Script to get # of dead channels from OCDB
[u/mrichter/AliRoot.git] / FMD / scripts / DrawDigits.C
CommitLineData
15b17c89 1//____________________________________________________________________
2//
3// $Id$
4//
5// Script that contains a class to draw eloss from hits, versus ADC
6// counts from digits, using the AliFMDInputHits class in the util library.
7//
8// It draws the energy loss versus the p/(mq^2). It can be overlayed
9// with the Bethe-Bloc curve to show how the simulation behaves
10// relative to the expected.
11//
12// Use the script `Compile.C' to compile this class using ACLic.
13//
14#include <TH1D.h>
15#include <AliFMDHit.h>
16#include <AliFMDDigit.h>
17#include <AliFMDInput.h>
18#include <AliFMDEdepMap.h>
19#include <iostream>
20#include <TStyle.h>
21#include <TArrayF.h>
22#include <AliLog.h>
23
24/** @class DrawDigits
25 @brief Draw hit energy loss versus digit ADC
26 @code
27 Root> .L Compile.C
28 Root> Compile("DrawDigits.C")
29 Root> DrawDigits c
30 Root> c.Run();
31 @endcode
32 @ingroup FMD_script
33 */
34class DrawDigits : public AliFMDInput
35{
36private:
37 TH1D* fAdc; // Histogram
38public:
39 //__________________________________________________________________
69893a66 40 DrawDigits(Int_t m=1100, Double_t amin=-0.5, Double_t amax=1023.5)
faf80567 41 : AliFMDInput("galice.root")
15b17c89 42 {
43 AddLoad(kDigits);
44 fAdc = new TH1D("adc", "ADC", m, amin, amax);
45 fAdc->SetXTitle("ADC value");
69893a66 46 fAdc->Sumw2();
15b17c89 47 }
48 //__________________________________________________________________
49 Bool_t ProcessDigit(AliFMDDigit* digit)
50 {
51 if (!digit) return kTRUE;
52 fAdc->Fill(digit->Counts());
faf80567 53 digit->Print("l");
15b17c89 54 return kTRUE;
55 }
56 //__________________________________________________________________
57 Bool_t Finish()
58 {
59 gStyle->SetPalette(1);
60 gStyle->SetOptTitle(0);
61 gStyle->SetCanvasColor(0);
62 gStyle->SetCanvasBorderSize(0);
63 gStyle->SetPadColor(0);
64 gStyle->SetPadBorderSize(0);
65 fAdc->SetStats(kFALSE);
69893a66 66 fAdc->Scale(1. / fAdc->GetEntries());
15b17c89 67 fAdc->Draw();
68 return kTRUE;
69 }
70
71 ClassDef(DrawDigits,0);
72};
73
74//____________________________________________________________________
75//
76// EOF
77//