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1 Nov 2024 03:16:49 EDT (-0400)
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From: Kenneth
Subject: mysterious 'infinite object' message
Date: 18 Mar 2018 20:10:01
Message: <web.5aaeff62565a1289a47873e10@news.povray.org>
I happened to be looking at the message pane, after rendering a typical scene
that includes only a single infinite object in it (a plane). Surprisingly, the
messages said '3 infinite objects' are in the scene. Trying to eliminate
possible causes, I came to this extremely simple result:

// the entire test scene(!)---
#version 3.71; // beta 9
global_settings{assumed_gamma 1.0}
sphere{0,1 scale 1358}
-----

At this scale (and larger), the message pane reports an infinite object! At
scale 1357, NO infinite object.

My first thought was, it must be an auto-bounding problem when using a
particular Bounding_Threshold. But no luck; that doesn't change it.

Yes indeed, very mysterious. Maybe the POV-Ray 'universe' shrunk down in size
while I wasn't looking :-P


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From: clipka
Subject: Re: mysterious 'infinite object' message
Date: 18 Mar 2018 21:14:53
Message: <5aaf0f0d$1@news.povray.org>
Am 19.03.2018 um 01:08 schrieb Kenneth:
> #version 3.71; // beta 9
> global_settings{assumed_gamma 1.0}
> sphere{0,1 scale 1358}

v3.7.0 also does this.

Weird.


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From: clipka
Subject: Re: mysterious 'infinite object' message
Date: 18 Mar 2018 21:58:17
Message: <5aaf1939@news.povray.org>
Am 19.03.2018 um 02:14 schrieb clipka:
> Am 19.03.2018 um 01:08 schrieb Kenneth:
>> #version 3.71; // beta 9
>> global_settings{assumed_gamma 1.0}
>> sphere{0,1 scale 1358}
> 
> v3.7.0 also does this.
> 
> Weird.
> 

Currently, an object is considered infinite if its bounding box exceeds
a volume of 2.0e+10.


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