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