Line data    Source code

       1             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       2             :  * See cxx source for full Copyright notice                               */
       3             : 
       4             : // $Id$
       5             : // $MpId: AliMpArea.h,v 1.9 2006/05/24 13:58:07 ivana Exp $
       6             : 
       7             : /// \ingroup basic
       8             : /// \class AliMpArea
       9             : /// \brief A rectangle area positioned in plane..
      10             : ///
      11             : /// \author David Guez, Ivana Hrivnacova; IPN Orsay
      12             : 
      13             : #ifndef ALI_MP_AREA_H
      14             : #define ALI_MP_AREA_H
      15             : 
      16             : #include <TObject.h>
      17             : 
      18             : using std::ostream;
      19             : 
      20             : class AliMpArea : public TObject
      21             : {
      22             :  public:
      23             :   AliMpArea(Double_t x, Double_t y, 
      24             :             Double_t dx, Double_t dy);
      25             :   AliMpArea(const AliMpArea& rhs);
      26             :   AliMpArea();
      27             :   virtual ~AliMpArea();
      28             : 
      29             :   // operators
      30             :   AliMpArea& operator = (const AliMpArea& right);
      31             : 
      32             :   // methods
      33             :   Double_t LeftBorder() const;
      34             :   Double_t RightBorder() const;
      35             :   Double_t UpBorder() const;
      36             :   Double_t DownBorder() const;
      37             : 
      38             :   void LeftDownCorner(Double_t& x, Double_t& y) const;
      39             :   void LeftUpCorner(Double_t& x, Double_t& y) const;
      40             :   void RightDownCorner(Double_t& x, Double_t& y) const;
      41             :   void RightUpCorner(Double_t& x, Double_t& y) const;
      42             : 
      43             :   AliMpArea Intersect(const AliMpArea& area) const;
      44             :   Bool_t    Overlap(const AliMpArea& area) const;
      45             :   Bool_t    Contains(const AliMpArea& area) const;
      46             :   
      47             :   void Print(Option_t* opt="") const;
      48             : 
      49             :   // get methods
      50             :   void      GetParameters(Double_t& x, Double_t& y,
      51             :                           Double_t& dx, Double_t& dy) const;
      52             :   Double_t  GetPositionX() const;
      53             :   Double_t  GetPositionY() const;
      54             :   Double_t  GetDimensionX() const;    
      55             :   Double_t  GetDimensionY() const;    
      56             :   Bool_t    IsValid() const;
      57             :   
      58             :   
      59             :  private:
      60             :   // data members
      61             :   Double_t  fPositionX;  ///<  x position
      62             :   Double_t  fPositionY;  ///<  y position
      63             :   Double_t  fDimensionX; ///<   x dimension (half lengths)
      64             :   Double_t  fDimensionY; ///<   y dimension (half lengths)
      65             :   Bool_t    fValidity;   ///<  validity
      66             : 
      67          18 :   ClassDef(AliMpArea,2) //utility class for area iterators
      68             : };
      69             : 
      70             : ostream& operator << (ostream &stream,const AliMpArea& area);
      71             : 
      72             : // inline functions
      73             : 
      74             :                  /// Return x position
      75         204 : inline Double_t  AliMpArea::GetPositionX() const   { return fPositionX; }
      76             :                  /// Return y position
      77         204 : inline Double_t  AliMpArea::GetPositionY() const   { return fPositionY; }
      78             :                  /// Return x dimensions
      79         204 : inline Double_t  AliMpArea::GetDimensionX() const { return fDimensionX; }    
      80             :                  /// Return y dimensions
      81         204 : inline Double_t  AliMpArea::GetDimensionY() const { return fDimensionY; }    
      82             :                  /// Return validity
      83        2212 : inline Bool_t    AliMpArea::IsValid() const    { return fValidity; }
      84             : 
      85             : #endif //ALI_MP_AREA_H