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msh_save.hpp
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msh_save.hpp
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/*
--------------------------------------------------------
* MSH-SAVE: parse MESH data into *.MSH file.
--------------------------------------------------------
*
* This program may be freely redistributed under the
* condition that the copyright notices (including this
* entire header) are not removed, and no compensation
* is received through use of the software. Private,
* research, and institutional use is free. You may
* distribute modified versions of this code UNDER THE
* CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE
* TO IT IN THE SAME FILE REMAIN UNDER COPYRIGHT OF THE
* ORIGINAL AUTHOR, BOTH SOURCE AND OBJECT CODE ARE
* MADE FREELY AVAILABLE WITHOUT CHARGE, AND CLEAR
* NOTICE IS GIVEN OF THE MODIFICATIONS. Distribution
* of this code as part of a commercial system is
* permissible ONLY BY DIRECT ARRANGEMENT WITH THE
* AUTHOR. (If you are not directly supplying this
* code to a customer, and you are instead telling them
* how they can obtain it for free, then you are not
* required to make any arrangement with me.)
*
* Disclaimer: Neither I nor: Columbia University, The
* Massachusetts Institute of Technology, The
* University of Sydney, nor The National Aeronautics
* and Space Administration warrant this code in any
* way whatsoever. This code is provided "as-is" to be
* used at your own risk.
*
--------------------------------------------------------
*
* Last updated: 10 September, 2018
*
* Copyright 2013-2018
* Darren Engwirda
* https://github.com/dengwirda/
*
--------------------------------------------------------
*/
# pragma once
# ifndef __MSH_SAVE__
# define __MSH_SAVE__
/*
--------------------------------------------------------
* SAVE-JMSH: save *.JMSH output file.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type save_jmsh (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
rdel_data &_rdel
)
{
iptr_type _errv = __no_error ;
__unreferenced(_jlog) ;
try
{
containers::array<iptr_type> _nmap;
std::ofstream _file ;
std::string _path ;
std::string _name ;
std::string _fext ;
file_part(
_jcfg._mesh_file,
_path, _name, _fext);
_file.open(
_jcfg._mesh_file,
std::ofstream::out );
if (_file.is_open())
{
if (_rdel._ndim == +2 &&
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
/*-------------------------- save 2-dim. mesh */
_file << "# " << _name << ".msh"
<< "; created by " ;
_file << __JGSWVSTR "\n" ;
_file << "MSHID=2;EUCLIDEAN-MESH \n" ;
_file << "NDIMS=2 \n" ;
_file << std::scientific ;
_file <<
std::setprecision(16);
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_2d._tria._nset.count() ,
containers::tight_alloc, -1) ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
}
}
for (auto _iter = _rdel.
_euclidean_rdel_2d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
_nmap[_item->_data._node[2]]=1 ;
}
}
iptr_type _last = +0;
for (auto _iter = _nmap.head() ;
_iter != _nmap.tend() ;
++_iter )
{
if ( *_iter >= +0)
{
*_iter = _last ++ ;
}
}
if (_rdel._euclidean_rdel_2d.
_tria._nset.count() > 0)
{
/*-------------------------- write POINT data */
_file << "POINT=" << _last << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << _iter->pval(0) << ";"
<< _iter->pval(1) << ";"
<< +0 << "\n" ;
}
}
}
if (_jcfg._iter_opts.dual() )
{
if (_rdel._euclidean_rdel_2d.
_tria._nset.count() > 0)
{
/*-------------------------- write POWER data */
_file << "POWER="
<< _last << ";1" << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << (real_type)0. << "\n" ;
}
}
}
}
if (_rdel._euclidean_rdel_2d.
_eset.count() > +0)
{
/*-------------------------- write EDGE2 data */
_file << "EDGE2=" <<
_rdel._euclidean_rdel_2d.
_eset.count() << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_file <<
_nmap[_item->_data._node[0]]
<< ";" <<
_nmap[_item->_data._node[1]]
<< ";" <<
_item->_data._part << "\n" ;
}
}
}
if (_rdel._euclidean_rdel_2d.
_tset.count() > +0)
{
/*-------------------------- write TRIA3 data */
_file << "TRIA3=" <<
_rdel._euclidean_rdel_2d.
_tset.count() << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_file <<
_nmap[_item->_data._node[0]]
<< ";" <<
_nmap[_item->_data._node[1]]
<< ";" <<
_nmap[_item->_data._node[2]]
<< ";" <<
_item->_data._part << "\n" ;
}
}
}
}
else
if (_rdel._ndim == +3 &&
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
/*-------------------------- save 3-dim. mesh */
_file << "# " << _name << ".msh"
<< "; created by " ;
_file << __JGSWVSTR "\n" ;
_file << "MSHID=2;EUCLIDEAN-MESH \n" ;
_file << "NDIMS=3 \n" ;
_file << std::scientific ;
_file <<
std::setprecision(16);
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_3d._tria._nset.count() ,
containers::tight_alloc, -1) ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
}
}
for (auto _iter = _rdel.
_euclidean_rdel_3d._fset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._fset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
_nmap[_item->_data._node[2]]=1 ;
}
}
for (auto _iter = _rdel.
_euclidean_rdel_3d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
_nmap[_item->_data._node[2]]=1 ;
_nmap[_item->_data._node[3]]=1 ;
}
}
iptr_type _last = +0;
for (auto _iter = _nmap.head() ;
_iter != _nmap.tend() ;
++_iter )
{
if ( *_iter >= +0)
{
*_iter = _last ++ ;
}
}
if (_rdel._euclidean_rdel_3d.
_tria._nset.count() > 0)
{
/*-------------------------- write POINT data */
_file << "POINT=" << _last << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_3d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << _iter->pval(0) << ";"
<< _iter->pval(1) << ";"
<< _iter->pval(2) << ";"
<< +0 << "\n" ;
}
}
}
if (_jcfg._iter_opts.dual() )
{
if (_rdel._euclidean_rdel_3d.
_tria._nset.count() > 0)
{
/*-------------------------- write POWER data */
_file << "POWER="
<< _last << ";1" << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_3d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << (real_type)0. << "\n" ;
}
}
}
}
if (_rdel._euclidean_rdel_3d.
_eset.count() > +0)
{
/*-------------------------- write EDGE2 data */
_file << "EDGE2=" <<
_rdel._euclidean_rdel_3d.
_eset.count() << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_file <<
_nmap[_item->_data._node[0]]
<< ";" <<
_nmap[_item->_data._node[1]]
<< ";" <<
_item->_data._part << "\n" ;
}
}
}
if (_rdel._euclidean_rdel_3d.
_fset.count() > +0)
{
/*-------------------------- write TRIA3 data */
_file << "TRIA3=" <<
_rdel._euclidean_rdel_3d.
_fset.count() << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._fset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._fset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_file <<
_nmap[_item->_data._node[0]]
<< ";" <<
_nmap[_item->_data._node[1]]
<< ";" <<
_nmap[_item->_data._node[2]]
<< ";" <<
_item->_data._part << "\n" ;
}
}
}
if (_rdel._euclidean_rdel_3d.
_tset.count() > +0)
{
/*-------------------------- write TRIA4 data */
_file << "TRIA4=" <<
_rdel._euclidean_rdel_3d.
_tset.count() << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_file <<
_nmap[_item->_data._node[0]]
<< ";" <<
_nmap[_item->_data._node[1]]
<< ";" <<
_nmap[_item->_data._node[2]]
<< ";" <<
_nmap[_item->_data._node[3]]
<< ";" <<
_item->_data._part << "\n" ;
}
}
}
}
}
else
{
_errv = __file_not_located ;
}
_file.close();
}
catch (...)
{
_errv = __unknown_error ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* SAVE-TRIA: save *.JMSH output file.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type save_tria (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
rdel_data &_rdel
)
{
iptr_type _errv = __no_error ;
__unreferenced(_jlog) ;
try
{
containers::array<iptr_type> _nmap;
std::ofstream _file ;
std::string _path ;
std::string _name ;
std::string _fext ;
file_part(
_jcfg._tria_file,
_path, _name, _fext);
_file.open(
_jcfg._tria_file,
std::ofstream::out );
if (_file.is_open())
{
if (_rdel._ndim == +2 &&
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
/*-------------------------- save 2-dim. mesh */
_file << "# " << _name << ".msh"
<< "; created by " ;
_file << __JGSWVSTR "\n" ;
_file << "MSHID=2;EUCLIDEAN-MESH \n" ;
_file << "NDIMS=2 \n" ;
_file << std::scientific ;
_file <<
std::setprecision(16);
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_2d._tria._nset.count() ,
containers::tight_alloc, -1) ;
iptr_type _ntri = +0;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._tset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._tset.tend();
++_iter )
{
if (_iter->mark() < +0) continue ;
_ntri += +1 ;
_nmap[_iter->node(0)]=1;
_nmap[_iter->node(1)]=1;
_nmap[_iter->node(2)]=1;
}
iptr_type _last = +0;
for (auto _iter = _nmap.head() ;
_iter != _nmap.tend() ;
++_iter )
{
if ( *_iter >= +0)
{
*_iter = _last ++ ;
}
}
if (_rdel._euclidean_rdel_2d.
_tria._nset.count() > 0)
{
/*-------------------------- write POINT data */
_file << "POINT=" << _last << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << _iter->pval(0) << ";"
<< _iter->pval(1) << ";"
<< +0 << "\n" ;
}
}
}
if (_rdel._euclidean_rdel_2d.
_tria._tset.count() > 0)
{
/*-------------------------- write TRIA3 data */
_file << "TRIA3=" << _ntri << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._tset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._tset.tend();
++_iter )
{
if (_iter->mark() < +0) continue ;
_file <<
_nmap[_iter->node(0)] << ";" <<
_nmap[_iter->node(1)] << ";" <<
_nmap[_iter->node(2)] << ";" <<
+0 << "\n" ;
}
}
}
else
if (_rdel._ndim == +3 &&
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
/*-------------------------- save 3-dim. mesh */
_file << "# " << _name << ".msh"
<< "; created by " ;
_file << __JGSWVSTR "\n" ;
_file << "MSHID=2;EUCLIDEAN-MESH \n" ;
_file << "NDIMS=3 \n" ;
_file << std::scientific ;
_file <<
std::setprecision(16);
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_3d._tria._nset.count() ,
containers::tight_alloc, -1) ;
iptr_type _ntri = +0;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tria._tset.head();
_iter != _rdel.
_euclidean_rdel_3d._tria._tset.tend();
++_iter )
{
if (_iter->mark() < +0) continue ;
_ntri += +1 ;
_nmap[_iter->node(0)]=1;
_nmap[_iter->node(1)]=1;
_nmap[_iter->node(2)]=1;
_nmap[_iter->node(3)]=1;
}
iptr_type _last = +0;
for (auto _iter = _nmap.head() ;
_iter != _nmap.tend() ;
++_iter )
{
if ( *_iter >= +0)
{
*_iter = _last ++ ;
}
}
if (_rdel._euclidean_rdel_3d.
_tria._nset.count() > 0)
{
/*-------------------------- write POINT data */
_file << "POINT=" << _last << "\n" ;
iptr_type _npos = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_3d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0)
{
_file << _iter->pval(0) << ";"
<< _iter->pval(1) << ";"
<< _iter->pval(2) << ";"
<< +0 << "\n" ;
}
}
}
if (_rdel._euclidean_rdel_3d.
_tria._tset.count() > 0)
{
/*-------------------------- write TRIA3 data */
_file << "TRIA4=" << _ntri << "\n" ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._tria._tset.head();
_iter != _rdel.
_euclidean_rdel_3d._tria._tset.tend();
++_iter )
{
if (_iter->mark() < +0) continue ;
_file <<
_nmap[_iter->node(0)] << ";" <<
_nmap[_iter->node(1)] << ";" <<
_nmap[_iter->node(2)] << ";" <<
_nmap[_iter->node(3)] << ";" <<
+0 << "\n" ;
}
}
}
}
else
{
_errv = __file_not_located ;
}
_file.close();
}
catch (...)
{
_errv = __unknown_error ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* SAVE-MSHT: save MSH_T output data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type save_msht (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
rdel_data &_rdel ,
jigsaw_msh_t &_mmsh
)
{
iptr_type _errv = __no_error ;
__unreferenced(_jlog) ;
try
{
containers::array<iptr_type> _nmap;
if (_rdel._ndim == +2 && // save 2-dim. mesh
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
_mmsh._flags = JIGSAW_EUCLIDEAN_MESH ;
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_2d._tria._nset.count() ,
containers::tight_alloc, -1) ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
}
}
for (auto _iter = _rdel.
_euclidean_rdel_2d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
_nmap[_item->_data._node[2]]=1 ;
}
}
iptr_type _last = +0;
for (auto _iter = _nmap.head() ;
_iter != _nmap.tend() ;
++_iter )
{
if ( *_iter >= +0)
{
*_iter = _last ++ ;
}
}
if (_rdel._euclidean_rdel_2d.
_tria._nset.count() > 0)
{
/*-------------------------- write POINT data */
jigsaw_alloc_vert2 (
&_mmsh._vert2, _last) ;
jigsaw_alloc_reals (
&_mmsh._power, _last) ;
iptr_type _npos = +0 ;
iptr_type _nout = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tria._nset.head();
_iter != _rdel.
_euclidean_rdel_2d._tria._nset.tend();
++_iter, ++_npos)
{
if (_iter->mark() >= 0 &&
_nmap[_npos ] >= 0 )
{
_mmsh._vert2._data[_nout].
_ppos[0] = _iter->pval(0) ;
_mmsh._vert2._data[_nout].
_ppos[1] = _iter->pval(1) ;
_mmsh._vert2.
_data[_nout]._itag = 0 ;
_mmsh._power.
_data[_nout] = (real_type)+0. ;
_nout = _nout + 1 ;
}
}
}
if (_rdel._euclidean_rdel_2d.
_eset.count() > +0)
{
/*-------------------------- write EDGE2 data */
jigsaw_alloc_edge2 (
&_mmsh._edge2,_rdel.
_euclidean_rdel_2d._eset.count()) ;
iptr_type _eout = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_mmsh._edge2._data[_eout].
_node[0] =
_nmap[_item->_data._node[0]] ;
_mmsh._edge2._data[_eout].
_node[1] =
_nmap[_item->_data._node[1]] ;
_mmsh._edge2._data[_eout].
_itag = _item->_data._part ;
_eout = _eout + 1 ;
}
}
}
if (_rdel._euclidean_rdel_2d.
_tset.count() > +0)
{
/*-------------------------- write TRIA3 data */
jigsaw_alloc_tria3 (
&_mmsh._tria3,_rdel.
_euclidean_rdel_2d._tset.count()) ;
iptr_type _tout = +0 ;
for (auto _iter = _rdel.
_euclidean_rdel_2d._tset._lptr.head();
_iter != _rdel.
_euclidean_rdel_2d._tset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_mmsh._tria3._data[_tout].
_node[0] =
_nmap[_item->_data._node[0]] ;
_mmsh._tria3._data[_tout].
_node[1] =
_nmap[_item->_data._node[1]] ;
_mmsh._tria3._data[_tout].
_node[2] =
_nmap[_item->_data._node[2]] ;
_mmsh._tria3._data[_tout].
_itag = _item->_data._part ;
_tout = _tout + 1 ;
}
}
}
}
else
if (_rdel._ndim == +3 && // save 3-dim. mesh
_rdel._kind ==
jmsh_kind::euclidean_mesh)
{
_mmsh._flags = JIGSAW_EUCLIDEAN_MESH ;
/*------------ index mapping for active nodes */
_nmap.set_count(_rdel.
_euclidean_rdel_3d._tria._nset.count() ,
containers::tight_alloc, -1) ;
for (auto _iter = _rdel.
_euclidean_rdel_3d._eset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._eset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;
}
}
for (auto _iter = _rdel.
_euclidean_rdel_3d._fset._lptr.head();
_iter != _rdel.
_euclidean_rdel_3d._fset._lptr.tend();
++_iter )
{
if ( *_iter == nullptr) continue ;
for (auto _item = *_iter ;
_item != nullptr;
_item = _item->_next )
{
_nmap[_item->_data._node[0]]=1 ;
_nmap[_item->_data._node[1]]=1 ;