The distance is calculated best using JTS. For example: double distance = pointA.distance(pointB)
See http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/geom/Geometry.html#distance(com.vividsolutions.jts.geom.Geometry) On Tue, Sep 23, 2014 at 3:26 PM, Alireza Rezaei Mahdiraji < alireza...@gmail.com> wrote: > > Hi All, > > Given two geometries how do compute the distance between > them in neo4j spatial? For instance given two points stored in two nodes? > > What other kind of distance are defined? For instance, is it possible to > find > distance between a point and a linestring/polygon or distance between two > polygons? > > Related to the concept of distance, it is possible to find objects within > a given distance of a > given object. But what about computing knn, i.e., finding k elements which > are closets to the > given object? Shall we compute all distances and then pick top k or there > is implemented > and optimized way to do this? > > Thanks, > Best, > Alireza > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neo4j+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to neo4j+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
