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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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.
*
*=========================================================================*/
#ifndef itkTorusInteriorExteriorSpatialFunction_hxx
#define itkTorusInteriorExteriorSpatialFunction_hxx
namespace itk
{
template <unsigned int VDimension, typename TInput>
auto
TorusInteriorExteriorSpatialFunction<VDimension, TInput>::Evaluate(const InputType & position) const -> OutputType
{
double x = position[0] - m_Origin[0];
double y = position[1] - m_Origin[1];
double z = position[2] - m_Origin[2];
double k = std::pow(m_MajorRadius - std::sqrt(x * x + y * y), 2.0) + z * z;
if (k <= (m_MinorRadius * m_MinorRadius))
{
return true;
}
else
{
return false;
}
}
template <unsigned int VDimension, typename TInput>
void
TorusInteriorExteriorSpatialFunction<VDimension, TInput>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
unsigned int i;
os << indent << "Origin: [";
for (i = 0; i < VDimension - 1; ++i)
{
os << m_Origin[i] << ", ";
}
os << ']' << std::endl;
os << indent << "Major radius: " << m_MajorRadius << std::endl;
os << indent << "Minor radius: " << m_MinorRadius << std::endl;
}
} // end namespace itk
#endif
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