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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkAzimuthElevationToCartesianTransformTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:08 $
Version: $Revision: 1.15 $
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkAzimuthElevationToCartesianTransform.h"
typedef double CoordinateRepresentationType;
typedef itk::Point<CoordinateRepresentationType,3> PointType;
void PrintPoint( const PointType & p )
{
for( unsigned int i=0; i<PointType::PointDimension; i++)
{
std::cout << p[i] << ", ";
}
std::cout << std::endl;
}
int itkAzimuthElevationToCartesianTransformTest(int, char *[])
{
const CoordinateRepresentationType ACCEPTABLE_ERROR = 1E-10;
typedef itk::AzimuthElevationToCartesianTransform<
CoordinateRepresentationType
> AzimuthElevationToCartesianTransformType;
AzimuthElevationToCartesianTransformType::Pointer transform =
AzimuthElevationToCartesianTransformType::New();
transform->SetAzimuthElevationToCartesianParameters(1.0,5.0,45,45);
PointType p;
p[0] = 3;
p[1] = 3;
p[2] = 25;
std::cout<< "original values of (theta,phi,r) p = "<<std::endl;
PrintPoint(p);
transform->SetForwardAzimuthElevationToCartesian();
PointType answer = transform->TransformPoint(p);
PrintPoint(answer);
PointType answerBackwards = transform->BackTransformPoint(answer);
PrintPoint(answerBackwards);
transform->SetForwardCartesianToAzimuthElevation();
PointType reverseDirectionAnswer = transform->BackTransformPoint(answerBackwards);
PrintPoint(reverseDirectionAnswer);
PointType reverseDirectionAnswerBackwards = transform->TransformPoint(reverseDirectionAnswer);
PrintPoint(reverseDirectionAnswerBackwards);
transform->Print(std::cout);
bool same=true;
for (unsigned int i=0; i < p.PointDimension && same; i++)
{
same = ((vnl_math_abs(p[i] - answerBackwards[i]) < ACCEPTABLE_ERROR) &&
(vnl_math_abs(p[i] - reverseDirectionAnswerBackwards[i]) < ACCEPTABLE_ERROR) &&
(vnl_math_abs(answer[i] - reverseDirectionAnswer[i]) < ACCEPTABLE_ERROR)) ;
}
if (!same)
{
std::cout << "itkAzimuthElevationToCartesianTransformTest failed" <<std::endl;
return EXIT_FAILURE;
}
std::cout << "itkAzimuthElevationToCartesianTransformTest passed" <<std::endl;
return EXIT_SUCCESS;
}
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