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test: add mesh_segmentation() test

This commit is contained in:
Lingjie Zhu 2017-11-23 22:28:56 +08:00
parent 6434be16d5
commit b85d520c6c
3 changed files with 50 additions and 3 deletions
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6
Surface_mesh_approximation/test/Surface_mesh_approximation/CMakeLists.txt
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@ -48,10 +48,12 @@ create_single_source_cgal_program( "vsa_correctness_test.cpp" )
create_single_source_cgal_program( "vsa_error_decrease_test.cpp" )
create_single_source_cgal_program( "vsa_free_function_test.cpp" )
create_single_source_cgal_program( "vsa_kernel_test.cpp" )
create_single_source_cgal_program( "vsa_mesh_approximation_test.cpp" )
create_single_source_cgal_program( "vsa_mesh_segmentation_test.cpp" )
create_single_source_cgal_program( "vsa_meshing_manifold_test.cpp" )
create_single_source_cgal_program( "vsa_metric_test.cpp" )

2
Surface_mesh_approximation/test/Surface_mesh_approximation/vsa_free_function_test.cpp → Surface_mesh_approximation/test/Surface_mesh_approximation/vsa_mesh_approximation_test.cpp
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@ -11,7 +11,7 @@ typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef CGAL::Polyhedron_3<Kernel> Polyhedron;
/**
* This file tests the VSA free function API.
* This file tests the free function CGAL::VSA::mesh_approximation.
*/
int main()
{

45
Surface_mesh_approximation/test/Surface_mesh_approximation/vsa_mesh_segmentation_test.cpp Normal file
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@ -0,0 +1,45 @@
#include <iostream>
#include <fstream>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/vsa_mesh_segmentation.h>
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef CGAL::VSA::Plane_proxy<Kernel> Plane_proxy;
typedef CGAL::Polyhedron_3<Kernel> Polyhedron;
typedef typename boost::graph_traits<Polyhedron>::face_descriptor face_descriptor;
typedef boost::unordered_map<face_descriptor, std::size_t> Facet_index_map;
typedef boost::associative_property_map<Facet_index_map> Facet_proxy_pmap;
/**
* This file tests the free function CGAL::VSA::mesh_segmentation.
*/
int main()
{
Polyhedron input;
std::ifstream file("data/sphere_iso.off");
if (!file || !(file >> input) || input.empty()) {
std::cerr << "Invalid off file." << std::endl;
return EXIT_FAILURE;
}
Facet_index_map fidx_map;
BOOST_FOREACH(face_descriptor f, faces(input))
fidx_map[f] = 0;
Facet_proxy_pmap fpxmap(fidx_map);
std::vector<Plane_proxy> proxies;
// free function interface with named parameters
CGAL::VSA::mesh_segmentation(input,
fpxmap, // output indexed face set
CGAL::VSA::parameters::seeding_method(CGAL::VSA::Hierarchical). // hierarchical seeding
max_nb_proxies(200). // both maximum number of proxies stop criterion,
min_error_drop(0.05). // and minimum error drop stop criterion are specified
nb_of_iterations(30). // number of clustering iterations after seeding
nb_of_relaxations(5). // number of relaxations in seeding
proxies(std::back_inserter(proxies))); // number of iterations after seeding
return EXIT_SUCCESS;
}