unsigned test_radius(const Waypoints& waypoints, const double range)
{
const Waypoint *r = waypoints.lookup_id(3);
if (r) {
WaypointVisitorPrint v;
waypoints.visit_within_radius(r->Location, fixed(range), v);
return v.count;
} else {
return 0;
}
}
static void
FillList(WaypointSelectInfoVector &dest, const Waypoints &src,
GeoPoint location, Angle heading, const WayPointFilterData &filter)
{
dest.clear();
if (!filter.defined() && src.size() >= 500)
return;
FilterWaypointVisitor visitor(filter, location, heading, dest);
if (filter.distance_index > 0)
src.visit_within_radius(location, Units::ToSysDistance(
DistanceFilter[filter.distance_index]), visitor);
else
src.visit_name_prefix(filter.name, visitor);
if (filter.distance_index > 0 || filter.direction_index > 0)
std::sort(dest.begin(), dest.end(), WaypointDistanceCompare);
}