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https://issues.apache.org/jira/browse/LUCENE-6578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14604002#comment-14604002
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David Smiley commented on LUCENE-6578:
--------------------------------------

bq. Why not support both? The current strategy is eminently extensible, which 
is what I like about it.

Sure; +1.

bq. I construed this as a generic "internal distance" method, which is how it's 
used in my employer's application. Removing the genericism would bust that 
application. So I prefer to leave this the way it is, thanks.

Okay; this can be handled with javadocs that explain how this shape implements 
computeDistance.

I went to apply your patch but ran into some issues in doing so:
* The patch shows a class was renamed (GeoBaseShape to BasePlanetObject), yet 
the patch's reference to the file does so in a way that doesn't seem right.  
The "Index:" line should show the old name, the "---" line should also show the 
old name, and the "+++" line should show the new name.  In your patch, all 3 
have the old name.  This definitely confused IntelliJ, and I expect it would 
confuse ReviewBoard too. I hand-edited the patch to change the first two to the 
old name and that worked.  How are you generating the patch?
* The patch shows GeoBaseMembershipShape (newly added) as extending 
GeoBaseShape, yet that can’t be since GeoBaseShape should now be named 
BasePlanetObject.  I hand edited it to be BasePlanetObject; but this didn't 
give me a warm and fuzzy that this patch file is ready for me to work with. ...
* GeoCircle.getBounds couldn't figure out how to call super.getBounds because 
there is no superclass implementing that method, just the interface.

Can you provide a better patch Karl?  Was your code compiling at the time you 
generated the patch?

> Geo3d: arcDistanceToShape() method may be useful
> ------------------------------------------------
>
>                 Key: LUCENE-6578
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6578
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/spatial
>            Reporter: Karl Wright
>         Attachments: LUCENE-6578.patch, LUCENE-6578.patch
>
>
> I've got an application that seems like it may need the ability to compute a 
> new kind of arc distance, from a GeoPoint to the nearest edge/point of a 
> GeoShape.  Adding this method to the interface, and corresponding 
> implementations, would increase the utility of the package for ranking 
> purposes.



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