Line data    Source code

       1             : /**************************************************************************
       2             :  * Copyright(c) 2007-2010, 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             : //========================================================================
      17             : //
      18             : // This class generates misalignment for ZDC. In particular it defines
      19             : // the misalignment in the three canonical scenarios: "ideal", "residual"
      20             : // and "full".
      21             : // It is meant to be run standalone or from the steering macro
      22             : // $ALICE_ROOT/macros/MakeAlignmentObjs.C
      23             : // looping on the detectors.
      24             : //
      25             : //========================================================================
      26             : 
      27             : #include "AliZDCMisAligner.h"
      28             : #include "AliGeomManager.h"
      29             : #include "TClonesArray.h"
      30             : #include "AliAlignObjParams.h"
      31             : #include "AliLog.h"
      32             : 
      33          12 : ClassImp(AliZDCMisAligner)
      34             : 
      35             :     //_______________________________________________________________________________________
      36           0 : AliZDCMisAligner::AliZDCMisAligner() : AliMisAligner()
      37           0 : {
      38             :     //
      39             :     // dummy constructor
      40             :     //
      41           0 : }
      42             : 
      43             : //_______________________________________________________________________________________
      44             : TClonesArray* AliZDCMisAligner::MakeAlObjsArray() {
      45             :     // builds and returns the array of alignment objects
      46             :     // according to the spcified misalignment scenario
      47             :     // ("ideal", "residual" or "full").
      48             :     //
      49           0 :     TClonesArray *array = new TClonesArray("AliAlignObjParams",10);
      50             :     TClonesArray &alobj = *array;
      51             : 
      52             :     Double_t dx,dy,dz,dpsi,dtheta,dphi;
      53           0 :     if(TString(GetMisalType())=="ideal")
      54             :     {
      55             :         dx=0., dy=0., dz=0.;
      56             :         dpsi=0., dtheta=0., dphi=0.;
      57           0 :     }else if(TString(GetMisalType())=="residual" || TString(GetMisalType())=="full")
      58             :     {
      59             :         dx=0., dy=0.05, dz=0.;
      60             :         dpsi=0., dtheta=0., dphi=0.;
      61             :     }else{
      62           0 :         AliError(Form("\"%s\" is not a valid identifier for misalignment types. Exiting ...",GetMisalType()));
      63           0 :         return 0;
      64             :     }
      65             : 
      66             :     const char *zdcCn="ZDC/NeutronZDC_C";
      67             :     const char *zdcCp="ZDC/ProtonZDC_C";
      68             :     const char *zdcAn="ZDC/NeutronZDC_A";
      69             :     const char *zdcAp="ZDC/ProtonZDC_A";
      70             : 
      71             :     UShort_t iIndex=0;
      72             :     AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer;
      73           0 :     UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iIndex);
      74             : 
      75           0 :     new(alobj[0]) AliAlignObjParams(zdcCn, volid, dx, dy, dz, dpsi, dtheta, dphi, kTRUE);
      76           0 :     new(alobj[1]) AliAlignObjParams(zdcCp, volid, dx, dy, dz, dpsi, dtheta, dphi, kTRUE);
      77           0 :     new(alobj[2]) AliAlignObjParams(zdcAn, volid, dx, dy, dz, dpsi, dtheta, dphi, kTRUE);
      78           0 :     new(alobj[3]) AliAlignObjParams(zdcAp, volid, dx, dy, dz, dpsi, dtheta, dphi, kTRUE);
      79             : 
      80             :     return array;
      81           0 : }
      82             : 
      83             : //_______________________________________________________________________________________
      84             : AliCDBMetaData* AliZDCMisAligner::GetCDBMetaData() const {
      85             :     // Returns the comment and responsible for the
      86             :     // AliCDBMetaData to be associated with the OCDB entry
      87             :     // containing the ZDC array of misalignment objects
      88             :     //
      89           0 :     AliCDBMetaData* md = new AliCDBMetaData();
      90           0 :     md->SetResponsible("Chiara Oppedisano");
      91             : 
      92           0 :     if(TString(GetMisalType())=="ideal")
      93           0 :         md->SetComment("Alignment objects for ZDC ideal misalignment");
      94           0 :     if(TString(GetMisalType())=="residual")
      95           0 :         md->SetComment("Alignment objects for ZDC residual misalignment");
      96           0 :     if(TString(GetMisalType())=="full")
      97           0 :         md->SetComment("Alignment objects for ZDC full misalignment");
      98             : 
      99           0 :     return md;
     100           0 : }