POV-Ray : Newsgroups : povray.general : Glass and Text Problem : Re: Glass and Text Problem Server Time
31 Jul 2024 04:22:08 EDT (-0400)
  Re: Glass and Text Problem  
From: NightHawk
Date: 19 Oct 2007 14:45:00
Message: <web.4718fa095a721a487be156420@news.povray.org>
Thanks a LOT!!!

"Tim Attwood" <tim### [at] comcastnet> wrote:
> When you layer materials the finishes all contribute.
> Remove the finishes from all but the final top layer.
>
> When you start dealing with glass the back of the
> textures (interior_texture) starts to matter too, the
> rear of things you would normally not see reflect in
> odd places (the rear of a surface is the same
> illumination as the front, which isn't like RL, except
> lamp shades and stuff, especially with high ambients),
> so often it's better just to place text onto a "decal"
> object that sits on the surface.
>
> #include "colors.inc"
> #include "glass.inc"
>
> global_settings {
>    max_trace_level 8
>    assumed_gamma 2
>    ambient_light 0.2
>    max_intersections 128
>    adc_bailout 1/255 }
>
> camera {
>    location <1.2, 3, -2.5>
>    look_at  <0, 0, 0>
>    angle 51
> }
>
> light_source {
>    <0,3,-10>
>    color <1,1,1>*2
> }
>
> light_source {
>    <0,0,10>
>    color <0.2,0.2,1>
>    fade_distance 1
>    fade_power 2
>    shadowless
> }
>
> #declare R1 = text {ttf "timrom.ttf", "Test", 2.4, 0
>   translate <-1.35,0.4,-3> }
>
> #declare GLS = material {
>    texture {T_Glass1}
>    interior {ior 1.2}
> };
>
> union {
>    sphere {<0,0,0>,3
>       material {GLS}
>    }
>    difference {
>       object {R1}
>       sphere {<0,0,0>,3.005 inverse}
>       sphere {<0,0,0>,3}
>       texture {
>          pigment {Gold}
>          finish {
>             specular 0.9
>             roughness 0.01
>             reflection{Gold*.3, 0.9}
>          }
>       }
>    }
>    scale 0.33
> }
>
> plane {y,-1 pigment {checker Brown Tan}}


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