POV-Ray : Newsgroups : povray.advanced-users : Galaxy-include and transparent universe Server Time
31 Oct 2024 21:25:27 EDT (-0400)
  Galaxy-include and transparent universe (Message 1 to 3 of 3)  
From: virtualtom
Subject: Galaxy-include and transparent universe
Date: 9 Nov 2004 18:20:01
Message: <web.41914ca8c7ffcad8e2d30f010@news.povray.org>
I'm using POV 3.6 and the Galaxy-include(s) by Chris Colefax. It worked well
with POV 3.5, but now I don't get any black background - instead what makes
a galaxy (space) is placed on a [white|grey]-squared background... seems
transparent, I guess. Why?

How can I get back a background which looks a little bit more realistic...
e.g. black? I know that the universe is transparent for any kind of rays
since app. 14 billion years, but it doesn't look very nice if rendered. ;-)

Or is it that I'm switched to WinXP recently? 8-O

Thanxalot!

Tom


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From: The Pete
Subject: Re: Galaxy-include and transparent universe
Date: 9 Nov 2004 18:40:04
Message: <41915554$1@news.povray.org>
Somewhere in your include file you've got output_alpha set  to on. If you 
switch off alpha output then you get your classic black background.

The grey white squares are showing the transparent parts of the image file.

-Pete

"virtualtom" <vir### [at] webde> wrote in message 
news:web.41914ca8c7ffcad8e2d30f010@news.povray.org...
> I'm using POV 3.6 and the Galaxy-include(s) by Chris Colefax. It worked 
> well
> with POV 3.5, but now I don't get any black background - instead what 
> makes
> a galaxy (space) is placed on a [white|grey]-squared background... seems
> transparent, I guess. Why?
>
> How can I get back a background which looks a little bit more realistic...
> e.g. black? I know that the universe is transparent for any kind of rays
> since app. 14 billion years, but it doesn't look very nice if rendered. 
> ;-)
>
> Or is it that I'm switched to WinXP recently? 8-O
>
> Thanxalot!
>
> Tom
>
>
>
>


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From: virtualtom
Subject: Re: Galaxy-include and transparent universe
Date: 9 Nov 2004 19:15:00
Message: <web.41915d46873ff879e2d30f010@news.povray.org>
"The Pete" <qfy### [at] dcommsnet> wrote:

> Somewhere in your include file you've got output_alpha set  to on. If you
> switch off alpha output then you get your classic black background.

It's unbelieviable! You're right!
Thank you very very much for your fast(!) answer! You saved my life! 8-D

Tom


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