]>
Commit | Line | Data |
---|---|---|
4347b38f | 1 | /************************************************************************** |
2 | * Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
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 | ||
30 | #ifndef ALIFMDSUBDETECTOR_H | |
31 | # include "AliFMDSubDetector.h" | |
32 | #endif | |
33 | #ifndef ALILOG_H | |
34 | # include "AliLog.h" | |
35 | #endif | |
36 | #ifndef ROOT_TVirtualMC | |
37 | # include <TVirtualMC.h> | |
38 | #endif | |
39 | #ifndef ROOT_TList | |
40 | # include <TList.h> | |
41 | #endif | |
42 | #ifndef ROOT_TString | |
43 | # include <TString.h> | |
44 | #endif | |
45 | #ifndef __IOSTREAM__ | |
46 | # include <iostream> | |
47 | #endif | |
48 | ||
49 | ClassImp(AliFMDSubDetector); | |
50 | ||
51 | //____________________________________________________________________ | |
52 | AliFMDSubDetector::AliFMDSubDetector(Int_t n) | |
53 | : fId(n), | |
54 | fInnerZ(0), | |
55 | fOuterZ(0), | |
56 | fInner(0), | |
57 | fOuter(0) | |
58 | {} | |
59 | ||
60 | //____________________________________________________________________ | |
61 | void | |
62 | AliFMDSubDetector::Draw(Option_t* /* opt */) const | |
63 | { | |
64 | // DebugGuard guard("AliFMDSubDetector::Draw"); | |
65 | AliDebug(10, "AliFMDSubDetector::Draw"); | |
66 | } | |
67 | ||
68 | //____________________________________________________________________ | |
69 | Bool_t | |
70 | AliFMDSubDetector::CheckHit(Char_t ring, Int_t module, Double_t x, Double_t y) | |
71 | { | |
72 | // Check if a hit (x,y) in module module of ring ring is within the | |
73 | // actual shape. | |
74 | Bool_t ret = kFALSE; | |
75 | switch (ring) { | |
76 | case 'i': | |
77 | case 'I': | |
78 | if (!fInner) break; | |
79 | ret = fInner->IsWithin(module, x, y); | |
80 | break; | |
81 | case 'o': | |
82 | case 'O': | |
83 | if (!fOuter) break; | |
84 | ret = fOuter->IsWithin(module, x, y); | |
85 | break; | |
86 | } | |
87 | return ret; | |
88 | } | |
89 | ||
90 | //____________________________________________________________________ | |
91 | void | |
92 | AliFMDSubDetector::SimpleGeometry(TList* nodes, | |
93 | TNode* mother, | |
94 | Int_t colour, | |
95 | Double_t zMother) | |
96 | { | |
97 | // Make a simplified geometry for event display | |
98 | // | |
99 | // Parameters | |
100 | // | |
101 | // nodes List of nodes to register all create nodes in | |
102 | // mother Mother node to put the ring in. | |
103 | // colour Colour of the nodes | |
104 | // zMother Z position of the node in the mother volume | |
105 | // | |
106 | for (int i = 0; i < 2; i++) { | |
107 | AliFMDRing* r = 0; | |
108 | Double_t z = 0; | |
109 | switch (i) { | |
110 | case 0: | |
111 | r = fInner; | |
112 | z = fInnerZ; | |
113 | break; | |
114 | case 1: | |
115 | r = fOuter; | |
116 | z = fOuterZ; | |
117 | break; | |
118 | } | |
119 | if (!r) continue; | |
120 | ||
121 | // Make the coordinates relative to the mother volume. If we're | |
122 | // on the positive side, then we need to flip the z-coordinate, as | |
123 | // we'll rotate the whole sub-detector afterwards. | |
124 | z -= zMother; | |
125 | if (zMother > 0) z *= -1; | |
126 | ||
127 | r->SimpleGeometry(nodes, mother, colour, z, fId); | |
128 | } | |
129 | } | |
130 | ||
131 | ||
132 | //____________________________________________________________________ | |
133 | void | |
134 | AliFMDSubDetector::SetupGeometry(Int_t airId, Int_t kaptionId) | |
135 | { | |
136 | // Set up the geometry of this particular detector. | |
137 | // | |
138 | // In this class, it defines the support honey comp calls and | |
139 | // nothing else. | |
140 | // | |
141 | // Parameters | |
142 | // airId Medium of inactive virtual volumes | |
143 | // kaptionId Medium of honeycomb | |
144 | // | |
145 | // DebugGuard guard("AliFMDSubDetector::SetupGeometry"); | |
146 | AliDebug(10, "AliFMDSubDetector::SetupGeometry"); | |
147 | TString name; | |
148 | Double_t par[5]; | |
149 | ||
150 | for (int i = 0; i < 2; i++) { | |
151 | AliFMDRing* r = 0; | |
152 | char c = '\0'; | |
153 | switch (i) { | |
154 | case 0: | |
155 | r = fInner; | |
156 | c = 'I'; | |
157 | par[0] = fInnerHoneyLowR; | |
158 | par[1] = fInnerHoneyHighR; | |
159 | break; | |
160 | case 1: | |
161 | r = fOuter; | |
162 | c = 'O'; | |
163 | par[0] = fOuterHoneyLowR; | |
164 | par[1] = fOuterHoneyHighR; | |
165 | break; | |
166 | } | |
167 | if (!r) continue; | |
168 | // Top of honeycomb, inner ring | |
169 | par[2] = fHoneycombThickness / 2; | |
170 | par[3] = 0; | |
171 | par[4] = 180; | |
172 | name = Form("HT%c%d", c, fId); | |
173 | gMC->Gsvolu(name.Data(), "TUBS", kaptionId, par, 5); | |
174 | ||
175 | // Bottom of honeycomb, inner ring | |
176 | par[3] = 180; | |
177 | par[4] = 360; | |
178 | name = Form("HB%c%d", c, fId); | |
179 | gMC->Gsvolu(name.Data(), "TUBS", kaptionId, par, 5); | |
180 | ||
181 | // Air in top of honeycomb, inner ring | |
182 | par[0] += fKaptionThickness; | |
183 | par[1] -= fKaptionThickness; | |
184 | par[2] -= fKaptionThickness; | |
185 | par[3] = 0; | |
186 | par[4] = 180; | |
187 | name = Form("GT%c%d", c, fId); | |
188 | gMC->Gsvolu(name.Data(), "TUBS", airId, par, 5); | |
189 | ||
190 | // Air in bottom of honeycomb, inner ring | |
191 | par[3] = 180; | |
192 | par[4] = 360; | |
193 | name = Form("GB%c%d", c, fId); | |
194 | gMC->Gsvolu(name.Data(), "TUBS", airId, par, 5); | |
195 | } | |
196 | } | |
197 | ||
198 | //____________________________________________________________________ | |
199 | void | |
200 | AliFMDSubDetector::Geometry(const char* mother, Int_t pbRotId, Int_t idRotId, | |
201 | Double_t zMother) | |
202 | { | |
203 | // Place the volume inside mother volume. | |
204 | // | |
205 | // Parameters | |
206 | // | |
207 | // mother Volume to position this detector in | |
208 | // pbRotId Print board rotation matrix, | |
209 | // idRotId Identity rotation matrix | |
210 | // zMother The Z passed in, is the position of the middle | |
211 | // point of the mother volume. | |
212 | // | |
213 | // In this base class, it asks the contained rings to position | |
214 | // themselves in the mother volume, and positions the honey comb | |
215 | // support in the mother volume | |
216 | // | |
217 | // DebugGuard guard("AliFMDSubDetector::Geometry"); | |
218 | AliDebug(10, "AliFMDSubDetector::Geometry"); | |
219 | ||
220 | Double_t ringW; | |
221 | Double_t z = 0; | |
222 | // Double_t* b = 0; | |
223 | TString name; | |
224 | TString name2; | |
225 | ||
226 | for (int i = 0; i < 2; i++) { | |
227 | AliFMDRing* r = 0; | |
228 | char c = '\0'; | |
229 | switch (i) { | |
230 | case 0: | |
231 | r = fInner; | |
232 | c = 'I'; | |
233 | z = fInnerZ; | |
234 | break; | |
235 | case 1: | |
236 | r = fOuter; | |
237 | c = 'O'; | |
238 | z = fOuterZ; | |
239 | break; | |
240 | } | |
241 | if (!r) continue; | |
242 | ||
243 | // Make the coordinates relative to the mother volume. If we're | |
244 | // on the positive side, then we need to flip the z-coordinate, as | |
245 | // we'll rotate the whole sub-detector afterwards. | |
246 | z -= zMother; | |
247 | if (zMother > 0) z *= -1; | |
248 | ||
249 | r->Geometry(mother, fId, z, pbRotId, idRotId); | |
250 | ringW = r->GetRingDepth(); | |
251 | z -= ringW + fHoneycombThickness / 2; | |
252 | ||
253 | // Top of honeycomb | |
254 | name = Form("HT%c%d", c, fId); | |
255 | gMC->Gspos(name.Data(), 1, mother, 0, 0, z, idRotId); | |
256 | ||
257 | // Air in top of honeycomb | |
258 | name2 = name; | |
259 | name = Form("GT%c%d", c, fId); | |
260 | gMC->Gspos(name.Data(), 1, name2.Data(),0,fKaptionThickness,0,idRotId); | |
261 | ||
262 | // Bottom of honeycomb | |
263 | name = Form("HB%c%d", c, fId); | |
264 | gMC->Gspos(name.Data(), 1, mother, 0, 0, z, idRotId); | |
265 | ||
266 | // Air in bottom of honeycomb | |
267 | name2 = name; | |
268 | name = Form("GB%c%d", c, fId); | |
269 | gMC->Gspos(name.Data(),1,name2.Data(),0,-fKaptionThickness,0,idRotId); | |
270 | } | |
271 | } | |
272 | ||
273 | //____________________________________________________________________ | |
274 | void | |
275 | AliFMDSubDetector::Gsatt() | |
276 | { | |
277 | // Set drawing attributes for the detector | |
278 | // | |
279 | // DebugGuard guard("AliFMDSubDetector::Gsatt"); | |
280 | AliDebug(10, "AliFMDSubDetector::Gsatt"); | |
281 | TString name(Form("FMD%d", fId)); | |
282 | gMC->Gsatt(name.Data(), "SEEN", 0); | |
283 | } | |
284 | ||
285 | ||
286 | //____________________________________________________________________ | |
287 | // | |
288 | // EOF | |
289 | // |