public RecursivePrefixTreeStrategyDistranceCustomScoreProvider(IndexReader reader, RecursivePrefixTreeStrategy strategy, PointPrefixTreeFieldCacheProvider cacheProvider, Point origin)
: base(reader)
{
var ctx = strategy.GetSpatialContext();
_originPt = origin;
_calculator = ctx.GetDistCalc();
_nullValue = (ctx.IsGeo() ? 180 : float.MaxValue);
_cache = cacheProvider.GetCache(reader);
}
public static TopDocs DistanceFilter_RecursivePrefixTreeStrategy(Searcher searcher, RecursivePrefixTreeStrategy strategy, Point myLocation)
{
var ctx = strategy.GetSpatialContext();
var q = new MatchAllDocsQuery();
var filter = strategy.MakeFilter(new SpatialArgs(SpatialOperation.Intersects,
ctx.MakeCircle(myLocation,
DistanceUtils.Dist2Degrees(2000,
DistanceUtils
.EARTH_MEAN_RADIUS_KM))));
// Reverse sorting...
var sortField = new SortField(null, SortField.SCORE, true);
TopDocs hits = searcher.Search(q, filter, 100, new Sort(sortField));
return(hits);
}
