/**
* Returns all the FeatureId and ID attributes based on the query against the spatial index
*
* @return all the FeatureId and ID attributes based on the query against the spatial index
*/
protected synchronized Map<String, FeatureId> unrefinedSpatialMatches() {
if (_unrefinedMatches == null) {
Geometry geom = null;
// _index.query returns geometries that intersect with provided envelope. To use later a
// spatial filter that
// provides geometries that don't intersect with the query envelope (_geom) should be used a
// full extent
// envelope in this method, instead of the query envelope (_geom)
if (getFilter().getClass().getName().equals("org.geotools.filter.spatial.DisjointImpl")) {
try {
geom = WORLD_BOUNDS;
} catch (Exception ex) {
ex.printStackTrace();
return _unrefinedMatches;
}
} else {
geom = _geom;
}
SpatialIndex spatialIndex = sourceAccessor.two();
@SuppressWarnings("unchecked")
List<Pair<FeatureId, String>> fids = spatialIndex.query(geom.getEnvelopeInternal());
_unrefinedMatches = new HashMap<>();
for (Pair<FeatureId, String> match : fids) {
_unrefinedMatches.put(match.two(), match.one());
}
}
return _unrefinedMatches;
}
private void addLine(Coordinate[] pts) {
SegmentString segStr = new BasicSegmentString(pts, null);
List segChains = MonotoneChainBuilder.getChains(segStr.getCoordinates(), segStr);
for (Iterator i = segChains.iterator(); i.hasNext(); ) {
MonotoneChain mc = (MonotoneChain) i.next();
index.insert(mc.getEnvelope(), mc);
}
}
public List query(Envelope searchEnv) {
return index.query(searchEnv);
}