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Posted to dev@lucene.apache.org by "Ignacio Vera (JIRA)" <ji...@apache.org> on 2017/11/25 10:14:00 UTC
[jira] [Updated] (LUCENE-8066) Another approach to Exact circle
[ https://issues.apache.org/jira/browse/LUCENE-8066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ignacio Vera updated LUCENE-8066:
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Summary: Another approach to Exact circle (was: Another aproach to Exact circle)
> Another approach to Exact circle
> --------------------------------
>
> Key: LUCENE-8066
> URL: https://issues.apache.org/jira/browse/LUCENE-8066
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Ignacio Vera
> Attachments: LUCENE-8066.patch
>
>
> Hi [~daddywri],
> I was thinking in the limitation of convexity for circle planes and I worked out another approach that overcome this limitation. There is a condition, circle lanes must contain the center of the circle which is probably always true for planets like WGS84 which are not too far from the sphere.
> The idea is create a short of polygon for every slice using the center of the circle (like an orange) and therefore you can treat them separately. I attached what I developed, it seems to pass all tests regardless of the radius.
> Let me know what you think and if I am missing something.
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