const SearchPointVector&
AbstractAirspace::GetClearance(const FlatProjection &projection) const
{
#define RADIUS 5
if (!m_clearance.empty())
return m_clearance;
m_clearance = m_border;
if (is_convex != TriState::FALSE)
is_convex = m_clearance.PruneInterior() ? TriState::FALSE : TriState::TRUE;
FlatBoundingBox bb = m_clearance.CalculateBoundingbox();
FlatGeoPoint center = bb.GetCenter();
for (SearchPoint &i : m_clearance) {
FlatGeoPoint p = i.GetFlatLocation();
FlatRay r(center, p);
int mag = r.Magnitude();
int mag_new = mag + RADIUS;
p = r.Parametric((double)mag_new / mag);
i = SearchPoint(projection.Unproject(p), p);
}
return m_clearance;
}
const SearchPointVector&
AbstractAirspace::GetClearance(const TaskProjection &projection) const
{
#define RADIUS 5
if (!m_clearance.empty())
return m_clearance;
m_clearance = m_border;
if (!m_is_convex)
m_clearance.PruneInterior();
FlatBoundingBox bb = m_clearance.CalculateBoundingbox();
FlatGeoPoint center = bb.GetCenter();
for (auto i= m_clearance.begin(); i != m_clearance.end(); ++i) {
FlatGeoPoint p = i->get_flatLocation();
FlatRay r(center, p);
int mag = r.Magnitude();
int mag_new = mag + RADIUS;
p = r.Parametric((fixed)mag_new / mag);
*i = SearchPoint(projection.unproject(p), p);
}
return m_clearance;
}