POV-Ray: Newsgroups: povray.binaries.images: qtree search results

POV-Ray : Newsgroups : povray.binaries.images : qtree search results		Server Time 3 Nov 2025 21:08:11 EST (-0500)

From: jr
Subject: qtree search results
Date: 16 Jun 2020 10:10:00
Message: <web.5ee8cf4f2458c144d00143e0@news.povray.org>

hi,

the first of two images visualising the results of searching a given area of a
Quadtree for points.

the 'root' area, outlined in red, contains 500 random points, the search area is
outlined in green, matching points in yellow.


regards, jr.

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Attachments:
Download 'qtree_srch_1.png' (29 KB)

Preview of image 'qtree_srch_1.png'

From: jr
Subject: Re: qtree search results
Date: 16 Jun 2020 10:15:01
Message: <web.5ee8d303936ed80b4d00143e0@news.povray.org>

"jr" <cre### [at] gmailcom> wrote:

the second of two.


regards, jr.

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Attachments:
Download 'qtree_srch_2.png' (28 KB)

Preview of image 'qtree_srch_2.png'

From: jr
Subject: Re: qtree search results
Date: 18 Jun 2020 06:50:00
Message: <web.5eeb464b936ed80b4d00143e0@news.povray.org>

"jr" <cre### [at] gmailcom> wrote:
> the first of two images visualising the results of searching a given area of a
> Quadtree for points.
> ...

attached zip contains the work-in-progress 'quadtree.inc' code, and a scene file
demonstrating usage.  no documentation, for now.


enjoy, jr.

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Attachments:
Download 'qtree_demo.zip' (3 KB)