#include "Cutter.h"
#include <cpPlugins/Interface/ImplicitFunction.h>
#include <cpPlugins/Interface/Mesh.h>

#include <vtkCutter.h>
#include <vtkProperty.h>


#include <vtkPlane.h>

// -------------------------------------------------------------------------
cpPlugins::BasicFilters::Cutter::
Cutter( )
  : Superclass( )
{
  this->_AddInput( "InputMesh" );
  this->_AddInput( "InputFunction" );
  this->_AddOutput< cpPlugins::Interface::Mesh >( "Output" );
}

// -------------------------------------------------------------------------
cpPlugins::BasicFilters::Cutter::
~Cutter( )
{
}

// -------------------------------------------------------------------------
std::string cpPlugins::BasicFilters::Cutter::
_GenerateData( )
{
  // Get inputs
  auto mesh = this->GetInputData< cpPlugins::Interface::Mesh >( "InputMesh" );
  auto function =
    this->GetInputData< cpPlugins::Interface::ImplicitFunction >(
      "InputFunction"
      );
  if( function == NULL )
    return( "Cutter: Input data 1 is not a valid implicit function." );

  vtkCutter* cutter = this->_CreateVTK< vtkCutter >( );
  cutter->DebugOn( );
  cutter->SetInputData( mesh->GetVTK< vtkPolyData >( ) );
  cutter->SetCutFunction( function->GetVTK< vtkImplicitFunction >( ) );
  cutter->SetValue( 0, 1 );
  cutter->GenerateTrianglesOff( );
  cutter->Update( );

  // Execute filter
  auto out = this->GetOutputData< cpPlugins::Interface::Mesh >( "Output" );
  out->SetVTK( cutter->GetOutput( ) );

  return( "" );
}

// eof - $RCSfile$