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/*
//
// Copyright 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 "cmtkFitToXformListBase.h"
#include <Base/cmtkRegionIndexIterator.h>
cmtk::FitToXformListBase::FitToXformListBase( const UniformVolume& sampleGrid, const XformList& xformList, const bool absolute )
: m_XformField( sampleGrid )
{
this->m_XformValidAt.resize( this->m_XformField.GetNumberOfPixels() );
std::fill( this->m_XformValidAt.begin(), this->m_XformValidAt.end(), true );
const DataGrid::RegionType wholeImageRegion = this->m_XformField.GetWholeImageRegion();
#ifndef _OPENMP
const DataGrid::RegionType region = wholeImageRegion;
#else // _OPENMP
const int sliceFrom = wholeImageRegion.From()[2];
const int sliceTo = wholeImageRegion.To()[2];
#pragma omp parallel for
for ( int slice = sliceFrom; slice < sliceTo; ++slice )
{
DataGrid::RegionType region = wholeImageRegion;
region.From()[2] = slice;
region.To()[2] = slice+1;
#endif
for ( RegionIndexIterator<DataGrid::RegionType> voxelIt( region ); voxelIt != voxelIt.end(); ++voxelIt )
{
const size_t ofs = this->m_XformField.GetOffsetFromIndex( voxelIt.Index() );
const Xform::SpaceVectorType v = this->m_XformField.GetGridLocation( voxelIt.Index() );
Xform::SpaceVectorType u = v;
if ( xformList.ApplyInPlace( u ) )
{
if ( !absolute )
u -= v;
this->m_XformField[ofs] = u;
}
else
{
this->m_XformValidAt[ofs] = false;
}
}
#ifdef _OPENMP
}
#endif
}
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