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node_filter.hh
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Sat, Jun 29, 23:38

node_filter.hh
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/**
* @file node_filter.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
*
* @brief to filter nodes with functors
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AST_NODE_FILTER_HH__
#define __AST_NODE_FILTER_HH__
/* -------------------------------------------------------------------------- */
// akantu
#include "aka_common.hh"
#include "mesh_filter.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
class GeometryFilter : public NodeFilterFunctor {
public:
GeometryFilter(const Mesh & mesh,
UInt dir,
Real limit) :
NodeFilterFunctor(),
mesh(mesh), dir(dir), limit(limit) {
this->positions = &(mesh.getNodes());
};
~GeometryFilter() {};
bool operator() (UInt node) {
AKANTU_DEBUG_TO_IMPLEMENT();
};
protected:
const Mesh & mesh;
UInt dir;
Real limit;
const Array<Real> * positions;
};
/* -------------------------------------------------------------------------- */
class FilterPositionsGreaterThan : public GeometryFilter {
public:
FilterPositionsGreaterThan(const Mesh & mesh,
UInt dir,
Real limit) : GeometryFilter(mesh, dir, limit) {};
~FilterPositionsGreaterThan() {};
bool operator() (UInt node) {
AKANTU_DEBUG_IN();
bool to_filter = true;
if((*this->positions)(node,this->dir) > this->limit)
to_filter = false;
AKANTU_DEBUG_OUT();
return to_filter;
};
};
/* -------------------------------------------------------------------------- */
class FilterPositionsLessThan : public GeometryFilter {
public:
FilterPositionsLessThan(const Mesh & mesh,
UInt dir,
Real limit) : GeometryFilter(mesh, dir, limit) {};
~FilterPositionsLessThan() {};
bool operator() (UInt node) {
AKANTU_DEBUG_IN();
bool to_filter = true;
if((*this->positions)(node,this->dir) < this->limit)
to_filter = false;
AKANTU_DEBUG_OUT();
return to_filter;
};
};
/* -------------------------------------------------------------------------- */
// this filter is erase because the convention of filter has changed!!
// filter == true -> keep node
// template<class FilterType>
// void applyNodeFilter(Array<UInt> & nodes, FilterType & filter) {
// Array<UInt>::iterator<> it = nodes.begin();
// for (; it != nodes.end(); ++it) {
// if (filter(*it)) {
// it = nodes.erase(it);
// }
// }
// };
__END_AKANTU__
#endif /* __AST_NODE_FILTER_HH__ */

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