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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 "itkTobogganImageFilter.h"
#include "itkGradientMagnitudeRecursiveGaussianImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkTextOutput.h"
#include "itkTestingMacros.h"
int itkTobogganImageFilterTest( int argc, char* argv[] )
{
if( argc < 3 )
{
std::cerr << "Missing parameters" << std::endl;
std::cerr << "Usage: " << argv[0] << " InputImage OutputImage" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef float FloatPixelType;
typedef itk::Image< PixelType, Dimension > InputImageType;
typedef itk::Image< FloatPixelType, Dimension > FloatImageType;
typedef itk::Image< PixelType, Dimension > OutputImageType;
typedef itk::Image< itk::IdentifierType, Dimension > LongImageType;
// Create a pipeline
typedef itk::CastImageFilter< InputImageType, FloatImageType >
InputCastFilterType;
typedef itk::TobogganImageFilter< FloatImageType >
FilterType;
typedef itk::CastImageFilter< LongImageType, OutputImageType >
OutputCastFilterType;
typedef itk::GradientMagnitudeRecursiveGaussianImageFilter< FloatImageType, FloatImageType >
GMGaussianType;
itk::ImageFileReader< InputImageType >::Pointer reader =
itk::ImageFileReader< InputImageType >::New();
reader->SetFileName( argv[1] );
TRY_EXPECT_NO_EXCEPTION( reader->Update() );
FilterType::Pointer toboggan = FilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( toboggan, TobogganImageFilter,
ImageToImageFilter );
InputCastFilterType::Pointer inputCaster = InputCastFilterType::New();
GMGaussianType::Pointer gmgaussian = GMGaussianType::New();
inputCaster->SetInput( reader->GetOutput() );
gmgaussian->SetInput( inputCaster->GetOutput() );
gmgaussian->SetSigma( 15.0 );
toboggan->SetInput( gmgaussian->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( toboggan->Update() );
// Cast the output of the Toboggan filter
OutputCastFilterType::Pointer outputCaster = OutputCastFilterType::New();
outputCaster->SetInput( toboggan->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( outputCaster->Update() );
// Write the output
typedef itk::ImageFileWriter< OutputImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( outputCaster->GetOutput() );
writer->SetFileName( argv[2] );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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