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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 <iostream>
#include "itkPolyLineParametricPath.h"
#include "itkChainCodePath.h"
#include "itkFourierSeriesPath.h"
#include "itkPathToChainCodePathFilter.h"
#include "itkChainCodeToFourierSeriesPathFilter.h"
#include "itkTestingMacros.h"
int itkChainCodeToFourierSeriesPathFilterTest( int, char*[] )
{
const unsigned int Dimension = 2;
typedef itk::PolyLineParametricPath< Dimension > PolyLinePathType;
typedef itk::ChainCodePath< Dimension > ChainPathType;
typedef itk::FourierSeriesPath< Dimension > FSPathType;
typedef PolyLinePathType::VertexType VertexType;
typedef itk::PathToChainCodePathFilter< PolyLinePathType, ChainPathType >
PathToChainCodePathFilterType;
typedef itk::ChainCodeToFourierSeriesPathFilter< ChainPathType, FSPathType >
ChainCodeToFSPathFilterType;
bool passed = true;
// Setup the path
std::cout << "Making a triangle Path with v0 at (30,30) -> (30,33) -> (33,33)" << std::endl;
VertexType v;
PolyLinePathType::Pointer inputPath = PolyLinePathType::New();
EXERCISE_BASIC_OBJECT_METHODS( inputPath, PolyLineParametricPath,
ParametricPath );
v.Fill( 30 );
inputPath->AddVertex( v );
v[0] = 30;
v[1] = 33;
inputPath->AddVertex( v );
v.Fill( 33 );
inputPath->AddVertex( v );
v.Fill( 30 );
inputPath->AddVertex( v );
// Set up the first filter
PathToChainCodePathFilterType::Pointer pathToChainCodePathFilter =
PathToChainCodePathFilterType::New();
pathToChainCodePathFilter->SetInput( inputPath );
ChainPathType::Pointer chainPath = pathToChainCodePathFilter->GetOutput();
// Set up the second filter
ChainCodeToFSPathFilterType::Pointer chainCodeToFSPathFilter =
ChainCodeToFSPathFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( chainCodeToFSPathFilter, ChainCodeToFourierSeriesPathFilter,
PathToPathFilter );
chainCodeToFSPathFilter->SetInput( pathToChainCodePathFilter->GetOutput() );
FSPathType::Pointer outputPath = chainCodeToFSPathFilter->GetOutput();
chainCodeToFSPathFilter->Update();
std::cout << "PathToChainCodePathFilter: open test path is "
<< chainPath->NumberOfSteps() << " steps" << std::endl;
if( chainPath->NumberOfSteps() != 9 )
{
passed = false;
}
std::cout << "ChainCodeToFourierSeriesPathFilter: smoothed path is from ["
<< outputPath->Evaluate( 0.0 ) << "] to [" << outputPath->Evaluate( 1.0 )
<< "] with a center at [" << outputPath->Evaluate( 0.5 ) << "]." << std::endl;
// Floating point can be inprecise, so convert to rounded int for comparison:
if( int( 0.5 + 1000 * ( outputPath->Evaluate( 1.0 ) )[0] ) !=
int( 0.5 + 1000 * ( outputPath->Evaluate( 0.0 ) )[0] ) ||
int( 0.5 + 1000 * ( outputPath->Evaluate( 1.0 ) )[1] ) !=
int( 0.5 + 1000 * ( outputPath->Evaluate( 0.0 ) )[1] ) ||
int( 0.5 + ( outputPath->Evaluate( 0.5 ) )[0] ) < 31 ||
int( 0.5 + ( outputPath->Evaluate( 0.5 ) )[0] ) > 32 ||
int( 0.5 + ( outputPath->Evaluate( 0.5 ) )[1] ) != 33 )
{
passed = false;
}
if( passed )
{
std::cout << "Test passed" << std::endl;
return EXIT_SUCCESS;
}
else
{
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
}
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