songsenand
/
cgal
mirror of https://github.com/CGAL/cgal
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge ef6d242296 into 26a5fc70e4

This commit is contained in:
Jane Tournois 2025-12-03 14:01:24 +01:00 committed by GitHub
parent 26a5fc70e4 ef6d242296
commit bd8d913425
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
5 changed files with 125 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
SMDS_3/doc/SMDS_3/examples.txt
View File

@ -1,4 +1,5 @@
/*!
\example SMDS_3/c3t3_example.cpp
\example SMDS_3/c3t3_complete_example.cpp
\example SMDS_3/tetrahedron_soup_to_c3t3_example.cpp
*/

1
SMDS_3/examples/SMDS_3/CMakeLists.txt
View File

@ -9,4 +9,5 @@ project(SMDS_3_Examples)
find_package(CGAL REQUIRED)
create_single_source_cgal_program("c3t3_example.cpp")
create_single_source_cgal_program("c3t3_complete_example.cpp")
create_single_source_cgal_program("tetrahedron_soup_to_c3t3_example.cpp")

67
SMDS_3/examples/SMDS_3/c3t3_complete_example.cpp Normal file
View File

@ -0,0 +1,67 @@
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Triangulation_3.h>
#include <CGAL/Triangulation_data_structure_3.h>
#include <CGAL/Simplicial_mesh_cell_base_3.h>
#include <CGAL/Simplicial_mesh_vertex_base_3.h>
#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
#include <CGAL/tetrahedral_remeshing.h>
#include <CGAL/tags.h>
#include <CGAL/IO/File_medit.h>
#include <fstream>
using K = CGAL::Exact_predicates_inexact_constructions_kernel;
using Subdomain_index = int;
using Surface_patch_index = unsigned char;
using Curve_index = char;
using Corner_index = short;
using Cb = CGAL::Simplicial_mesh_cell_base_3<K, Subdomain_index, Surface_patch_index>;
using Vb = CGAL::Simplicial_mesh_vertex_base_3<K, Subdomain_index, Surface_patch_index,
Curve_index, Corner_index>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb, CGAL::Sequential_tag>;
using Triangulation = CGAL::Triangulation_3<K, Tds>;
using C3t3 = CGAL::Mesh_complex_3_in_triangulation_3<Triangulation>;
int main(int argc, char* argv[])
{
std::cout.precision(17);
std::cerr.precision(17);
std::string filename = (argc > 1) ? std::string(argv[1])
: CGAL::data_file_path("meshes/elephant.mesh");
Triangulation tr;
std::ifstream is(filename, std::ios_base::in);
if(!CGAL::IO::read_MEDIT(is, tr))
{
std::cerr << "Failed to read" << std::endl;
return EXIT_FAILURE;
}
// [call a remeshing algorithm]
std::ofstream os("after_remeshing.mesh");
CGAL::IO::write_MEDIT(os, tr, CGAL::parameters::all_vertices(true));
os.close();
Triangulation tr2;
std::ifstream is2("after_remeshing.mesh");
if(!CGAL::IO::read_MEDIT(is2, tr2))
{
std::cerr << "Failed to read (#2)" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Done" << std::endl;
return EXIT_SUCCESS;
}

38
SMDS_3/examples/SMDS_3/c3t3_example.cpp
View File

@ -1,36 +1,16 @@
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Triangulation_3.h>
#include <CGAL/Triangulation_data_structure_3.h>
#include <CGAL/Simplicial_mesh_cell_base_3.h>
#include <CGAL/Simplicial_mesh_vertex_base_3.h>
#include <CGAL/Simplicial_mesh_triangulation_3.h>
#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
#include <CGAL/tetrahedral_remeshing.h>
#include <CGAL/tags.h>
#include <CGAL/IO/File_medit.h>
#include <fstream>
using K = CGAL::Exact_predicates_inexact_constructions_kernel;
using Subdomain_index = int;
using Surface_patch_index = unsigned char;
using Curve_index = char;
using Corner_index = short;
using Cb = CGAL::Simplicial_mesh_cell_base_3<K, Subdomain_index, Surface_patch_index>;
using Vb = CGAL::Simplicial_mesh_vertex_base_3<K, Subdomain_index, Surface_patch_index,
Curve_index, Corner_index>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb, CGAL::Sequential_tag>;
using Triangulation = CGAL::Triangulation_3<K, Tds>;
using Triangulation = CGAL::Simplicial_mesh_triangulation_3<K>;
using C3t3 = CGAL::Mesh_complex_3_in_triangulation_3<Triangulation>;
int main(int argc, char* argv[])
{
std::cout.precision(17);
@ -48,20 +28,12 @@ int main(int argc, char* argv[])
return EXIT_FAILURE;
}
// [call a remeshing algorithm]
C3t3 c3t3;
c3t3.triangulation() = tr;
std::ofstream os("after_remeshing.mesh");
std::ofstream os("out.mesh");
CGAL::IO::write_MEDIT(os, tr, CGAL::parameters::all_vertices(true));
os.close();
Triangulation tr2;
std::ifstream is2("after_remeshing.mesh");
if(!CGAL::IO::read_MEDIT(is2, tr2))
{
std::cerr << "Failed to read (#2)" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Done" << std::endl;
return EXIT_SUCCESS;
}

51
SMDS_3/include/CGAL/Simplicial_mesh_triangulation_3.h Normal file
View File

@ -0,0 +1,51 @@
// Copyright (c) 2006-2007 INRIA Sophia-Antipolis (France).
// Copyright (c) 2008,2011 GeometryFactory Sarl (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Laurent Rineau, Stephane Tayeb, Andreas Fabri, Jane Tournois
#ifndef CGAL_SIMPLICIAL_MESH_TRIANGULATION_3_H
#define CGAL_SIMPLICIAL_MESH_TRIANGULATION_3_H
#include <CGAL/license/SMDS_3.h>
#include <CGAL/Simplicial_mesh_vertex_base_3.h>
#include <CGAL/Simplicial_mesh_cell_base_3.h>
#include <CGAL/Triangulation_data_structure_3.h>
#include <CGAL/Triangulation_3.h>
namespace CGAL
{
/**
*\ingroup PkgSMDS3Classes
* `Simplicial_mesh_triangulation_3`
* @todo
*/
template<typename K,
typename SubdomainIndex = int,
typename SurfacePatchIndex = int,
typename CurveIndex = int,
typename CornerIndex = int>
using Simplicial_mesh_triangulation_3 =
CGAL::Triangulation_3<K,
CGAL::Triangulation_data_structure_3<
CGAL::Simplicial_mesh_vertex_base_3<K,
SubdomainIndex,
SurfacePatchIndex,
CurveIndex,
CornerIndex>,
CGAL::Simplicial_mesh_cell_base_3<K, SubdomainIndex, SurfacePatchIndex>,
CGAL::Sequential_tag
>
>;
};
#endif // CGAL_SIMPLICIAL_MESH_TRIANGULATION_3_H