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From "Matt Juntunen (Jira)" <>
Subject [jira] [Commented] (GEOMETRY-32) BSPTree Updates
Date Mon, 07 Oct 2019 01:45:00 GMT


Matt Juntunen commented on GEOMETRY-32:


Continuing to make progress here. Spherical 1D is now done and I have the 2D point, hyperplane,
and transform classes done with the remaining classes stubbed out for the most part. Home

> BSPTree Updates
> ---------------
>                 Key: GEOMETRY-32
>                 URL:
>             Project: Apache Commons Geometry
>          Issue Type: Improvement
>          Components: core
>            Reporter: Matt Juntunen
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
> The following updates should be made to the BSPTree class:
> - add an {{isLeaf()}} method to replace all of the {{node.getCut() == null}} expressions
> - add unit tests
> _Edit [2019-02-17]:_
> Additional goals:
> - Refactor the API to split the idea of a general BSPTree and a BSPTree used for defining
in/out regions. This could result in a BSPTree interface and a RegionBSPTree interface. The
goal here is to allow end-users to create their own extensions of these classes and specialize
them for their own applications (for example, to implement spatial sorting or other algorithms).
This will be one of the only planned extension points in the library.
> - Make the API easier to use and extend and reduce the necessity of casting (especially
unchecked casting) as much as possible.
> - Add the idea of convex subhyperplanes to allow for more efficient tree construction.

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