Hi David, No worries. It looks like the CompositeSpatialStrategy was the piece I was missing.
Thanks for the pointers, Robert On Sun, Jan 10, 2016 at 9:53 PM david.w.smi...@gmail.com < david.w.smi...@gmail.com> wrote: > Hi Robert, > > First, for the basics of the spatial module, see SpatialExample.java in the > tests area. It doesn't include a polygon example but shows the concepts of > a SpatialContext, Shape, and SpatialStrategy which are the key > abstractions. > > The default SpatialContext implementation doesn't handle polygons -- not > yet any way. So use JtsSpatialContext.GEO or some other configured variant > created via JtsSpatialContextFactory and add JTS to your classpath (LGPL > licensed, by the way). With that, you can create polygons parsed from WKT > or GeoJSON -- see the SpatialContext.getFormats().getWktReader() for > example. That'll produce a Shape instance parsed from a polygon WKT string > you give it. Then re-aquaint yourself with SpatialExample.java to see how > to index a Shape and how to query by a Shape. An important difference with > the example is the choice of an appropriate SpatialStrategy. The example > uses RecursivePrefixTreeStrategy which is best for points-only data; > otherwise I recommend CompositeSpatialStrategy. > > I'm actively working on a SpatialContext implementation for "Geo3d" which > will be another option. Your code wouldn't change other than choosing a > different SpatialContext impl. > > By the way, the one-liner in your email I see you found in > SpatialExample.java: > doc.add(new StoredField(strategy.getFieldName, pt.getX + " " + pt.getY)) > -- is purely for the "stored" version (for document retrieval in search > results); not for indexing/search. See the comments preceding it ;-) > > Good luck. And sorry for leaving you hanging for a few days; I overlooked > your email. > ~ David > > On Wed, Jan 6, 2016 at 10:59 PM Robert Nix <r...@spatially.com> wrote: > > > Hi, > > > > Is there an example in the lucene-solr source to show how to index > polygons > > and how to search with and for indexed polys? I'm looking in > > lucene/spatial/src/test/ and I see an example of a point and it seems > > obvious: > > > > doc.add(new StoredField(strategy.getFieldName, pt.getX + " " + pt.getY)) > > > > But nothing regarding polygons is jumping out at me. If there isn't such > an > > example, can someone provide a short one? > > > > Thanks > > -- > > --nix > > > -- > Lucene/Solr Search Committer, Consultant, Developer, Author, Speaker > LinkedIn: http://linkedin.com/in/davidwsmiley | Book: > http://www.solrenterprisesearchserver.com > -- --nix
