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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBinaryThresholdImageFunctionTest.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 "itkImageRegionIterator.h"
#include "itkBinaryThresholdImageFunction.h"
int itkBinaryThresholdImageFunctionTest(int, char* [] )
{
std::cout << "itkBinaryThresholdImageFunctionTest Start" << std::endl;
typedef itk::Image<float,3> FloatImage;
FloatImage::Pointer image = FloatImage::New();
FloatImage::RegionType region;
FloatImage::SizeType size; size.Fill(64);
FloatImage::IndexType index; index.Fill(0);
region.SetIndex (index);
region.SetSize (size);
image->SetRegions( region );
image->Allocate();
image->FillBuffer(0.0);
for (unsigned int i = 0; i < FloatImage::ImageDimension; i++)
{
size[i] -= 20;
index[i] += 10;
}
region.SetIndex (index);
region.SetSize (size);
itk::ImageRegionIterator<FloatImage> it(image,region);
while (!it.IsAtEnd())
{
it.Set(100.0);
++it;
}
// Try the function inside and outside the region
typedef itk::BinaryThresholdImageFunction<FloatImage> ImageFunction;
ImageFunction::Pointer threshold = ImageFunction::New();
ImageFunction::PointType point;
ImageFunction::ContinuousIndexType continuousIndex;
threshold->SetInputImage(image);
threshold->ThresholdBelow (100.0);
index[0] = 11; index[1] = 11; index[2] = 11;
int failed = 0;
if (!threshold->EvaluateAtIndex(index)) failed++;
threshold->ThresholdAbove (100.0);
if (!threshold->EvaluateAtIndex(index)) failed++;
threshold->ThresholdAbove (101.0);
if (threshold->EvaluateAtIndex(index)) failed++;
threshold->ThresholdBetween (100.0,100.0);
if (!threshold->EvaluateAtIndex(index)) failed++;
threshold->ThresholdBetween (-100.0,0.0);
if (threshold->EvaluateAtIndex(index)) failed++;
index[0] = 8; index[1] = 8; index[2] = 8;
threshold->ThresholdBetween (100.0,200.0);
if (threshold->EvaluateAtIndex(index)) failed++;
std::cout << threshold;
// Test Evaluate
point[0] = 5; point[1] = 5; point[2] = 5;
threshold->Evaluate(point);
// Test EvaluateAtContinuousIndex
continuousIndex[0] = 9;
continuousIndex[1] = 9;
continuousIndex[2] = 9;
threshold->EvaluateAtContinuousIndex(continuousIndex);
if (failed)
{
std::cout << "Failed!" << std::endl;
return EXIT_FAILURE;
}
else
{
std::cout << "Passed!" << std::endl;
}
return EXIT_SUCCESS;
}
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