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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 "itkReflectImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
int itkReflectImageFilterTest(int, char* [] )
{
// Define the dimension of the image
const unsigned int myDimension = 3;
// Declare the types of the image
typedef itk::Image<unsigned short, myDimension> myImageType;
// Declare the type of the Region
typedef myImageType::RegionType myRegionType;
// Declare the type of the index to access images
typedef myRegionType::IndexType myIndexType;
// Declare the type of the size
typedef myRegionType::SizeType mySizeType;
// Declare the type for the ADD filter
typedef itk::ReflectImageFilter<
myImageType,
myImageType > myFilterType;
// Declare the pointers to images
typedef myImageType::Pointer myImagePointer;
// Create an image
myImagePointer inputImage = myImageType::New();
// Define their size, and start index
mySizeType size;
size[0] = 15;
size[1] = 2;
size[2] = 1;
myIndexType start;
start[0] = 0;
start[1] = 0;
start[2] = 0;
myRegionType region;
region.SetIndex( start );
region.SetSize( size );
// Initialize Image
inputImage->SetLargestPossibleRegion( region );
inputImage->SetBufferedRegion( region );
inputImage->SetRequestedRegion( region );
inputImage->Allocate();
// Declare Iterator types apropriated for each image
typedef itk::ImageRegionIteratorWithIndex<myImageType> myIteratorType;
// Create one iterator for the input Image (this is a light object)
myIteratorType it( inputImage, inputImage->GetRequestedRegion() );
// Initialize the content of the input Image
// with a ramp along the 0 direction
std::cout << "Input Image " << std::endl;
unsigned long counter = 0;
while( !it.IsAtEnd() )
{
it.Set( counter );
std::cout << it.Get() << std::endl;
++counter;
++it;
}
// Create the Filter
myFilterType::Pointer filter = myFilterType::New();
// Connect the input image
filter->SetInput( inputImage );
// Get the Smart Pointer to the Filter Output
myImagePointer outputImage = filter->GetOutput();
// Execute the filter
filter->Update();
// Create an iterator for going through the image output
myIteratorType ot( outputImage, outputImage->GetRequestedRegion() );
// Print the content of the result image
std::cout << " Result " << std::endl;
while( !ot.IsAtEnd() )
{
std::cout << ot.GetIndex() << " = " << ot.Get() << std::endl;
++ot;
}
// All objects should be automatically destroyed at this point
return EXIT_SUCCESS;
}
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