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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1568) Implement Spatial Filter
Date Mon, 07 Jun 2010 15:41:44 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876279#action_12876279
] 

David Smiley commented on SOLR-1568:
------------------------------------

I have been testing the capabilities of this patch further.  I am using LatLonType and I have
multiple points per document.  It doesn't appear that the logic in LatLonType properly handles
multi-value fields since its doing range queries for the latitude and longitude separately.
 I have a document with a couple points it, Copenhagen Denmark and Ethiopia.    If I query
for points in the box Lat: 10.8 - 5.4, and Lon: 9.50 - 14.23 then I find this document when
I shouldn't.  This box is at a place south of Copenhagen and West of Ethiopia.

Oh by the way, I made some modifications after applying the patch so that I could query by
a lat-lon box instead of a point-radius.  It was very easy.

> Implement Spatial Filter
> ------------------------
>
>                 Key: SOLR-1568
>                 URL: https://issues.apache.org/jira/browse/SOLR-1568
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>             Fix For: Next
>
>         Attachments: CartesianTierQParserPlugin.java, SOLR-1568.Mattmann.031010.patch.txt,
SOLR-1568.patch, SOLR-1568.patch, SOLR-1568.patch, SOLR-1568.patch, SOLR-1568.patch, SOLR-1568.patch,
SOLR-1568.patch, SOLR-1568.patch
>
>
> Given an index with spatial information (either as a geohash, SpatialTileField (see SOLR-1586)
or just two lat/lon pairs), we should be able to pass in a filter query that takes in the
field name, lat, lon and distance and produces an appropriate Filter (i.e. one that is aware
of the underlying field type for use by Solr. 
> The interface _could_ look like:
> {code}
> &fq={!sfilt dist=20}location:49.32,-79.0
> {code}
> or it could be:
> {code}
> &fq={!sfilt lat=49.32 lat=-79.0 f=location dist=20}
> {code}
> or:
> {code}
> &fq={!sfilt p=49.32,-79.0 f=location dist=20}
> {code}
> or:
> {code}
> &fq={!sfilt lat=49.32,-79.0 fl=lat,lon dist=20}
> {code}

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