Line data    Source code

       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 to apply SDD map corrections      //
      21             : // Origin: F.Prino, Torino, prino@to.infn.it                     //
      22             : //                                                               //
      23             : ///////////////////////////////////////////////////////////////////
      24             : 
      25             : #include "TObjArray.h"
      26             : #include "TString.h"
      27             : #include "TFile.h"
      28             : #include "AliLog.h"
      29             : #include "AliCDBEntry.h"
      30             : #include "AliITSCorrMapSDD.h"
      31             : #include "AliITSCorrectSDDPoints.h"
      32             : #include "AliITSsegmentationSDD.h"
      33             : 
      34         116 : ClassImp(AliITSCorrectSDDPoints)
      35             : 
      36             : //______________________________________________________________________
      37             : AliITSCorrectSDDPoints::AliITSCorrectSDDPoints():
      38           0 :   TObject(),
      39           0 :   fArrayOfMaps(0),
      40           0 :   fSegmentationSDD(0)
      41           0 : {
      42             :   // default constructor
      43           0 :   TFile* fil=new TFile("$ALICE_ROOT/OCDB/ITS/Calib/MapsTimeSDD/Run0_9999999_v0_s0.root");
      44           0 :   AliCDBEntry* e=(AliCDBEntry*)fil->Get("AliCDBEntry");
      45           0 :   fArrayOfMaps=(TObjArray*)e->GetObject();
      46           0 :   e->SetOwner(kTRUE);
      47           0 :   fil->Close();
      48           0 :   AliInfo(Form("%d AliITSCorrMapSDD objects in file %s",fArrayOfMaps->GetEntries(),fil->GetName()));
      49           0 :   fSegmentationSDD=new AliITSsegmentationSDD();
      50           0 : }
      51             : 
      52             : //______________________________________________________________________
      53             : AliITSCorrectSDDPoints::AliITSCorrectSDDPoints(TObjArray* maps):
      54           0 :   TObject(),
      55           0 :   fArrayOfMaps(maps),
      56           0 :   fSegmentationSDD(new AliITSsegmentationSDD())
      57           0 : {
      58             :   // constructor from external array
      59           0 : }
      60             : 
      61             : //______________________________________________________________________
      62             : AliITSCorrectSDDPoints::AliITSCorrectSDDPoints(TString filname):
      63           0 :   TObject(),
      64           0 :   fArrayOfMaps(0),
      65           0 :   fSegmentationSDD(0)
      66           0 : {
      67             :   // standard constructor
      68           0 :   TFile* fil=new TFile(filname.Data());
      69           0 :   AliCDBEntry* e=(AliCDBEntry*)fil->Get("AliCDBEntry");
      70           0 :   fArrayOfMaps=(TObjArray*)e->GetObject();
      71           0 :   e->SetOwner(kTRUE);
      72           0 :   fil->Close();
      73           0 :   AliInfo(Form("%d AliITSCorrMapSDD objects in file %s",fArrayOfMaps->GetEntries(),fil->GetName()));
      74           0 :   fSegmentationSDD=new AliITSsegmentationSDD();
      75           0 : }
      76             : 
      77             : //______________________________________________________________________
      78           0 : AliITSCorrectSDDPoints::~AliITSCorrectSDDPoints(){
      79             :   //
      80           0 :   if(fArrayOfMaps) delete fArrayOfMaps;
      81           0 : }
      82             : 
      83             : //______________________________________________________________________
      84             : void AliITSCorrectSDDPoints::SetCorrectionMaps(const TObjArray *arr)
      85             : {
      86             :   // replace the maps
      87           0 :   delete fArrayOfMaps;
      88           0 :   fArrayOfMaps = (TObjArray*)arr;
      89           0 : }
      90             : 
      91             : //______________________________________________________________________
      92             : Float_t AliITSCorrectSDDPoints::GetCorrection(Int_t modId, Float_t zloc, Float_t xloc) const{
      93             :   // returns correction to SDD drift corrdinate in cm
      94           0 :   Int_t nSide=fSegmentationSDD->GetSideFromLocalX(xloc);
      95           0 :   Int_t iSide=2*(modId-240)+nSide;
      96           0 :   if(iSide<0 || iSide >= 520){ 
      97           0 :     AliError(Form("Side out of range %d",iSide));
      98           0 :     return 0.;
      99             :   }
     100           0 :   AliITSCorrMapSDD* m=(AliITSCorrMapSDD*)fArrayOfMaps->At(iSide);
     101           0 :   return m->GetCorrection(zloc,xloc,fSegmentationSDD);
     102           0 : }