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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkNaryAddImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2007-08-10 14:34:02 $
Version: $Revision: 1.13 $
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 <itkImage.h>
#include <itkNaryAddImageFilter.h>
#include <itkImageRegionIteratorWithIndex.h>
#include <iostream>
// Define the dimension of the images
const unsigned int myDimension = 3;
// Declare the types of the images
typedef itk::Image<float, myDimension> myInputImageType;
typedef itk::Image<float, myDimension> myOutputImageType;
// Declare the type of the index to access images
typedef itk::Index<myDimension> myIndexType;
// Declare the type of the size
typedef itk::Size<myDimension> mySizeType;
// Declare the type of the Region
typedef itk::ImageRegion<myDimension> myRegionType;
// Declare the type of the Region
typedef itk::ImageRegionIteratorWithIndex<myInputImageType> myImageIteratorType;
// Declare the type for the ADD filter
typedef itk::NaryAddImageFilter<
myInputImageType,
myOutputImageType > myFilterType;
// Function for image initialization
void InitializeImage( myInputImageType * image, double value )
{
myInputImageType::Pointer inputImage( image );
// Define their size, and start index
mySizeType size;
size[0] = 2;
size[1] = 2;
size[2] = 2;
myIndexType start;
start.Fill(0);
myRegionType region;
region.SetIndex( start );
region.SetSize( size );
inputImage->SetLargestPossibleRegion( region );
inputImage->SetBufferedRegion( region );
inputImage->SetRequestedRegion( region );
inputImage->Allocate();
myImageIteratorType it( inputImage,
inputImage->GetRequestedRegion() );
it.GoToBegin();
while( !it.IsAtEnd() )
{
it.Set( value );
++it;
}
}
// Function for image printing
void PrintImage( myInputImageType * image, const char *)
{
// Create an iterator for going through the image
myImageIteratorType it( image,
image->GetRequestedRegion() );
it.GoToBegin();
// Print the content of the image
//std::cout << text << std::endl;
while( !it.IsAtEnd() )
{
std::cout << it.Get() << std::endl;
++it;
}
}
int itkNaryAddImageFilterTest(int, char* [] )
{
// Create two images
myInputImageType::Pointer inputImageA = myInputImageType::New();
myInputImageType::Pointer inputImageB = myInputImageType::New();
InitializeImage( inputImageA, 12 );
InitializeImage( inputImageB, 17 );
PrintImage( inputImageA, "Input image A" );
PrintImage( inputImageB, "Input image B" );
// Create an ADD Filter
myFilterType::Pointer filter = myFilterType::New();
// Connect the input images
filter->SetInput( 0, inputImageA );
filter->SetInput( 1, inputImageB );
// Get the Smart Pointer to the Filter Output
myOutputImageType::Pointer outputImage = filter->GetOutput();
// Execute the filter
filter->Update();
filter->SetFunctor(filter->GetFunctor());
PrintImage( outputImage, "Resulting image" );
// Testing with vector Images
typedef itk::Image< itk::Vector<double,2>, 2> VectorImageType;
typedef itk::NaryAddImageFilter< VectorImageType, VectorImageType > NaryAdderType;
NaryAdderType::Pointer adder = NaryAdderType::New();
// All objects should be automatically destroyed at this point
return EXIT_SUCCESS;
}
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