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jigsaw.hpp
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jigsaw.hpp
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/*
--------------------------------------------------------
*
* ,o, ,o, /
* ` ` e88~88e d88~\ /~~~8e Y88b e /
* 888 888 88 88 C888 88b Y88b d8b /
* 888 888 "8b_d8" Y88b e88~-888 Y888/Y88b/
* 888 888 / 888D C88 888 Y8/ Y8/
* 88P 888 Cb \_88P "8b_-888 Y Y
* \_8" Y8""8D
*
--------------------------------------------------------
* JIGSAW: an unstructured mesh generation library.
--------------------------------------------------------
*
* Last updated: 10 Jun., 2022
*
* Copyright 2013 -- 2022
* Darren Engwirda
* https://github.com/dengwirda
*
--------------------------------------------------------
*
* 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 THE CONTRIBUTORS warrant
* this code in any way whatsoever. This code is
* provided "as-is" to be used at your own risk.
*
* THE CONTRIBUTORS include:
* (a) The University of Sydney
* (b) The Massachusetts Institute of Technology
* (c) Columbia University
* (d) The National Aeronautics & Space Administration
* (e) Los Alamos National Laboratory
*
--------------------------------------------------------
*/
namespace JIGSAW {
std::string asciibanner =
" \n"
"#------------------------------------------------------------\n"
"#\n"
"# ,o, ,o, / \n"
"# ` ` e88~88e d88~\\ /~~~8e Y88b e / \n"
"# 888 888 88 88 C888 88b Y88b d8b / \n"
"# 888 888 \"8b_d8\" Y88b e88~-888 Y888/Y88b/ \n"
"# 888 888 / 888D C88 888 Y8/ Y8/ \n"
"# 88P 888 Cb \\_88P \"8b_-888 Y Y \n"
"# \\_8\" Y8\"\"8D \n"
"#\n"
"#------------------------------------------------------------\n"
"# JIGSAW: an unstructured mesh generation library. \n"
"#------------------------------------------------------------\n"
" \n"
" " __JGSWVSTR "\n\n" ;
/*
--------------------------------------------------------
* Call the 2-dimensional mesh generator.
--------------------------------------------------------
*/
template <
typename geom_type ,
typename init_type ,
typename hfun_type ,
typename mesh_type ,
typename jlog_data
>
__normal_call void_type mesh_euclidean_2d (
geom_type &_geom,
init_type &_init,
hfun_type &_hfun,
mesh_type &_mesh,
jcfg_data &_args,
jlog_data &_jlog
)
{
if (_args._mesh_pred ==
jcfg_data::mesh_pred::delaunay)
{
/*-------------------------- call DELAUNAY kernel */
typedef
mesh::rdel_delaunay_2d <
geom_type ,
hfun_type ,
mesh_type > rdel_pred ;
typedef mesh::rdel_mesh_2d <
mesh_type ,
rdel_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::rdel_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
}
else
if (_args._mesh_pred ==
jcfg_data::mesh_pred::delfront)
{
/*-------------------------- call DELFRONT kernel */
typedef
mesh::rdel_delfront_2d <
geom_type ,
hfun_type ,
mesh_type > rdel_pred ;
typedef mesh::rdel_mesh_2d <
mesh_type ,
rdel_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::rdel_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
}
else
if (_args._mesh_pred ==
jcfg_data::mesh_pred::bisector)
{
/*-------------------------- call BISECTOR kernel */
/*
typedef
mesh::tree_bisector_2d <
geom_type ,
hfun_type ,
mesh_type > tree_pred ;
typedef mesh::tree_mesh_2d <
mesh_type ,
tree_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::tree_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
*/
}
}
/*
--------------------------------------------------------
* Call the 3-dimensional mesh generator.
--------------------------------------------------------
*/
template <
typename geom_type ,
typename init_type ,
typename hfun_type ,
typename mesh_type ,
typename jlog_data
>
__normal_call void_type mesh_euclidean_3d (
geom_type &_geom,
init_type &_init,
hfun_type &_hfun,
mesh_type &_mesh,
jcfg_data &_args,
jlog_data &_jlog
)
{
if (_args._mesh_pred ==
jcfg_data::mesh_pred::delaunay)
{
/*-------------------------- call DELAUNAY kernel */
typedef
mesh::rdel_delaunay_3d <
geom_type ,
hfun_type ,
mesh_type > rdel_pred ;
typedef mesh::rdel_mesh_3d <
mesh_type ,
rdel_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::rdel_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
}
else
if (_args._mesh_pred ==
jcfg_data::mesh_pred::delfront)
{
/*-------------------------- call DELFRONT kernel */
typedef
mesh::rdel_delfront_3d <
geom_type ,
hfun_type ,
mesh_type > rdel_pred ;
typedef mesh::rdel_mesh_3d <
mesh_type ,
rdel_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::rdel_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
}
else
if (_args._mesh_pred ==
jcfg_data::mesh_pred::bisector)
{
/*-------------------------- call BISECTOR kernel */
/*
typedef
mesh::tree_bisector_3d <
geom_type ,
hfun_type ,
mesh_type > tree_pred ;
typedef mesh::tree_mesh_3d <
mesh_type ,
tree_pred ,
geom_type ,
hfun_type ,
init_type > mesh_func ;
typedef
jcfg_data::mesh_opts mesh_opts ;
mesh_opts *_opts =
&_args._mesh_opts ;
mesh_func::tree_mesh (
_geom, _init ,
_hfun, _mesh ,
*_opts, _jlog ) ;
*/
}
}
/*
--------------------------------------------------------
* Call the k-dimensional mesh generator.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type mesh_core (
jcfg_data &_args,
jlog_data &_jlog,
geom_data &_geom,
mesh_data &_init,
hfun_data &_hfun,
mesh_data &_mesh
)
{
iptr_type _errv = __no_error ;
try
{
if (_geom._ndim == +2 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------- have euclidean-mesh GEOM kernel */
if (_hfun._ndim == +0 )
{
/*--------------- with constant-value HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
mesh_euclidean_2d (
_geom._euclidean_mesh_2d,
_init._euclidean_mesh_2d,
_hfun._constant_value_kd,
_mesh._euclidean_rdel_2d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +2 &&
_hfun._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------- with euclidean-mesh HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
mesh_euclidean_2d (
_geom._euclidean_mesh_2d,
_init._euclidean_mesh_2d,
_hfun._euclidean_mesh_2d,
_mesh._euclidean_rdel_2d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +2 &&
_hfun._kind ==
jmsh_kind::euclidean_grid)
{
/*--------------- with euclidean-grid HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
mesh_euclidean_2d (
_geom._euclidean_mesh_2d,
_init._euclidean_mesh_2d,
_hfun._euclidean_grid_2d,
_mesh._euclidean_rdel_2d,
_args, _jlog) ;
}
}
else
if (_geom._ndim == +3 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------- have euclidean-mesh GEOM kernel */
if (_hfun._ndim == +0 )
{
/*--------------- with constant-value HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._euclidean_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._constant_value_kd,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +3 &&
_hfun._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------- with euclidean-mesh HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._euclidean_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._euclidean_mesh_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +3 &&
_hfun._kind ==
jmsh_kind::euclidean_grid)
{
/*--------------- with euclidean-grid HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._euclidean_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._euclidean_grid_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
}
else
if (_geom._kind ==
jmsh_kind::ellipsoid_mesh)
{
/*--------------- have ellipsoid-mesh GEOM kernel */
if (_hfun._ndim == +0 )
{
/*--------------- with constant-value HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._ellipsoid_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._constant_value_kd,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._kind ==
jmsh_kind::ellipsoid_grid)
{
/*--------------- with ellipsoid-grid HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._ellipsoid_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._ellipsoid_grid_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._kind ==
jmsh_kind::ellipsoid_mesh)
{
/*--------------- with ellipsoid-mesh HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._ellipsoid_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._ellipsoid_mesh_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +3 &&
_hfun._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------- with euclidean-mesh HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._ellipsoid_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._euclidean_mesh_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +3 &&
_hfun._kind ==
jmsh_kind::euclidean_grid)
{
/*--------------- with euclidean-grid HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
mesh_euclidean_3d (
_geom._ellipsoid_mesh_3d,
_init._euclidean_mesh_3d,
_hfun._euclidean_grid_3d,
_mesh._euclidean_rdel_3d,
_args, _jlog) ;
}
}
}
catch (...)
{
_errv = __unknown_error ;
}
return ( _errv ) ;
}
/*
--------------------------------------------------------
* Call the 2-dimensional mesh optimiser.
--------------------------------------------------------
*/
template <
typename geom_type ,
typename hfun_type ,
typename mesh_type ,
typename jlog_data
>
__normal_call void_type iter_euclidean_2d (
geom_type &_geom ,
hfun_type &_hfun ,
mesh_type &_mesh ,
jcfg_data &_args ,
jlog_data &_jlog
)
{
if (_args._iter_pred ==
jcfg_data::iter_pred::odt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::area_len)
{
/*-------------------------- call ODT-ITER kernel */
typedef mesh::
iter_pred_euclidean_2d <
geom_type ,
jcfg_data::
iter_cost::area_len ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_odt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::odt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::skew_cos)
{
/*-------------------------- call ODT-ITER kernel */
typedef mesh::
iter_pred_euclidean_2d <
geom_type ,
jcfg_data::
iter_cost::skew_cos ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_odt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::cvt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::area_len)
{
/*-------------------------- call CVT-ITER kernel */
typedef mesh::
iter_pred_euclidean_2d <
geom_type ,
jcfg_data::
iter_cost::area_len ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_cvt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::cvt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::skew_cos)
{
/*-------------------------- call CVT-ITER kernel */
typedef mesh::
iter_pred_euclidean_2d <
geom_type ,
jcfg_data::
iter_cost::skew_cos ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_cvt_optimise,
*_opts, _jlog ) ;
}
}
template <
typename geom_type ,
typename hfun_type ,
typename mesh_type ,
typename jlog_data
>
__normal_call void_type iter_ellipsoid_3d (
geom_type &_geom ,
hfun_type &_hfun ,
mesh_type &_mesh ,
jcfg_data &_args ,
jlog_data &_jlog
)
{
if (_args._iter_pred ==
jcfg_data::iter_pred::odt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::area_len)
{
/*-------------------------- call ODT-ITER kernel */
typedef mesh::
iter_pred_ellipsoid_3d <
geom_type ,
jcfg_data::
iter_cost::area_len ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_odt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::odt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::skew_cos)
{
/*-------------------------- call ODT-ITER kernel */
typedef mesh::
iter_pred_ellipsoid_3d <
geom_type ,
jcfg_data::
iter_cost::skew_cos ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_odt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::cvt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::area_len)
{
/*-------------------------- call CVT-ITER kernel */
typedef mesh::
iter_pred_ellipsoid_3d <
geom_type ,
jcfg_data::
iter_cost::area_len ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_cvt_optimise,
*_opts, _jlog ) ;
}
else
if (_args._iter_pred ==
jcfg_data::iter_pred::cvt_dqdx &&
_args._iter_cost ==
jcfg_data::iter_cost::skew_cos)
{
/*-------------------------- call CVT-ITER kernel */
typedef mesh::
iter_pred_ellipsoid_3d <
geom_type ,
jcfg_data::
iter_cost::skew_cos ,
typename
mesh_type::
mesh_type > pred_type ;
typedef mesh::iter_mesh_2 <
geom_type ,
typename
mesh_type::
mesh_type ,
hfun_type ,
pred_type > iter_func ;
typedef
jcfg_data::iter_opts iter_opts ;
iter_opts *_opts =
&_args._iter_opts ;
iter_func::iter_mesh (
_geom, _hfun ,
_mesh. _mesh ,
iter_func::_cvt_optimise,
*_opts, _jlog ) ;
}
}
/*
--------------------------------------------------------
* Call the 3-dimensional mesh optimiser.
--------------------------------------------------------
*/
template <
typename geom_type ,
typename hfun_type ,
typename mesh_type ,
typename jlog_data
>
__normal_call void_type iter_euclidean_3d (
geom_type &/*_geom*/,
hfun_type &/*_hfun*/,
mesh_type &/*_mesh*/,
jcfg_data &/*_args*/,
jlog_data &/*_jlog*/
)
{ //!! yes, indeed...
}
/*
--------------------------------------------------------
* Call the k-dimensional mesh optimiser.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type iter_core (
jcfg_data &_args,
jlog_data &_jlog,
geom_data &_geom,
hfun_data &_hfun,
mesh_data &_mesh
)
{
iptr_type _errv = __no_error ;
try
{
if (_geom._ndim == +2 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*----------- have euclidean-mesh GEOM kernel */
if (_hfun._ndim == +0 )
{
/*----------- with constant-value HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
iter_euclidean_2d (
_geom._euclidean_mesh_2d,
_hfun._constant_value_kd,
_mesh._euclidean_mesh_2d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +2 &&
_hfun._kind ==
jmsh_kind::euclidean_mesh)
{
/*----------- with euclidean-mesh HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
iter_euclidean_2d (
_geom._euclidean_mesh_2d,
_hfun._euclidean_mesh_2d,
_mesh._euclidean_mesh_2d,
_args, _jlog) ;
}
else
if (_hfun._ndim == +2 &&
_hfun._kind ==
jmsh_kind::euclidean_grid)
{
/*----------- with euclidean-grid HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +2 ;
iter_euclidean_2d (
_geom._euclidean_mesh_2d,
_hfun._euclidean_grid_2d,
_mesh._euclidean_mesh_2d,
_args, _jlog) ;
}
}
else
if (_geom._ndim == +3 &&
_geom._kind ==
jmsh_kind::euclidean_mesh)
{
/*----------- have euclidean-mesh GEOM kernel */
if (_hfun._ndim == +0 )
{
/*----------- with constant-value HFUN kernel */
_mesh._kind =
jmsh_kind::euclidean_mesh;
_mesh._ndim = +3 ;
/*
iter_euclidean_3d (
_geom._euclidean_mesh_3d,
_hfun._constant_value_kd,
_mesh._euclidean_mesh_3d,
_args, _jlog) ;
*/
}
else
if (_hfun._ndim == +3 &&
_hfun._kind ==
jmsh_kind::euclidean_mesh)
{