MUON/mapping/AliMpArea.cxx

   1 // $Id$
   2 // Category: basic
   3 //
   4 // Class AliMpArea
   5 // ----------------
   6 // Class that defines a rectangle area positioned in plane..
   7 // Included in AliRoot: 2003/05/02
   8 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
   9
  10 #include <Riostream.h>
  11
  12 #include "AliMpArea.h"
  13
  14 ClassImp(AliMpArea)
  15
  16
  17 //_____________________________________________________________________________
  18 AliMpArea::AliMpArea(const TVector2& position, const TVector2& dimensions)
  19   : TObject(),
  20     fPosition(position),
  21     fDimensions(dimensions),
  22     fValidity(true) {
  23 //
  24   // Check dimensions
  25   if (fDimensions.X() <= 0. || fDimensions.Y() <=0.) {
  26     fDimensions = TVector2();
  27     fValidity = false;
  28   }
  29 }
  30
  31 //_____________________________________________________________________________
  32 AliMpArea::AliMpArea()
  33   : TObject(),
  34     fPosition(TVector2()),
  35     fDimensions(TVector2()),
  36     fValidity(false) {
  37 //
  38 }
  39
  40 //_____________________________________________________________________________
  41 AliMpArea::AliMpArea(const AliMpArea& rhs):
  42   TObject(rhs),
  43   fPosition(rhs.fPosition),
  44   fDimensions(rhs.fDimensions) {
  45 //
  46 }
  47
  48 //_____________________________________________________________________________
  49 AliMpArea::~AliMpArea() {
  50 //
  51 }
  52
  53 //
  54 // operators
  55 //
  56
  57 //______________________________________________________________________________
  58 AliMpArea& AliMpArea::operator = (const AliMpArea& right)
  59 {
  60 // Assignement operator
  61
  62   // check assignement to self
  63   if (this == &right) return *this;
  64
  65   // base class assignement
  66   TObject::operator=(right);
  67
  68   fPosition = right.fPosition;
  69   fDimensions = right.fDimensions;
  70   fValidity = right.fValidity;
  71
  72   return *this;
  73 }
  74
  75 //
  76 // public methods
  77 //
  78
  79 //_____________________________________________________________________________
  80 Double_t AliMpArea::LeftBorder() const
  81 {
  82 // Returns the position of the left edge.
  83 // --
  84
  85   return fPosition.X() - fDimensions.X();
  86 }
  87
  88 //_____________________________________________________________________________
  89 Double_t AliMpArea::RightBorder() const
  90 {
  91 // Returns the position of right edge.
  92 // --
  93
  94   return fPosition.X() + fDimensions.X();
  95 }
  96
  97 //_____________________________________________________________________________
  98 Double_t AliMpArea::UpBorder() const
  99 {
 100 // Returns the position of the up edge.
 101 // --
 102
 103   return fPosition.Y() + fDimensions.Y();
 104 }
 105
 106 //_____________________________________________________________________________
 107 Double_t AliMpArea::DownBorder() const
 108 {
 109 // Returns the position of the down edge.
 110 // --
 111
 112   return fPosition.Y() - fDimensions.Y();
 113 }
 114
 115 //_____________________________________________________________________________
 116 TVector2 AliMpArea::LeftDownCorner() const
 117 {
 118 // Returns position of the left down corner.
 119 // --
 120
 121   return TVector2(LeftBorder(), DownBorder());
 122 }
 123
 124 //_____________________________________________________________________________
 125 TVector2 AliMpArea::LeftUpCorner() const
 126 {
 127 // Returns position of the left up corner.
 128 // --
 129
 130   return TVector2(LeftBorder(), UpBorder());
 131 }
 132
 133 //_____________________________________________________________________________
 134 TVector2 AliMpArea::RightDownCorner() const
 135 {
 136 // Returns position of the right down corner.
 137 // --
 138
 139   return TVector2(RightBorder(), DownBorder());
 140 }
 141
 142
 143 //_____________________________________________________________________________
 144 TVector2 AliMpArea::RightUpCorner() const
 145 {
 146 // Returns position of the right up corner.
 147 // --
 148
 149   return TVector2(RightBorder(), UpBorder());
 150 }
 151
 152 //_____________________________________________________________________________
 153 ostream& operator<< (ostream &stream,const AliMpArea& area)
 154 {
 155   stream << "Area: position: ("
 156          << area.Position().X() << ", " << area.Position().Y() << ") "
 157          << " dimensions: ("
 158          << area.Dimensions().X() << ", " << area.Dimensions().Y() << ") "
 159          << endl;
 160   return stream;
 161 }
 162