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7264822f | 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 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Calibration class for DCS sensors // | |
20 | // Authors: Marian Ivanov and Haavard Helstrup // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliDCSSensorArray.h" | |
25 | ||
26 | ClassImp(AliDCSSensorArray) | |
27 | ||
28 | const Int_t kMinGraph = 10; // minimum #points of graph to be fitted | |
29 | const Int_t kMinPoints = 10; // minimum number of points per knot in fit | |
30 | const Int_t kIter = 10; // number of iterations for spline fit | |
31 | const Double_t kMaxDelta = 0.00; // precision parameter for spline fit | |
32 | const Int_t kFitReq = 2; // fit requirement, 2 = continuous 2nd derivative | |
33 | ||
34 | //_____________________________________________________________________________ | |
35 | AliDCSSensorArray::AliDCSSensorArray():TNamed() | |
36 | { | |
37 | // | |
38 | // AliDCSSensorArray default constructor | |
39 | // | |
40 | fSensors = 0; | |
41 | fFirstSensor = 0; | |
42 | fLastSensor = 0; | |
43 | TTimeStamp defTime(2000,1,1,0,0,0); | |
44 | fStartTime = defTime; | |
45 | fEndTime = defTime; | |
46 | ||
47 | } | |
48 | //_____________________________________________________________________________ | |
49 | AliDCSSensorArray::AliDCSSensorArray(Int_t prevRun, const char* dbEntry) | |
50 | { | |
51 | // | |
52 | // Read positions etc. from data base entry for previous run | |
53 | // Delete all fits and graphs | |
54 | // | |
55 | AliDCSSensorArray *temp=0; | |
56 | AliCDBEntry* entry = | |
57 | AliCDBManager::Instance()->Get(dbEntry,prevRun); | |
58 | if (entry){ | |
59 | entry->SetOwner(kTRUE); | |
60 | temp = (AliDCSSensorArray*)entry->GetObject(); | |
61 | } | |
62 | ||
63 | TGraph *gr; | |
64 | AliSplineFit* fit; | |
65 | ||
66 | // Delete previous values | |
67 | ||
68 | Int_t nsensors = temp->fSensors->GetEntries(); | |
69 | for ( Int_t isensor=0; isensor<nsensors; isensor++) { | |
70 | AliDCSSensor *entry = (AliDCSSensor*)temp->fSensors->At(isensor); | |
71 | gr = entry->GetGraph(); | |
72 | if ( gr != 0 ) { | |
73 | delete gr; | |
74 | gr = 0; | |
75 | } | |
76 | fit = entry->GetFit(); | |
77 | if ( fit != 0 ) { | |
78 | delete fit; | |
79 | fit = 0; | |
80 | } | |
81 | } | |
82 | ||
83 | new (this) AliDCSSensorArray(*temp); | |
84 | delete temp; | |
85 | } | |
86 | ||
87 | ||
88 | ||
89 | //_____________________________________________________________________________ | |
90 | AliDCSSensorArray::AliDCSSensorArray(const AliDCSSensorArray &c):TNamed(c) | |
91 | { | |
92 | // | |
93 | // AliDCSSensorArray copy constructor | |
94 | // | |
95 | ||
96 | ((AliDCSSensorArray &) c).Copy(*this); | |
97 | ||
98 | } | |
99 | ||
100 | ///_____________________________________________________________________________ | |
101 | AliDCSSensorArray::~AliDCSSensorArray() | |
102 | { | |
103 | // | |
104 | // AliDCSSensorArray destructor | |
105 | // | |
106 | fSensors->Delete(); | |
107 | delete fSensors; | |
108 | ||
109 | } | |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | AliDCSSensorArray &AliDCSSensorArray::operator=(const AliDCSSensorArray &c) | |
113 | { | |
114 | // | |
115 | // Assignment operator | |
116 | // | |
117 | ||
118 | if (this != &c) ((AliDCSSensorArray &) c).Copy(*this); | |
119 | return *this; | |
120 | ||
121 | } | |
122 | ||
123 | //_____________________________________________________________________________ | |
124 | void AliDCSSensorArray::Copy(TObject &c) const | |
125 | { | |
126 | // | |
127 | // Copy function | |
128 | // | |
129 | ||
130 | TObject::Copy(c); | |
131 | } | |
132 | //_____________________________________________________________________________ | |
133 | void AliDCSSensorArray::SetGraph(TMap *map, const char *amandaString) | |
134 | { | |
135 | // | |
136 | // Read graphs from DCS maps | |
137 | // | |
138 | char dname[100]; | |
139 | Int_t nsensors = fSensors->GetEntries(); | |
140 | for ( Int_t isensor=0; isensor<nsensors; isensor++) { | |
141 | AliDCSSensor *entry = (AliDCSSensor*)fSensors->At(isensor); | |
142 | Int_t dcsSensor=entry->GetIdDCS(); | |
143 | sprintf(dname,amandaString,dcsSensor); | |
144 | TGraph *gr = (TGraph*)map->GetValue(dname); | |
145 | entry->SetGraph(gr); | |
146 | } | |
147 | } | |
148 | //_____________________________________________________________________________ | |
149 | void AliDCSSensorArray::MakeSplineFit(TMap *map, const char *amandaString) | |
150 | { | |
151 | // | |
152 | // Make spline fits from DCS maps | |
153 | // | |
154 | char dname[100]; | |
155 | Int_t nsensors = fSensors->GetEntries(); | |
156 | for ( Int_t isensor=0; isensor<nsensors; isensor++) { | |
157 | AliDCSSensor *entry = (AliDCSSensor*)fSensors->At(isensor); | |
158 | Int_t dcsSensor=entry->GetIdDCS(); | |
159 | sprintf(dname,amandaString,dcsSensor); | |
160 | TGraph *gr = (TGraph*)map->GetValue(dname); | |
161 | if (gr->GetN() < kMinGraph ) continue; | |
162 | AliSplineFit *fit = new AliSplineFit(); | |
163 | fit->InitKnots(gr,kMinPoints,kIter,kMaxDelta); | |
164 | fit->SplineFit(kFitReq); | |
165 | entry->SetStartTime(fStartTime); | |
166 | fit->Cleanup(); | |
167 | entry->SetFit(fit); | |
168 | } | |
169 | } | |
170 | ||
171 | //_____________________________________________________________________________ | |
172 | Double_t AliDCSSensorArray::GetValue(UInt_t timeSec, Int_t sensor) | |
173 | { | |
174 | // | |
175 | // Return sensor value at time timeSec (obtained from fitted function) | |
176 | // timeSec = time in seconds from start of run | |
177 | // | |
178 | AliDCSSensor *entry = (AliDCSSensor*)fSensors->At(sensor); | |
179 | return entry->GetValue(timeSec); | |
180 | } | |
181 | ||
182 | ||
183 | //_____________________________________________________________________________ | |
184 | TMap* AliDCSSensorArray::ExtractDCS(TMap *dcsMap, const char *amandaString) | |
185 | { | |
186 | // | |
187 | // Extract temperature graphs from DCS maps | |
188 | // | |
189 | TMap *values = new TMap; | |
190 | TObjArray * valueSet; | |
191 | for (Int_t dcsSensor = fFirstSensor; dcsSensor<=fLastSensor; dcsSensor++) | |
192 | { | |
193 | TString DPname = Form (amandaString,dcsSensor); | |
194 | valueSet = (TObjArray*)dcsMap->FindObject(DPname.Data()); | |
195 | TGraph *graph = MakeGraph(valueSet); | |
196 | values->Add(new TObjString(DPname.Data()),graph); | |
197 | } | |
198 | return values; | |
199 | } | |
200 | ||
201 | //_____________________________________________________________________________ | |
202 | TGraph* AliDCSSensorArray::MakeGraph(TObjArray* valueSet){ | |
203 | // | |
204 | // Make graph of temperature values read from DCS map | |
205 | // (spline fit parameters will subsequently be obtained from this graph) | |
206 | // | |
207 | Int_t nentries = valueSet->GetEntriesFast(); | |
208 | Float_t *x = new Float_t[nentries]; | |
209 | Float_t *y = new Float_t[nentries]; | |
210 | Int_t time0=0; | |
211 | Int_t out=0; | |
212 | Int_t skipped=0; | |
213 | Float_t value; | |
214 | for (Int_t i=0; i<nentries; i++){ | |
215 | AliDCSValue * val = (AliDCSValue *)valueSet->At(i); | |
216 | if (!val) continue; | |
217 | if (time0==0){ | |
218 | time0=val->GetTimeStamp(); | |
219 | } | |
220 | value = val->GetFloat(); | |
221 | if (TMath::Abs(value)>100) continue; // refuse values exceeding 100 | |
222 | if ( out>0 && skipped<10 && TMath::Abs(value-y[out-1])>5) { | |
223 | skipped++; // refuse temperatures changing | |
224 | continue; // by > 5 degrees in one time step | |
225 | } | |
226 | skipped=0; | |
227 | if (val->GetTimeStamp()-time0>1000000) continue; | |
228 | x[out] = (val->GetTimeStamp()-time0)/3600.0; // give times in fractions of hours | |
229 | y[out] = val->GetFloat(); | |
230 | out++; | |
231 | ||
232 | } | |
233 | TGraph * graph = new TGraph(out,x,y); | |
234 | delete [] x; | |
235 | delete [] y; | |
236 | return graph; | |
237 | } | |
238 | ||
239 | //_____________________________________________________________________________ | |
240 | AliDCSSensor* AliDCSSensorArray::GetSensor(Int_t IdDCS) | |
241 | { | |
242 | // | |
243 | // Return sensor information for sensor specified by IdDCS | |
244 | // | |
245 | Int_t nsensors = fSensors->GetEntries(); | |
246 | for (Int_t isensor=0; isensor<nsensors; isensor++) { | |
247 | AliDCSSensor *entry = (AliDCSSensor*)fSensors->At(isensor); | |
248 | if (entry->GetIdDCS() == IdDCS) return entry; | |
249 | } | |
250 | return 0; | |
251 | } | |
252 | //_____________________________________________________________________________ | |
253 | AliDCSSensor* AliDCSSensorArray::GetSensor(Double_t x, Double_t y, Double_t z) | |
254 | { | |
255 | // | |
256 | // Return sensor closest to given position | |
257 | // | |
258 | Int_t nsensors = fSensors->GetEntries(); | |
259 | Double_t dist2min=1e99; | |
260 | Double_t xs,ys,zs,dist2; | |
261 | Int_t ind=-1; | |
262 | for (Int_t isensor=0; isensor<nsensors; isensor++) { | |
263 | AliDCSSensor *entry = (AliDCSSensor*)fSensors->At(isensor); | |
264 | xs = entry->GetX(); | |
265 | ys = entry->GetY(); | |
266 | zs = entry->GetZ(); | |
267 | dist2 = (x-xs)*(x-xs) + (y-ys)*(y-ys) + (z-zs)*(z-zs); | |
268 | if (dist2 < dist2min) { | |
269 | ind=isensor; | |
270 | dist2min = dist2; | |
271 | } | |
272 | } | |
273 | if ( ind >= 0 ) { | |
274 | return (AliDCSSensor*)fSensors->At(ind); | |
275 | } else { | |
276 | return 0; | |
277 | } | |
278 | } |