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5f91c9e8 | 1 | // $Id$ |
2 | // Category: motif | |
3 | // | |
4 | // Class AliMpMotif | |
5 | // ---------------- | |
6 | // Class that defines a motif with its unique ID | |
7 | // and the motif type. | |
8 | // | |
9 | // Authors: David Guez, Ivana Hrivnacova; IPN Orsay | |
10 | ||
11 | #include "AliMpMotif.h" | |
12 | #include "AliMpMotifType.h" | |
13 | #include "AliMpIntPair.h" | |
14 | ||
15 | ClassImp(AliMpMotif) | |
16 | ||
17 | //_____________________________________________________________________________ | |
18 | AliMpMotif::AliMpMotif() | |
19 | : AliMpVMotif(), | |
20 | fPadDimensions(TVector2(0.,0.)) | |
21 | { | |
22 | //default dummy constructor | |
23 | } | |
24 | ||
25 | //_____________________________________________________________________________ | |
26 | AliMpMotif::AliMpMotif(const TString &id, AliMpMotifType *motifType, | |
27 | const TVector2& padDimension) | |
28 | : AliMpVMotif(id,motifType), | |
29 | fPadDimensions(padDimension) | |
30 | { | |
31 | // Normal constructor. | |
32 | // The dimension in a given direction is calculated by | |
33 | // multiplying the total dimension by the number of pads | |
34 | ||
35 | } | |
36 | ||
37 | //_____________________________________________________________________________ | |
38 | TVector2 AliMpMotif::GetPadDimensions(const AliMpIntPair& localIndices) const | |
39 | { | |
40 | // gives the dimension of the specified pad in the motif | |
41 | ||
42 | if (GetMotifType()->HasPad(localIndices)) | |
43 | return fPadDimensions; | |
44 | else { | |
45 | Warning("GetPadDimensions","indices outside range"); | |
46 | return TVector2(0.,0.); | |
47 | } | |
48 | } | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | TVector2 AliMpMotif::Dimensions() const | |
52 | { | |
53 | // gives the dimension of the motif | |
54 | ||
55 | return TVector2(GetMotifType()->GetNofPadsX()*fPadDimensions.X(), | |
56 | GetMotifType()->GetNofPadsY()*fPadDimensions.Y()); | |
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | TVector2 AliMpMotif::PadPositionLocal(const AliMpIntPair& localIndices) const | |
61 | { | |
62 | // gives the local position of the pad number (ix,iy) | |
63 | // (0,0 is the center of the motif) | |
64 | ||
65 | TVector2 dim=Dimensions(); | |
66 | return TVector2((2.*localIndices.GetFirst()+1.)*fPadDimensions.X()-dim.X(), | |
67 | (2.*localIndices.GetSecond()+1.)*fPadDimensions.Y()-dim.Y()); | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | AliMpIntPair AliMpMotif::PadIndicesLocal(const TVector2& localPos) const | |
72 | { | |
73 | // return the pad indices from a given local position | |
74 | // or (-1,-1) if this position doesn't correspond to any valid | |
75 | // connection | |
76 | ||
77 | TVector2 lowerLeft = localPos+Dimensions(); | |
78 | Int_t ix = (Int_t)(lowerLeft.X()/(2.*fPadDimensions.X())); | |
79 | Int_t iy = (Int_t)(lowerLeft.Y()/(2.*fPadDimensions.Y())); | |
80 | ||
81 | if (!GetMotifType()->FindConnectionByLocalIndices(AliMpIntPair(ix,iy))) { | |
82 | //Warning("PadIndicesLocal","Position outside motif"); | |
83 | return AliMpIntPair::Invalid(); | |
84 | } | |
85 | return AliMpIntPair(ix,iy); | |
86 | } |