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54af1add | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, 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 | /////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Implementation of the base class for SDD map corrections // | |
21 | // Origin: F.Prino, Torino, prino@to.infn.it // | |
22 | // // | |
23 | /////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "TH1F.h" | |
26 | #include "TH2F.h" | |
27 | #include "AliITSCorrMapSDD.h" | |
28 | ||
29 | const Int_t AliITSCorrMapSDD::fgkNAnodePtsDefault = 1; | |
30 | const Int_t AliITSCorrMapSDD::fgkNDriftPtsDefault = 72; | |
31 | ||
32 | ClassImp(AliITSCorrMapSDD) | |
33 | //______________________________________________________________________ | |
34 | AliITSCorrMapSDD::AliITSCorrMapSDD(): | |
35 | TNamed("defaultmap",""), | |
36 | fNAnodePts(fgkNAnodePtsDefault), | |
37 | fNDriftPts(fgkNDriftPtsDefault) | |
38 | { | |
39 | // default constructor | |
40 | } | |
41 | //______________________________________________________________________ | |
42 | AliITSCorrMapSDD::AliITSCorrMapSDD(Char_t *mapname): | |
43 | TNamed(mapname,""), | |
44 | fNAnodePts(fgkNAnodePtsDefault), | |
45 | fNDriftPts(fgkNDriftPtsDefault) | |
46 | { | |
47 | // standard constructor | |
48 | } | |
49 | //______________________________________________________________________ | |
50 | Float_t AliITSCorrMapSDD::GetCorrection(Float_t z, Float_t x, AliITSsegmentationSDD *seg){ | |
51 | // returns correction in cm starting from local coordinates on the module | |
52 | const Double_t kMicronTocm = 1.0e-4; | |
53 | Int_t nAnodes=seg->Npz(); | |
54 | Int_t nAnodesHybrid=seg->NpzHalf(); | |
55 | Int_t bina =(Int_t) seg->GetAnodeFromLocal(x,z); | |
56 | if(bina>nAnodes) AliError("Wrong anode anumber!"); | |
57 | if(bina>=nAnodesHybrid) bina-=nAnodesHybrid; | |
58 | Float_t stept = seg->Dx()*kMicronTocm/(Float_t)fNDriftPts; | |
6c790b32 | 59 | Float_t drLen= seg->Dx()*kMicronTocm-TMath::Abs(x); |
60 | Int_t bint = TMath::Abs((Int_t)(drLen/stept)); | |
54af1add | 61 | if(bint==fNDriftPts) bint-=1; |
62 | if(bint>=fNDriftPts) AliError("Wrong bin number along drift direction!"); | |
63 | return kMicronTocm*GetCellContent(bina,bint); | |
64 | } | |
65 | //______________________________________________________________________ | |
66 | TH2F* AliITSCorrMapSDD::GetMapHisto() const{ | |
67 | // Returns a TH2F histogram with map of residuals | |
68 | Char_t hname[50]; | |
69 | sprintf(hname,"h%s",GetName()); | |
70 | TH2F* hmap=new TH2F(hname,"",fNAnodePts,-0.5,255.5,fNDriftPts,0.,35.); | |
71 | for(Int_t iAn=0;iAn<fNAnodePts; iAn++){ | |
72 | for(Int_t iDr=0;iDr<fNDriftPts; iDr++){ | |
73 | hmap->SetBinContent(iAn+1,iDr+1,GetCellContent(iAn,iDr)); | |
74 | } | |
75 | } | |
76 | return hmap; | |
77 | } | |
78 | //______________________________________________________________________ | |
6c790b32 | 79 | TH1F* AliITSCorrMapSDD::GetMapProfile() const{ |
80 | // Returns a TH1F with the projection of the map along drift coordinate | |
81 | Char_t hname[50]; | |
82 | sprintf(hname,"p%s",GetName()); | |
83 | TH1F* hprof=new TH1F(hname,"",fNDriftPts,0.,35.); | |
84 | for(Int_t iDr=0;iDr<fNDriftPts; iDr++){ | |
85 | Float_t meanval=0.; | |
86 | for(Int_t iAn=0;iAn<fNAnodePts; iAn++){ | |
87 | meanval+=GetCellContent(iAn,iDr); | |
88 | } | |
89 | hprof->SetBinContent(iDr+1,meanval/fNAnodePts); | |
90 | } | |
91 | return hprof; | |
92 | ||
93 | } | |
94 | //______________________________________________________________________ | |
54af1add | 95 | TH1F* AliITSCorrMapSDD::GetResidualDistr(Float_t dmin, Float_t dmax) const{ |
96 | // Returns a TH1F histogram with distribution of residual | |
97 | Char_t hname[50]; | |
98 | sprintf(hname,"hd%s",GetName()); | |
99 | TH1F* hd=new TH1F(hname,"",100,dmin,dmax); | |
100 | for(Int_t iAn=0;iAn<fNAnodePts; iAn++){ | |
101 | for(Int_t iDr=0;iDr<fNDriftPts; iDr++){ | |
102 | hd->Fill(GetCellContent(iAn,iDr)); | |
103 | } | |
104 | } | |
105 | return hd; | |
106 | } |