Apache Solr Reference Guide Covering Apache Solr 6.0

See the section SpatialRecursivePrefixTreeFieldType below for RPT configuration specifics.
Spatial Filters
There are 2 types of Spatial filters, which both support the following parameters:
Parameter
d
pt
sfield
score
Description
the radial distance, usually in kilometers. (RPT & BBoxField can set other units via the setting di
stanceUnits)
the center point using the format "lat,lon" if latitude & longitude. Otherwise, "x,y" for PointType or
"x y" for RPT field types.
a spatial indexed field
(Advanced option; RPT and BBoxField field types only) If the query is used in a scoring context
(e.g. as the main query in q), this local-param determines what scores will be produced. Valid
values are:
none - A fixed score of 1.0. (the default)
kilometers - distance in kilometers between the field value and the specified center point
miles - distance in miles between the field value and the specified center point
degrees - distance in degrees between the field value and the specified center point
distance - distance between the field value and the specified center point in the distance
Units configured for this field
recipDistance - 1 / the distance
WARNING: Don't use this for indexed non-point shapes (e.g. polygons). The results will be
erroneous. And with RPT, it's only recommended for multi-valued point data, as the
implementation doesn't scale very well and for single-valued fields, you should instead use a
separate LatLonType field purely for distance sorting.
When used with
BBoxField,additional options are supported:
overlapRatio - The relative overlap between the indexed shape & query shape.
area - haversine based area of the overlapping shapes expressed in terms of the distance
Units configured for this field
area2D - cartesian coordinates based area of the overlapping shapes expressed in terms of
the distanceUnits configured for this field
filter
(Advanced option; RPT and BBoxField field types only) If you only want the query to score (with
the above score local-param), not filter, then set this local-param to false.
geofilt
The geofilt filter allows you to retrieve results based on the geospatial distance (AKA the "great circle
distance") from a given point. Another way of looking at it is that it creates a circular shape filter. For example, to
find all documents within five kilometers of a given lat/lon point, you could enter &q=*:*&fq={!geofilt
sfield=store}&pt=45.15,-93.85&d=5. This filter returns all results within a circle of the given radius
around the initial point:
Apache Solr Reference Guide 6.0
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