MUON/mapping/AliMpArea.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, 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 // $Id$
  17 // $MpId: AliMpArea.cxx,v 1.8 2006/05/24 13:58:29 ivana Exp $
  18 // Category: basic
  19
  20 //-----------------------------------------------------------------------------
  21 // Class AliMpArea
  22 // ----------------
  23 // Class that defines a rectangle area positioned in plane..
  24 // Included in AliRoot: 2003/05/02
  25 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
  26 //-----------------------------------------------------------------------------
  27
  28 #include "AliMpArea.h"
  29 #include "AliMpConstants.h"
  30
  31 #include <Riostream.h>
  32
  33 /// \cond CLASSIMP
  34 ClassImp(AliMpArea)
  35 /// \endcond
  36
  37 //_____________________________________________________________________________
  38 AliMpArea::AliMpArea(const TVector2& position, const TVector2& dimensions)
  39   : TObject(),
  40     fPosition(position),
  41     fDimensions(dimensions),
  42     fValidity(true)
  43 {
  44 /// Standard constructor
  45
  46   // Check dimensions
  47   if (  fDimensions.X() < - AliMpConstants::LengthTolerance() ||
  48         fDimensions.Y() < - AliMpConstants::LengthTolerance() ||
  49       ( fDimensions.X() < AliMpConstants::LengthTolerance() &&
  50         fDimensions.Y() < AliMpConstants::LengthTolerance() ) )
  51   {
  52     fDimensions = TVector2();
  53     fValidity = false;
  54   }
  55 }
  56
  57 //_____________________________________________________________________________
  58 AliMpArea::AliMpArea()
  59   : TObject(),
  60     fPosition(TVector2()),
  61     fDimensions(TVector2()),
  62     fValidity(false)
  63 {
  64 /// Default constructor
  65 }
  66
  67 //_____________________________________________________________________________
  68 AliMpArea::AliMpArea(const AliMpArea& rhs):
  69   TObject(rhs),
  70   fPosition(rhs.fPosition),
  71   fDimensions(rhs.fDimensions),
  72   fValidity(rhs.fValidity)
  73 {
  74 /// Copy constructor
  75 }
  76
  77 //_____________________________________________________________________________
  78 AliMpArea::~AliMpArea()
  79 {
  80 /// Destructor
  81 }
  82
  83 //
  84 // operators
  85 //
  86
  87 //______________________________________________________________________________
  88 AliMpArea& AliMpArea::operator = (const AliMpArea& right)
  89 {
  90 /// Assignment operator
  91
  92   // check assignment to self
  93   if (this == &right) return *this;
  94
  95   // base class assignment
  96   TObject::operator=(right);
  97
  98   fPosition = right.fPosition;
  99   fDimensions = right.fDimensions;
 100   fValidity = right.fValidity;
 101
 102   return *this;
 103 }
 104
 105 //
 106 // public methods
 107 //
 108
 109 //_____________________________________________________________________________
 110 Double_t AliMpArea::LeftBorder() const
 111 {
 112 /// Return the position of the left edge.
 113
 114   return fPosition.X() - fDimensions.X();
 115 }
 116
 117 //_____________________________________________________________________________
 118 Double_t AliMpArea::RightBorder() const
 119 {
 120 /// Return the position of right edge.
 121
 122   return fPosition.X() + fDimensions.X();
 123 }
 124
 125 //_____________________________________________________________________________
 126 Double_t AliMpArea::UpBorder() const
 127 {
 128 /// Return the position of the up edge.
 129
 130   return fPosition.Y() + fDimensions.Y();
 131 }
 132
 133 //_____________________________________________________________________________
 134 Double_t AliMpArea::DownBorder() const
 135 {
 136 /// Return the position of the down edge.
 137
 138   return fPosition.Y() - fDimensions.Y();
 139 }
 140
 141 //_____________________________________________________________________________
 142 TVector2 AliMpArea::LeftDownCorner() const
 143 {
 144 /// Return position of the left down corner.
 145
 146   return TVector2(LeftBorder(), DownBorder());
 147 }
 148
 149 //_____________________________________________________________________________
 150 TVector2 AliMpArea::LeftUpCorner() const
 151 {
 152 /// Return position of the left up corner.
 153
 154   return TVector2(LeftBorder(), UpBorder());
 155 }
 156
 157 //_____________________________________________________________________________
 158 TVector2 AliMpArea::RightDownCorner() const
 159 {
 160 /// Return position of the right down corner.
 161
 162   return TVector2(RightBorder(), DownBorder());
 163 }
 164
 165
 166 //_____________________________________________________________________________
 167 TVector2 AliMpArea::RightUpCorner() const
 168 {
 169 /// Return position of the right up corner.
 170
 171   return TVector2(RightBorder(), UpBorder());
 172 }
 173
 174 //_____________________________________________________________________________
 175 void
 176 AliMpArea::Print(Option_t*) const
 177 {
 178 /// Printing
 179
 180   cout << (*this) << endl;
 181 }
 182
 183 //_____________________________________________________________________________
 184 ostream& operator<< (ostream &stream,const AliMpArea& area)
 185 {
 186 /// Output streaming
 187
 188   stream << "Area: position: ("
 189          << area.Position().X() << ", " << area.Position().Y() << ") "
 190          << " dimensions: ("
 191          << area.Dimensions().X() << ", " << area.Dimensions().Y() << ") "
 192   << " valid: " << (area.IsValid()==true ? "YES":"NO")
 193          << endl;
 194   return stream;
 195 }
 196