bool WayMergeManipulation::_directConnect(const OsmMapPtr& map, WayPtr w) const
{
boost::shared_ptr<LineString> ls = ElementConverter(map).convertToLineString(w);
CoordinateSequence* cs = GeometryFactory::getDefaultInstance()->getCoordinateSequenceFactory()->
create(2, 2);
cs->setAt(map->getNode(w->getNodeId(0))->toCoordinate(), 0);
cs->setAt(map->getNode(w->getLastNodeId())->toCoordinate(), 1);
// create a straight line and buffer it
boost::shared_ptr<LineString> straight(GeometryFactory::getDefaultInstance()->createLineString(cs));
boost::shared_ptr<Geometry> g(straight->buffer(w->getCircularError()));
// is the way in question completely contained in the buffer?
return g->contains(ls.get());
}
void WayMergeManipulation::_removeSpans(OsmMapPtr map,
set<ElementId>& impactedElements) const
{
WayPtr left = map->getWay(_left);
WayPtr right = map->getWay(_right);
set<ElementId> impactedWaysTmp = impactedElements;
for (set<ElementId>::iterator it = impactedWaysTmp.begin(); it != impactedWaysTmp.end(); ++it)
{
ElementId eid = *it;
WayPtr w = map->getWay(eid.getId());
long first = w->getNodeId(0);
long last = w->getLastNodeId();
if ((left->hasNode(first) && right->hasNode(last)) ||
(left->hasNode(last) && right->hasNode(first)))
{
if (_directConnect(map, w))
{
RemoveWayOp::removeWay(map, eid.getId());
impactedElements.erase(eid);
}
}
}
}
