|
 |
"Bob H."
<per### [at] aol com?subject=PoV-News:%20&body=Relating%20to%20POV-Ray:>
wrote in message news:3a790b10$1@news.povray.org...
> Always. Except this is not an entirely simplistic render to me. Looks
like
> media used for the white semi-spiral shapes but it plays tricks on the
eyes.
The white semi-spiral effect is caused by a density map
look at the scource below (povray 3.1 G).
Ambis
-----------------------------
camera {
location <2,2,2>
look_at <0,0,0>
}
light_source {<2,2,2>,rgb 2}
/*xxxxx Textures & color maps EP 1-3 xxxxxxxxxxx */
/*--------------------------- */
#declare Ep1_map =
color_map {
[0.00 rgbt <0,0,0,1>]
[0.75 rgbt <0,0,0,1>]
[0.85 rgbt <0,0,1,.5>]
[1.00 rgbt <0,0,1,0>]
}
#declare Ep1 =
texture {pigment {
spiral1 1
scale 1
turbulence .0
color_map { Ep1_map }
}}
/* ------------------------ */
#declare Epfinish =
texture {
pigment {rgbt <0,0,0,1>}
finish { ambient 0 diffuse 0 }
}
#declare Etexture =
texture {Ep1}
texture {Epfinish}
/*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
/* media part */
#declare Emedia =
media {
file://absorption <.3,.3,0>
file://emission 1
scattering {1,rgb 1}
intervals 10
samples 4,4
density {
spiral1 1 ramp_wave
turbulence 0
density_map {
[ 0.00 rgb 0 ]
[ 0.25 rgb .5 ]
[ 0.50 rgb 0 ]
[ 1.75 rgb .5 ]
[ 1.00 rgb 0 ]
}
} }
/*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
#declare EMaterial =
material {
texture { Etexture }
interior { media {Emedia}}
}
/*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
sphere { <0,0,0>,1
material { EMaterial }
hollow
}
Post a reply to this message
|
|
