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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"
int itkChainCodeToFourierSeriesPathFilterTest(int, char*[])
{
typedef itk::PolyLineParametricPath<2> InPathType;
typedef itk::ChainCodePath<2> ChainPathType;
typedef itk::FourierSeriesPath<2> FSPathType;
typedef InPathType::VertexType VertexType;
typedef itk::PathToChainCodePathFilter<InPathType,ChainPathType> Filter1Type;
typedef itk::ChainCodeToFourierSeriesPathFilter<ChainPathType,FSPathType>
Filter2Type;
bool passed = true;
InPathType::Pointer inPath;
ChainPathType::Pointer chainPath;
FSPathType::Pointer outPath;
// Setup the path
std::cout << "Making a triangle Path with v0 at (30,30) -> (30,33) -> (33,33)" << std::endl;
VertexType v;
inPath = InPathType::New();
v.Fill(30);
inPath->AddVertex(v);
v[0]=30;
v[1]=33;
inPath->AddVertex(v);
v.Fill(33);
inPath->AddVertex(v);
v.Fill(30);
inPath->AddVertex(v);
// Setup the first filter
Filter1Type::Pointer filter1 = Filter1Type::New();
filter1->SetInput(inPath);
chainPath=filter1->GetOutput();
// Setup the second filter
Filter2Type::Pointer filter2 = Filter2Type::New();
filter2->SetInput(filter1->GetOutput());
outPath=filter2->GetOutput();
filter2->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 ["
<< outPath->Evaluate(0.0) << "] to [" << outPath->Evaluate(1.0)
<< "] with a center at [" << outPath->Evaluate(0.5) << "]." << std::endl;
// Floating point can be inprecise, so convert to rounded int for comparison:
if( int(0.5+1000*(outPath->Evaluate(1.0))[0]) !=
int(0.5+1000*(outPath->Evaluate(0.0))[0]) ||
int(0.5+1000*(outPath->Evaluate(1.0))[1]) !=
int(0.5+1000*(outPath->Evaluate(0.0))[1]) ||
int(0.5+(outPath->Evaluate(0.5))[0]) < 31 ||
int(0.5+(outPath->Evaluate(0.5))[0]) > 32 ||
int(0.5+(outPath->Evaluate(0.5))[1]) != 33)
{
passed = false;
}
if (passed)
{
std::cout << "PathToFourierSeriesPathFilter tests passed" << std::endl;
return EXIT_SUCCESS;
}
else
{
std::cout << "PathToFourierSeriesPathFilter tests failed" << std::endl;
return EXIT_FAILURE;
}
}
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