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itkFEMLoadLandmark.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFEMLoadLandmark.h,v $
00005   Language:  C++
00006   Date:  $Date: 2009-01-30 21:10:18 $
00007   Version:   $Revision: 1.12 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef __itkFEMLoadLandmark_h
00019 #define __itkFEMLoadLandmark_h
00020 
00021 #include "itkFEMLoadElementBase.h"
00022 #include "vnl/vnl_vector.h"
00023 
00024 namespace itk {
00025 namespace fem {
00026 
00034 class LoadLandmark : public LoadElement {
00035   FEM_CLASS(LoadLandmark,LoadElement)
00036 public:
00037 
00041   double eta;
00042 
00046   vnl_vector<Float> m_pt;
00047 
00051   vnl_vector<Float> m_target;
00052 
00053   vnl_vector<Float> m_source;
00054 
00055   vnl_vector<Float> m_force;
00056 
00057 
00062   //Element::ConstPointer m_element;
00063 
00067   Solution::ConstPointer m_Solution;
00068 
00072   void SetSolution(Solution::ConstPointer ptr) { m_Solution = ptr; }
00073   Solution::ConstPointer GetSolution() { return m_Solution; }
00074   Float GetSolution(unsigned int i, unsigned int v=0) { return m_Solution->GetSolutionValue(i,v); }
00076 
00080   const Element::VectorType& GetPoint() const  { return m_pt; }
00081 
00085   void SetPoint( const  vnl_vector<Float>& pt) { m_pt=pt; }
00086 
00090   Element::VectorType& GetSource()
00091     {
00092     return m_source;
00093     }
00094 
00095   Element::VectorType& GetForce()
00096     {
00097     return m_force;
00098     }
00099 
00103   void SetForce( const  vnl_vector<Float>& force)
00104     {
00105     if (m_force.size() != force.size())
00106       {
00107       m_force.set_size(force.size());
00108       }
00109     for (unsigned int i=0; i<force.size(); i++)
00110       {
00111       m_force[i]=force[i];
00112       }
00113     }
00115 
00116 
00120   void SetSource( const  vnl_vector<Float>& source)
00121     {
00122     if (m_source.size() != source.size())
00123       {
00124       m_source.set_size(source.size());
00125       }
00126     for (unsigned int i=0; i<source.size(); i++)
00127       {
00128       m_source[i]=source[i];
00129       }
00130     }
00132 
00136   const Element::VectorType& GetTarget() const
00137     {
00138     return m_target;
00139     }
00140 
00144   void SetTarget( const  vnl_vector<Float>& target)
00145     {
00146     if (m_target.size() != target.size())
00147       {
00148       m_target.set_size(target.size());
00149       }
00150     for (unsigned int i=0; i<target.size(); i++)
00151       {
00152       m_target[i]=target[i];
00153       }
00154     }
00156 
00157   void ScalePointAndForce( double* spacing, double fwt)
00158     {
00159     for (unsigned int i=0; i<m_target.size(); i++)
00160       {
00161       m_target[i] /= spacing[i];
00162       m_source[i] /= spacing[i];
00163       this->eta *= fwt;
00164       }
00165     }
00166 
00170   virtual void Read( std::istream& f, void* info );
00171 
00175   virtual void AssignToElement( Element::ArrayType::Pointer elements );
00176 
00180   virtual void Write( std::ostream& f ) const;
00181 
00185   LoadLandmark() {}
00186 };
00187 
00188 FEM_CLASS_INIT(LoadLandmark)
00189 
00190 }} // end namespace itk::fem
00191 
00192 #endif // #ifndef __itkFEMLoadLandmark_h
00193 

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