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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkRandomImageSource.h"
#include "itkMeanImageFilter.h"
#include "itkTextOutput.h"
#include "itkTestingMacros.h"
int itkMeanImageFilterTest( int, char* [] )
{
// Comment the following if you want to use the itk text output window
itk::OutputWindow::SetInstance(itk::TextOutput::New());
const unsigned int Dimension = 2;
typedef float PixelType;
typedef itk::Image< PixelType, Dimension > FloatImage2DType;
itk::RandomImageSource<FloatImage2DType>::Pointer random;
random = itk::RandomImageSource< FloatImage2DType >::New();
random->SetMin( 0.0 );
random->SetMax( 1000.0 );
FloatImage2DType::SizeValueType randomSize[2];
randomSize[0] = randomSize[1] = 8;
random->SetSize( randomSize );
FloatImage2DType::SpacingValueType spacing[2] = {0.7, 2.1};
random->SetSpacing( spacing );
FloatImage2DType::PointValueType origin[2] = {15, 400};
random->SetOrigin( origin );
// Create a mean image
itk::MeanImageFilter< FloatImage2DType, FloatImage2DType >::Pointer mean =
itk::MeanImageFilter< FloatImage2DType, FloatImage2DType >::New();
EXERCISE_BASIC_OBJECT_METHODS( mean, MeanImageFilter, BoxImageFilter );
TRY_EXPECT_NO_EXCEPTION( random->Update() );
mean->SetInput( random->GetOutput() );
// Define the neighborhood size used for the mean filter (5x5)
FloatImage2DType::SizeType neighRadius;
neighRadius[0] = 1;
neighRadius[1] = 1;
mean->SetRadius( neighRadius );
TEST_SET_GET_VALUE( neighRadius, mean->GetRadius() );
TRY_EXPECT_NO_EXCEPTION( mean->Update() );
itk::ImageRegionIterator< FloatImage2DType > it;
it = itk::ImageRegionIterator< FloatImage2DType >( random->GetOutput(),
random->GetOutput()->GetBufferedRegion() );
std::cout << "Input image" << std::endl;
unsigned int i;
for ( i = 1; !it.IsAtEnd(); ++i, ++it )
{
std::cout << "\t" << it.Get();
if ((i % 8) == 0)
{
std::cout << std::endl;
}
}
std::cout << "Output image" << std::endl;
it = itk::ImageRegionIterator< FloatImage2DType >( mean->GetOutput(),
mean->GetOutput()->GetBufferedRegion() );
for ( i = 1; !it.IsAtEnd(); ++i, ++it )
{
std::cout << "\t" << it.Get();
if ((i % 8) == 0)
{
std::cout << std::endl;
}
}
return EXIT_SUCCESS;
}
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