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4347b38f | 1 | /************************************************************************** |
0d0e6995 | 2 | * Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. * |
4347b38f | 3 | * * |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ////////////////////////////////////////////////////////////////////////////// | |
19 | // | |
20 | // Utility class to help implement the FMD geometry. This provides | |
21 | // the interface for the concrete geometry implementations of the FMD | |
22 | // sub-detectors. | |
23 | // | |
24 | // The AliFMD object owns the AliFMDSubDetector objects | |
25 | // | |
26 | // Latest changes by Christian Holm Christensen | |
27 | // | |
28 | ////////////////////////////////////////////////////////////////////////////// | |
29 | ||
e802be3e | 30 | #include "AliFMDSubDetector.h" // ALIFMDSUBDETECTOR_H |
31 | #include "AliFMDRing.h" // ALIFMDRING_H | |
32 | #include "AliLog.h" // ALILOG_H | |
33 | #include "TVirtualMC.h" // ROOT_TVirtualMC | |
34 | #include "TList.h" // ROOT_TList | |
35 | #include "TString.h" // ROOT_TString | |
4347b38f | 36 | |
37 | ClassImp(AliFMDSubDetector); | |
38 | ||
39 | //____________________________________________________________________ | |
40 | AliFMDSubDetector::AliFMDSubDetector(Int_t n) | |
41 | : fId(n), | |
42 | fInnerZ(0), | |
43 | fOuterZ(0), | |
44 | fInner(0), | |
45 | fOuter(0) | |
46 | {} | |
47 | ||
48 | //____________________________________________________________________ | |
49 | void | |
50 | AliFMDSubDetector::Draw(Option_t* /* opt */) const | |
51 | { | |
52 | // DebugGuard guard("AliFMDSubDetector::Draw"); | |
53 | AliDebug(10, "AliFMDSubDetector::Draw"); | |
54 | } | |
55 | ||
56 | //____________________________________________________________________ | |
57 | Bool_t | |
58 | AliFMDSubDetector::CheckHit(Char_t ring, Int_t module, Double_t x, Double_t y) | |
59 | { | |
60 | // Check if a hit (x,y) in module module of ring ring is within the | |
61 | // actual shape. | |
62 | Bool_t ret = kFALSE; | |
63 | switch (ring) { | |
64 | case 'i': | |
65 | case 'I': | |
66 | if (!fInner) break; | |
67 | ret = fInner->IsWithin(module, x, y); | |
68 | break; | |
69 | case 'o': | |
70 | case 'O': | |
71 | if (!fOuter) break; | |
72 | ret = fOuter->IsWithin(module, x, y); | |
73 | break; | |
74 | } | |
75 | return ret; | |
76 | } | |
77 | ||
78 | //____________________________________________________________________ | |
79 | void | |
80 | AliFMDSubDetector::SimpleGeometry(TList* nodes, | |
81 | TNode* mother, | |
82 | Int_t colour, | |
83 | Double_t zMother) | |
84 | { | |
85 | // Make a simplified geometry for event display | |
86 | // | |
87 | // Parameters | |
88 | // | |
89 | // nodes List of nodes to register all create nodes in | |
90 | // mother Mother node to put the ring in. | |
91 | // colour Colour of the nodes | |
92 | // zMother Z position of the node in the mother volume | |
93 | // | |
94 | for (int i = 0; i < 2; i++) { | |
95 | AliFMDRing* r = 0; | |
96 | Double_t z = 0; | |
97 | switch (i) { | |
98 | case 0: | |
99 | r = fInner; | |
100 | z = fInnerZ; | |
101 | break; | |
102 | case 1: | |
103 | r = fOuter; | |
104 | z = fOuterZ; | |
105 | break; | |
106 | } | |
107 | if (!r) continue; | |
108 | ||
109 | // Make the coordinates relative to the mother volume. If we're | |
110 | // on the positive side, then we need to flip the z-coordinate, as | |
111 | // we'll rotate the whole sub-detector afterwards. | |
112 | z -= zMother; | |
113 | if (zMother > 0) z *= -1; | |
114 | ||
115 | r->SimpleGeometry(nodes, mother, colour, z, fId); | |
116 | } | |
117 | } | |
118 | ||
119 | ||
120 | //____________________________________________________________________ | |
121 | void | |
122 | AliFMDSubDetector::SetupGeometry(Int_t airId, Int_t kaptionId) | |
123 | { | |
124 | // Set up the geometry of this particular detector. | |
125 | // | |
126 | // In this class, it defines the support honey comp calls and | |
127 | // nothing else. | |
128 | // | |
129 | // Parameters | |
130 | // airId Medium of inactive virtual volumes | |
131 | // kaptionId Medium of honeycomb | |
132 | // | |
133 | // DebugGuard guard("AliFMDSubDetector::SetupGeometry"); | |
134 | AliDebug(10, "AliFMDSubDetector::SetupGeometry"); | |
135 | TString name; | |
136 | Double_t par[5]; | |
137 | ||
138 | for (int i = 0; i < 2; i++) { | |
139 | AliFMDRing* r = 0; | |
140 | char c = '\0'; | |
141 | switch (i) { | |
142 | case 0: | |
143 | r = fInner; | |
144 | c = 'I'; | |
145 | par[0] = fInnerHoneyLowR; | |
146 | par[1] = fInnerHoneyHighR; | |
147 | break; | |
148 | case 1: | |
149 | r = fOuter; | |
150 | c = 'O'; | |
151 | par[0] = fOuterHoneyLowR; | |
152 | par[1] = fOuterHoneyHighR; | |
153 | break; | |
154 | } | |
155 | if (!r) continue; | |
156 | // Top of honeycomb, inner ring | |
157 | par[2] = fHoneycombThickness / 2; | |
158 | par[3] = 0; | |
159 | par[4] = 180; | |
160 | name = Form("HT%c%d", c, fId); | |
161 | gMC->Gsvolu(name.Data(), "TUBS", kaptionId, par, 5); | |
162 | ||
163 | // Bottom of honeycomb, inner ring | |
164 | par[3] = 180; | |
165 | par[4] = 360; | |
166 | name = Form("HB%c%d", c, fId); | |
167 | gMC->Gsvolu(name.Data(), "TUBS", kaptionId, par, 5); | |
168 | ||
169 | // Air in top of honeycomb, inner ring | |
170 | par[0] += fKaptionThickness; | |
171 | par[1] -= fKaptionThickness; | |
172 | par[2] -= fKaptionThickness; | |
173 | par[3] = 0; | |
174 | par[4] = 180; | |
175 | name = Form("GT%c%d", c, fId); | |
176 | gMC->Gsvolu(name.Data(), "TUBS", airId, par, 5); | |
177 | ||
178 | // Air in bottom of honeycomb, inner ring | |
179 | par[3] = 180; | |
180 | par[4] = 360; | |
181 | name = Form("GB%c%d", c, fId); | |
182 | gMC->Gsvolu(name.Data(), "TUBS", airId, par, 5); | |
183 | } | |
184 | } | |
185 | ||
186 | //____________________________________________________________________ | |
187 | void | |
188 | AliFMDSubDetector::Geometry(const char* mother, Int_t pbRotId, Int_t idRotId, | |
189 | Double_t zMother) | |
190 | { | |
191 | // Place the volume inside mother volume. | |
192 | // | |
193 | // Parameters | |
194 | // | |
195 | // mother Volume to position this detector in | |
196 | // pbRotId Print board rotation matrix, | |
197 | // idRotId Identity rotation matrix | |
198 | // zMother The Z passed in, is the position of the middle | |
199 | // point of the mother volume. | |
200 | // | |
201 | // In this base class, it asks the contained rings to position | |
202 | // themselves in the mother volume, and positions the honey comb | |
203 | // support in the mother volume | |
204 | // | |
205 | // DebugGuard guard("AliFMDSubDetector::Geometry"); | |
206 | AliDebug(10, "AliFMDSubDetector::Geometry"); | |
207 | ||
208 | Double_t ringW; | |
209 | Double_t z = 0; | |
210 | // Double_t* b = 0; | |
211 | TString name; | |
212 | TString name2; | |
213 | ||
214 | for (int i = 0; i < 2; i++) { | |
215 | AliFMDRing* r = 0; | |
216 | char c = '\0'; | |
217 | switch (i) { | |
218 | case 0: | |
219 | r = fInner; | |
220 | c = 'I'; | |
221 | z = fInnerZ; | |
222 | break; | |
223 | case 1: | |
224 | r = fOuter; | |
225 | c = 'O'; | |
226 | z = fOuterZ; | |
227 | break; | |
228 | } | |
229 | if (!r) continue; | |
230 | ||
231 | // Make the coordinates relative to the mother volume. If we're | |
232 | // on the positive side, then we need to flip the z-coordinate, as | |
233 | // we'll rotate the whole sub-detector afterwards. | |
234 | z -= zMother; | |
235 | if (zMother > 0) z *= -1; | |
236 | ||
237 | r->Geometry(mother, fId, z, pbRotId, idRotId); | |
238 | ringW = r->GetRingDepth(); | |
239 | z -= ringW + fHoneycombThickness / 2; | |
240 | ||
241 | // Top of honeycomb | |
242 | name = Form("HT%c%d", c, fId); | |
243 | gMC->Gspos(name.Data(), 1, mother, 0, 0, z, idRotId); | |
244 | ||
245 | // Air in top of honeycomb | |
246 | name2 = name; | |
247 | name = Form("GT%c%d", c, fId); | |
248 | gMC->Gspos(name.Data(), 1, name2.Data(),0,fKaptionThickness,0,idRotId); | |
249 | ||
250 | // Bottom of honeycomb | |
251 | name = Form("HB%c%d", c, fId); | |
252 | gMC->Gspos(name.Data(), 1, mother, 0, 0, z, idRotId); | |
253 | ||
254 | // Air in bottom of honeycomb | |
255 | name2 = name; | |
256 | name = Form("GB%c%d", c, fId); | |
257 | gMC->Gspos(name.Data(),1,name2.Data(),0,-fKaptionThickness,0,idRotId); | |
258 | } | |
259 | } | |
260 | ||
261 | //____________________________________________________________________ | |
262 | void | |
263 | AliFMDSubDetector::Gsatt() | |
264 | { | |
265 | // Set drawing attributes for the detector | |
266 | // | |
267 | // DebugGuard guard("AliFMDSubDetector::Gsatt"); | |
268 | AliDebug(10, "AliFMDSubDetector::Gsatt"); | |
269 | TString name(Form("FMD%d", fId)); | |
270 | gMC->Gsatt(name.Data(), "SEEN", 0); | |
271 | } | |
272 | ||
273 | ||
274 | //____________________________________________________________________ | |
275 | // | |
276 | // EOF | |
277 | // |