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14 **************************************************************************/
16 /** @file AliFMDCalibPedestal.cxx
17 @author Christian Holm Christensen <cholm@nbi.dk>
18 @date Sun Mar 26 18:30:36 2006
19 @brief Per strip pedestal calibration
22 //____________________________________________________________________
24 // This class stores a pedestal and pedestal width for each strip in
26 // The values are stored as floats, since they may be results from a
28 // Need to make algorithm that makes this data
30 #include "AliFMDCalibPedestal.h" // ALIFMDCALIBPEDESTAL_H
34 #include "AliFMDDebug.h"
35 #include "AliFMDBoolMap.h"
37 //____________________________________________________________________
38 ClassImp(AliFMDCalibPedestal)
40 ; // This is here to keep Emacs for indenting the next line
43 //____________________________________________________________________
44 AliFMDCalibPedestal::AliFMDCalibPedestal()
45 : fValue(0), // nDet == 0 mean 51200 entries
46 fWidth(0) // nDet == 0 mean 51200 entries
53 //____________________________________________________________________
54 AliFMDCalibPedestal::AliFMDCalibPedestal(const AliFMDCalibPedestal& o)
62 //____________________________________________________________________
64 AliFMDCalibPedestal::operator=(const AliFMDCalibPedestal& o)
66 // Assignment operator
67 if (&o == this) return *this;
73 //____________________________________________________________________
75 AliFMDCalibPedestal::Set(UShort_t det, Char_t ring, UShort_t sec,
76 UShort_t str, Float_t ped, Float_t pedW)
78 // set value and width for a strip
79 if (fValue.CheckIndex(det, ring, sec, str) < 0) return;
80 fValue(det, ring, sec, str) = ped;
81 fWidth(det, ring, sec, str) = pedW;
84 //____________________________________________________________________
86 AliFMDCalibPedestal::Value(UShort_t det, Char_t ring, UShort_t sec,
89 // Get pedestal value for a strip
90 return fValue(det, ring, sec, str);
93 //____________________________________________________________________
95 AliFMDCalibPedestal::Width(UShort_t det, Char_t ring, UShort_t sec,
98 // Get pedestal width for a strip
99 return fWidth(det, ring, sec, str);
102 //____________________________________________________________________
104 struct MakeDead : public AliFMDMap::ForOne
106 MakeDead(AliFMDBoolMap* dead, Float_t max)
107 : fDead(dead), fMax(max), fCount(0)
109 MakeDead(const MakeDead& other)
110 : AliFMDMap::ForOne(other),
111 fDead(other.fDead), fMax(other.fMax), fCount(other.fCount)
113 MakeDead& operator=(const MakeDead& other)
115 if (&other == this) return *this;
118 fCount = other.fCount;
121 Bool_t operator()(UShort_t d, Char_t r, UShort_t s, UShort_t t, Float_t v)
123 AliDebugGeneral("AliFMDCalibPedestal::MakeDeadMap", 100,
124 Form("Checking if noise of FMD%d%c[%2d,%3d]=%f "
125 "is larger than %f", d, r, s, t, v, fMax));
127 fDead->operator()(d,r,s,t) = kTRUE;
132 Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, Int_t)
134 Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, UShort_t)
136 Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, Bool_t)
138 AliFMDBoolMap* fDead;
144 //____________________________________________________________________
146 AliFMDCalibPedestal::MakeDeadMap(Float_t maxW, AliFMDBoolMap* dead) const
149 // Make a dead map based on the noise of the channels. If the noise
150 // of a paraticular channel is larger than @a maxW, then the channel
151 // is marked as dead.
153 // If the argument @a dead is non-null, then the map passed is
154 // modified. That is, channels marked as dead in the map will
155 // remain marked. Channels that meat the criterion (noise larger
156 // than @a maxW) will in addition be marked as dead.
158 // If the argument @a dead is null, then a new map is created and a
159 // pointer to this will be returned.
162 // maxW Maximum value of noise for a channel before it is
164 // dead If non-null, then modify this map.
167 // A pointer to possibly newly allocated dead map.
170 dead = new AliFMDBoolMap(0,0,0,0);
173 MakeDead dm(dead, maxW);
175 AliFMDDebug(1, ("Found a total of %d dead channels", dm.fCount));
179 //____________________________________________________________________
181 AliFMDCalibPedestal::ReadFromFile(std::istream& in)
184 // Read information from file and set values
192 if(!header.Contains("pedestals")) {
193 AliError("File does not contain pedestals!");
202 while(in.peek()!=EOF) {
204 AliError(Form("Bad read at line %d in input", lineno));
207 UShort_t det, sec, strip;
209 Float_t ped, noise, mu, sigma, chi2ndf;
223 Set(det,ring,sec,strip,ped,noise);
227 //____________________________________________________________________