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https://issues.apache.org/jira/browse/LUCENE-6196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491694#comment-14491694
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Karl Wright commented on LUCENE-6196:
-------------------------------------
Hi David,
Your test fails because it is trying to define shapes using lat/lon in degrees.
geo3d uses radians for everything.
Also, when I apply the patch to current lucene trunk, I get 10 build errors.
Looks like the lucene javadoc settings are blowing up the build:
{code}
[javac]
C:\wip\lucene\lucene\spatial\src\java\org\apache\lucene\spatial\spatial4j\geo3d\GeoConvexPolygon.java:40:
error: bad use of '>'
[javac] * Accepts only values in the following ranges: lat: -PI/2 ->
PI/2, lon: -PI -> PI
[javac] ^
[javac]
C:\wip\lucene\lucene\spatial\src\java\org\apache\lucene\spatial\spatial4j\geo3d\GeoConvexPolygon.java:40:
error: bad use of '>'
[javac] * Accepts only values in the following ranges: lat: -PI/2 ->
PI/2, lon: -PI -> PI
[javac]
^
[javac]
C:\wip\lucene\lucene\spatial\src\java\org\apache\lucene\spatial\spatial4j\geo3d\GeoConvexPolygon.java:56:
error: bad use of '>'
[javac] * Accepts only values in the following ranges: lat: -PI/2 ->
PI/2, lon: -PI -> PI
[javac] ^
[javac]
C:\wip\lucene\lucene\spatial\src\java\org\apache\lucene\spatial\spatial4j\geo3d\GeoConvexPolygon.java:56:
error: bad use of '>'
[javac] * Accepts only values in the following ranges: lat: -PI/2 ->
PI/2, lon: -PI -> PI
{code}
> Include geo3d package, along with Lucene integration to make it useful
> ----------------------------------------------------------------------
>
> Key: LUCENE-6196
> URL: https://issues.apache.org/jira/browse/LUCENE-6196
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/spatial
> Reporter: Karl Wright
> Assignee: David Smiley
> Attachments: LUCENE-6196_Geo3d.patch, ShapeImpl.java,
> geo3d-tests.zip, geo3d.zip
>
>
> I would like to explore contributing a geo3d package to Lucene. This can be
> used in conjunction with Lucene search, both for generating geohashes (via
> spatial4j) for complex geographic shapes, as well as limiting results
> resulting from those queries to those results within the exact shape in
> highly performant ways.
> The package uses 3d planar geometry to do its magic, which basically limits
> computation necessary to determine membership (once a shape has been
> initialized, of course) to only multiplications and additions, which makes it
> feasible to construct a performant BoostSource-based filter for geographic
> shapes. The math is somewhat more involved when generating geohashes, but is
> still more than fast enough to do a good job.
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