/* $Id: CbmRichRing.cxx,v 1.8 2006/09/13 14:51:28 hoehne Exp $*/

/* History of CVS commits:
 *
 * $Log: CbmRichRing.cxx,v $
 * Revision 1.8  2006/09/13 14:51:28  hoehne
 * two variables (Selection2D, SelectionNN) added in which values between 0 and 1 are stored for fake rejection
 * ReconstructedFlag removed
 *
 * Revision 1.7  2006/08/11 14:03:57  hoehne
 * move SetUncertainty and GetUncertainty to SetChi2 and GetChi2
 *
 * Revision 1.6  2006/07/12 06:27:54  hoehne
 * new functions: SetDistance and GetDistance added which set/ give the distance between ring center and track attached to this
 * ring
 *
 * Revision 1.5  2006/02/23 11:24:10  hoehne
 * RecFlag added (Simeon Lebedev)
 *
 * Revision 1.4  2006/01/23 11:40:13  hoehne
 * MCMotherID added
 *
 * Revision 1.3  2006/01/19 10:40:06  hoehne
 * restructured according to new RinfFinder Class:
 * array of hits belonging to a certain ring added
 *
 * 
 *
 */


// -------------------------------------------------------------------------
// -----                      CbmRichRing source file                  -----
// -----   Created 05/07/04 by A. Soloviev <solovjev@cv.jinr.ru>       -----
// -------------------------------------------------------------------------


#include "CbmRichRing.h"
//#include "CbmRichHit.h"


// -----   Default constructor   -------------------------------------------
CbmRichRing::CbmRichRing()
  : TObject(),
    fCenterX(), fCenterY(), fRadius(),
    fTrackID ( -1 ),
    fMCMotherID ( -1 ),
    fDistance ( 99 ),
    fChi2 ( 0 ),
    fRecFlag(0)
{
    fSelectionNN  = -1.;
    fSelection2D  = -1.;
}
// -------------------------------------------------------------------------

 
// -----   Standard constructor   ------------------------------------------
CbmRichRing::CbmRichRing ( Double_t x,
			   Double_t y,
			   Double_t r )
  : TObject(),
    fCenterX ( x ), fCenterY ( y ), fRadius ( r ),
    fTrackID ( -1 ),
    fMCMotherID ( -1 ),
    fDistance ( 99 ),
    fChi2 ( 0 ),
    fRecFlag(0)
{
    fSelectionNN  = -1.;
    fSelection2D  = -1.;
}
// -------------------------------------------------------------------------


// -----   Destructor   ----------------------------------------------------
CbmRichRing::~CbmRichRing() {}
// -------------------------------------------------------------------------

void CbmRichRing::Print(){
	cout << " Ring parameters: " << 
			" Radius = " << GetRadius() << 
			", CenterX = " << GetCenterX() <<
			", CenterY = " << GetCenterY() <<
			", NofHits = " << GetNofHits() <<
			", RadialPosition = " << GetRadialPosition() << 
			", Chi2 = " << GetChi2() <<
			", RingTrackDistance = "<< GetDistance();
}

Double_t CbmRichRing::GetRadialPosition() const{
   Double_t radPos;
   if (fCenterY > 0){
       radPos = sqrt((fCenterX - 0)*
		     (fCenterX - 0) +
		     (fCenterY - 110)*
		     (fCenterY - 110));
   } else {
       radPos = sqrt((fCenterX - 0)*
		     (fCenterX - 0) +
		     (fCenterY + 110)*
		     (fCenterY + 110));
   }

   return radPos;
}

ClassImp(CbmRichRing)