For predicates other than "intersects", that is true :-/ Any help you might be interested in offering here is most welcome.
On Fri, Jun 1, 2018 at 8:38 PM Bingtao Yin <ybts...@gmail.com> wrote: > Hi David, > > Thanks for you reply. > > Compared to the prefix tree, implementation through doc-value seems slow. > It needs to load shapes from doc-value for all docs and check each with the > query shape. > > > 2018-06-02 3:31 GMT+08:00 David Smiley <david.w.smi...@gmail.com>: > > > Hi Bingtao, > > > > > If I want to implement query for other relations, should I just > serialize > > shape to binary format(e.g. wkb) and fall back to jts? > > > > Yes. There's a lot already there but you'd need to subclass some stuff > to > > add some other predicates. See CompositeSpatialStrategy and > > ShapeValuesPredicate. You could cast the value, a Shape, to a > JtsGeometry > > (a Spatial4j shape) and then call getGeom() to get the underlying JTS > > Geometry instance. If you find you need to fork entire classes then feel > > free to suggest improvements to the extensibility. > > > > ~ David > > > > On Tue, May 29, 2018 at 10:52 PM Bingtao Yin <ybts...@gmail.com> wrote: > > > > > Hi guys, > > > > > > Currently only limited spatial relations are supported(e.g. > > > withins/intersects in prefix tree). In DE-9IM, there are abount 8 > > > relations. > > > > > > If I want to implement query for other relations, should I just > serialize > > > shape to binary format(e.g. wkb) and fall back to jts? > > > > > > Any development plan on other relations? or will BKD tree support ogc > > > geometries and DE-9IM relations? > > > > > -- > > Lucene/Solr Search Committer, Consultant, Developer, Author, Speaker > > LinkedIn: http://linkedin.com/in/davidwsmiley | Book: > > http://www.solrenterprisesearchserver.com > > > -- Lucene/Solr Search Committer, Consultant, Developer, Author, Speaker LinkedIn: http://linkedin.com/in/davidwsmiley | Book: http://www.solrenterprisesearchserver.com
