POV-Ray : Newsgroups : povray.newusers : How to make shiny white : Re: How to make shiny white Server Time
5 Sep 2024 02:17:10 EDT (-0400)
  Re: How to make shiny white  
From: Ace
Date: 20 Dec 2001 07:49:13
Message: <3c21de49@news.povray.org>
Hershel Robinson <her### [at] yahoocom> wrote in message
news:3c20b707@news.povray.org...
>
> Well, yes and no.  You did make the white sphere shiny, which looks
> fabulous.  Due to the radiosity, however, it also now reflects the green
> sphere.  When seen with the whole scene, this does not look so great,
IMHO.
>
> Is it possible to achive the shininess of the white sphere without this?
>
> Thanks,
> Hershel
>
> PS: If you'd like to see, this is the current scene in full:
>
nice scene, well all the radiosity does is make them glow a little,
what I added was:  reflection {2.0 22.0} to the white sphere,
try adding    no_reflection to the green spheres{1}I removed the radiosity
from this example.

Does that help?
Gary

P.s. What is it?

{1} like this:
#include "colors.inc"

#declare Width=6;
#declare LightX=27;
#declare LightZ=-30;

#declare SphiraCamera =
   camera { location <0,0,-9>
            look_at <0,2,0>
}

camera {SphiraCamera}

sky_sphere {
      pigment{ color Black } file://rgb <1,.1,.1>}
}

// main light
/*light_source {
    <LightX, 30, LightZ>
    color White
}
light_source {
    <LightX, 30, LightZ>
    color White * .9
}*/
// end main light

#declare sphira =
   sphere { <0,0,0>,1.2
      no_shadow
   }

// keter
object {
   sphira
   texture {
      pigment { color rgb<.9, .9, .9> }
      finish  {
         diffuse 0.6
         ambient 0.4
         phong 1
         phong_size 20
      reflection {
      2.0
      22.0

    }
}
   }
   translate 6*y
}
// bina
object {
   sphira
   texture {
      pigment { color rgb<0, 1.0, 0> }
      finish  {
         diffuse 0.6
         ambient 0.2
         phong 1
         phong_size 60
      }
   }
   translate <-1*Width,4>
no_reflection}

 object {
   sphira
   texture {
      pigment { color rgb<0, 1.0, 0> }
      finish  {
         diffuse 0.6
         ambient 0.2
         phong 1
         phong_size 60
      }
   }
   translate <5,0,4>
no_reflection}



light_source {
  0*x
  color rgb 1.0
  area_light
  <8, 0, 0> <0, 0, 8>
  4, 4
  adaptive 0
  jitter
  circular
  orient
  translate <40, 80, -40>
}



/*global_settings {
  radiosity {
    pretrace_start 0.08
    pretrace_end   0.04
    count 35
    nearest_count 5
    error_bound 1.8
    recursion_limit 3
    low_error_factor .5
    gray_threshold 0.0
    minimum_reuse 0.015
    brightness 1

    adc_bailout 0.01/2

  }
}*/


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