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https://issues.apache.org/jira/browse/SOLR-13589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-13589:
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Attachment: SOLR-13589.patch
> Add projectToBorder Stream Evaluator
> -------------------------------------
>
> Key: SOLR-13589
> URL: https://issues.apache.org/jira/browse/SOLR-13589
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: streaming expressions
> Reporter: Joel Bernstein
> Priority: Major
> Attachments: SOLR-13589.patch
>
>
> The *projectToBorder* function is a function that works together with the
> existing *convexHull* function. It takes two parameters:
> 1) A Convex Hull created by the *convexHull* function.
> 2) A matrix of 2D points to project to the border.
> The projectToBorder function then projects each 2D point to the Convex Hull
> border and returns a matrix with these points.
> Using this approach the border of a convex hull can be visualized in
> interesting ways.
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