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Considering degenerated edges for partial edge selectors

This commit is contained in:
Matthias Koefferlein 2024-03-03 22:34:19 +01:00
parent 8b6ed7f663
commit db168d8a55
1 changed files with 8 additions and 3 deletions
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11
src/db/db/dbEdgesUtils.cc
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@ -189,17 +189,22 @@ EdgeSegmentSelector::process (const db::Edge &edge, std::vector<db::Edge> &res)
{ {
double l = std::max (edge.double_length () * m_fraction, double (m_length)); double l = std::max (edge.double_length () * m_fraction, double (m_length));
db::DVector ds;
if (! edge.is_degenerate ()) {
ds = db::DVector (edge.d ()) * (l / edge.double_length ());
}
if (m_mode < 0) { if (m_mode < 0) {
res.push_back (db::Edge (edge.p1 (), db::Point (db::DPoint (edge.p1 ()) + db::DVector (edge.d ()) * (l / edge.double_length ())))); res.push_back (db::Edge (edge.p1 (), db::Point (db::DPoint (edge.p1 ()) + ds)));
} else if (m_mode > 0) { } else if (m_mode > 0) {
res.push_back (db::Edge (db::Point (db::DPoint (edge.p2 ()) - db::DVector (edge.d ()) * (l / edge.double_length ())), edge.p2 ())); res.push_back (db::Edge (db::Point (db::DPoint (edge.p2 ()) - ds), edge.p2 ()));
} else { } else {
db::DVector dl = db::DVector (edge.d ()) * (0.5 * l / edge.double_length ()); db::DVector dl = ds * 0.5;
db::DPoint center = db::DPoint (edge.p1 ()) + db::DVector (edge.p2 () - edge.p1 ()) * 0.5; db::DPoint center = db::DPoint (edge.p1 ()) + db::DVector (edge.p2 () - edge.p1 ()) * 0.5;
res.push_back (db::Edge (db::Point (center - dl), db::Point (center + dl))); res.push_back (db::Edge (db::Point (center - dl), db::Point (center + dl)));