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https://issues.apache.org/jira/browse/GEOMETRY-142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17449200#comment-17449200
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Matt Juntunen commented on GEOMETRY-142:
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Welcome, [~kinow]! The more, the merrier :-)
> Point Set/Map
> -------------
>
> Key: GEOMETRY-142
> URL: https://issues.apache.org/jira/browse/GEOMETRY-142
> Project: Apache Commons Geometry
> Issue Type: New Feature
> Reporter: Matt Juntunen
> Priority: Major
>
> It would be very useful to have set and map implementations that accepts
> points and vectors as keys and use "fuzzy" look up logic, where values are
> compared using a precision context. This would have uses in a number of
> situations, including the implementation of GEOMETRY-110.
> Options for the implementation of such classes include
> * BSP trees (as already implemented)
> * k-d trees
> * quadtrees/octrees
> * r-trees
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