Thanks for the response. Someone has an example on how to use a FunctionQuery in a CustomScoreQuery with the haversin function?
Thanks! Regards, Pablo. On Mon, Aug 24, 2015 at 7:40 PM, Uwe Schindler <u...@thetaphi.de> wrote: > Hi, > > you can use the lucene-expressions module and use the distance function there > as part of the score. In general, just sorting by distance brings bad user > experience, because you would ignore the score completely. So you should just > "tune" the score by taking the distance into account, e.g. newscore = score / > distance. And you can do this with expressions, the formula can be given as > Javascript function, see > https://lucene.apache.org/core/5_3_0/expressions/index.html (haversin > function is giving distance on earth). > > If you want to hardcode the stuff in plain java, you can also use > CustomScoreQuery from the lucene-queries module: > https://lucene.apache.org/core/5_3_0/queries/org/apache/lucene/queries/CustomScoreQuery.html > You can use this query and change the score of the inner query ("subquery") > and provide a CustomScoreProvider or FunctionQuery. > > For both solutions you need latitude and longitude as a DocValues field. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > >> -----Original Message----- >> From: Pablo Mincz [mailto:pmi...@gmail.com] >> Sent: Monday, August 24, 2015 10:27 PM >> To: java-user@lucene.apache.org >> Subject: Lucene 5.3.0 GeoPointDistanceQuery >> >> Hi, >> >> I'm using GeoPointDistanceQuery to filter the results near by a certain >> coordinate, but now I want to sort them by distance to that coordinate. >> >> I did not find anything in the github repository on how to do this. >> >> Someone know how to do this? >> >> Thanks for the help! >> >> Regards, >> Pablo. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
