AliMpPadRowLSegment.cxx

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 * Author: The ALICE Off-line Project.                                    *
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 * documentation strictly for non-commercial purposes is hereby granted   *
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// $Id$
// $MpId: AliMpPadRowLSegment.cxx,v 1.6 2006/05/24 13:58:46 ivana Exp $
// Category: sector

//-----------------------------------------------------------------------------
// Class AliMpPadRowLSegment
// -------------------------
// Class describing a pad row segment composed of the 
// the identic pads;
// the pads are placed from the offset (defined in the base class)
// to the left.
//
// Included in AliRoot: 2003/05/02
// Authors: David Guez, Ivana Hrivnacova; IPN Orsay
//-----------------------------------------------------------------------------

#include "AliMpPadRowLSegment.h"
#include "AliMpPadRow.h"
#include "AliMpMotif.h"
#include "AliMpMotifType.h"

ClassImp(AliMpPadRowLSegment)

//_____________________________________________________________________________
AliMpPadRowLSegment::AliMpPadRowLSegment(
                          AliMpPadRow* padRow, AliMpMotif* motif, 
                          Int_t motifPositionId, Int_t nofPads)
  : AliMpVPadRowSegment(padRow, motif, motifPositionId, nofPads)
{
}

//_____________________________________________________________________________
AliMpPadRowLSegment::AliMpPadRowLSegment() 
  : AliMpVPadRowSegment()
{
}

//_____________________________________________________________________________
AliMpPadRowLSegment::~AliMpPadRowLSegment() 
{
}

//
// private methods  
//

//_____________________________________________________________________________
Double_t AliMpPadRowLSegment::FirstPadCenterX() const
{

  return GetOffsetX() - GetMotif()->GetPadDimensionX();
}  

//_____________________________________________________________________________
Double_t AliMpPadRowLSegment::LastPadCenterX() const
{

  return GetOffsetX() - (2.*GetNofPads() - 1)*GetMotif()->GetPadDimensionX();
}

//_____________________________________________________________________________
Double_t AliMpPadRowLSegment::FirstPadBorderX() const
{

  return GetOffsetX();
         // Also could be
         // return FirstPadCenterX() + GetMotif()->GetPadDimensionX();
}  

//_____________________________________________________________________________
Double_t AliMpPadRowLSegment::LastPadBorderX() const
{

  return LastPadCenterX() - GetMotif()->GetPadDimensionX();
}  

//
// public methods  
//

//_____________________________________________________________________________
Double_t  AliMpPadRowLSegment::LeftBorderX() const
{

  return LastPadBorderX();
}

//_____________________________________________________________________________
Double_t  AliMpPadRowLSegment::RightBorderX() const
{

  return FirstPadBorderX();
}