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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 "itkPolyLineParametricPath.h"
#include "itkPathToImageFilter.h"
#include "itkMath.h"
int itkPathToImageFilterTest(int, char* [] )
{
typedef itk::PolyLineParametricPath<2> PathType;
typedef itk::Image<double, 2> ImageType;
typedef PathType::VertexType VertexType;
// Setup the path
std::cout << "Making a square Path with v0 at (30,30) and v2 at (33,33)" << std::endl;
VertexType v;
PathType::Pointer path = PathType::New();
v.Fill(30);
path->AddVertex(v);
v[0]=33;
v[1]=30;
path->AddVertex(v);
v.Fill(33);
path->AddVertex(v);
v[0]=30;
v[1]=33;
path->AddVertex(v);
v.Fill(30);
path->AddVertex(v);
typedef itk::PathToImageFilter<PathType,ImageType> PathToImageFilterType;
PathToImageFilterType::Pointer imageFilter = PathToImageFilterType::New();
imageFilter->SetInput(path);
imageFilter = PathToImageFilterType::New();
imageFilter->SetInput(path);
imageFilter->SetPathValue(1);
imageFilter->GetPathValue();
imageFilter->SetBackgroundValue(0);
imageFilter->GetBackgroundValue();
ImageType::SizeType size;
size[0]=256;
size[1]=256;
imageFilter->SetSize(size);
// Testing spacing
std::cout << "Testing Spacing: ";
float spacing_float[2];
double spacing_double[2];
for(unsigned int i=0;i<2;i++)
{
spacing_float[i]=1.0;
spacing_double[i]=1.0;
}
imageFilter->SetSpacing(spacing_float);
imageFilter->SetSpacing(spacing_double);
const double* spacing_result = imageFilter->GetSpacing();
for(unsigned int i=0;i<2;i++)
{
if(spacing_result[i]!=1.0)
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
std::cout << "[PASSED]" << std::endl;
// Testing Origin
std::cout << "Testing Origin: ";
float origin_float[2];
double origin_double[2];
for(unsigned int i=0;i<2;i++)
{
origin_float[i]=0.0;
origin_double[i]=0.0;
}
imageFilter->SetOrigin(origin_float);
imageFilter->SetOrigin(origin_double);
const double* origin_result = imageFilter->GetOrigin();
for(unsigned int i=0;i<2;i++)
{
if(origin_result[i]!=0.0)
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
std::cout << "[PASSED]" << std::endl;
// Testing PrintSelf
std::cout << imageFilter << std::endl;
//Update the filter
imageFilter->Update();
ImageType::Pointer image = imageFilter->GetOutput();
std::cout << "Testing Output Image: ";
ImageType::IndexType index;
// Test only pixels on or in the path
for(int i=0;i<=3;i++)
{
for(int j=0;j<=3;j++)
{
double targetValue;
index[0] = 30+i;
index[1] = 30+j;
if( 0<i&&i<3 && 0<j&&j<3 )
{
// inside the closed path, but not on it
targetValue=0;
}
else
{
// on the path
targetValue=1;
}
if(itk::Math::NotAlmostEquals( image->GetPixel(index), targetValue))
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
}
std::cout << "[PASSED]" << std::endl;
return EXIT_SUCCESS;
}
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