ITS/ITSbase/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  *                                                                        *
   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 class for SDD drift speed               //
  21 // Origin: F.Prino, Torino, prino@to.infn.it                     //
  22 //                                                               //
  23 ///////////////////////////////////////////////////////////////////
  24
  25 #include "AliITSDriftSpeedSDD.h"
  26 #include "AliLog.h"
  27
  28 const Float_t AliITSDriftSpeedSDD::fgkDriftSpeedDefault = 7.3;
  29
  30 ClassImp(AliITSDriftSpeedSDD)
  31 //______________________________________________________________________
  32 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD():
  33 TObject(),
  34 fEvNum(0),
  35 fTimestamp(0),
  36 fPolDeg(0){
  37   // default constructor
  38   fDriftSpeedParam[0]=fgkDriftSpeedDefault;
  39   for(Int_t i=1; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=0;
  40 }
  41 //______________________________________________________________________
  42 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD(Int_t ev, UInt_t timest, Int_t deg, Double_t *coeff):
  43 TObject(),
  44 fEvNum(ev),
  45 fTimestamp(timest),
  46 fPolDeg(deg){
  47   // standard constructor
  48   if(deg>fgkMaxPolDeg){
  49     fPolDeg=fgkMaxPolDeg;
  50     AliWarning(Form("Polynomial degree must be <%d. Drift speed parametrization limited to %dth degree poly.\n",fgkMaxPolDeg,fgkMaxPolDeg));
  51   }
  52   for(Int_t i=0; i<fPolDeg+1; i++) fDriftSpeedParam[i]=coeff[i];
  53   for(Int_t i=fPolDeg+1; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=0;
  54 }
  55 //______________________________________________________________________
  56 AliITSDriftSpeedSDD::AliITSDriftSpeedSDD(const AliITSDriftSpeedSDD& drSpeed):
  57 TObject(),
  58 fEvNum(drSpeed.fEvNum),
  59 fTimestamp(drSpeed.fTimestamp),
  60 fPolDeg(drSpeed.fPolDeg)
  61 {
  62   // copy constructor
  63   for(Int_t i=0; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=drSpeed.GetDriftSpeedParameter(i);
  64
  65 }
  66 //_____________________________________________________________________________
  67 AliITSDriftSpeedSDD& AliITSDriftSpeedSDD::operator=(const AliITSDriftSpeedSDD &drSpeed){
  68   // Assignment operator
  69  if(this==&drSpeed) return *this;
  70   ((TObject *)this)->operator=(drSpeed);
  71   fEvNum = drSpeed.fEvNum;
  72   fTimestamp = drSpeed.fTimestamp;
  73   fPolDeg = drSpeed.fPolDeg;
  74   for(Int_t i=0; i<fgkMaxPolDeg+1; i++) fDriftSpeedParam[i]=drSpeed.GetDriftSpeedParameter(i);
  75   return *this;
  76 }
  77
  78 //______________________________________________________________________
  79 void AliITSDriftSpeedSDD::PrintDriftSpeedParameters() const {
  80   // printout drift speed parametrization
  81   printf("Injector event #%d at time %d\n",fEvNum,fTimestamp);
  82   printf("Coefficients of %d degree poly fit:\n",fPolDeg);
  83   for(Int_t i=0; i<fgkMaxPolDeg+1; i++) printf("par[%d]=%G\n",i,fDriftSpeedParam[i]);
  84 }