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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkPolyLineParametricPath.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:45 $ |
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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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DEF |
#ifndef _itkPolyLineParametricPath_txx |
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DEF |
#define _itkPolyLineParametricPath_txx |
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#include "itkPolyLineParametricPath.h" |
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#include <math.h> |
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EML |
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namespace itk |
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{ |
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template<unsigned int VDimension> |
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typename PolyLineParametricPath<VDimension>::OutputType |
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PolyLineParametricPath<VDimension> |
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::Evaluate( const InputType & input ) const |
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{ |
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OutputType output; |
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PointType outputPoint; |
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VertexType vertex0; |
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VertexType vertex1; |
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double fractionOfLineSegment; |
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// Handle the endpoint carefully, since there is no following vertex |
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if( input >= InputType( m_VertexList->Size() - 1 ) ) |
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{ |
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return m_VertexList->ElementAt(m_VertexList->Size() - 1); // the last vertex |
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} |
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vertex0 = m_VertexList->ElementAt( int(input) ); |
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vertex1 = m_VertexList->ElementAt( int(input+1.0) ); |
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fractionOfLineSegment = input - int(input); |
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outputPoint = vertex0 + (vertex1-vertex0)*fractionOfLineSegment; |
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// For some stupid reason, there is no easy way to cast from a point to a |
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// continuous index. |
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for( unsigned int i=0; i<VDimension; i++ ) { output[i] = outputPoint[i]; } |
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return output; |
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} |
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EML |
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//template<unsigned int VDimension> |
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//typename PolyLineParametricPath<VDimension>::VectorType |
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//PolyLineParametricPath<VDimension> |
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//::EvaluateDerivative(const InputType & input) const |
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//{ |
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//} |
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EML |
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/** |
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* Constructor |
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*/ |
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template <unsigned int VDimension> |
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PolyLineParametricPath<VDimension> |
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::PolyLineParametricPath() |
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{ |
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this->SetDefaultInputStepSize( 0.3 ); |
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m_VertexList = VertexListType::New(); |
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} |
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EML |
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/** |
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* Standard "PrintSelf" method |
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*/ |
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template <unsigned int VDimension> |
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void |
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PolyLineParametricPath<VDimension> |
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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 << "Verticies: " << m_VertexList << std::endl; |
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} |
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EML |
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} // end namespaceitk |
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#endif |
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