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geo_load.hpp
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geo_load.hpp
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/*
--------------------------------------------------------
* GEO-LOAD: parse *.MSH file into GEOM data.
--------------------------------------------------------
*
* 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: 19 January, 2019
*
* Copyright 2013-2019
* Darren Engwirda
* https://github.com/dengwirda/
*
--------------------------------------------------------
*/
# pragma once
# include "msh_read.hpp"
# ifndef __GEO_LOAD__
# define __GEO_LOAD__
/*
--------------------------------------------------------
* GEOM-FROM-JMSH: read *.JMSH file into GEOM data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type geom_from_jmsh (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom
)
{
class geom_reader:
public jmsh_reader_base
{
public :
geom_data *_geom ;
std::int32_t _ftag ;
jmsh_kind::
enum_data _kind ;
std:: size_t _ndim ;
public :
/*---------------------------------- construct reader */
__normal_call geom_reader (
geom_data*_gsrc = nullptr
) : _geom(_gsrc) {}
/*---------------------------------- parse MSHID data */
__normal_call void_type push_mshid (
std::int32_t _ftag ,
jmsh_kind::enum_data _kind
)
{
this->_ftag = _ftag ;
this->_kind = _kind ;
this->
_geom->_kind = _kind ;
}
/*---------------------------------- parse RADII data */
__normal_call void_type push_radii (
double *_erad
)
{
this->_geom->_ellipsoid_mesh_3d.
_radA = _erad[ 0] ;
this->_geom->_ellipsoid_mesh_3d.
_radB = _erad[ 1] ;
this->_geom->_ellipsoid_mesh_3d.
_radC = _erad[ 2] ;
}
/*---------------------------------- parse NDIMS data */
__normal_call void_type push_ndims (
std:: size_t _ndim
)
{
this->_ndim = _ndim ;
this->
_geom->_ndim = _ndim ;
}
/*---------------------------------- parse POINT data */
__normal_call void_type push_point (
std:: size_t _ipos ,
double *_pval ,
std::int32_t _itag
)
{
__unreferenced(_ipos) ;
if (this->_ndim == +2 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_2d
::node_type _ndat ;
_ndat.pval(0) = _pval[0];
_ndat.pval(1) = _pval[1];
_ndat.itag () = _itag ;
this->_geom->
_euclidean_mesh_2d.
_tria.push_node(_ndat, false) ;
}
else
if (this->_ndim == +3 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_3d
::node_type _ndat ;
_ndat.pval(0) = _pval[0];
_ndat.pval(1) = _pval[1];
_ndat.pval(2) = _pval[2];
_ndat.itag () = _itag ;
this->_geom->
_euclidean_mesh_3d.
_tria.push_node(_ndat, false) ;
}
else
if (this->_kind ==
jmsh_kind::ellipsoid_mesh)
{
//!! do things here...
}
}
/*---------------------------------- parse EDGE2 data */
__normal_call void_type push_edge2 (
std:: size_t _ipos ,
std::int32_t *_node ,
std::int32_t _itag
)
{
__unreferenced(_ipos) ;
if (this->_ndim == +2 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_2d
::edge_type _edat ;
_edat.node(0) = _node[0];
_edat.node(1) = _node[1];
_edat.itag () = _itag ;
this->_geom->
_euclidean_mesh_2d.
_tria.push_edge(_edat, false) ;
}
else
if (this->_ndim == +3 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_3d
::edge_type _edat ;
_edat.node(0) = _node[0];
_edat.node(1) = _node[1];
_edat.itag () = _itag ;
this->_geom->
_euclidean_mesh_3d.
_tria.push_edge(_edat, false) ;
}
else
if (this->_kind ==
jmsh_kind::ellipsoid_mesh)
{
//!! do things here...
}
}
/*---------------------------------- parse TRIA3 data */
__normal_call void_type push_tria3 (
std:: size_t _ipos ,
std::int32_t *_node ,
std::int32_t _itag
)
{
__unreferenced(_ipos) ;
if (this->_ndim == +2 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
// do nothing...
}
else
if (this->_ndim == +3 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_3d
::tri3_type _tdat ;
_tdat.node(0) = _node[0];
_tdat.node(1) = _node[1];
_tdat.node(2) = _node[2];
_tdat.itag () = _itag ;
this->_geom->
_euclidean_mesh_3d.
_tria.push_tri3(_tdat, false) ;
}
else
if (this->_kind ==
jmsh_kind::ellipsoid_mesh)
{
// do nothing...
}
}
/*---------------------------------- parse BOUND data */
__normal_call void_type push_bound (
std:: size_t _ipos ,
std::int32_t _itag ,
std::int32_t _inum ,
std::int32_t _kind
)
{
__unreferenced(_ipos) ;
if (this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_2d
::part_data _pdat ;
_pdat.itag () = _itag ;
_pdat.indx () = _inum ;
_pdat.kind () = _kind ;
this->_geom->
_euclidean_mesh_2d.
_part.push(_pdat) ;
}
else
if (this->_ndim == +3 &&
this->_kind ==
jmsh_kind::euclidean_mesh)
{
typename
geom_data::euclidean_mesh_3d
::part_data _pdat ;
_pdat.itag () = _itag ;
_pdat.indx () = _inum ;
_pdat.kind () = _kind ;
this->_geom->
_euclidean_mesh_3d.
_part.push(_pdat) ;
}
else
if (this->_kind ==
jmsh_kind::ellipsoid_mesh)
{
//!! do things here...
}
}
} ;
/*---------------------------------- parse GEOM. file */
iptr_type _errv = __no_error ;
try
{
jmsh_reader _jmsh ;
std::ifstream _file ;
_file. open(
_jcfg._geom_file, std::ifstream::in) ;
if (_file.is_open() )
{
_jmsh.read_file (
_file, geom_reader(&_geom));
}
else
{
_errv = __file_not_located ;
}
_file.close ();
for (auto _iter =
_jmsh._errs.head();
_iter !=
_jmsh._errs.tend();
++_iter )
{
_jlog.push(
"**parse error: " + * _iter + "\n" ) ;
}
}
catch (...)
{
_errv = __unknown_error ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* GEOM-FROM-MSHT: read MSH_t data into GEOM data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type geom_from_msht (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom ,
jigsaw_msh_t const&_gmsh
)
{
iptr_type _errv = __no_error ;
try
{
if (_gmsh._flags ==
JIGSAW_EUCLIDEAN_MESH )
{
if (_gmsh._vert2._size > 0)
{
/*--------------------------------- euclidean-mesh-2d */
_geom._kind
= jmsh_kind::euclidean_mesh ;
_geom._ndim = +2;
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._vert2._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_2d
::node_type _ndat ;
_ndat.pval(0) = _gmsh.
_vert2._data[_ipos]._ppos[0];
_ndat.pval(1) = _gmsh.
_vert2._data[_ipos]._ppos[1];
_ndat.itag () = _gmsh.
_vert2._data[_ipos]._itag ;
_geom._euclidean_mesh_2d.
_tria.push_node(_ndat , false) ;
}
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._edge2._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_2d
::edge_type _edat ;
_edat.node(0) = _gmsh.
_edge2._data[_ipos]._node[0];
_edat.node(1) = _gmsh.
_edge2._data[_ipos]._node[1];
_edat.itag () = _gmsh.
_edge2._data[_ipos]._itag ;
_geom._euclidean_mesh_2d.
_tria.push_edge(_edat , false) ;
}
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._bound._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_2d
::part_data _pdat ;
_pdat.itag () = _gmsh.
_bound._data[_ipos]._itag ;
_pdat.indx () = _gmsh.
_bound._data[_ipos]._indx ;
_pdat.kind () = _gmsh.
_bound._data[_ipos]._kind ;
_geom._euclidean_mesh_2d.
_part.push(_pdat) ;
}
}
else
if (_gmsh._vert3._size > 0)
{
/*--------------------------------- euclidean-mesh-3d */
_geom._kind
= jmsh_kind::euclidean_mesh ;
_geom._ndim = +3;
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._vert3._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_3d
::node_type _ndat ;
_ndat.pval(0) = _gmsh.
_vert3._data[_ipos]._ppos[0];
_ndat.pval(1) = _gmsh.
_vert3._data[_ipos]._ppos[1];
_ndat.pval(2) = _gmsh.
_vert3._data[_ipos]._ppos[2];
_ndat.itag () = _gmsh.
_vert3._data[_ipos]._itag ;
_geom._euclidean_mesh_3d.
_tria.push_node(_ndat , false) ;
}
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._edge2._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_3d
::edge_type _edat ;
_edat.node(0) = _gmsh.
_edge2._data[_ipos]._node[0];
_edat.node(1) = _gmsh.
_edge2._data[_ipos]._node[1];
_edat.itag () = _gmsh.
_edge2._data[_ipos]._itag ;
_geom._euclidean_mesh_3d.
_tria.push_edge(_edat , false) ;
}
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._tria3._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_3d
::tri3_type _tdat ;
_tdat.node(0) = _gmsh.
_tria3._data[_ipos]._node[0];
_tdat.node(1) = _gmsh.
_tria3._data[_ipos]._node[1];
_tdat.node(2) = _gmsh.
_tria3._data[_ipos]._node[2];
_tdat.itag () = _gmsh.
_tria3._data[_ipos]._itag ;
_geom._euclidean_mesh_3d.
_tria.push_tri3(_tdat , false) ;
}
for (auto _ipos = (size_t) +0 ;
_ipos != _gmsh._bound._size ;
++_ipos )
{
typename
geom_data::euclidean_mesh_3d
::part_data _pdat ;
_pdat.itag () = _gmsh.
_bound._data[_ipos]._itag ;
_pdat.indx () = _gmsh.
_bound._data[_ipos]._indx ;
_pdat.kind () = _gmsh.
_bound._data[_ipos]._kind ;
_geom._euclidean_mesh_3d.
_part.push(_pdat) ;
}
}
}
else
if (_gmsh._flags ==
JIGSAW_ELLIPSOID_MESH )
{
/*--------------------------------- ellipsoid-mesh-3d */
_geom._kind
= jmsh_kind::ellipsoid_mesh ;
_geom._ndim = +3;
if (_gmsh._radii._size==+3)
{
_geom._ellipsoid_mesh_3d.
_radA = _gmsh._radii._data[0] ;
_geom._ellipsoid_mesh_3d.
_radB = _gmsh._radii._data[1] ;
_geom._ellipsoid_mesh_3d.
_radC = _gmsh._radii._data[2] ;
}
else
if (_gmsh._radii._size==+1)
{
_geom._ellipsoid_mesh_3d.
_radA = _gmsh._radii._data[0] ;
_geom._ellipsoid_mesh_3d.
_radB = _gmsh._radii._data[0] ;
_geom._ellipsoid_mesh_3d.
_radC = _gmsh._radii._data[0] ;
}
}
}
catch (...)
{
_errv = __unknown_error ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* READ-GEOM: read geometry input file.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type read_geom (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom
)
{
iptr_type _errv = __no_error ;
std::string _path ;
std::string _name ;
std::string _fext ;
file_part (
_jcfg._geom_file,
_path, _name, _fext ) ;
if (_fext.find("msh") == +0 )
{
return geom_from_jmsh (
_jcfg, _jlog, _geom ) ;
}
else
{
_errv =__file_not_located ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* COPY-GEOM: read geometry input data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type copy_geom (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom ,
jigsaw_msh_t const&_gmsh
)
{
return geom_from_msht (
_jcfg, _jlog, _geom, _gmsh);
}
/*
--------------------------------------------------------
* TEST-GEOM: test GEOM data validity.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type test_geom (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom
)
{
iptr_type _errv = __no_error ;
__unreferenced(_jcfg) ;
if (_geom._ndim == +2 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-2d */
iptr_type _imin =
std::numeric_limits<iptr_type>::max() ;
iptr_type _imax =
std::numeric_limits<iptr_type>::min() ;
iptr_type _nnPT = +0 ;
iptr_type _nnE2 = +0 ;
for (auto _iter = _geom.
_euclidean_mesh_2d._tria._set1.head() ;
_iter != _geom.
_euclidean_mesh_2d._tria._set1.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue;
_nnPT += +1 ;
}
for (auto _iter = _geom.
_euclidean_mesh_2d._tria._set2.head() ;
_iter != _geom.
_euclidean_mesh_2d._tria._set2.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue;
_imin = std::min(
_imin, _iter->node(0)) ;
_imin = std::min(
_imin, _iter->node(1)) ;
_imax = std::max(
_imax, _iter->node(0)) ;
_imax = std::max(
_imax, _iter->node(1)) ;
_nnE2 += +1 ;
if (_imin < +0 ||
_imax >= _nnPT)
{
_errv = __invalid_argument ;
}
}
if (_errv != __no_error)
{
_jlog. push (
"**input error: GEOM. EDGE2 indexing is incorrect.\n") ;
return _errv ;
}
for (auto _iter = _geom.
_euclidean_mesh_2d._part._lptr.head() ;
_iter != _geom.
_euclidean_mesh_2d._part._lptr.tend() ;
++_iter )
{
if (*_iter == nullptr) continue;
for (auto _pptr = *_iter ;
_pptr != nullptr;
_pptr = _pptr->_next )
{
if (_pptr->_data.kind()
== JIGSAW_EDGE2_TAG )
{
if (_pptr->_data.indx() < +0 ||
_pptr->_data.indx() >= _nnE2
)
{
_errv = __invalid_argument ;
}
}
else
{
_errv = __invalid_argument ;
}
}
}
if (_errv != __no_error)
{
_jlog. push (
"**input error: GEOM. BOUND indexing is incorrect.\n") ;
return _errv ;
}
}
else
if (_geom._ndim == +3 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-3d */
iptr_type _imin =
std::numeric_limits<iptr_type>::max() ;
iptr_type _imax =
std::numeric_limits<iptr_type>::min() ;
iptr_type _nnPT = +0 ;
iptr_type _nnE2 = +0 ;
iptr_type _nnT3 = +0 ;
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set1.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set1.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
_nnPT += +1 ;
}
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set2.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set2.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
_imin = std::min(
_imin, _iter->node(0)) ;
_imin = std::min(
_imin, _iter->node(1)) ;
_imax = std::max(
_imax, _iter->node(0)) ;
_imax = std::max(
_imax, _iter->node(1)) ;
_nnE2 += +1 ;
if (_imin < +0 ||
_imax >= _nnPT)
{
_errv = __invalid_argument ;
}
}
if (_errv != __no_error)
{
_jlog. push (
"**input error: GEOM. EDGE2 indexing is incorrect.\n") ;
return _errv ;
}
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set3.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set3.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
_imin = std::min(
_imin, _iter->node(0)) ;
_imin = std::min(
_imin, _iter->node(1)) ;
_imin = std::min(
_imin, _iter->node(2)) ;
_imax = std::max(
_imax, _iter->node(0)) ;
_imax = std::max(
_imax, _iter->node(1)) ;
_imax = std::max(
_imax, _iter->node(2)) ;
_nnT3 += +1 ;
if (_imin < +0 ||
_imax >= _nnPT)
{
_errv = __invalid_argument ;
}
}
if (_errv != __no_error)
{
_jlog. push (
"**input error: GEOM. TRIA3 indexing is incorrect.\n") ;
return _errv ;
}
for (auto _iter = _geom.
_euclidean_mesh_3d._part._lptr.head() ;
_iter != _geom.
_euclidean_mesh_3d._part._lptr.tend() ;
++_iter )
{
if (*_iter == nullptr) continue;
for (auto _pptr = *_iter ;
_pptr != nullptr;
_pptr = _pptr->_next )
{
if (_pptr->_data.kind()
== JIGSAW_TRIA3_TAG )
{
if (_pptr->_data.indx() < +0 ||
_pptr->_data.indx() >= _nnT3
)
{
_errv = __invalid_argument ;
}
}
else
{
_errv = __invalid_argument ;
}
}
}
if (_errv != __no_error)
{
_jlog. push (
"**input error: GEOM. BOUND indexing is incorrect.\n") ;
return _errv ;
}
}
else
if (_geom._kind ==
jmsh_kind::ellipsoid_mesh)
{
/*--------------------------------- ellipsoid-mesh-3d */
if (_geom._ellipsoid_mesh_3d.
_radA <= (real_type) +0. ||
_geom._ellipsoid_mesh_3d.
_radB <= (real_type) +0. ||
_geom._ellipsoid_mesh_3d.
_radC <= (real_type) +0. )
{
_jlog.push (
"**input error: GEOM. RADII entries are incorrect.\n") ;
_errv = __invalid_argument ;
}
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* ECHO-GEOM: print summary of GEOM data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type echo_geom (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
geom_data &_geom
)
{
std::stringstream _sstr;
/*---------------------------------- push "int_" data */
#define __dumpINTS(__tag,__var) \
_sstr.str(""); \
_sstr.clear(); \
_sstr << " " __tag " = " \
<< __var << "\n" ; \
_jlog.push(_sstr.str());
/*---------------------------------- push "real" data */
#define __dumpREAL(__tag,__var) \
_sstr.str(""); \
_sstr.clear(); \
_sstr << " " __tag " = " \
<< std::scientific \
<< std::setprecision(2) \
<< __var \
<< " \n" ; \
_jlog.push(_sstr.str()) ; \
iptr_type _errv = __no_error ;
__unreferenced(_jcfg) ;
if (_geom._ndim == +2 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-2d */
_jlog.push(
" EUCLIDEAN-MESH\n\n") ;
__dumpINTS("|NDIMS.|", +2) ;
_jlog.push("\n") ;
iptr_type _nnPT = +0 ;
iptr_type _nnE2 = +0 ;
for (auto _iter = _geom.
_euclidean_mesh_2d._tria._set1.head() ;
_iter != _geom.
_euclidean_mesh_2d._tria._set1.tend() ;
++_iter )
{
if (_iter->mark()>=+0) _nnPT += +1 ;
}
__dumpINTS("|COORD.|", _nnPT)
for (auto _iter = _geom.
_euclidean_mesh_2d._tria._set2.head() ;
_iter != _geom.
_euclidean_mesh_2d._tria._set2.tend() ;
++_iter )
{
if (_iter->mark()>=+0) _nnE2 += +1 ;
}
__dumpINTS("|EDGE-2|", _nnE2)
}
else
if (_geom._ndim == +3 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-3d */
_jlog.push(
" EUCLIDEAN-MESH\n\n") ;
__dumpINTS("|NDIMS.|", +3) ;
_jlog.push("\n") ;
iptr_type _nnPT = +0 ;
iptr_type _nnE2 = +0 ;
iptr_type _nnT3 = +0 ;
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set1.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set1.tend() ;
++_iter )
{
if (_iter->mark()>=+0) _nnPT += +1 ;
}
__dumpINTS("|COORD.|", _nnPT)
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set2.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set2.tend() ;
++_iter )
{
if (_iter->mark()>=+0) _nnE2 += +1 ;
}
__dumpINTS("|EDGE-2|", _nnE2)
for (auto _iter = _geom.
_euclidean_mesh_3d._tria._set3.head() ;
_iter != _geom.
_euclidean_mesh_3d._tria._set3.tend() ;
++_iter )
{
if (_iter->mark()>=+0) _nnT3 += +1 ;
}