/usr/include/InsightToolkit/Common/itkFiniteCylinderSpatialFunction.txx is in libinsighttoolkit3-dev 3.20.1+git20120521-6build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkFiniteCylinderSpatialFunction.txx
Language: C++
Date: $Date$
Version: $Revision$
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.
=========================================================================*/
#ifndef __itkFiniteCylinderSpatialFunction_txx
#define __itkFiniteCylinderSpatialFunction_txx
#include "itkFiniteCylinderSpatialFunction.h"
#include <math.h>
namespace itk
{
template <unsigned int VDimension, typename TInput>
FiniteCylinderSpatialFunction<VDimension, TInput>
::FiniteCylinderSpatialFunction()
{
m_Orientation.Fill(1.0f);
m_AxisLength = 1.0f; // Length of cylinder axis.
m_Radius = 1.0f; // Radius of cylinder.
m_Center.Fill(0.0f); // Origin of cylinder
}
template <unsigned int VDimension, typename TInput >
FiniteCylinderSpatialFunction<VDimension, TInput>
::~FiniteCylinderSpatialFunction()
{
}
template <unsigned int VDimension, typename TInput>
typename FiniteCylinderSpatialFunction<VDimension, TInput>::OutputType
FiniteCylinderSpatialFunction<VDimension, TInput>
::Evaluate(const InputType& position) const
{
double halfAxisLength = 0.5 * m_AxisLength;
Vector<double, VDimension> orientationVector;
Vector<double, VDimension> pointVector;
Vector<double, VDimension> medialAxisVector;
for(unsigned int i = 0; i < VDimension; i++)
{
pointVector[i] = position[i] - m_Center[i];
}
//take square root to normalize the orientation vector
medialAxisVector[0] = vcl_sqrt(m_Orientation[0]);
medialAxisVector[1] = vcl_sqrt(m_Orientation[1]);
medialAxisVector[2] = vcl_sqrt(m_Orientation[2]);
//if length_test is less than the length of the cylinder (half actually, because its length from the center), than
//the point is within the length of the cylinder along the medial axis
const double distanceFromCenter = dot_product( medialAxisVector.GetVnlVector(), pointVector.GetVnlVector() );
if(vcl_fabs(distanceFromCenter) <= (halfAxisLength)
&& m_Radius >= vcl_sqrt(vcl_pow(pointVector.GetVnlVector().magnitude(),2.0) - vcl_pow(distanceFromCenter,2.0)))
{
return 1;
}
else return 0;
}
template <unsigned int VDimension, typename TInput>
void FiniteCylinderSpatialFunction<VDimension, TInput>
::PrintSelf(std::ostream& os, Indent indent) const
{
unsigned int i;
Superclass::PrintSelf(os, indent);
os << indent << "Lengths of Axis: " << m_AxisLength << std::endl;
os << indent << "Radius: " << m_Radius << std::endl;
os << indent << "Origin of Cylinder: " << m_Center << std::endl;
os << indent << "Orientation: " << std::endl;
for (i = 0; i < VDimension; i++)
{
os << indent << indent << m_Orientation[i] << " ";
}
os << std::endl;
}
} // end namespace itk
#endif
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