POV-Ray : Newsgroups : povray.general : ATARI'09 Christmas : Re: ATARI'09 Christmas Server Time
30 Jul 2024 02:27:08 EDT (-0400)
  Re: ATARI'09 Christmas  
From: Alain
Date: 4 Dec 2009 14:09:29
Message: <4b195e69@news.povray.org>

> Hi,
> 
> Christian Froeschlin writes :
>> Francois LE COAT wrote:
>>> This kind of flash/highlight is obtained with the glossy effect. You
>>> can also see it with <http://eureka.atari.org/doc/images/eureka.jpg>
>>>
>>> I wondered sometimes if it's not a kind of rendering bug with POV-Ray.
>>
>> Not impossible, but more likely it's just doing what you specify
>> in the scene ;) With glossy effect, do you mean a phong or specular
>> finish, or some form of actual reflection?
> 
> Here is the sky dome :
> 
> object {
>     sphere {<0,0,0>,150}
>     texture {
>     pigment {color red 0.435 green 0.918 blue 0.945}
>     finish {phong 1 phong_size 300 reflection 0.13}
>         }
>     }
> 
> for <http://eureka.atari.org/walking.mov> That's in the "finish".
> 
>> If you apply a glossy
>> to the sky itself unrealistic results are to be expected as a
>> real sky just doesn't reflect much light.
> 
> Of course ! It's an imaginary world.
> 
> Many thanks for the comments. You're welcome.
> 
> Regards,
> 

Phong highlight in the sky and reflection, just not possible in the real 
world.

If it's an imaginary world, then, there is nothing preventing the "sky" 
from actualy having a solid surface.... And that surface can be reflective.



Alain


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.