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Merge remote-tracking branch 'cgal/5.5.x-branch' into HEAD
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@sloriot
sloriot committed Sep 3, 2024
2 parents afb52e9 + 7425bc4 commit 3b53109
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53 changes: 53 additions & 0 deletions Convex_decomposition_3/test/Convex_decomposition_3/cd_nested_holes_test.cpp
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#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
#include <CGAL/Nef_3/SNC_indexed_items.h>
#include <CGAL/convex_decomposition_3.h>
#include <list>

typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;
typedef CGAL::Polyhedron_3<Kernel> Polyhedron_3;
typedef CGAL::Nef_polyhedron_3<Kernel, CGAL::SNC_indexed_items> Nef_polyhedron_3;
typedef Nef_polyhedron_3::Volume_const_iterator Volume_const_iterator;

std::size_t run(std::string path)
{
Polyhedron_3 input;
std::ifstream(path) >> input;

Nef_polyhedron_3 N(input);

CGAL::convex_decomposition_3(N);
std::list<Polyhedron_3> convex_parts;

Volume_const_iterator ci = ++N.volumes_begin();
for( ; ci != N.volumes_end(); ++ci) {
if(ci->mark()) {
Polyhedron_3 P;
N.convert_inner_shell_to_polyhedron(ci->shells_begin(), P);
convex_parts.push_back(P);
}
}

// int i=0;
for (const Polyhedron_3& P : convex_parts)
{
// std::ofstream("out_"+std::to_string(i++)+".off") << std::setprecision(17) << P;
assert(P.size_of_vertices()!=0);
}

return convex_parts.size();
}

int main()
{
std::size_t val = run("data/in1.off");
assert(val==9);
val = run("data/in2.off");
assert(val==10);
val = run("data/in3.off");
assert(val==13);
val = run("data/in4.off");
assert(val==17);
}
117 changes: 117 additions & 0 deletions Convex_decomposition_3/test/Convex_decomposition_3/data/in1.off
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144 changes: 144 additions & 0 deletions Convex_decomposition_3/test/Convex_decomposition_3/data/in2.off
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