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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 "itkIsolatedWatershedImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkTestingMacros.h"
#include <fstream>
int itkIsolatedWatershedImageFilterTest( int argc, char* argv[] )
{
if( argc < 9 )
{
std::cerr << "Missing parameters" << std::endl;
std::cerr << "Usage: " << argv[0]
<< " InputImage"
<< " OutputImage"
<< " seed1_x"
<< " seed1_y"
<< " seed2_x"
<< " seed2_y"
<< " threshold"
<< " isolatedValueTolerance";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, Dimension > ImageType;
itk::ImageFileReader< ImageType >::Pointer reader =
itk::ImageFileReader< ImageType >::New();
reader->SetFileName( argv[1] );
TRY_EXPECT_NO_EXCEPTION( reader->Update() );
// Create the IsolatedWatershedImageFilter object
typedef itk::IsolatedWatershedImageFilter< ImageType, ImageType > FilterType;
FilterType::Pointer filter = FilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( filter, IsolatedWatershedImageFilter,
ImageToImageFilter );
filter->SetInput( reader->GetOutput() );
FilterType::IndexType seed1, seed2;
seed1.Fill( 0 );
seed2.Fill( 0 );
// Test the seeds being outside the input image exception
ImageType::Pointer inputImage = reader->GetOutput();
ImageType::RegionType region = inputImage->GetLargestPossibleRegion();
ImageType::IndexType offset;
offset.Fill( 10 );
seed1[0] = region.GetUpperIndex()[0] + offset[0];
filter->SetSeed1( seed1 );
TRY_EXPECT_EXCEPTION( filter->Update() );
seed1.Fill( 0 );
filter->SetSeed1( seed1 );
seed2[1] = region.GetUpperIndex()[1] + offset[1];
filter->SetSeed2( seed2 );
TRY_EXPECT_EXCEPTION( filter->Update() );
seed1[0] = atoi( argv[3] );
seed1[1] = atoi( argv[4] );
filter->SetSeed1( seed1 );
TEST_SET_GET_VALUE( seed1, filter->GetSeed1() );
seed2[0] = atoi( argv[5] );
seed2[1] = atoi( argv[6] );
filter->SetSeed2( seed2 );
TEST_SET_GET_VALUE( seed2, filter->GetSeed2() );
double threshold = atof( argv[7] );
filter->SetThreshold( threshold );
TEST_SET_GET_VALUE( threshold, filter->GetThreshold() );
PixelType replaceValue1 = 255;
filter->SetReplaceValue1( replaceValue1 );
TEST_SET_GET_VALUE( replaceValue1, filter->GetReplaceValue1() );
PixelType replaceValue2 = 127;
filter->SetReplaceValue2( replaceValue2 );
TEST_SET_GET_VALUE( replaceValue2, filter->GetReplaceValue2() );
double upperValueLimit = 1.0;
filter->SetUpperValueLimit( upperValueLimit );
TEST_SET_GET_VALUE( upperValueLimit, filter->GetUpperValueLimit() );
double isolatedValueTolerance = atof( argv[8] );
filter->SetIsolatedValueTolerance( isolatedValueTolerance );
TEST_SET_GET_VALUE( isolatedValueTolerance,
filter->GetIsolatedValueTolerance() );
TRY_EXPECT_NO_EXCEPTION( filter->Update() );
double isolatedValue = filter->GetIsolatedValue();
std::cout << "IsolatedValue: " << isolatedValue << std::endl;
// Write the filter output
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( argv[2] );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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