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Diffstat (limited to 'boost/geometry/algorithms/detail/overlay/ring_properties.hpp')
-rw-r--r--boost/geometry/algorithms/detail/overlay/ring_properties.hpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/boost/geometry/algorithms/detail/overlay/ring_properties.hpp b/boost/geometry/algorithms/detail/overlay/ring_properties.hpp
index a608869..b469052 100644
--- a/boost/geometry/algorithms/detail/overlay/ring_properties.hpp
+++ b/boost/geometry/algorithms/detail/overlay/ring_properties.hpp
@@ -33,8 +33,7 @@ struct ring_properties
Point point;
area_type area;
- // Filled by "update_selection_map"
- int within_code;
+ // Filled by "update_ring_selection"
bool reversed;
// Filled/used by "assign_rings"
@@ -45,21 +44,22 @@ struct ring_properties
inline ring_properties()
: area(area_type())
- , within_code(-1)
, reversed(false)
, discarded(false)
, parent_area(-1)
{}
template <typename RingOrBox>
- inline ring_properties(RingOrBox const& ring_or_box, bool midpoint)
- : within_code(-1)
- , reversed(false)
+ inline ring_properties(RingOrBox const& ring_or_box)
+ : reversed(false)
, discarded(false)
, parent_area(-1)
{
this->area = geometry::area(ring_or_box);
- geometry::point_on_border(this->point, ring_or_box, midpoint);
+ // We should take a point somewhere in the middle of the ring,
+ // to avoid taking a point on a (self)tangency,
+ // in cases where multiple points come together
+ geometry::point_on_border(this->point, ring_or_box, true);
}
inline area_type get_area() const