POV-Ray : Newsgroups : povray.general : ARCI (A Really Cool Idea) by Lance Birch ;-) : Re: ARCI (A Really Cool Idea) by Lance Birch ;-) Server Time
12 Aug 2024 07:25:23 EDT (-0400)
  Re: ARCI (A Really Cool Idea) by Lance Birch ;-)  
From: ingo
Date: 11 Apr 1999 10:12:24
Message: <37109fb8.0@news.povray.org>
Lance Birch heeft geschreven:
>Opacity and transparency are messures of the same thing... (not to be
>confused with transmission of course)  For example, you can give a texture
a
>transmission of 50%, and no matter how thick the object is, a certain
amount
>of light (50%) will always go through it... give it 5%, the object can be 1
>unit or 1000000 units thick and 5% of the light will still get through.

>What translucency does is affect the amount of light that can get through
>based on the ray depth and also changes the color of the object based on a
>density bias multiplier, applying this to the normal based surface
lighting.


That's what I meant with translucent is not glass clear (wrong choise of
words).

>The important thing to remember is that the translucency must be object
>surface normal independant to get the right effect... (only later is it
>applied to the surface normal dependant shader)...

So, an interior statement instead of finish?
(media, Mie-scattering, fade_distance, I'll give it a try)


>Did any one get that or did I just make it more confusing?

All clear.

ingo
--
Met dank aan de muze met het glazen oog.


Post a reply to this message

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