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Trying to improve drilling stability by handling CGAL exceptions

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This commit is contained in:
Lukas Matena 2020-01-29 15:57:49 +01:00
parent b41c6d7d64
commit b0aa937215
2 changed files with 21 additions and 6 deletions
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14
src/libslic3r/SLAPrintSteps.cpp
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@ -83,9 +83,9 @@ void SLAPrint::Steps::hollow_model(SLAPrintObject &po)
bool drilling_needed = ! po.m_model_object->sla_drain_holes.empty();
// If the mesh is broken, stop immediately, even before hollowing.
if (drilling_needed && po.transformed_mesh().needed_repair())
throw std::runtime_error(L("The mesh appears to be too broken "
"to drill holes into it reliably."));
//if (drilling_needed && po.transformed_mesh().needed_repair())
// throw std::runtime_error(L("The mesh appears to be too broken "
// "to drill holes into it reliably."));
if (! po.m_config.hollowing_enable.getBool())
BOOST_LOG_TRIVIAL(info) << "Skipping hollowing step!";
@ -133,7 +133,13 @@ void SLAPrint::Steps::hollow_model(SLAPrintObject &po)
TriangleMesh &hollowed_mesh = po.m_hollowing_data->hollow_mesh_with_holes;
hollowed_mesh = po.get_mesh_to_print();
MeshBoolean::cgal::minus(hollowed_mesh, holes_mesh);
try {
MeshBoolean::cgal::minus(hollowed_mesh, holes_mesh);
}
catch (const std::runtime_error& ex) {
throw std::runtime_error(L("Drilling holes into the mesh failed. "
"This is usually caused by broken model. Try to fix it first."));
}
hollowed_mesh.require_shared_vertices();
}
}