POV-Ray : Newsgroups : povray.newusers : angle of incidence of rays of light : Re: angle of incidence of rays of light Server Time
12 Aug 2022 01:56:14 EDT (-0400)
  Re: angle of incidence of rays of light  
From: Jim Holsenback
Date: 23 Sep 2018 10:24:46
Message: <5ba7a22e$1@news.povray.org>
On 9/23/18 10:18 AM, Jim Holsenback wrote:
> On 9/23/18 9:20 AM, ttyUSB0 wrote:
>> I have a material that creates a shadow of varying density, depending 
>> on the
>> angle to the direction of the light rays.
>> Is it possible to specify a variable transmission of light through the 
>> surface,
>> depending on the angle of light rays incidence?
> sure povray does that ... check out ior to characterize the interior of 
> your material. have a look in the docs Reference->Scene File 
> Extras->Include Files you'll see ior mentioned in a couple of places. 
> look in glass.inc and you'll see how to put together a material 
> definition. transmit and filter in pigment is worth looking at...povray 
> has subsurface light transport too

oh objects can also have interior media too...start at 
Reference->Special Effects->Media

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