]>
Commit | Line | Data |
---|---|---|
3c759505 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | /* History of cvs commits: | |
19 | * | |
20 | * $Log$ | |
07ca2d72 | 21 | * Revision 1.6 2007/08/28 13:12:18 hristov |
22 | * AliAlignObjAngles becomes AliAlignObjParams (Raffaele) | |
23 | * | |
90dbf5fb | 24 | * Revision 1.5 2007/07/10 12:41:38 kharlov |
25 | * Added a new class AliPHOSSurvet1 which read survey data from EDMS files | |
26 | * | |
42c5218a | 27 | * Revision 1.4 2007/05/17 17:34:54 kharlov |
28 | * Merging differences if v1.2 and 1.3 | |
29 | * | |
afb6e026 | 30 | * Revision 1.3 2007/05/17 17:13:32 kharlov |
31 | * Coding convensions satisfied (T.Pocheptsov) | |
32 | * | |
ae079791 | 33 | * Revision 1.1 2007/04/19 15:47:20 kharlov |
34 | * Add misalignment of strip units with AliPHOSSurvey class | |
35 | * | |
3c759505 | 36 | */ |
37 | ||
38 | // Objects of this class read txt file with survey (photogrammetry) data | |
90dbf5fb | 39 | // and convert the data into AliAlignObjParams of alignable PHOS volumes. |
3c759505 | 40 | // It can be used as a base class, you need to override GetStripTransformation. |
41 | // AliPHOSSurvey inherits TObject only to use AliLog "functions". | |
42 | // Author: Timur Pocheptsov (JINR) | |
43 | ||
44 | #include <fstream> | |
45 | ||
46 | #include <TClonesArray.h> | |
47 | #include <TGeoManager.h> | |
48 | #include <TString.h> | |
49 | #include <TMath.h> | |
50 | ||
42c5218a | 51 | #include "AliSurveyObj.h" |
52 | ||
3c759505 | 53 | #include "AliPHOSEMCAGeometry.h" |
90dbf5fb | 54 | #include "AliAlignObjParams.h" |
3c759505 | 55 | #include "AliPHOSGeometry.h" |
56 | #include "AliPHOSSurvey.h" | |
57 | #include "AliLog.h" | |
58 | ||
59 | ClassImp(AliPHOSSurvey) | |
60 | ||
61 | //____________________________________________________________________________ | |
62 | AliPHOSSurvey::AliPHOSSurvey() | |
56afa9a8 | 63 | : fStrNum(0), |
64 | fStripData(0) | |
3c759505 | 65 | { |
66 | //Default constructor. | |
67 | } | |
68 | ||
69 | namespace { | |
70 | ||
56afa9a8 | 71 | struct AliPHOSStripCoords { |
72 | Double_t fX1; //x coordinate of the first strip point | |
73 | Double_t fZ1; //z coordinate of the first strip point | |
74 | Double_t fX2; //x coordinate of the second strip point | |
75 | Double_t fZ2; //z coordinate of the second strip point | |
3c759505 | 76 | }; |
77 | ||
78 | } | |
79 | ||
80 | //____________________________________________________________________________ | |
81 | AliPHOSSurvey::AliPHOSSurvey(const TString &txtFileName) | |
56afa9a8 | 82 | : fStrNum(0), |
83 | fStripData(0) | |
3c759505 | 84 | { |
85 | //Read survey data from txt file. | |
86 | const AliPHOSGeometry *phosGeom = AliPHOSGeometry::GetInstance("IHEP", "IHEP"); | |
87 | if (!phosGeom) { | |
88 | AliError("Cannot obtain AliPHOSGeometry instance."); | |
89 | return; | |
90 | } | |
91 | ||
92 | std::ifstream inputFile(txtFileName.Data()); | |
93 | if (!inputFile) { | |
94 | AliError(("Cannot open the survey file " + txtFileName).Data()); | |
95 | return; | |
96 | } | |
97 | ||
56afa9a8 | 98 | AliPHOSEMCAGeometry * emcaGeom = phosGeom->GetEMCAGeometry(); |
99 | fStrNum = emcaGeom->GetNStripX() * emcaGeom->GetNStripZ(); | |
3c759505 | 100 | |
101 | Int_t dummyInt = 0; | |
102 | Double_t dummyY = 0.; | |
56afa9a8 | 103 | Double_t *xReal = new Double_t[fStrNum * 2];//2 |
104 | Double_t *zReal = new Double_t[fStrNum * 2];//3 | |
105 | ||
6ba1dd81 | 106 | for (Int_t i = 0; i < fStrNum * 2; ++i) { |
107 | xReal[i] = 0.; | |
108 | zReal[i] = 0.; | |
109 | } | |
110 | ||
56afa9a8 | 111 | for (Int_t i = 0; i < fStrNum * 2; ++i) { |
3c759505 | 112 | if (!inputFile) { |
113 | AliError("Error while reading input file."); | |
56afa9a8 | 114 | delete [] xReal; |
115 | delete [] zReal; | |
3c759505 | 116 | return; |
117 | } | |
118 | inputFile>>dummyInt>>xReal[i]>>dummyY>>zReal[i]; | |
119 | xReal[i] *= 0.1; | |
120 | zReal[i] *= 0.1; | |
121 | } | |
122 | ||
42c5218a | 123 | InitStripData(xReal, zReal); |
56afa9a8 | 124 | |
56afa9a8 | 125 | delete [] zReal; |
126 | delete [] xReal; | |
56afa9a8 | 127 | } |
128 | ||
129 | //____________________________________________________________________________ | |
130 | AliPHOSSurvey::~AliPHOSSurvey() | |
131 | { | |
132 | delete [] fStripData; | |
3c759505 | 133 | } |
134 | ||
135 | //____________________________________________________________________________ | |
90dbf5fb | 136 | void AliPHOSSurvey::CreateAliAlignObjParams(TClonesArray &array) |
3c759505 | 137 | { |
90dbf5fb | 138 | //Create AliAlignObjParams. |
3c759505 | 139 | const AliPHOSGeometry * phosGeom = AliPHOSGeometry::GetInstance("IHEP", "IHEP"); |
140 | if (!phosGeom) { | |
141 | AliError("Cannot obtain AliPHOSGeometry instance."); | |
142 | return; | |
143 | } | |
144 | ||
145 | if (!gGeoManager) { | |
146 | AliWarning("Cannot create local transformations for strip units - gGeoManager does not exist."); | |
147 | AliInfo("Null shifts and rotations will be created instead."); | |
148 | return CreateNullObjects(array, phosGeom); | |
149 | } | |
150 | ||
151 | AliPHOSEMCAGeometry * emcaGeom = phosGeom->GetEMCAGeometry(); | |
152 | Int_t arrayInd = array.GetEntries(), iIndex = 0; | |
afb6e026 | 153 | AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer; |
154 | UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iIndex); | |
3c759505 | 155 | |
156 | for (Int_t module = 1; module <= phosGeom->GetNModules(); ++module) { | |
157 | for (Int_t i = 0, stripNum = 0; i < emcaGeom->GetNStripX(); ++i) { | |
158 | for (Int_t j = 0; j < emcaGeom->GetNStripZ(); ++j) { | |
159 | TString stripName(TString::Format("PHOS/Module%d/Strip_%d_%d", module, i, j)); | |
56afa9a8 | 160 | AliPHOSStripDelta t(GetStripTransformation(stripNum++, module)); |
3c759505 | 161 | new(array[arrayInd]) |
90dbf5fb | 162 | AliAlignObjParams( |
3c759505 | 163 | stripName.Data(), volid, |
164 | t.fXShift, t.fYShift, t.fZShift, | |
165 | -t.fPsi, -t.fTheta, -t.fPhi, | |
56afa9a8 | 166 | false |
3c759505 | 167 | ); |
168 | ++arrayInd; | |
169 | } | |
170 | } | |
171 | } | |
172 | } | |
173 | ||
174 | //____________________________________________________________________________ | |
175 | void AliPHOSSurvey::CreateNullObjects(TClonesArray &array, const AliPHOSGeometry *phosGeom)const | |
176 | { | |
177 | //Create null shifts and rotations. | |
178 | const AliPHOSEMCAGeometry * emcaGeom = phosGeom->GetEMCAGeometry(); | |
179 | Int_t arrayInd = array.GetEntries(), iIndex = 0; | |
afb6e026 | 180 | AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer; |
181 | UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iIndex); | |
3c759505 | 182 | |
183 | for (Int_t module = 1; module <= phosGeom->GetNModules(); ++module) | |
184 | for (Int_t i = 0; i < emcaGeom->GetNStripX(); ++i) | |
185 | for (Int_t j = 0; j < emcaGeom->GetNStripZ(); ++j) { | |
186 | TString stripName(TString::Format("PHOS/Module%d/Strip_%d_%d", module, i, j)); | |
90dbf5fb | 187 | new(array[arrayInd]) AliAlignObjParams(stripName.Data(), volid, 0., 0., 0., 0., 0., 0., true); |
3c759505 | 188 | ++arrayInd; |
189 | } | |
190 | } | |
191 | ||
192 | //____________________________________________________________________________ | |
56afa9a8 | 193 | AliPHOSSurvey::AliPHOSStripDelta AliPHOSSurvey::GetStripTransformation(Int_t stripIndex, Int_t module)const |
3c759505 | 194 | { |
195 | //Strip 'stripIndex' transformation. | |
56afa9a8 | 196 | AliPHOSStripDelta t = {0., 0., 0., 0., 0., 0.}; |
197 | if (module != 3 || !fStripData) | |
3c759505 | 198 | return t; |
199 | return fStripData[stripIndex]; | |
200 | } | |
42c5218a | 201 | |
202 | //____________________________________________________________________________ | |
203 | void AliPHOSSurvey::InitStripData(const Double_t *xReal, const Double_t *zReal) | |
204 | { | |
205 | const AliPHOSGeometry *phosGeom = AliPHOSGeometry::GetInstance("IHEP", "IHEP"); | |
206 | AliPHOSEMCAGeometry * emcaGeom = phosGeom->GetEMCAGeometry(); | |
207 | const Float_t *strip = emcaGeom->GetStripHalfSize(); | |
07ca2d72 | 208 | const Float_t *cell = emcaGeom->GetAirCellHalfSize(); |
42c5218a | 209 | |
210 | AliPHOSStripCoords *idealStrips = new AliPHOSStripCoords[fStrNum];//1 | |
211 | for (Int_t ix = 0, stripNumber = 0; ix < emcaGeom->GetNStripX(); ++ix) { | |
212 | for (Int_t iz = 0; iz < emcaGeom->GetNStripZ(); ++iz) { | |
213 | AliPHOSStripCoords &str = idealStrips[stripNumber++]; | |
214 | str.fX1 = ix * 2 * strip[0]; | |
215 | str.fX2 = str.fX1 + 14 * cell[0]; | |
216 | str.fZ1 = iz * 2 * strip[2]; | |
217 | str.fZ2 = str.fZ1 + 2 * cell[2]; | |
218 | } | |
219 | } | |
220 | ||
221 | AliPHOSStripCoords *realStrips = new AliPHOSStripCoords[fStrNum];//4 | |
222 | for (Int_t j = 0, stripNumber = 0; j < emcaGeom->GetNStripX() * 2; j += 2) { | |
223 | for (Int_t i = 0; i < emcaGeom->GetNStripZ(); ++i) { | |
224 | AliPHOSStripCoords &str = realStrips[stripNumber++]; | |
225 | str.fX1 = xReal[i + j * emcaGeom->GetNStripZ()]; | |
226 | str.fZ1 = zReal[i + j * emcaGeom->GetNStripZ()]; | |
227 | str.fX2 = xReal[i + (j + 1) * emcaGeom->GetNStripZ()]; | |
228 | str.fZ2 = zReal[i + (j + 1) * emcaGeom->GetNStripZ()]; | |
229 | } | |
230 | } | |
231 | ||
232 | fStripData = new AliPHOSStripDelta[fStrNum]; | |
233 | ||
234 | for (Int_t i = 0; i < fStrNum; ++i) { | |
235 | const AliPHOSStripCoords &real = realStrips[i]; | |
236 | const AliPHOSStripCoords &ideal = idealStrips[i]; | |
237 | AliPHOSStripDelta &t = fStripData[i]; | |
238 | t.fTheta = TMath::ATan((real.fZ2 - real.fZ1) / (real.fX2 - real.fX1)) - | |
239 | TMath::ATan((ideal.fZ2 - ideal.fZ1) / (ideal.fX2 - ideal.fX1)); | |
240 | t.fTheta *= TMath::RadToDeg(); | |
241 | t.fXShift = (real.fX1 + real.fX2) / 2 - (ideal.fX1 + ideal.fX2) / 2; | |
242 | t.fZShift = (real.fZ1 + real.fZ2) / 2 - (ideal.fZ1 + ideal.fZ2) / 2; | |
243 | t.fYShift = 0., t.fPsi = 0., t.fPhi = 0.; | |
244 | } | |
245 | ||
246 | delete [] realStrips; | |
247 | delete [] idealStrips; | |
248 | } |