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 CAD / Ray-Tracing / 2556
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Subject: 
Re: Raytracing pearl
Newsgroups: 
lugnet.cad.ray
Date: 
Fri, 20 Jan 2006 19:36:29 GMT
Viewed: 
15776 times
  
In lugnet.cad.ray, Sven Moritz Hein wrote:
> Hi Tim,
> 
> IMHO the suggested color is too coarse (is this the right word?). It needs to be
> more blotchy. My suggestion is:
> 
> 
> #declare Pearl_Light_Gray=
> texture{
> pigment{
> bozo
>     color_map {
>         [0.2 rgb <0.55, 0.55, 0.57>]
>         [0.5 rgb <0.6, 0.6, 0.62>]
> 
> 
>     }
> scale 10
> }
> finish{
> metallic
>     ambient 0.6
>     diffuse 0.5
>     brilliance 3
>     reflection 0.05
>     phong 7
>     phong_size 20
> }
> }
> 
> The "bozo" makes it blotchy - if it looks very strange try changing the "scale".
> I rendered a small model with this color and I'm quite satisfied:
> http://www.brickshelf.com/gallery/smhltec/NCM/pearled.png
> 
> I hope that helps.
> Leg Godt-
> Sven

Hi Sven,

Thank you very much it looks very accurate. I think it's a great improvement and
I'll add it to my colour definitions.

Tim



Message is in Reply To:
  Re: Raytracing pearl
 
Hi Tim, IMHO the suggested color is too coarse (is this the right word?). It needs to be more blotchy. My suggestion is: #declare Pearl_Light_Gray= texture{ pigment{ bozo color_map { [0.2 rgb <0.55, 0.55, 0.57>] [0.5 rgb <0.6, 0.6, 0.62>] } scale 10 (...) (21 years ago, 20-Jan-06, to lugnet.cad.ray)

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