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/*
//
// Copyright 2009-2012 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: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#include "cmtkImageOperationDistanceMap.h"
cmtk::UniformVolume::SmartPtr
cmtk::ImageOperationDistanceMap
::Apply( cmtk::UniformVolume::SmartPtr& volume )
{
if ( this->m_SignedDistance )
{
UniformVolume::SmartPtr iMap = DistanceMapType( *volume, DistanceMap::INSIDE ).Get();
UniformVolume::SmartPtr oMap = DistanceMapType( *volume ).Get();
const size_t nPixels = volume->GetNumberOfPixels();
#pragma omp parallel for
for ( int n = 0; n < static_cast<int>( nPixels ); ++n )
{
Types::DataItem iValue = iMap->GetDataAt( n );
if ( iValue > 0 )
oMap->SetDataAt( -iValue, n );
}
return oMap;
}
else
{
return DistanceMapType( *volume ).Get();
}
}
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