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https://issues.apache.org/jira/browse/SOLR-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229928#comment-13229928
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Harley Parks commented on SOLR-2155:
------------------------------------
Sorry, about the editing.
But Thanks For the Feedback.
so perhaps there is something wrong with my configuration, since the search
results do not return lat, long but the geohash string.
The maven build went great.
I did finally figure out how to use the geofilt function using the pt and d.
I am reindexing each time, but yes, I delete the data folder, and reindex.
I am placing the jar file into the tomcats solr/lib folder, after a restart,
and after changing solrconfig and schema, geohash string is displayed, not the
lat,long.
Schema
Field Type:
<fieldType name="geohash" class="solr2155.solr.schema.GeoHashField"
length="12"/>
this is the field:
<field name="GeoTagGeoHash" type="geohash" indexed="true" stored="true"
multiValued="true" />
this is the info from solr/admin/ field types - GEOHASH
Field Type: geohash
Fields: GEOTAGGEOHASH
Tokenized: true
Class Name: solr2155.solr.schema.GeoHashField
Index Analyzer: org.apache.solr.analysis.TokenizerChain
Tokenizer Class: solr2155.solr.schema.GeoHashField$1
Query Analyzer: org.apache.solr.schema.FieldType$DefaultAnalyzer
Still, the query returns values like:
<arr name="GeoTagGeoHash">
<str>rw3sh9g8c6mx</str>
<str>rw3f3xc9dnh3</str>
<str>rw3ckbue74y7</str>
</arr>
so, if this is not the right, is there anything I can do to troubleshoot?
> Geospatial search using geohash prefixes
> ----------------------------------------
>
> Key: SOLR-2155
> URL: https://issues.apache.org/jira/browse/SOLR-2155
> Project: Solr
> Issue Type: Improvement
> Reporter: David Smiley
> Attachments: GeoHashPrefixFilter.patch, GeoHashPrefixFilter.patch,
> GeoHashPrefixFilter.patch,
> SOLR-2155_GeoHashPrefixFilter_with_sorting_no_poly.patch, SOLR.2155.p3.patch,
> SOLR.2155.p3tests.patch, Solr2155-1.0.2-project.zip,
> Solr2155-1.0.3-project.zip, Solr2155-for-1.0.2-3.x-port.patch
>
>
> There currently isn't a solution in Solr for doing geospatial filtering on
> documents that have a variable number of points. This scenario occurs when
> there is location extraction (i.e. via a "gazateer") occurring on free text.
> None, one, or many geospatial locations might be extracted from any given
> document and users want to limit their search results to those occurring in a
> user-specified area.
> I've implemented this by furthering the GeoHash based work in Lucene/Solr
> with a geohash prefix based filter. A geohash refers to a lat-lon box on the
> earth. Each successive character added further subdivides the box into a 4x8
> (or 8x4 depending on the even/odd length of the geohash) grid. The first
> step in this scheme is figuring out which geohash grid squares cover the
> user's search query. I've added various extra methods to GeoHashUtils (and
> added tests) to assist in this purpose. The next step is an actual Lucene
> Filter, GeoHashPrefixFilter, that uses these geohash prefixes in
> TermsEnum.seek() to skip to relevant grid squares in the index. Once a
> matching geohash grid is found, the points therein are compared against the
> user's query to see if it matches. I created an abstraction GeoShape
> extended by subclasses named PointDistance... and CartesianBox.... to support
> different queried shapes so that the filter need not care about these details.
> This work was presented at LuceneRevolution in Boston on October 8th.
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