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On 23 May 2008 15:41:43 -0400, Warp <war### [at] tag povrayorg> wrote:
> Maybe something along the lines of:
Thanks Warp I found your post from 2003
Subject: Should the sky_sphere tutorial be changed?
--
Regards
Stephen
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On Fri, 23 May 2008 15:38:13 -0400, Alain <ele### [at] netscapenet>
wrote:
>Unless you are at the center of a free floating bubble of air.
That's a though, for later :)
Thanks Alain
--
Regards
Stephen
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On Fri, 23 May 2008 16:35:12 -0300, Nicolas Alvarez
<nic### [at] gmailcom> wrote:
>
>http://f-lohmueller.de/pov_tut/backgrnd/p_sky1.htm
Thanks Nicolas I'll study it
--
Regards
Stephen
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Jan Dvorak wrote:
> -such object will probably be traced by every ray. This has performance
> implications of using complicated objects (an unlikely need)
One of my models, in its original form, used several dozen objects that
were each made by intersecting twenty-six plane objects. Each such
object was an infinite object. Putting a bound around each of them
reduced rendering times by quite a bit, and when I turned them into mesh
objects rendering speeded up even more.
Regards,
John
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Stephen <mcavoysAT@aolDOTcom> wrote:
> I've just noticed that if I scale a sphere by 10000 it becomes an
> infinite object. Are there any implications to this?
> --
>
> Regards
> Stephen
I have also noticed this, have a look at:
http://news.povray.org/povray.general/thread/%3Cweb.486eb68c12970251c5bb7070%40news.povray.org%3E/
The limit I found was 2715 across, or a radius of 1358. Below this, the object
is finite. As Jan Dvorak pointed out, it's probably related to number
precision.
H
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