1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 // Class AliMUONGeometryDEIndexing
19 // -------------------------------
20 // The class that provides conversion between the detection element Id
21 // and the index in the array.
22 // Used in storing DE transformations and segmentations.
23 // (See more in the header file.)
25 // Author: Ivana Hrivnacova, IPN Orsay
27 #include <Riostream.h>
28 #include <TGeoMatrix.h>
29 #include <TObjString.h>
33 #include "AliMUONGeometryDEIndexing.h"
34 #include "AliMUONConstants.h"
36 Int_t const AliMUONGeometryDEIndexing::fgkSeparator = 100;
42 //______________________________________________________________________________
43 Int_t AliMUONGeometryDEIndexing::GetModuleId(Int_t detElemId)
45 // Get module Id from detection element Id
48 return detElemId/fgkSeparator - 1;
51 //______________________________________________________________________________
52 Int_t AliMUONGeometryDEIndexing::GetDEIndex(Int_t detElemId)
54 /// Returns the index of detector element specified by detElemId
56 return detElemId - detElemId/fgkSeparator*fgkSeparator;
59 //______________________________________________________________________________
60 Int_t AliMUONGeometryDEIndexing::GetDEId(Int_t moduleId, Int_t detElemIndex)
62 /// Returns the ID of detector element specified by index
64 return ( moduleId + 1 ) * fgkSeparator + detElemIndex;