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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkFrustumSpatialFunction.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:36 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#ifndef __itkFrustumSpatialFunction_txx |
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#define __itkFrustumSpatialFunction_txx |
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#include "itkFrustumSpatialFunction.h" |
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namespace itk |
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{ |
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template <unsigned int VImageDimension,typename TInput> |
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FrustumSpatialFunction<VImageDimension,TInput>::FrustumSpatialFunction() |
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{ |
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for (unsigned int i = 0; i < m_Apex.GetPointDimension(); i++) |
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{ |
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m_Apex[i] = 0.0; |
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} |
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m_AngleZ = 0.0; |
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m_ApertureAngleX = 0.0; |
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m_ApertureAngleY = 0.0; |
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m_TopPlane = 0.0; |
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m_BottomPlane = 0.0; |
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m_RotationPlane = RotateInXZPlane; |
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} |
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template <unsigned int VImageDimension,typename TInput> |
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FrustumSpatialFunction<VImageDimension,TInput>::~FrustumSpatialFunction() |
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{ |
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} |
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template <unsigned int VImageDimension,typename TInput> |
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typename FrustumSpatialFunction<VImageDimension,TInput>::OutputType |
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FrustumSpatialFunction<VImageDimension,TInput> |
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::Evaluate(const InputType& position) const |
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{ |
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typedef InputType PointType; |
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TDA |
typedef typename PointType::VectorType VectorType; |
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VectorType relativePosition = position - m_Apex; |
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const double distanceToApex = relativePosition.GetNorm(); |
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// Check Top and Bottom planes.. If the angle is negative, the |
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// top plane may be less than the bottom plane, but is ok. |
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if( m_TopPlane <= m_BottomPlane ) |
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{ |
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if( distanceToApex < m_TopPlane || |
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distanceToApex > m_BottomPlane ) |
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{ |
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return 0; |
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} |
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} |
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else |
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**{ |
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if( distanceToApex > m_TopPlane || |
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distanceToApex < m_BottomPlane ) |
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{ |
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return 0; |
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} |
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} |
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if( m_RotationPlane == RotateInXZPlane ) |
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{ |
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const double dx = relativePosition[0]; |
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const double dy = relativePosition[1]; |
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const double dz = relativePosition[2]; |
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const double distanceXZ = sqrt( dx * dx + dz * dz ); |
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const double deg2rad = atan( 1.0f ) / 45.0; |
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// Check planes along Y |
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const double angleY = atan2( dy, distanceXZ ); |
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if( fabs( angleY ) > m_ApertureAngleY * deg2rad ) |
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{ |
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return 0; |
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} |
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// Check planes along X |
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const double angleX = atan2( dx, dz ); |
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if( cos( angleX + ( 180.0 + m_AngleZ ) * deg2rad ) < |
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cos( deg2rad * m_ApertureAngleX ) ) |
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{ |
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return 0; |
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} |
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return 1; |
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} |
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else if( m_RotationPlane == RotateInYZPlane ) |
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{ |
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const double dx = relativePosition[0]; |
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const double dy = relativePosition[1]; |
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const double dz = relativePosition[2]; |
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const double distanceYZ = sqrt( dy * dy + dz * dz ); |
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const double deg2rad = atan( 1.0f ) / 45.0; |
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// Check planes along X |
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const double angleX = atan2( dx, distanceYZ ); |
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if( fabs( angleX ) > m_ApertureAngleX * deg2rad ) |
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{ |
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return 0; |
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} |
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// Check planes along Y |
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const double angleY = atan2( dy, dz ); |
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if( cos( angleY + ( 180.0 + m_AngleZ ) * deg2rad ) < |
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cos( deg2rad * m_ApertureAngleY ) ) |
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{ |
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return 0; |
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} |
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return 1; |
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} |
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else |
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{ |
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itkExceptionMacro( << "Rotation plane not set!" ); |
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} |
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return 0; |
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} |
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template <unsigned int VImageDimension,typename TInput> |
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void |
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FrustumSpatialFunction<VImageDimension,TInput>:: |
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PrintSelf(std::ostream& os, Indent indent) const |
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{ |
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Superclass::PrintSelf(os,indent); |
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os << indent << "Apex: " << m_Apex << std::endl; |
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os << indent << "AngleZ: " << m_AngleZ << std::endl; |
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os << indent << "ApertureAngleX: " << m_ApertureAngleX << std::endl; |
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os << indent << "ApertureAngleY: " << m_ApertureAngleY << std::endl; |
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os << indent << "TopPlane: " << m_TopPlane << std::endl; |
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os << indent << "BottomPlane: " << m_BottomPlane << std::endl; |
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os << indent << "RotationPlane: " << m_RotationPlane << std::endl; |
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} |
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} // end namespace itk |
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#endif |
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