See Lucene In Action. There's an example in the book that is almost exactly what you want, see section 6.1
Erick On 2/27/07, no spam <[EMAIL PROTECTED]> wrote:
I have a very small index of 500 docs with an index size of < 100k on disk so far. I want to whip through the docs and get only the ones within a lat/lon within radius. I realize this isn't how lucene wants to do things (normally query search first) but how can I do this in an efficient manner? Mark