plitting of drift speed (updated at every physics run) from other calibration paramet...
[u/mrichter/AliRoot.git] / ITS / AliITSDriftSpeedSDD.cxx
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  *                                                                        *
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10  * copies and that both the copyright notice and this permission notice   *
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15
16 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////
19 //                                                               //
20 // Implementation of the class for SDD drift speed               //
21 // Origin: F.Prino, Torino, prino@to.infn.it                     //
22 //                                                               //
23 ///////////////////////////////////////////////////////////////////
24
25 #include "AliITSDriftSpeedSDD.h"
26 #include "AliITSresponseSDD.h"
27 #include "AliLog.h"
28
29 ClassImp(AliITSDriftSpeedSDD)
30 //______________________________________________________________________
31 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD():
32 TObject(),
33 fEvNum(0),
34 fTimestamp(0),
35 fPolDeg(0){
36   // default constructor
37   fDriftSpeedParam[0]=AliITSresponseSDD::DefaultDriftSpeed();
38   for(Int_t i=1; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=0;
39 }
40 //______________________________________________________________________
41 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD(Int_t ev, UInt_t timest, Int_t deg, Float_t *coeff):
42 TObject(),
43 fEvNum(ev),
44 fTimestamp(timest),
45 fPolDeg(deg){
46   // standard constructor
47   if(deg>fgkMaxPolDeg){
48     fPolDeg=fgkMaxPolDeg;
49     AliWarning(Form("Polynomial degree must be <%d. Drift speed parametrization limited to %dth degree poly.\n",fgkMaxPolDeg,fgkMaxPolDeg));
50   }
51   for(Int_t i=0; i<fPolDeg+1; i++) fDriftSpeedParam[i]=coeff[i];
52   for(Int_t i=fPolDeg+1; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=0;
53 }
54 //______________________________________________________________________
55 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD(const AliITSDriftSpeedSDD& drSpeed):
56 TObject(),
57 fEvNum(drSpeed.fEvNum),
58 fTimestamp(drSpeed.fTimestamp),
59 fPolDeg(drSpeed.fPolDeg)
60 {
61   // copy constructor
62   for(Int_t i=0; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=drSpeed.GetDriftSpeedParameter(i);
63   
64 }
65 //______________________________________________________________________
66 void AliITSDriftSpeedSDD::PrintDriftSpeedParameters() const {
67   // printout drift speed parametrization
68   printf("Injector event #%d at time %d\n",fEvNum,fTimestamp);
69   printf("Coefficients of %d degree poly fit:\n",fPolDeg);
70   for(Int_t i=0; i<fgkMaxPolDeg+1; i++) printf("par[%d]=%f\n",i,fDriftSpeedParam[i]);
71 }