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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEOMETRY-32) BSPTree Updates
Date Mon, 04 Mar 2019 11:35:00 GMT

    [ https://issues.apache.org/jira/browse/GEOMETRY-32?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783276#comment-16783276
] 

Gilles commented on GEOMETRY-32:
--------------------------------

Hi Matt.

Sorry for the delay in replying: I had missed your comment (and perhaps others?).

I'm still a total newbie with BSP. :(
Would it be possible at this point to draft a user guide with usage examples?
Even better would be to accompany it with a "commons-geometry-examples" module.  It would
not be part of the official code but would illustrate common tasks (a.o. loading/saving/manipulating
datasets), and be a playground for further discussion.

WDYT?


> BSPTree Updates
> ---------------
>
>                 Key: GEOMETRY-32
>                 URL: https://issues.apache.org/jira/browse/GEOMETRY-32
>             Project: Apache Commons Geometry
>          Issue Type: Improvement
>          Components: core
>            Reporter: Matt Juntunen
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  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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