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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSpatialFunctionImageEvaluatorFilterTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:08 $
Version: $Revision: 1.7 $
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 <stdio.h>
// Native ITK stuff
#include "itkSize.h"
#include "itkIndex.h"
#include "itkImage.h"
#include "itkImageRegionIterator.h"
#include "itkPoint.h"
// Spatial function stuff
#include "itkGaussianSpatialFunction.h"
#include "itkSpatialFunctionImageEvaluatorFilter.h"
int itkSpatialFunctionImageEvaluatorFilterTest(int, char* [] )
{
const unsigned int dim = 3;
//-----------------Create a new input image--------------------
// Image size and spacing parameters
unsigned long sourceImageSize[] = { 20,20,20 };
double sourceImageSpacing[] = { 1.0,1.0,1.0 };
double sourceImageOrigin[] = { 0,0,0 };
// Image typedef
typedef itk::Image< unsigned char, dim > ImageType;
// Create the sourceImage
ImageType::Pointer sourceImage = ImageType::New();
sourceImage->SetOrigin(sourceImageOrigin);
sourceImage->SetSpacing(sourceImageSpacing);
// Create a size object native to the sourceImage type
ImageType::SizeType sourceImageSizeObject;
// Set the size object to the array defined earlier
sourceImageSizeObject.SetSize( sourceImageSize );
// Create a region object native to the sourceImage type
ImageType::RegionType largestPossibleRegion;
// Resize the region
largestPossibleRegion.SetSize( sourceImageSizeObject );
// Set the largest legal region size (i.e. the size of the whole sourceImage) to what we just defined
sourceImage->SetLargestPossibleRegion( largestPossibleRegion );
// Set the buffered region
sourceImage->SetBufferedRegion( largestPossibleRegion );
// Set the requested region
sourceImage->SetRequestedRegion( largestPossibleRegion );
// Now allocate memory for the sourceImage
sourceImage->Allocate();
// Create and initialize a new Gaussian function
typedef itk::GaussianSpatialFunction<char, dim> FunctionType;
FunctionType::Pointer pFunc = FunctionType::New();
// Run the image evaluator filter
typedef itk::SpatialFunctionImageEvaluatorFilter<FunctionType, ImageType, ImageType> TFilter;
TFilter::Pointer pFilter = TFilter::New();
pFilter->SetInput(sourceImage);
pFilter->SetFunction(pFunc);
ImageType::Pointer outputImage = pFilter->GetOutput();
pFilter->Update();
return EXIT_SUCCESS;
}
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