POV-Ray : Newsgroups : povray.binaries.images : Overlapping media problems Server Time
18 Nov 2024 08:15:21 EST (-0500)
  Overlapping media problems (Message 1 to 3 of 3)  
From: Flux
Subject: Overlapping media problems
Date: 9 Sep 2002 15:45:55
Message: <1103_1031600679@news.povray.org>
I'm kinda new to making "good" media effects, and after looking at the Media Sky
animation by Thies Heidecke, I was once again inspired to try 
a media sky image.  The only problem I'm having is what to do at the horizon.  Since
I'm using a sphere within a sphere model, I can't just use 
"fog" as an internal Povray effect.  I figure I need to creat another sphere for the
fog effect.  So, the trouble I'm running into is that, 
seen from the "ground" sphere, I can't see through the "fog" sphere to see the "sky"
sphere.  Pictures attached show what I'm talking about.  
First image shows scene without "fog" sphere.  Second is with.

Also, I can't see my "sun" sphere behind the "sky" sphere.  I guess it's really all
the same question, but what am I missing?  How can I make a 
media sphere transparent in order to see through it?


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Attachments:
Download 'planetsurface.png' (6 KB) Download 'planetsurface1.png' (5 KB)

Preview of image 'planetsurface.png'
planetsurface.png

Preview of image 'planetsurface1.png'
planetsurface1.png


 

From: Marc Jacquier
Subject: Re: Overlapping media problems
Date: 9 Sep 2002 17:04:19
Message: <3d7d0cd3@news.povray.org>

1103_1031600679@news.povray.org...
> Also, I can't see my "sun" sphere behind the "sky" sphere.  I guess it's
really all the same question, but what am I missing?  How can I make a
> media sphere transparent in order to see through it?
>
Ahem, tell me if I'm wrong but did you use transmit 1 in your pigments?
Marc


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From: Mick Hazelgrove
Subject: Re: Overlapping media problems
Date: 10 Sep 2002 02:02:14
Message: <3d7d8ae6@news.povray.org>
Or the hollow keyword? I'm always forgeting that!

Mick


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