Alan, you made my day! The branch is kind of outdated but I looked at it lately and I can certainly help to get it up to speed. The feature in that branch is quite a big one and its in a very early stage. Still I want to encourage you to take a look and work on it. I promise all my help with the issues!
let me know if you have questions! simon On Mon, Mar 19, 2012 at 3:52 PM, Alan Woodward <alan.woodw...@romseysoftware.co.uk> wrote: > Cool, thanks Robert. I'll take a look at the JIRA ticket. > > On 19 Mar 2012, at 14:44, Robert Muir wrote: > >> On Mon, Mar 19, 2012 at 10:38 AM, Alan Woodward >> <alan.woodw...@romseysoftware.co.uk> wrote: >>> Hello, >>> >>> The project I'm currently working on requires the reporting of exact hit >>> positions from some pretty hairy queries, not all of which are covered by >>> the existing highlighter modules. I'm working round this by translating >>> everything into SpanQueries, and using the getSpans() method to locate hits >>> (I've extended the Spans interface to make term offsets available - >>> see https://issues.apache.org/jira/browse/LUCENE-3826). This works for our >>> use-case, but isn't terribly efficient, and obviously isn't applicable to >>> non-Span queries. >>> >>> I've seen a bit of chatter on the list about using term offsets to provide >>> accurate highlighting in Lucene. I'm going to have a couple of weeks free >>> in April, and I thought I might have a go at implementing this. Mainly I'm >>> wondering if there's already been thoughts about how to do it. My current >>> thoughts are to somehow extend the Weight and Scorer interface to make term >>> offsets available; to get highlights for a given set of documents, you'd >>> essentially run the query again, with a filter on just the documents you >>> want highlighted, and have a custom collector that gets the term offsets in >>> place of the scores. >>> >> >> Hi Alan, Simon started some initial work on >> https://issues.apache.org/jira/browse/LUCENE-2878 >> >> Some work and prototypes were done in a branch, but it might be >> lagging behind trunk a bit. >> >> Additionally at the time it was first done, I think we didn't yet >> support offsets in the postings lists. >> We've since added this and several codecs support it. >> >> -- >> lucidimagination.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org >> For additional commands, e-mail: dev-h...@lucene.apache.org >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org > For additional commands, e-mail: dev-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org
