/usr/include/InsightToolkit/Numerics/FEM/itkFEMLoadLandmark.h is in libinsighttoolkit3-dev 3.20.1-1.
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Program: Insight Segmentation & Registration Toolkit
Module: itkFEMLoadLandmark.h
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 __itkFEMLoadLandmark_h
#define __itkFEMLoadLandmark_h
#include "itkFEMLoadElementBase.h"
#include "vnl/vnl_vector.h"
namespace itk {
namespace fem {
/**
* \class LoadLandmark
* \brief This load is derived from the motion of a specific landmark
*
* This load depends on the motion of a point from an undeformed
* configuration to a deformed configuration.
*/
class LoadLandmark : public LoadElement {
FEM_CLASS(LoadLandmark,LoadElement)
public:
/**
* Square root of the variance (eta)
*/
double eta;
/**
* Point in __local coordinates__ in the undeformed configuration
*/
vnl_vector<Float> m_pt;
/**
* Point in __global coordinates__ in the deformed configuration
*/
vnl_vector<Float> m_target;
vnl_vector<Float> m_source;
vnl_vector<Float> m_force;
/**
* Pointer to the element which contains the undeformed
* configuration of the landmark
*/
//Element::ConstPointer m_element;
/**
* Pointer to the solution object
*/
Solution::ConstPointer m_Solution;
/**
* Methods to access the most recent solution vector
*/
void SetSolution(Solution::ConstPointer ptr) { m_Solution = ptr; }
Solution::ConstPointer GetSolution() { return m_Solution; }
Float GetSolution(unsigned int i, unsigned int v=0) { return m_Solution->GetSolutionValue(i,v); }
/**
* Access the location of the point load
*/
const Element::VectorType& GetPoint() const { return m_pt; }
/**
* Set the force vector
*/
void SetPoint( const vnl_vector<Float>& pt) { m_pt=pt; }
/**
* Access the location of the point load
*/
Element::VectorType& GetSource()
{
return m_source;
}
Element::VectorType& GetForce()
{
return m_force;
}
/**
* Set the force vector
*/
void SetForce( const vnl_vector<Float>& force)
{
if (m_force.size() != force.size())
{
m_force.set_size(force.size());
}
for (unsigned int i=0; i<force.size(); i++)
{
m_force[i]=force[i];
}
}
/**
* Set the force vector
*/
void SetSource( const vnl_vector<Float>& source)
{
if (m_source.size() != source.size())
{
m_source.set_size(source.size());
}
for (unsigned int i=0; i<source.size(); i++)
{
m_source[i]=source[i];
}
}
/**
* Access the location of the point load
*/
const Element::VectorType& GetTarget() const
{
return m_target;
}
/**
* Set the force vector
*/
void SetTarget( const vnl_vector<Float>& target)
{
if (m_target.size() != target.size())
{
m_target.set_size(target.size());
}
for (unsigned int i=0; i<target.size(); i++)
{
m_target[i]=target[i];
}
}
void ScalePointAndForce( double* spacing, double fwt)
{
for (unsigned int i=0; i<m_target.size(); i++)
{
m_target[i] /= spacing[i];
m_source[i] /= spacing[i];
this->eta *= fwt;
}
}
/**
* Read a LoadLandmark object from the input stream
*/
virtual void Read( std::istream& f, void* info );
/**
* Assign the LoadLandmark to an element
*/
virtual void AssignToElement( Element::ArrayType::Pointer elements );
/**
* Write a LoadLandmark object to the output stream
*/
virtual void Write( std::ostream& f ) const;
/**
* Default constructors
*/
LoadLandmark() {}
};
FEM_CLASS_INIT(LoadLandmark)
}} // end namespace itk::fem
#endif // #ifndef __itkFEMLoadLandmark_h
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