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more than one curve can be on the left of an event with overlapping curves on the right

This commit is contained in:
Sébastien Loriot 2023-02-03 10:39:58 +01:00
parent 7794a1976b
commit 2260c4fab3
1 changed files with 14 additions and 5 deletions
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15
Surface_sweep_2/include/CGAL/Surface_sweep_2/Surface_sweep_2_impl.h
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@ -110,19 +110,28 @@ void Surface_sweep_2<Vis>::_handle_left_curves()
this->m_currentEvent->push_back_curve_to_right(sc);
}
else {
this->m_currentEvent->push_back_curve_to_left(sc);
this->m_currentEvent->set_weak_intersection();
auto status_line_it = this->m_status_line_insert_hint;
do{
this->m_currentEvent->push_back_curve_to_left(sc);
this->m_visitor->update_event(this->m_currentEvent, sc);
_add_curve_to_right(this->m_currentEvent, sc);
++status_line_it;
if (status_line_it==this->m_statusLine.end()) break;
if (this->m_statusLineCurveLess(this->m_currentEvent->point(), *status_line_it)!=EQUAL)
break;
sc = *status_line_it;
}
while(true); // the loop is only needed in case there are overlapping curve in right curves
}
// sc is now on the left
// some subcurves have been addded on the left
CGAL_SS_PRINT_TEXT("Event after update:");
CGAL_SS_PRINT_EOL();
CGAL_SS_PRINT_EVENT_INFO(this->m_currentEvent);
CGAL_SS_PRINT_EOL();
CGAL_assertion(std::distance(this->m_currentEvent->left_curves_begin(),
this->m_currentEvent->left_curves_end())==1);
this->m_currentEvent->left_curves_end())!=0);
}
else {
// The event is not located on any subcurve.