth = mcmSize[2]; | |
d0048cec | 3096 | |
54c9a3d9 | 3097 | // bus |
3098 | TArrayD busSize(6); | |
22726349 | 3099 | TGeoVolumeAssembly *bus = CreatePixelBus(isRight, layer, busSize, mgr); |
54c9a3d9 | 3100 | Double_t busThickness = busSize[0]; |
3101 | Double_t busLength = busSize[1]; | |
3102 | Double_t busWidth = busSize[2]; | |
3103 | ||
3104 | // glue between ladders and pixel bus | |
3105 | TGeoMedium *medLadGlue = GetMedium("EPOXY$", mgr); | |
3106 | Double_t ladGlueThickness = fgkmm * 0.1175 - fgkGapLadder; | |
3107 | TGeoVolume *ladderGlue = mgr->MakeBox("ITSSPDladderGlue",medLadGlue, | |
3108 | 0.5*ladGlueThickness, 0.5*busWidth, 0.5*busLength); | |
3109 | ladderGlue->SetLineColor(kYellow + 5); | |
3110 | ||
3111 | // create references for the whole object, as usual | |
3112 | sizes.Set(7); | |
3113 | Double_t &fullThickness = sizes[0]; | |
3114 | Double_t &fullLength = sizes[1]; | |
3115 | Double_t &fullWidth = sizes[2]; | |
d0048cec | 3116 | |
54c9a3d9 | 3117 | // compute the full size of the container |
3118 | fullLength = sepLadderCenter+2.0*ladderLength+sepLadderMCM+ | |
3119 | sepLadderLadder+mcmLength; | |
3120 | fullWidth = ladderWidth; | |
3121 | fullThickness = grndThickness + fgkGapLadder + mcmThickness + busThickness; | |
ed0e944d | 3122 | //cout << "HSTAVE FULL THICKNESS = " << fullThickness << endl; |
54c9a3d9 | 3123 | |
3124 | // ** MOVEMENTS ** | |
3125 | ||
3126 | // grounding foil (shifted only along thickness) | |
3127 | Double_t xGrnd = -0.5*fullThickness + 0.5*grndThickness; | |
3128 | Double_t zGrnd = -0.5*grndLength; | |
3129 | if (!isRight) zGrnd = -zGrnd; | |
3130 | TGeoTranslation *grndTrans = new TGeoTranslation(xGrnd, 0.0, zGrnd); | |
3131 | ||
3132 | // ladders (translations along thickness and length) | |
d0048cec | 3133 | // layers must be sorted going from the one at largest Z to the |
54c9a3d9 | 3134 | // one at smallest Z: |
3135 | // -|Zmax| ------> |Zmax| | |
3136 | // 3 2 1 0 | |
d0048cec | 3137 | // then, for layer 1 ladders they must be placed exactly this way, |
3138 | // and in layer 2 at the opposite. In order to remember the placements, | |
3139 | // we define as "inner" and "outer" ladder respectively the one close | |
54c9a3d9 | 3140 | // to barrel center, and the one closer to MCM, respectively. |
3141 | Double_t xLad, zLadIn, zLadOut; | |
3142 | xLad = xGrnd + 0.5*(grndThickness + ladderThickness) + | |
3143 | 0.01175 - fgkGapLadder; | |
3144 | zLadIn = -sepLadderCenter - 0.5*ladderLength; | |
3145 | zLadOut = zLadIn - sepLadderLadder - ladderLength; | |
3146 | if (!isRight) { | |
3147 | zLadIn = -zLadIn; | |
3148 | zLadOut = -zLadOut; | |
3149 | } // end if !isRight | |
3150 | TGeoRotation *rotLad = new TGeoRotation(*gGeoIdentity); | |
3151 | rotLad->RotateZ(90.0); | |
3152 | rotLad->RotateY(180.0); | |
3153 | Double_t sensWidth = fgkmm * 12.800; | |
3154 | Double_t chipWidth = fgkmm * 15.950; | |
3155 | Double_t guardRingWidth = fgkmm * 0.560; | |
3156 | Double_t ladderShift = 0.5 * (chipWidth - sensWidth - 2.0*guardRingWidth); | |
3157 | TGeoCombiTrans *trLadIn = new TGeoCombiTrans(xLad,ladderShift,zLadIn, | |
3158 | rotLad); | |
3159 | TGeoCombiTrans *trLadOut = new TGeoCombiTrans(xLad,ladderShift,zLadOut, | |
3160 | rotLad); | |
3161 | ||
d0048cec | 3162 | // MCM (length and thickness direction, placing at same level as the |
3163 | // ladder, which implies to recompute the position of center, because | |
3164 | // ladder and MCM have NOT the same thickness) the two copies of the | |
54c9a3d9 | 3165 | // MCM are placed at the same distance from the center, on both sides |
d0048cec | 3166 | Double_t xMCM = xGrnd + 0.5*grndThickness + 0.5*mcmThickness + |
54c9a3d9 | 3167 | 0.01175 - fgkGapLadder; |
3168 | Double_t yMCM = 0.5*(fullWidth - mcmWidth); | |
3169 | Double_t zMCM = zLadOut - 0.5*ladderLength - 0.5*mcmLength - sepLadderMCM; | |
d0048cec | 3170 | if (!isRight) zMCM = zLadOut + 0.5*ladderLength + 0.5*mcmLength + |
54c9a3d9 | 3171 | sepLadderMCM; |
3172 | ||
3173 | // create the correction rotations | |
3174 | TGeoRotation *rotMCM = new TGeoRotation(*gGeoIdentity); | |
3175 | rotMCM->RotateY(90.0); | |
3176 | TGeoCombiTrans *trMCM = new TGeoCombiTrans(xMCM, yMCM, zMCM, rotMCM); | |
3177 | ||
3178 | // glue between ladders and pixel bus | |
d0048cec | 3179 | Double_t xLadGlue = xLad + 0.5*ladderThickness + 0.01175 - |
54c9a3d9 | 3180 | fgkGapLadder + 0.5*ladGlueThickness; |
3181 | ||
3182 | // bus (length and thickness direction) | |
3183 | Double_t xBus = xLadGlue + 0.5*ladGlueThickness + 0.5*busThickness; | |
7708d5f3 | 3184 | Double_t yBus = 0.5*(fullWidth - busWidth) + 0.075; // Hardcode fix of a small overlap |
54c9a3d9 | 3185 | Double_t zBus = -0.5*busLength - sepBusCenter; |
3186 | if (!isRight) zBus = -zBus; | |
3187 | TGeoTranslation *trBus = new TGeoTranslation(xBus, yBus, zBus); | |
3188 | ||
3189 | TGeoTranslation *trLadGlue = new TGeoTranslation(xLadGlue, 0.0, zBus); | |
3190 | ||
3191 | // create the container | |
3192 | TGeoVolumeAssembly *container = 0; | |
3193 | if (idxCentral+idxSide==5) { | |
3194 | container = new TGeoVolumeAssembly("ITSSPDhalf-Stave1"); | |
3195 | } else { | |
3196 | container = new TGeoVolumeAssembly("ITSSPDhalf-Stave0"); | |
3197 | } // end if | |
3198 | ||
3199 | // add to container all objects | |
3200 | container->AddNode(grndVol, 1, grndTrans); | |
3201 | // ladders are inserted in different order to respect numbering scheme | |
3202 | // which is inverted when going from outer to inner layer | |
3203 | container->AddNode(ladder, idxCentral+1, trLadIn); | |
3204 | container->AddNode(ladder, idxSide+1, trLadOut); | |
3205 | container->AddNode(ladderGlue, 1, trLadGlue); | |
3206 | container->AddNode(mcm, 1, trMCM); | |
3207 | container->AddNode(bus, 1, trBus); | |
3208 | ||
3209 | // since the clips are placed in correspondence of two pt1000s, | |
3210 | // their position is computed here, but they are not added by default | |
3211 | // it will be the StavesInSector method which will decide to add them | |
3212 | // anyway, to recovery some size informations on the clip, it must be | |
3213 | // created | |
3214 | TArrayD clipSize; | |
3ffa185f | 3215 | // TGeoVolume *clipDummy = CreateClip(clipSize, kTRUE, mgr); |
54c9a3d9 | 3216 | CreateClip(clipSize, kTRUE, mgr); |
3217 | // define clip movements (width direction) | |
3218 | sizes[3] = xBus + 0.5*busThickness; | |
3219 | sizes[4] = 0.5 * (fullWidth - busWidth) - clipSize[6] - fgkmm*0.48; | |
3220 | sizes[5] = zBus + busSize[4]; | |
3221 | sizes[6] = zBus + busSize[5]; | |
3222 | ||
3223 | return container; | |
592651e2 | 3224 | } |
54c9a3d9 | 3225 | //______________________________________________________________________ |
3226 | TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateStave(Int_t layer, | |
3227 | TArrayD &sizes, TGeoManager *mgr) | |
7855ea93 | 3228 | { |
54c9a3d9 | 3229 | // |
3230 | // This method uses all other ones which create pieces of the stave | |
3231 | // and assemblies everything together, in order to return the whole | |
3232 | // stave implementation, which is returned as a TGeoVolumeAssembly, | |
3233 | // due to the presence of some parts which could generate fake overlaps | |
3234 | // when put on the sector. | |
3235 | // This assembly contains, going from bottom to top in the thickness | |
3236 | // direction: | |
d0048cec | 3237 | // - the complete grounding foil, defined by the "CreateGroundingFoil" |
3238 | // method which already joins some glue and real groudning foil | |
54c9a3d9 | 3239 | // layers for the whole stave (left + right); |
d0048cec | 3240 | // - 4 ladders, which are sorted according to the ALICE numbering |
54c9a3d9 | 3241 | // scheme, which depends on the layer we are building this stave for; |
3242 | // - 2 MCMs (a left and a right one); | |
3243 | // - 2 pixel buses (a left and a right one); | |
3244 | // --- | |
3245 | // Arguments: | |
d0048cec | 3246 | // - the layer number, which determines the displacement and naming |
54c9a3d9 | 3247 | // of sensitive volumes |
d0048cec | 3248 | // - a TArrayD passed by reference which will contain the size |
54c9a3d9 | 3249 | // of virtual box containing the stave |
3250 | // - the TGeoManager | |
3251 | // | |
3252 | ||
3253 | // create the container | |
3254 | TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form( | |
3255 | "ITSSPDlay%d-Stave",layer)); | |
3256 | // define the indexes of the ladders in order to have the correct order | |
d0048cec | 3257 | // keeping in mind that the staves will be inserted as they are on layer |
3258 | // 2, while they are rotated around their local Y axis when inserted | |
3259 | // on layer 1, so in this case they must be put in the "wrong" order | |
3260 | // to turn out to be right at the end. The convention is: | |
54c9a3d9 | 3261 | // -|Zmax| ------> |Zmax| |
3262 | // 3 2 1 0 | |
d0048cec | 3263 | // with respect to the "native" stave reference frame, "left" is in |
54c9a3d9 | 3264 | // the positive Z this leads the definition of these indexes: |
3265 | Int_t idxCentralL, idxSideL, idxCentralR, idxSideR; | |
3266 | ||
3267 | if (layer == 1) { | |
3268 | idxSideL = 3; | |
3269 | idxCentralL = 2; | |
3270 | idxCentralR = 1; | |
3271 | idxSideR = 0; | |
3272 | } else { | |
3273 | idxSideL = 0; | |
3274 | idxCentralL = 1; | |
3275 | idxCentralR = 2; | |
3276 | idxSideR = 3; | |
3277 | } // end if layer ==1 | |
d0048cec | 3278 | |
54c9a3d9 | 3279 | // create the two half-staves |
3280 | TArrayD sizeL, sizeR; | |
3281 | TGeoVolumeAssembly *hstaveL = CreateHalfStave(kFALSE, layer, idxCentralL, | |
3282 | idxSideL, sizeL,mgr); | |
3283 | TGeoVolumeAssembly *hstaveR = CreateHalfStave(kTRUE, layer, idxCentralR, | |
3284 | idxSideR, sizeR, mgr); | |
3285 | // copy the size to the stave's one | |
3286 | sizes.Set(9); | |
3287 | sizes[0] = sizeL[0]; | |
3288 | sizes[1] = sizeR[1] + sizeL[1]; | |
3289 | sizes[2] = sizeL[2]; | |
3290 | sizes[3] = sizeL[3]; | |
3291 | sizes[4] = sizeL[4]; | |
3292 | sizes[5] = sizeL[5]; | |
3293 | sizes[6] = sizeL[6]; | |
3294 | sizes[7] = sizeR[5]; | |
3295 | sizes[8] = sizeR[6]; | |
3296 | ||
3297 | // add to container all objects | |
3298 | container->AddNode(hstaveL, 1); | |
3299 | container->AddNode(hstaveR, 1); | |
3300 | ||
3301 | return container; | |
bc3498f4 | 3302 | } |
54c9a3d9 | 3303 | //______________________________________________________________________ |
bc3498f4 | 3304 | void AliITSv11GeometrySPD::SetAddStave(Bool_t *mask) |
3305 | { | |
54c9a3d9 | 3306 | // |
3307 | // Define a mask which states qhich staves must be placed. | |
d0048cec | 3308 | // It is a string which must contain '0' or '1' depending if |
54c9a3d9 | 3309 | // a stave must be placed or not. |
d0048cec | 3310 | // Each place is referred to one of the staves, so the first |
54c9a3d9 | 3311 | // six characters of the string will be checked. |
3312 | // | |
3313 | Int_t i; | |
3314 | ||
3315 | for (i = 0; i < 6; i++) fAddStave[i] = mask[i]; | |
bc3498f4 | 3316 | } |
54c9a3d9 | 3317 | //______________________________________________________________________ |
3318 | void AliITSv11GeometrySPD::StavesInSector(TGeoVolume *moth, TGeoManager *mgr) | |
3319 | { | |
3320 | // | |
3321 | // Unification of essentially two methods: | |
3322 | // - the one which creates the sector structure | |
3323 | // - the one which returns the complete stave | |
3324 | // --- | |
3325 | // For compatibility, this method requires the same arguments | |
3326 | // asked by "CarbonFiberSector" method, which is recalled here. | |
3327 | // Like this cited method, this one does not return any value, | |
3328 | // but it inserts in the mother volume (argument 'moth') all the stuff | |
3329 | // which composes the complete SPD sector. | |
3330 | // --- | |
d0048cec | 3331 | // In the following, the stave numbering order used for arrays is the |
54c9a3d9 | 3332 | // same as defined in the GetSectorMountingPoints(): |
3333 | // /5 | |
3334 | // /\/4 | |
3335 | // 1\ \/3 | |
3336 | // 0|___\/2 | |
3337 | // --- | |
3338 | // Arguments: see description of "CarbonFiberSector" method. | |
3339 | // | |
3340 | ||
d0048cec | 3341 | Double_t shift[6]; // shift from the innermost position in the |
3342 | // sector placement plane (where the stave | |
3343 | // edge is in the point where the rounded | |
54c9a3d9 | 3344 | // corner begins) |
3345 | ||
3346 | shift[0] = fgkmm * -0.691; | |
3347 | shift[1] = fgkmm * 5.041; | |
3348 | shift[2] = fgkmm * 1.816; | |
3349 | shift[3] = fgkmm * -0.610; | |
3350 | shift[4] = fgkmm * -0.610; | |
3351 | shift[5] = fgkmm * -0.610; | |
d0048cec | 3352 | |
3ffa185f | 3353 | // corrections after interaction with Andrea and CAD |
3354 | Double_t corrX[6] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0}; | |
3355 | Double_t corrY[6] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0}; | |
d0048cec | 3356 | |
3ffa185f | 3357 | corrX[0] = 0.0046; |
3358 | corrX[1] = -0.0041; | |
3359 | corrX[2] = corrX[3] = corrX[4] = corrX[5] = -0.0016; | |
d0048cec | 3360 | |
3ffa185f | 3361 | corrY[0] = -0.0007; |
3362 | corrY[1] = -0.0009; | |
3363 | corrY[2] = corrY[3] = corrY[4] = corrY[5] = -0.0003; | |
d0048cec | 3364 | |
3ffa185f | 3365 | corrX[0] += 0.00026; |
3366 | corrY[0] += -0.00080; | |
d0048cec | 3367 | |
3ffa185f | 3368 | corrX[1] += 0.00018; |
3369 | corrY[1] += -0.00086; | |
d0048cec | 3370 | |
3ffa185f | 3371 | corrX[2] += 0.00020; |
3372 | corrY[2] += -0.00062; | |
d0048cec | 3373 | |
3ffa185f | 3374 | corrX[3] += 0.00017; |
3375 | corrY[3] += -0.00076; | |
d0048cec | 3376 | |
3ffa185f | 3377 | corrX[4] += 0.00016; |
3378 | corrY[4] += -0.00096; | |
d0048cec | 3379 | |
3ffa185f | 3380 | corrX[5] += 0.00018; |
3381 | corrY[5] += -0.00107; | |
d0048cec | 3382 | |
54c9a3d9 | 3383 | // create stave volumes (different for layer 1 and 2) |
3384 | TArrayD staveSizes1(9), staveSizes2(9), clipSize(5); | |
3385 | Double_t &staveHeight = staveSizes1[2], &staveThickness = staveSizes1[0]; | |
3386 | TGeoVolume *stave1 = CreateStave(1, staveSizes1, mgr); | |
3387 | TGeoVolume *stave2 = CreateStave(2, staveSizes2, mgr); | |
3388 | TGeoVolume *clip = CreateClip(clipSize, kFALSE, mgr); | |
3389 | ||
3390 | Double_t xL, yL; // leftmost edge of mounting point (XY projection) | |
3391 | Double_t xR, yR; // rightmost edge of mounting point (XY projection) | |
3392 | Double_t xM, yM; // middle point of the segment L-R | |
3393 | Double_t dx, dy; // (xL - xR) and (yL - yR) | |
3394 | Double_t widthLR; // width of the segment L-R | |
3395 | Double_t angle; // stave rotation angle in degrees | |
d0048cec | 3396 | Double_t diffWidth; // difference between mounting plane width and |
54c9a3d9 | 3397 | // stave width (smaller) |
3398 | Double_t xPos, yPos; // final translation of the stave | |
3399 | Double_t parMovement; // translation in the LR plane direction | |
d0048cec | 3400 | |
54c9a3d9 | 3401 | staveThickness += fgkGapHalfStave; |
d0048cec | 3402 | |
54c9a3d9 | 3403 | // loop on staves |
3404 | Int_t i, iclip = 1; | |
3405 | for (i = 0; i < 6; i++) { | |
3406 | // in debug mode, if this stave is not required, it is skipped | |
3407 | if (!fAddStave[i]) continue; | |
3408 | // retrieve reference points | |
3409 | GetSectorMountingPoints(i, xL, yL, xR, yR); | |
3410 | xM = 0.5 * (xL + xR); | |
3411 | yM = 0.5 * (yL + yR); | |
3412 | dx = xL - xR; | |
3413 | dy = yL - yR; | |
3414 | angle = TMath::ATan2(dy, dx); | |
3415 | widthLR = TMath::Sqrt(dx*dx + dy*dy); | |
3416 | diffWidth = 0.5*(widthLR - staveHeight); | |
3417 | // first, a movement along this plane must be done | |
3418 | // by an amount equal to the width difference | |
3419 | // and then the fixed shift must also be added | |
3420 | parMovement = diffWidth + shift[i]; | |
d0048cec | 3421 | // due to stave thickness, another movement must be done |
54c9a3d9 | 3422 | // in the direction normal to the mounting plane |
d0048cec | 3423 | // which is computed using an internal method, in a reference |
3424 | // frame where the LR segment has its middle point in the origin | |
54c9a3d9 | 3425 | // and axes parallel to the master reference frame |
3426 | if (i == 0) { | |
d0048cec | 3427 | ParallelPosition(-0.5*staveThickness, -parMovement, angle, |
54c9a3d9 | 3428 | xPos, yPos); |
3429 | } // end if i==0 | |
3430 | if (i == 1) { | |
d0048cec | 3431 | ParallelPosition( 0.5*staveThickness, -parMovement, angle, |
54c9a3d9 | 3432 | xPos, yPos); |
3433 | }else { | |
d0048cec | 3434 | ParallelPosition( 0.5*staveThickness, parMovement, angle, |
54c9a3d9 | 3435 | xPos, yPos); |
3436 | } // end if i==1 | |
3437 | // then we go into the true reference frame | |
3438 | xPos += xM; | |
3439 | yPos += yM; | |
3ffa185f | 3440 | xPos += corrX[i]; |
3441 | yPos += corrY[i]; | |
d0048cec | 3442 | // using the parameters found here, compute the |
54c9a3d9 | 3443 | // translation and rotation of this stave: |
3444 | TGeoRotation *rot = new TGeoRotation(*gGeoIdentity); | |
3445 | if (i == 0 || i == 1) rot->RotateX(180.0); | |
3446 | rot->RotateZ(90.0 + angle * TMath::RadToDeg()); | |
3447 | TGeoCombiTrans *trans = new TGeoCombiTrans(xPos, yPos, 0.0, rot); | |
3448 | if (i == 0 || i == 1) { | |
3449 | moth->AddNode(stave1, i+1, trans); | |
3450 | }else { | |
3451 | moth->AddNode(stave2, i - 1, trans); | |
3452 | if (i != 2) { | |
3453 | // except in the case of stave #2, | |
3454 | // clips must be added, and this is done directly on the sector | |
3455 | Int_t j; | |
4adcf390 | 3456 | //TArrayD clipSize; |
54c9a3d9 | 3457 | TGeoRotation *rotClip = new TGeoRotation(*gGeoIdentity); |
3458 | rotClip->RotateZ(-90.0); | |
3459 | rotClip->RotateX(180.0); | |
3460 | Double_t x = staveSizes2[3] + fgkGapHalfStave; | |
3461 | Double_t y = staveSizes2[4]; | |
d0048cec | 3462 | Double_t z[4] = { staveSizes2[5], staveSizes2[6], |
54c9a3d9 | 3463 | staveSizes2[7], staveSizes2[8] }; |
3464 | for (j = 0; j < 4; j++) { | |
3465 | TGeoCombiTrans *trClip = new TGeoCombiTrans(x, y, z[j], | |
3466 | rotClip); | |
3467 | *trClip = *trans * *trClip; | |
3468 | moth->AddNode(clip, iclip++, trClip); | |
3469 | } // end for j | |
3470 | } // end if i!=2 | |
3471 | } // end if i==0||i==1 else | |
3472 | } // end for i | |
e0b38446 | 3473 | |
3474 | ||
3475 | // Add a box representing the collector for cooling tubes | |
3476 | Double_t collWidth = fgkmm * 22.0; | |
3477 | Double_t collLength = fgkmm * 50.0; | |
3478 | Double_t collThickness = fgkmm * 7.0; | |
3479 | Double_t collInSize = fgkmm * 10.5; | |
3480 | ||
3481 | TGeoMedium *medColl = GetMedium("INOX$"); | |
3482 | TGeoMedium *medCollIn = GetMedium("COPPER$"); | |
3483 | TGeoVolume *vColl = mgr->MakeBox("ITSSPDSectorTubeColl" , medColl, 0.5*collWidth, 0.5*collThickness, 0.5*collLength); | |
3484 | TGeoVolume *vCollIn = mgr->MakeBox("ITSSPDSectorTubeCollIn", medCollIn, 0.5*collInSize, 0.5*collInSize, 0.5*collInSize); | |
3485 | vColl->SetLineColor(kGreen+2); | |
3486 | vCollIn->SetLineColor(kYellow); | |
3487 | ||
3488 | TGeoTranslation *tr1 = new TGeoTranslation( 0.1, 1.2, 35.0); | |
3489 | TGeoTranslation *tr2 = new TGeoTranslation(-0.1, 1.2, -35.0); | |
3490 | TGeoTranslation *tr3 = new TGeoTranslation( 0.1, 1.2 - 0.5*(collThickness+collInSize), 35.0 + 0.5*(collLength - collInSize)); | |
3491 | TGeoTranslation *tr4 = new TGeoTranslation(-0.1, 1.2 - 0.5*(collThickness+collInSize), -35.0 - 0.5*(collLength - collInSize)); | |
3492 | ||
3493 | moth->AddNode(vColl, 0, tr1); | |
3494 | moth->AddNode(vColl, 1, tr2); | |
3495 | moth->AddNode(vCollIn, 0, tr3); | |
3496 | moth->AddNode(vCollIn, 1, tr4); | |
3497 | ||
592651e2 | 3498 | } |
54c9a3d9 | 3499 | //______________________________________________________________________ |
bc3498f4 | 3500 | void AliITSv11GeometrySPD::ParallelPosition(Double_t dist1, Double_t dist2, |
54c9a3d9 | 3501 | Double_t phi, Double_t &x, Double_t &y) const |
3502 | { | |
3503 | // | |
3504 | // Performs the following steps: | |
d0048cec | 3505 | // 1 - finds a straight line parallel to the one passing through |
54c9a3d9 | 3506 | // the origin and with angle 'phi' with X axis(phi in RADIANS); |
d0048cec | 3507 | // 2 - finds another line parallel to the previous one, with a |
54c9a3d9 | 3508 | // distance 'dist1' from it |
d0048cec | 3509 | // 3 - takes a reference point in the second line in the intersection |
54c9a3d9 | 3510 | // between the normal to both lines passing through the origin |
d0048cec | 3511 | // 4 - finds a point whith has distance 'dist2' from this reference, |
54c9a3d9 | 3512 | // in the second line (point 2) |
3513 | // ---- | |
d0048cec | 3514 | // According to the signs given to dist1 and dist2, the point is |
54c9a3d9 | 3515 | // found in different position w.r. to the origin |
3516 | // compute the point | |
3517 | // | |
3518 | Double_t cs = TMath::Cos(phi); | |
3519 | Double_t sn = TMath::Sin(phi); | |
3520 | ||
3521 | x = dist2*cs - dist1*sn; | |
3522 | y = dist1*cs + dist2*sn; | |
592651e2 | 3523 | } |
54c9a3d9 | 3524 | //______________________________________________________________________ |
3525 | Double_t AliITSv11GeometrySPD::GetSPDSectorTranslation( | |
3526 | Double_t x0,Double_t y0,Double_t x1,Double_t y1,Double_t r) const | |
3527 | { | |
3528 | // | |
3529 | // Comutes the radial translation of a sector to give the | |
3530 | // proper distance between SPD detectors and the beam pipe. | |
3531 | // Units in are units out. | |
3532 | // | |
3533 | ||
3534 | //Begin_Html | |
3535 | /* | |
3536 | <A HREF="http://www.physics.ohio-state.edu/HIRG/SoftWareDoc/SPD_Sector_Position.png"> | |
3537 | Figure showing the geometry used in the computation below. </A> | |
3538 | */ | |
3539 | //End_Html | |
3540 | ||
3541 | // Inputs: | |
3542 | // Double_t x0 Point x0 on Sector surface for the inner | |
3543 | // most detector mounting | |
3544 | // Double_t y0 Point y0 on Sector surface for the innor | |
3545 | // most detector mounting | |
3546 | // Double_t x1 Point x1 on Sector surface for the inner | |
3547 | // most detector mounting | |
3548 | // Double_t y1 Point y1 on Sector surface for the innor | |
3549 | // most detector mounting | |
3550 | // Double_t r The radial distance this mounting surface | |
3551 | // should be from the center of the beam pipe. | |
3552 | // Outputs: | |
3553 | // none. | |
3554 | // Return: | |
3555 | // The distance the SPD sector should be displaced radialy. | |
3556 | // | |
3557 | Double_t a,b,c; | |
3558 | ||
3559 | a = x0-x1; | |
3560 | if(a==0.0) return 0.0; | |
3561 | a = (y0-y1)/a; | |
3562 | b = TMath::Sqrt(1.0+a*a); | |
3563 | c = y0-a*x0-r*b; | |
3564 | return -c; | |
3565 | } | |
c890eba4 | 3566 | |
54c9a3d9 | 3567 | //______________________________________________________________________ |
3568 | void AliITSv11GeometrySPD::PrintAscii(ostream *os) const | |
3569 | { | |
3570 | // | |
bc3498f4 | 3571 | // Print out class data values in Ascii Form to output stream |
3572 | // Inputs: | |
3573 | // ostream *os Output stream where Ascii data is to be writen | |
3574 | // Outputs: | |
3575 | // none. | |
3576 | // Return: | |
3577 | // none. | |
54c9a3d9 | 3578 | // |
3579 | Int_t i,j,k; | |
bc3498f4 | 3580 | #if defined __GNUC__ |
3581 | #if __GNUC__ > 2 | |
3582 | ios::fmtflags fmt = cout.flags(); | |
3583 | #else | |
3584 | Int_t fmt; | |
3585 | #endif | |
3586 | #else | |
3587 | #if defined __ICC || defined __ECC || defined __xlC__ | |
3588 | ios::fmtflags fmt; | |
3589 | #else | |
3590 | Int_t fmt; | |
3591 | #endif | |
3592 | #endif | |
54c9a3d9 | 3593 | |
3594 | *os<< fgkGapLadder <<" "<< fgkGapHalfStave<<" "<< 6 <<" "; | |
3595 | for(i=0;i<6;i++) *os<< fAddStave[i] <<" "<<fSPDsectorX0.GetSize(); | |
3596 | for(i=0;i<fSPDsectorX0.GetSize();i++) *os<< fSPDsectorX0.GetAt(i) << " "; | |
3597 | for(i=0;i<fSPDsectorX0.GetSize();i++) *os<< fSPDsectorY0.GetAt(i) << " "; | |
3598 | for(i=0;i<fSPDsectorX1.GetSize();i++) *os<< fSPDsectorX1.GetAt(i) << " "; | |
3599 | for(i=0;i<fSPDsectorX1.GetSize();i++) *os<< fSPDsectorY1.GetAt(i) << " "; | |
3600 | *os<<10<<" "<< 2 <<" " << 6 << " "<< 3 <<" "; | |
d0048cec | 3601 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++) |
54c9a3d9 | 3602 | *os<<fTubeEndSector[k][0][i][j]<<" "; |
d0048cec | 3603 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++) |
54c9a3d9 | 3604 | *os<<fTubeEndSector[k][1][i][j]<<" "; |
bc3498f4 | 3605 | os->flags(fmt); // reset back to old Formating. |
3606 | return; | |
3607 | } | |
3608 | // | |
54c9a3d9 | 3609 | //______________________________________________________________________ |
3610 | void AliITSv11GeometrySPD::ReadAscii(istream* is) | |
3611 | { | |
3612 | // | |
bc3498f4 | 3613 | // Read in class data values in Ascii Form to output stream |
3614 | // Inputs: | |
3615 | // istream *is Input stream where Ascii data is to be read in from | |
3616 | // Outputs: | |
3617 | // none. | |
3618 | // Return: | |
3619 | // none. | |
54c9a3d9 | 3620 | // |
3621 | Int_t i,j,k,n; | |
3622 | Double_t gapLadder,GapHalfStave; | |
3623 | ||
3624 | *is>>gapLadder>>GapHalfStave>>n; | |
3625 | if(n!=6){ | |
3626 | Warning("ReadAscii","fAddStave Array !=6 n=%d",n); | |
3627 | return; | |
3628 | } // end if | |
3629 | for(i=0;i<n;i++) *is>>fAddStave[i]; | |
3630 | *is>>n; | |
3631 | fSPDsectorX0.Set(n); | |
3632 | fSPDsectorY0.Set(n); | |
3633 | fSPDsectorX1.Set(n); | |
3634 | fSPDsectorY1.Set(n); | |
3635 | for(i=0;i<n;i++) *is>>fSPDsectorX0[i]; | |
3636 | for(i=0;i<n;i++) *is>>fSPDsectorY0[i]; | |
3637 | for(i=0;i<n;i++) *is>>fSPDsectorX1[i]; | |
3638 | for(i=0;i<n;i++) *is>>fSPDsectorY1[i]; | |
3639 | *is>> i>>j>>n; | |
3640 | if(i!=2||j!=6||n!=3){ | |
3641 | Warning("ReadAscii","fTubeEndSector array wrong size [2][6][3]," | |
3642 | "found [%d][%d][%d]",i,j,n); | |
3643 | return; | |
3644 | } // end if | |
d0048cec | 3645 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++) |
54c9a3d9 | 3646 | *is>>fTubeEndSector[k][0][i][j]; |
d0048cec | 3647 | for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++) |
54c9a3d9 | 3648 | *is>>fTubeEndSector[k][1][i][j]; |
3649 | return; | |
bc3498f4 | 3650 | } |
3651 | // | |
54c9a3d9 | 3652 | //______________________________________________________________________ |
3653 | ostream &operator<<(ostream &os,const AliITSv11GeometrySPD &s) | |
3654 | { | |
3655 | // | |
bc3498f4 | 3656 | // Standard output streaming function |
3657 | // Inputs: | |
3658 | // ostream &os output steam | |
3659 | // AliITSvPPRasymmFMD &s class to be streamed. | |
3660 | // Output: | |
3661 | // none. | |
3662 | // Return: | |
3663 | // ostream &os The stream pointer | |
54c9a3d9 | 3664 | // |
bc3498f4 | 3665 | s.PrintAscii(&os); |
3666 | return os; | |
3667 | } | |
3668 | // | |
54c9a3d9 | 3669 | //______________________________________________________________________ |
3670 | istream &operator>>(istream &is,AliITSv11GeometrySPD &s) | |
3671 | { | |
3672 | // | |
bc3498f4 | 3673 | // Standard inputput streaming function |
3674 | // Inputs: | |
3675 | // istream &is input steam | |
3676 | // AliITSvPPRasymmFMD &s class to be streamed. | |
3677 | // Output: | |
3678 | // none. | |
3679 | // Return: | |
3680 | // ostream &os The stream pointer | |
54c9a3d9 | 3681 | // |
bc3498f4 | 3682 | s.ReadAscii(&is); |
3683 | return is; | |
3684 | } | |
c890eba4 | 3685 |