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0af6f9be | 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 | /* | |
17 | $Log$ | |
18 | Revision 1.1 2007/10/01 14:12:45 pchrist | |
19 | Class creating the aligmnent object fro the surveyor measurements. | |
20 | ||
21 | */ | |
22 | ||
23 | // | |
24 | // Creates the SSD align object | |
25 | // | |
26 | // | |
27 | #include "Riostream.h" | |
28 | #include "TFile.h" | |
29 | #include "TSystem.h" | |
30 | #include "TClonesArray.h" | |
31 | #include "TGeoManager.h" | |
32 | #include "TGeoMatrix.h" | |
33 | #include "TGeoPhysicalNode.h" | |
34 | ||
35 | #include "AliITSSurveyToAlignSSD.h" | |
36 | #include "AliSurveyObj.h" | |
37 | #include "AliSurveyPoint.h" | |
38 | #include "AliAlignObjParams.h" | |
39 | ||
40 | #include "AliLog.h" | |
41 | ||
42 | #include "AliCDBManager.h" | |
43 | #include "AliCDBEntry.h" | |
44 | #include "AliCDBStorage.h" | |
45 | ||
46 | ClassImp(AliITSSurveyToAlignSSD) | |
47 | ||
48 | //________________________________________________________________________ | |
49 | AliITSSurveyToAlignSSD::AliITSSurveyToAlignSSD() : | |
50 | TObject(), | |
51 | fRun(0), | |
52 | fFileLoc(0x0), | |
53 | fFileGlob(0x0), | |
54 | fSurveyPoints(0), | |
55 | fSSDAlignObj(new TClonesArray("AliAlignObjParams",100)), | |
56 | fSSDAlignObjParam(0), | |
57 | fDebug(0) { | |
58 | // | |
59 | // default constructor | |
60 | // | |
61 | } | |
62 | ||
63 | //________________________________________________________________________ | |
3a4cb7b6 | 64 | AliITSSurveyToAlignSSD::AliITSSurveyToAlignSSD(Int_t /* run */, Int_t reportloc, Int_t reportglob) : |
0af6f9be | 65 | TObject(), |
66 | fRun(0), | |
67 | fFileLoc(0x0), | |
68 | fFileGlob(0x0), | |
69 | fSurveyPoints(0), | |
70 | fSSDAlignObj(new TClonesArray("AliAlignObjParams",100)), | |
71 | fSSDAlignObjParam(0), | |
72 | fDebug(0) { | |
73 | // | |
74 | // constructor - defines data files | |
75 | // | |
76 | fFileLoc = new Char_t[80]; | |
77 | fFileGlob = new Char_t[80]; | |
78 | Char_t path[50]; | |
79 | sprintf(path,gSystem->Getenv("ALICE_ROOT")); | |
80 | // | |
81 | sprintf(fFileLoc,"%s/ITS/Survey_SSD_%d.txt",path,reportloc); | |
82 | sprintf(fFileGlob,"%s/ITS/Survey_SSD_%d.txt",path,reportglob); | |
83 | // | |
84 | ||
85 | } | |
86 | //_________________________________________________________________________ | |
87 | AliITSSurveyToAlignSSD::AliITSSurveyToAlignSSD(const AliITSSurveyToAlignSSD &align) : | |
88 | TObject(), | |
3a4cb7b6 | 89 | fRun(0), |
0af6f9be | 90 | fFileLoc(0x0), |
91 | fFileGlob(0x0), | |
92 | fSurveyPoints(0), | |
93 | fSSDAlignObj(new TClonesArray("AliAlignObjParams",100)), | |
94 | fSSDAlignObjParam(0), | |
95 | fDebug(0) { | |
96 | // | |
97 | // copy constructor - dummy | |
98 | ||
99 | fDebug = align.fDebug; | |
100 | } | |
101 | ||
102 | //__________________________________________________________________________ | |
103 | AliITSSurveyToAlignSSD & AliITSSurveyToAlignSSD::operator =(const AliITSSurveyToAlignSSD & align) { | |
104 | // | |
105 | // assignment operator - dummy | |
106 | // | |
107 | fDebug = align.fDebug; | |
108 | return (*this); | |
109 | } | |
110 | ||
111 | //__________________________________________________________________________ | |
112 | AliITSSurveyToAlignSSD::~AliITSSurveyToAlignSSD() { | |
113 | // | |
114 | // destructor | |
115 | // | |
116 | if(fSurveyPoints) delete fSurveyPoints; | |
117 | if(fSSDAlignObj) delete fSSDAlignObj; | |
118 | if(fSSDAlignObjParam) delete fSSDAlignObjParam; | |
119 | } | |
120 | ||
121 | //______________________________________________________________________ | |
122 | void AliITSSurveyToAlignSSD::Run() { | |
123 | // | |
124 | // runs the full chain | |
125 | // | |
126 | SetDebug(0); | |
127 | Bool_t flag = LoadSurveyData(); | |
128 | if(!flag) { | |
129 | cout<<"Missing points"<<endl; | |
130 | return; | |
131 | } | |
132 | CreateAlignObj(); | |
133 | StoreAlignObj(); | |
134 | // | |
135 | } | |
136 | ||
137 | //__________________________________________________________________________ | |
138 | Bool_t AliITSSurveyToAlignSSD::LoadSurveyData() { | |
139 | // | |
140 | // for a time being it loads from the local file the surveyed point | |
141 | // and has the ideal points hardwired. I am waiting until Ricardo | |
142 | // completes his job | |
143 | // | |
144 | ||
145 | //Load survey data from the local file | |
146 | AliSurveyObj * s1 = new AliSurveyObj(); | |
147 | if(s1->FillFromLocalFile(fFileGlob)) | |
148 | fSurveyPoints = s1->GetData(); | |
149 | else | |
150 | return kFALSE; | |
151 | ||
152 | cout<<"Number of SSD survey points: "<<fSurveyPoints->GetEntries()<<endl; | |
153 | ||
154 | return kTRUE; | |
155 | } | |
156 | ||
157 | //_______________________________________________________________________ | |
158 | void AliITSSurveyToAlignSSD::CreateAlignObj(){ | |
159 | // | |
160 | // This method creates AliAlignObj and fills it with Euler angles | |
161 | // and shifts. The units are degrees and cm. | |
162 | // | |
163 | TClonesArray &alobj = *fSSDAlignObj; | |
164 | ||
165 | //load ideal geometry from the OCDB | |
166 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
167 | cdb->SetDefaultStorage("local://$ALICE_ROOT"); | |
168 | cdb->SetRun(fRun); | |
169 | AliCDBEntry* entry = cdb->Get("GRP/Geometry/Data"); | |
170 | AliGeomManager::SetGeometry(gGeoManager); | |
171 | ||
172 | AliSurveyPoint* pt = 0; | |
173 | TGeoHMatrix* hm = 0; | |
174 | TGeoPNEntry* pne = 0; | |
175 | Double_t* tr; | |
176 | Int_t uid; | |
177 | const char* symname; | |
178 | Double_t sx, sy, sz; | |
179 | Int_t ilayer, imodule; | |
180 | ||
181 | for(Int_t imod = 0; imod < fSurveyPoints->GetEntries(); imod++) { | |
182 | pt = (AliSurveyPoint*) fSurveyPoints->At(imod); | |
183 | if(!pt) continue; | |
432925f4 | 184 | sx = pt->GetX(); |
185 | sy = pt->GetY(); | |
186 | sz = pt->GetZ(); | |
0af6f9be | 187 | |
188 | ilayer = (imod < 748) ? AliGeomManager::kSSD1 : AliGeomManager::kSSD2; | |
189 | imodule = (imod < 748) ? imod : imod - 748; | |
190 | ||
191 | uid = AliGeomManager::LayerToVolUID(ilayer,imodule); | |
192 | symname = AliGeomManager::SymName(uid); | |
193 | pne = gGeoManager->GetAlignableEntryByUID(uid); | |
194 | hm = pne->GetGlobalOrig(); | |
195 | tr = hm->GetTranslation(); | |
196 | ||
197 | //Printf("symname %s", symname); | |
198 | //Printf("x,y,z from survey: %f %f %f", sx, sy, sz); | |
199 | //Printf("x,y,z from ideal : %f %f %f", tr[0], tr[1], tr[2]); | |
200 | ||
201 | new(alobj[imod]) AliAlignObjParams(symname, uid, sx-tr[0], sy-tr[1], sz-tr[2], 0., 0., 0., kTRUE); | |
202 | }//module loop | |
203 | ||
204 | delete entry; | |
205 | } | |
206 | ||
207 | //_________________________________________________________________________ | |
208 | void AliITSSurveyToAlignSSD::StoreAlignObj(){ | |
209 | // Stores the TClonesArray of AliAlignObj in | |
210 | // $ALICE_ROOT/ITS/Align/Data/SSDfromSurvey.root | |
211 | // In a later version these objects will be merged | |
212 | // with the SDD ones and will be put in the OCDB | |
213 | const char* filename = "$ALICE_ROOT/ITS/Align/Data/SSDfromSurvey.root"; | |
214 | TFile *f = TFile::Open(filename,"RECREATE"); | |
215 | if(!f){ | |
216 | Error(filename,"cannot open file for output\n"); | |
217 | return; | |
218 | } | |
219 | cout<<"Saving alignment objects to the file "<<filename<<endl; | |
220 | f->cd(); | |
221 | f->WriteObject(fSSDAlignObj,"SSDAlignObjs","kSingleKey"); | |
222 | f->Close(); | |
223 | ||
224 | } |