// -------------------------------------------------------------------------
// @author Leonardo Florez-Valencia (florez-l@javeriana.edu.co)
// -------------------------------------------------------------------------

#include <cpExtensions/Algorithms/PolyLineParametricPathToSimple3DCurve.h>

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
_TPolyLine* cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
GetInput( )
{
  return( dynamic_cast< _TPolyLine* >( this->Superclass::GetInput( 0 ) ) );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
const _TPolyLine* cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
GetInput( ) const
{
  return( dynamic_cast< const _TPolyLine* >( this->Superclass::GetInput( 0 ) ) );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
void cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
SetInput( _TPolyLine* pl )
{
  this->Superclass::SetNthInput( 0, pl );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
_TCurve* cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
GetOutput( )
{
  return( dynamic_cast< _TCurve* >( this->Superclass::GetOutput( 0 ) ) );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
const _TCurve* cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
GetOutput( ) const
{
  return( dynamic_cast< const _TCurve* >( this->Superclass::GetOutput( 0 ) ) );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
PolyLineParametricPathToSimple3DCurve( )
  : Superclass( ),
    m_NumberOfSamples( 0 )
{
  this->SetNumberOfRequiredInputs( 1 );
  this->SetNumberOfRequiredOutputs( 1 );
  typename _TCurve::Pointer curve = _TCurve::New( );
  this->Superclass::SetNthOutput( 0, curve );
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
~PolyLineParametricPathToSimple3DCurve( )
{
}

// -------------------------------------------------------------------------
template< class _TPolyLine, class _TCurve >
void cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< _TPolyLine, _TCurve >::
GenerateData( )
{
  const _TPolyLine* line = this->GetInput( );
  _TCurve* curve = this->GetOutput( );
  unsigned long N = this->m_NumberOfSamples;
  if( N == 0 )
    N = line->GetSize( );
  curve->Clear( );

  for( unsigned long n = 0; n < N; ++n )
  {
    double u = double( n ) / double( N - 1 );
    curve->AddPoint( line->GetSmoothPoint( u ) );

  } // rof
}

// -------------------------------------------------------------------------
#include <cpExtensions/DataStructures/PolyLineParametricPath.h>
#include <cpExtensions/DataStructures/Simple3DCurve.h>

template class cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< cpExtensions::DataStructures::PolyLineParametricPath< 3 >, cpExtensions::DataStructures::Simple3DCurve< float > >; 
template class cpExtensions::Algorithms::PolyLineParametricPathToSimple3DCurve< cpExtensions::DataStructures::PolyLineParametricPath< 3 >, cpExtensions::DataStructures::Simple3DCurve< double > >; 

// eof - $RCSfile$