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4 * Author: The ALICE Off-line Project. *
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14 **************************************************************************/
17 // $MpId: AliMpMotif.cxx,v 1.7 2005/08/26 15:43:36 ivana Exp $
22 // Class that defines a motif with its unique ID
23 // and the motif type.
24 // Included in AliRoot: 2003/05/02
25 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
27 #include "AliMpMotif.h"
28 #include "AliMpMotifType.h"
29 #include "AliMpIntPair.h"
33 //_____________________________________________________________________________
34 AliMpMotif::AliMpMotif()
36 fPadDimensions(TVector2(0.,0.))
38 /// Default constructor
41 //_____________________________________________________________________________
42 AliMpMotif::AliMpMotif(const TString &id, AliMpMotifType *motifType,
43 const TVector2& padDimension)
44 : AliMpVMotif(id,motifType),
45 fPadDimensions(padDimension)
47 /// Standard constructor. \n
48 /// The dimension in a given direction is calculated by
49 /// multiplying the total dimension by the number of pads
52 //_____________________________________________________________________________
53 AliMpMotif::~AliMpMotif()
59 //_____________________________________________________________________________
60 TVector2 AliMpMotif::GetPadDimensions(const AliMpIntPair& localIndices) const
62 /// Give the dimension of the specified pad in the motif
64 if (GetMotifType()->HasPad(localIndices))
65 return fPadDimensions;
67 Warning("GetPadDimensions","indices outside range");
68 return TVector2(0.,0.);
72 //_____________________________________________________________________________
73 TVector2 AliMpMotif::Dimensions() const
75 /// Give the dimension of the motif
77 return TVector2(GetMotifType()->GetNofPadsX()*fPadDimensions.X(),
78 GetMotifType()->GetNofPadsY()*fPadDimensions.Y());
81 //_____________________________________________________________________________
82 TVector2 AliMpMotif::PadPositionLocal(const AliMpIntPair& localIndices) const
84 /// Give the local position of the pad number (ix,iy)
85 /// (0,0 is the center of the motif)
87 TVector2 dim=Dimensions();
88 return TVector2((2.*localIndices.GetFirst()+1.)*fPadDimensions.X()-dim.X(),
89 (2.*localIndices.GetSecond()+1.)*fPadDimensions.Y()-dim.Y());
92 //_____________________________________________________________________________
93 AliMpIntPair AliMpMotif::PadIndicesLocal(const TVector2& localPos) const
95 /// Return the pad indices from a given local position
96 /// or (-1,-1) if this position doesn't correspond to any valid
99 TVector2 lowerLeft = localPos+Dimensions();
101 if ( lowerLeft.X() < 0 || lowerLeft.Y() < 0 )
103 return AliMpIntPair::Invalid();
106 Int_t ix = (Int_t)(lowerLeft.X()/(2.*fPadDimensions.X()));
107 Int_t iy = (Int_t)(lowerLeft.Y()/(2.*fPadDimensions.Y()));
109 if (!GetMotifType()->FindConnectionByLocalIndices(AliMpIntPair(ix,iy))) {
110 //Warning("PadIndicesLocal","Position outside motif");
111 return AliMpIntPair::Invalid();
113 return AliMpIntPair(ix,iy);