void PointsToTracksOp::apply(shared_ptr<OsmMap>& map)
{
HashMap<QString, deque<long> > trackIdToNid;
const OsmMap::NodeMap& nm = map->getNodeMap();
for (OsmMap::NodeMap::const_iterator it = nm.begin(); it != nm.end(); ++it)
{
if (it.value()->getTags().contains("hoot:track:id") &&
it.value()->getTags().contains("hoot:track:seq"))
{
QString trackId = it.value()->getTags()["hoot:track:id"];
trackIdToNid[trackId].push_back(it.key());
}
}
_sortTracks(map, trackIdToNid);
_createWays(map, trackIdToNid);
}
void MapCropper::apply(shared_ptr<OsmMap>& map)
{
LOG_INFO("Cropping map.");
shared_ptr<OsmMap> result = map;
if (MapReprojector::isGeographic(map) == false && _nodeBounds.isNull() == false)
{
throw HootException("If the node bounds is set the projection must be geographic.");
}
// @todo visit the elements from the most senior (e.g. relation that has no parents) to the
// most junior (nodes).
// go through all the ways
const WayMap ways = result->getWays();
for (WayMap::const_iterator it = ways.begin(); it != ways.end(); it++)
{
const shared_ptr<Way>& w = it->second;
shared_ptr<LineString> ls = ElementConverter(map).convertToLineString(w);
const Envelope& e = *(ls->getEnvelopeInternal());
// if the way is completely outside the region we're keeping
if (_isWhollyOutside(e))
{
// remove the way
result->removeWayFully(w->getId());
}
else if (_isWhollyInside(e))
{
// keep the way
}
else
{
// do an expensive operation to decide how much to keep, if any.
_cropWay(result, w->getId());
}
}
shared_ptr<NodeToWayMap> n2wp = result->getIndex().getNodeToWayMap();
NodeToWayMap& n2w = *n2wp;
LOG_INFO(" Removing nodes...");
// go through all the nodes
const OsmMap::NodeMap nodes = result->getNodeMap();
for (OsmMap::NodeMap::const_iterator it = nodes.constBegin(); it != nodes.constEnd(); it++)
{
const Coordinate& c = it.value()->toCoordinate();
bool nodeInside = false;
if (_envelope.isNull() == false)
{
if (_invert == false)
{
nodeInside = _envelope.covers(c);
}
else
{
nodeInside = !_envelope.covers(c);
}
}
else
{
auto_ptr<Point> p(GeometryFactory::getDefaultInstance()->createPoint(c));
if (_invert == false)
{
nodeInside = _envelopeG->intersects(p.get());
}
else
{
nodeInside = !_envelopeG->intersects(p.get());
}
}
// if the node is outside
if (!nodeInside)
{
// if the node is within the limiting bounds.
if (_nodeBounds.isNull() == true || _nodeBounds.contains(c))
{
// if the node is not part of a way
if (n2w.find(it.key()) == n2w.end())
{
// remove the node
result->removeNodeNoCheck(it.value()->getId());
}
}
}
}
RemoveEmptyRelationsVisitor v;
map->visitRw(v);
}
