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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkImageSpatialObjectTest.cxx,v $
Language: C++
Date: $Date: 2009-04-07 14:34:48 $
Version: $Revision: 1.17 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
// Disable warning for long symbol names in this file only
#ifdef _MSC_VER
#pragma warning ( disable : 4786 )
#endif
/*
* This is a test file for the itkImageSpatialObject class.
* The suported pixel types does not include itkRGBPixel, itkRGBAPixel, etc...
* So far it only allows to manage images of simple types like unsigned short,
* unsigned int, or itk::Vector<...>.
*/
#include "itkImage.h"
#include "itkImageRegionIterator.h"
#include "itkAffineTransform.h"
#include "itkPoint.h"
#include "itkImageSpatialObject.h"
#include "itkLinearInterpolateImageFunction.h"
int itkImageSpatialObjectTest(int, char* [])
{
#define NDimensions 3
typedef double ScalarType;
typedef unsigned short Pixel;
typedef itk::Image<Pixel,NDimensions> ImageType;
typedef itk::ImageSpatialObject<NDimensions,Pixel> ImageSpatialObject;
typedef ImageSpatialObject::BoundingBoxType BoundingBox;
typedef itk::ImageRegionIterator<ImageType> Iterator;
typedef itk::Point<ScalarType,NDimensions> Point;
ImageType::Pointer image = ImageType::New();
ImageType::SizeType size = {{ 10, 10, 10 }};
ImageType::IndexType index = {{ 0, 0, 0 }};
ImageType::RegionType region;
ImageType::PointType origin;
origin.Fill(5);
region.SetSize(size);
region.SetIndex(index);
image->SetOrigin(origin);
image->SetLargestPossibleRegion(region);
image->SetBufferedRegion(region);
image->SetRequestedRegion(region);
image->Allocate();
Iterator it(image,region);
Pixel p =0;
for(; !it.IsAtEnd(); ++it, ++p)
{
it.Set(p);
}
it.GoToBegin();
ImageSpatialObject::Pointer imageSO = ImageSpatialObject::New();
imageSO->Print(std::cout);
imageSO->SetImage(image);
ImageSpatialObject::TransformType::OffsetType offset;
offset.Fill(5);
imageSO->GetObjectToParentTransform()->SetOffset(offset);
imageSO->ComputeObjectToWorldTransform();
Point q,r;
double returnedValue,expectedValue;
r.Fill(9);
q.Fill(15);
imageSO->ComputeBoundingBox();
std::cout << "Bounding Box = " << imageSO->GetBoundingBox()->GetBounds() << std::endl;
std::cout<<"IsInside()...";
if( imageSO->IsInside(r) || !imageSO->IsInside(q) )
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
else
{
std::cout<<"[PASSED]"<<std::endl;
}
q.Fill(15.1);
expectedValue = 555;
try
{
imageSO->ValueAt(q,returnedValue);
}
catch( itk::ExceptionObject & e )
{
throw e;
}
std::cout<<"ValueAt()...";
if( returnedValue != expectedValue )
{
std::cout << "Expected: " << expectedValue << " returned: " << returnedValue << std::endl;
std::cout <<"[FAILED]: " << std::endl;
return EXIT_FAILURE;
}
else
{
std::cout<<"[PASSED]"<<std::endl;
}
ImageSpatialObject::OutputVectorType derivative,expectedDerivative;
Pixel expectedPixel;
imageSO->DerivativeAt(q,1,derivative);
expectedPixel = 1;
expectedDerivative[0]=expectedPixel;
expectedPixel = 10;
expectedDerivative[1]=expectedPixel;
expectedPixel = 100;
expectedDerivative[2]=expectedPixel;
std::cout<<"DerivativeAt()...";
if( derivative != expectedDerivative )
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
else
{
std::cout<<"[PASSED]"<<std::endl;
}
// Now testing the ValueAt() with an interpolator
typedef itk::LinearInterpolateImageFunction<ImageType> InterpolatorType;
InterpolatorType::Pointer interpolator = InterpolatorType::New();
imageSO->SetInterpolator(interpolator);
expectedValue = 566.1;
try
{
imageSO->ValueAt(q,returnedValue);
}
catch( itk::ExceptionObject & e )
{
throw e;
}
std::cout<<"ValueAt() with interpolator...";
if( vcl_fabs(returnedValue-expectedValue)>0.001 )
{
std::cout << "Expected: " << expectedValue << " returned: " << returnedValue << std::endl;
return EXIT_FAILURE;
}
else
{
std::cout<<"[PASSED]"<<std::endl;
}
imageSO->DerivativeAt(q,1,derivative);
expectedDerivative[0]=1;
expectedDerivative[1]=10;
expectedDerivative[2]=100;
std::cout<<"DerivativeAt() with interpolator ...";
if( vcl_fabs(derivative[0]-expectedDerivative[0])>0.00001
|| vcl_fabs(derivative[1]-expectedDerivative[1])>0.00001
|| vcl_fabs(derivative[2]-expectedDerivative[2])>0.00001
)
{
std::cout << "Expected: " << derivative << " returned: " << expectedDerivative << std::endl;
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
else
{
std::cout<<"[PASSED]"<<std::endl;
}
imageSO->Print(std::cout);
return EXIT_SUCCESS;
}
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