Thanks Uwe...but I have not mentioned the padding logic in my earlier mail.Just wanted to know if that logic would work.
Uwe Schindler wrote: > > I already responded to your eMail and answered all your questions! > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > >> -----Original Message----- >> From: mitu2009 [mailto:musicfrea...@gmail.com] >> Sent: Sunday, June 28, 2009 7:39 PM >> To: java-user@lucene.apache.org >> Subject: Correctly indexing latitude and longitude values in Lucene >> >> >> Hi, >> >> Am working on a "US based nearest city search within a given radius" >> functionality using Lucene API. >> Am indexing city's lat and long values in Lucene as follows: >> >> doc.Add(new Field("latitude", paddedLatitude, Field.Store.YES, >> Field.Index.UN_TOKENIZED)); >> >> doc.Add(new Field("longitude", paddedLongitude, Field.Store.YES, >> Field.Index.UN_TOKENIZED)); >> >> Since Lucene only understands strings and not numbers, am padding lat and >> long values. >> >> For example, if original lat and long are 41.811846 and -87.820628 >> respectively, after padding,values look like: >> >> paddedLatitude -->"0041.811846" and paddedLongitude-->"-087.820628" >> >> Am doing the same padding while building the nearest city query(using >> Lucene's ConstantScoreRangeQuery class). >> >> Given the fact that lat and long values could be decimal/negative >> numbers, >> is this the right approach to index them so that I would get correct >> nearest >> cities in the search results when lucene would perform a number >> Range/comparison operation on these values? >> >> Thanks. >> >> -- >> View this message in context: http://www.nabble.com/Correctly-indexing- >> latitude-and-longitude-values-in-Lucene-tp24243647p24243647.html >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> 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 > > > -- View this message in context: http://www.nabble.com/Correctly-indexing-latitude-and-longitude-values-in-Lucene-tp24243647p24244088.html Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
