cmtkImageEdgeOperator.cxx

Go to the documentation of this file.

/*
//
//  Copyright 1997-2009 Torsten Rohlfing
//  Copyright 2004-2009 SRI International
//
//  This file is part of the Computational Morphometry Toolkit.
//
//  http://www.nitrc.org/projects/cmtk/
//
//  The Computational Morphometry Toolkit is free software: you can
//  redistribute it and/or modify it under the terms of the GNU General Public
//  License as published by the Free Software Foundation, either version 3 of
//  the License, or (at your option) any later version.
//
//  The Computational Morphometry Toolkit is distributed in the hope that it
//  will be useful, but WITHOUT ANY WARRANTY; without even the implied
//  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License along
//  with the Computational Morphometry Toolkit.  If not, see
//  <http://www.gnu.org/licenses/>.
//
//  $Revision: 2398 $
//
//  $LastChangedDate: 2010-10-05 14:54:37 -0700 (Tue, 05 Oct 2010) $
//
//  $LastChangedBy: torstenrohlfing $
//
*/

#include <Pipeline/cmtkImageEdgeOperator.h>

namespace
cmtk
{


void
ImageEdgeOperator::Execute()
{
  if ( Input == NULL ) return;

  ScalarImage::SmartPtr image( Input->GetScalarImage() );

  if ( SmoothBeforeEdge )
    image->ApplyGaussFilter( GaussianWidth );
  
  switch ( Operator ) {
  case 0: // Laplacian 
    image->ApplyLaplace2DFilter();
    break;

  case 1:  // Sobel
    image->ApplySobel2DFilter();
    break;
  }

  Image *output = this->GetOutput();
  output->SetFromScalarImage( image );

  this->UpdateExecuteTime();
}

} // namespace cmtk