/usr/include/sofa/component/mapping/SubsetMapping.inl is in libsofa1-dev 1.0~beta4-9.
This file is owned by root:root, with mode 0o644.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_COMPONENT_MAPPING_SUBSETMAPPING_INL
#define SOFA_COMPONENT_MAPPING_SUBSETMAPPING_INL
#include "SubsetMapping.h"
namespace sofa
{
namespace component
{
namespace mapping
{
template <class BaseMapping>
SubsetMapping<BaseMapping>::SubsetMapping(In* from, Out* to)
: Inherit(from, to)
, f_indices( initData(&f_indices, "indices", "list of input indices"))
, f_first( initData(&f_first, -1, "first", "first index (use if indices are sequential)"))
, f_last( initData(&f_last, -1, "last", "last index (use if indices are sequential)"))
, f_radius( initData(&f_radius, (Real)1.0e-5, "radius", "search radius to find corresponding points in case no indices are given"))
{
}
template <class BaseMapping>
SubsetMapping<BaseMapping>::~SubsetMapping()
{
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::clear(int reserve)
{
IndexArray& indices = *f_indices.beginEdit();
indices.clear();
if (reserve) indices.reserve(reserve);
f_indices.endEdit();
}
template <class BaseMapping>
int SubsetMapping<BaseMapping>::addPoint(int index)
{
IndexArray& indices = *f_indices.beginEdit();
int i = indices.size();
indices.push_back(index);
f_indices.endEdit();
return i;
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::init()
{
unsigned int inSize = this->fromModel->getX()->size();
if (f_indices.getValue().empty() && f_first.getValue() != -1)
{
IndexArray& indices = *f_indices.beginEdit();
unsigned int first = (unsigned int)f_first.getValue();
unsigned int last = (unsigned int)f_last.getValue();
if (first >= inSize)
first = 0;
if (last >= inSize)
last = inSize-1;
indices.resize(last-first+1);
for (unsigned int i=0; i<indices.size(); ++i)
indices[i] = first+i;
f_indices.endEdit();
}
else if (f_indices.getValue().empty())
{
// We have to construct the correspondance index
const InVecCoord& in = *this->fromModel->getX();
const OutVecCoord& out = *this->toModel->getX();
IndexArray& indices = *f_indices.beginEdit();
indices.resize(out.size());
// searching for the first corresponding point in the 'from' model (there might be several ones).
for (unsigned int i = 0; i < out.size(); ++i)
{
bool found = false;
Real rmax = f_radius.getValue();
for (unsigned int j = 0; j < in.size(); ++j )
{
Real r = (Real)((out[i] - in[j]).norm());
if ( r < rmax )
{
indices[i] = j;
found = true;
rmax = r;
}
}
if (!found)
{
serr<<"ERROR(SubsetMapping): point "<<i<<"="<<out[i]<<" not found in input model within a radius of "<<rmax<<"."<<sendl;
indices[i] = 0;
}
}
f_indices.endEdit();
}
else
{
IndexArray& indices = *f_indices.beginEdit();
for (unsigned int i=0; i<indices.size(); ++i)
{
if ((unsigned)indices[i] >= inSize)
{
serr << "ERROR(SubsetMapping): incorrect index "<<indices[i]<<" (input size "<<inSize<<")"<<sendl;
indices.erase(indices.begin()+i);
--i;
}
}
f_indices.endEdit();
}
this->Inherit::init();
postInit();
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::postInit()
{
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::apply( typename Out::VecCoord& out, const typename In::VecCoord& in )
{
const IndexArray& indices = f_indices.getValue();
out.resize(indices.size());
for(unsigned int i = 0; i < out.size(); ++i)
{
out[i] = in[ indices[i] ];
}
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::applyJ( typename Out::VecDeriv& out, const typename In::VecDeriv& in )
{
const IndexArray& indices = f_indices.getValue();
out.resize(indices.size());
for(unsigned int i = 0; i < out.size(); ++i)
{
out[i] = in[ indices[i] ];
}
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::applyJT( typename In::VecDeriv& out, const typename Out::VecDeriv& in )
{
const IndexArray& indices = f_indices.getValue();
for(unsigned int i = 0; i < in.size(); ++i)
{
out[indices[i]] += in[ i ];
}
}
template <class BaseMapping>
void SubsetMapping<BaseMapping>::applyJT( typename In::VecConst& out, const typename Out::VecConst& in )
{
int offset = out.size();
out.resize(offset+in.size());
const IndexArray& indices = f_indices.getValue();
for(unsigned int i = 0; i < in.size(); ++i)
{
OutConstraintIterator itOut;
for (itOut=in[i].getData().begin();itOut!=in[i].getData().end();itOut++)
{
unsigned int indexIn = itOut->first;
OutDeriv data = (OutDeriv) itOut->second;
out[i+offset].insert( indices[indexIn] , data );
}
}
}
} // namespace mapping
} // namespace component
} // namespace sofa
#endif
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