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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBinaryMask3DQuadEdgeMeshSourceTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkImage.h"
#include "itkQuadEdgeMesh.h"
#include "itkBinaryMask3DMeshSource.h"
#include "itkImageRegionIteratorWithIndex.h"
int itkBinaryMask3DQuadEdgeMeshSourceTest(int, char *[])
{
// Define the dimension of the images
const unsigned int Dimension = 3;
// Declare the types of the output images
typedef itk::Image<unsigned short, Dimension> ImageType;
// Declare the type of the index,size and region to initialize images
typedef itk::Index<Dimension> IndexType;
typedef itk::Size<Dimension> SizeType;
typedef itk::ImageRegion<Dimension> RegionType;
typedef ImageType::PixelType PixelType;
typedef itk::ImageRegionIteratorWithIndex<ImageType> IteratorType;
// Declare the type of the Mesh
typedef itk::QuadEdgeMesh<double, 3> MeshType;
typedef MeshType::PointType PointType;
typedef itk::BinaryMask3DMeshSource< ImageType, MeshType > MeshSourceType;
const PixelType backgroundValue = 0;
const PixelType internalValue = 1;
SizeType size;
size[0] = 128;
size[1] = 128;
size[2] = 128;
IndexType start;
start.Fill(0);
RegionType region;
region.SetSize( size );
region.SetIndex( start );
ImageType::Pointer image = ImageType::New();
image->SetRegions( region );
image->Allocate();
image->FillBuffer( backgroundValue );
IteratorType it( image, region );
it.GoToBegin();
PointType point;
PointType center;
PointType::VectorType radial;
IndexType centralIndex = start;
centralIndex[0] += size[0] / 2;
centralIndex[1] += size[1] / 2;
centralIndex[2] += size[2] / 2;
image->TransformIndexToPhysicalPoint( centralIndex, center );
//
// Create a digitized sphere in the middle of the image.
//
while( !it.IsAtEnd() )
{
image->TransformIndexToPhysicalPoint( it.GetIndex(), point );
radial = point - center;
if ( radial.GetNorm() < 60.0)
{
it.Set( internalValue );
}
++it;
}
MeshSourceType::Pointer meshSource = MeshSourceType::New();
meshSource->SetInput( image );
meshSource->SetObjectValue( internalValue );
try
{
meshSource->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception thrown during Update() " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
std::cout << meshSource->GetNumberOfNodes() << std::endl;
std::cout << meshSource->GetNumberOfCells() << std::endl;
return EXIT_SUCCESS;
}
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