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https://issues.apache.org/jira/browse/LUCENE-7380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-7380:
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Attachment: LUCENE-7380.patch
Patch; I think it's close.
It adds just one public API: {{Polygon.fromGeoJSON(String)}} returning
{{Polygon[]}} because the {{MultiPolygon}} case allows more than one
{{Polygon}}.
Also, I confirmed it correctly parses the large polygons from
https://github.com/hugoledoux/BIGpolygons
> Add Polygon.fromGeoJSON
> -----------------------
>
> Key: LUCENE-7380
> URL: https://issues.apache.org/jira/browse/LUCENE-7380
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: master (7.0), 6.2
>
> Attachments: LUCENE-7380.patch
>
>
> Working with {{Polygon}} is a bit tricky today because you typically
> must use an external dependency to convert e.g. a GeoJSON string into
> Lucene's Polygon class ... I think this is a weakness in our API, and
> it clearly confuses users: http://markmail.org/thread/mpge4wqo7cfqm4i5
> So I created a simplistic GeoJSON parser to extract a single Polygon
> or MultiPolygon from a GeoJSON string, without any dependencies. The
> parser only handles the various ways that a single Polygon or
> MultiPolygon can appear in a GeoJSON string, and throws an exception
> otherwise.
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