[jira] [Commented] (LUCENE-8066) Another approach to Exact circle

["Karl Wright (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-8066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16265800#comment-16265800 ] 

Karl Wright commented on LUCENE-8066:
-------------------------------------

[~ivera], basically all you did was get rid of the backing plane that I added to deal with the situation where the circle becomes concave.  I honestly don't know how that could work.  Otherwise it looks identical (functionally) to the existing code.  Why do you think the backing plane was unnecessary?




> 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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