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add a comment about using std::move(c3t3) in the example

This commit is contained in:
Jane Tournois 2020-06-24 21:37:31 +02:00
parent c5081c7880
commit 3ac540c8a9
1 changed files with 7 additions and 1 deletions
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8
Tetrahedral_remeshing/examples/Tetrahedral_remeshing/mesh_and_remesh_polyhedral_domain_with_features.cpp
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@ -60,7 +60,13 @@ int main(int argc, char* argv[])
// Mesh generation
C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria);
Triangulation_3 tr = CGAL::convert_to_triangulation_3(c3t3);
Triangulation_3 tr = CGAL::convert_to_triangulation_3(std::move(c3t3));
//note we use the move semantic, with std::move(c3t3),
// to avoid a copy of the triangulation by the function
// `CGAL::convert_to_triangulation_3()`
// After the call to this function, c3t3 is an empty and valid C3t3.
//It is possible to use : CGAL::convert_to_triangulation_3(c3t3),
// Then the triangulation is copied and duplicated, and c3t3 remains as is.
const double target_edge_length = 0.1;//coarsen the mesh
CGAL::tetrahedral_isotropic_remeshing(tr, target_edge_length,