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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFEMLoadLandmark.cxx,v $
Language: C++
Date: $Date: 2009-01-30 21:10:18 $
Version: $Revision: 1.16 $
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.
=========================================================================*/
// disable debug warnings in MS compiler
#ifdef _MSC_VER
#pragma warning(disable: 4786)
#endif
#include "itkFEMLoadLandmark.h"
namespace itk {
namespace fem {
/**
* Read a LoadLandmark object from the input stream
*/
void LoadLandmark::Read( std::istream& f, void*)
{
int n1, n2;
vnl_vector<Float> pu;
vnl_vector<Float> pd;
// first call the parent's read function
//Superclass::Read(f,info);
// read the dimensions of the undeformed point and set the size of the point accordingly
this->SkipWhiteSpace(f); f>>n1; if(!f) goto out;
pu.set_size(n1);
this->m_pt.set_size(n1);
// read the undeformed point in global coordinates
this->SkipWhiteSpace(f); f>>pu; if(!f) goto out;
// Read the dimensions of the deformed point and set the size of the point accordingly
this->SkipWhiteSpace(f); f>>n2; if(!f) goto out;
pd.set_size(n2);
m_force.set_size(n2);
// read the deformed point in global coordinates
this->SkipWhiteSpace(f); f>>pd; if(!f) goto out;
m_source = pd;
m_pt = pd;
m_target = pu;
m_force = pu-pd;
//std::cout << m_source << std::endl << m_pt << std::endl << m_target << std::endl << m_force << std::endl;
// read the square root of the variance associated with this landmark
this->SkipWhiteSpace(f); f>>eta; if(!f) goto out;
// Verify that the undeformed and deformed points are of the same size.
if (n1 != n2) { goto out; }
this->el.resize(1);
out:
if( !f )
{
throw FEMExceptionIO(__FILE__,__LINE__,"LoadLandmark::Read()","Error reading landmark load!");
}
}
/**
* Find the Element to which the LoadLandmark belongs
*/
void LoadLandmark::AssignToElement(Element::ArrayType::Pointer elements)
{
bool isFound = false;
// Compute & store the local coordinates of the undeformed point and
// the pointer to the element
for (Element::ArrayType::const_iterator n = elements->begin();
n != elements->end() && !isFound; n++)
{
if ( (*n)->GetLocalFromGlobalCoordinates(m_source, this->m_pt) )
{
isFound = true;
std::cout << "Found: " << (&**n) << std::endl;
this->el[0] = *n;
}
}
if (!isFound)
{
throw FEMException(__FILE__,__LINE__,"LoadLandmark::Read() - could not find element containing landmark!");
}
}
/**
* Write the LoadLandmark object to the output stream
*/
void LoadLandmark::Write( std::ostream& f ) const
{
/** first call the parent's write function */
Superclass::Write(f);
/**
* Write the actual LoadLandmark data
*/
/** Information */
f << "\t% Each vector below is preceded by its size" << std::endl;
/** Write the point coordinates in the undeformed state */
f<<"\t"<<m_pt.size()<<" "<<m_pt<<"\t%Point (local) coordinates, undeformed state"<<"\n";
/** check for errors */
if (!f)
{
throw FEMExceptionIO(__FILE__,__LINE__,"LoadBCMFC::Write()","Error writing FEM load!");
}
}
FEM_CLASS_REGISTER(LoadLandmark)
}} // end namespace itk::fem
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