TUD Organische Chemie

Immel

Graphics

Povray 3.5

newdiffract

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Example Graphics

(low quality jpg-image only)

Example file (newdiffract.pov):

// Persistence of Vision Raytracer Version 3.5 Scene Description File
// File: newdiffract.pov
// Author: Modified by Chris Huff, original author unknown
// Description: A collection of glass objects, using photons
//and dispersion.
//
//*******************************************

#include "colors.inc"
#include "woods.inc"

#declare Photons = on;

#declare Interior =
interior {
fade_distance 2
fade_power 3
ior 1.45
dispersion 0.1//far outside the usual range, but produces interesting results
dispersion_samples 12
}
#macro PhotonBlock()
#if(Photons)
photons {
target
collect off
reflection off
refraction on
}
#end
#end

#declare Intensity = 20;
#declare L_Fade_Distance = 20;
#declare L_Fade_Power = 2;

#declare Area_Light=off;
#declare ALL = 8;//area light height (width?)
#declare ALW = 8;//area light width
#declare ALR = 6;//area light resolution


global_settings {
assumed_gamma 1
max_trace_level 5
#if(Photons)
photons {spacing 0.02}
#end
}

#default {finish {ambient 0}}

camera {
angle 45
location < 5,-18, 6>
direction < 0, 0, 1.6542>
sky z // Use right handed-system!
up z // Where Z is up
right x*image_width/image_height
look_at < 0, 0,-2.75>
}

light_source {<-50, 100, 65>, color White*Intensity
#if(Area_Light)
area_light x*ALL, z*ALW, ALR, ALR
adaptive 1
jitter
#end
fade_distance L_Fade_Distance
fade_power L_Fade_Power
#if(Photons)
photons {refraction on reflection off}
#end
}

sky_sphere {
pigment {
gradient y
color_map {
[0.0 color Gray10]
[1.0 color Gray30]
}
}
}

#declare GlassTex =
texture {
pigment {color rgbf <1, 1, 1, 1>}
finish {
reflection 0.05
specular 1
roughness 0.001
metallic on
// irid {0.65 // contribution to overall color
// thickness 0.8 // affects frequency, or "busy-ness"
// turbulence 0.1 // Variance in film thickness
// }
}
}

union {
cylinder {<-3,0,0>, <3,0,0>, 0.3}
torus {1, 0.25 rotate z*90}
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate < 0,-5,-0.75>
}

cylinder {<-0.5,0,0>, < 0.5,0,0>, 0.3 translate < 2,-5,-1.7>
texture {GlassTex}
interior {Interior}
PhotonBlock()
}

torus {1.25, 0.25 rotate x*90 translate < 5,-6.5,-1.75>
texture {GlassTex}
interior {Interior}
PhotonBlock()
}

box { <-1, -1, -1>, <1, 1, 1>
texture {GlassTex}
interior {Interior}
PhotonBlock()

scale <3.0, 0.5, 0.5>
translate -1.75*z
rotate x*45
translate -1.5*y
}

sphere { <0,0,0>,1
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate < 5, 3,-1>
}
sphere { <0,0,0>,1
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate <0,3.0, -0.5>
}
sphere { <0,0,0>,1
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate <-3.0, 3.0, -1>
}
cone { 0, 1, -2*z, 0
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate <-4.0, 0.3, 0>
}
cone { 0, 1, -2*z, 0
texture {GlassTex}
interior {Interior}
PhotonBlock()
translate <4.0, 0.3, 0>
}

plane {z, -2
pigment {color Gray60}
}