| TUD Organische Chemie | | Immel | | Graphics | | Povray 3.1 | | fadelt2 | | | View or Print (this frame only) |
Example file (fadelt2.pov):
// Persistence Of Vision raytracer version 3.0 sample file.
// File by Chris Young.
// Light distance attenuation example
#version 3.0
global_settings { assumed_gamma 2.2 }
#include "colors.inc"
#declare Dist=27.5
camera{location <0,30,-180> direction 3*z look_at -y*5}
#default {finish{ambient .2}}
atmosphere {
type 1
samples 40 // Number of samples in first distance interval
distance 200 // Atmosphere density, similar to fog
scattering .04 // Reflectivity of atmosphere, determines brightness
aa_level 8 // Level of binary subdivision in case of aa
aa_threshold 0.2 // Threshold for aa to push in
jitter 0.05 // Amount of sample jittering
}
union {
cone {-y*6,2,y,.5 open pigment{White*.85}}
light_source{
0 White spotlight radius 15 falloff 18 point_at -y
area_light x/2,z/2,4,4 adaptive 1 jitter
fade_distance Dist fade_power 0
}
translate <-30,20,0>
}
union {
cone {-y*6,2,y,.5 open pigment{White*.85}}
light_source{
0 White spotlight radius 15 falloff 18 point_at -y
area_light x/2,z/2,4,4 adaptive 1 jitter
fade_distance Dist fade_power 1
}
translate <-10,20,0>
}
union {
cone {-y*6,2,y,.5 open pigment{White*.85}}
light_source{
0 White spotlight radius 15 falloff 18 point_at -y
area_light x/2,z/2,4,4 adaptive 1 jitter
fade_distance Dist fade_power 2
}
translate <10,20,0>
}
union {
cone {-y*6,2,y,.5 open pigment{White*.85}}
light_source{
0 White spotlight radius 15 falloff 18 point_at -y
area_light x/2,z/2,4,4 adaptive 1 jitter
fade_distance Dist fade_power 3
}
translate <30,20,0>
}
plane {y,-22 pigment{White} hollow }
sphere{<-30-6,-20,-4>,2 pigment{White} finish{phong 1}}
sphere{<-10-6,-20,-4>,2 pigment{White} finish{phong 1}}
sphere{< 10-6,-20,-4>,2 pigment{White} finish{phong 1}}
sphere{< 30-6,-20,-4>,2 pigment{White} finish{phong 1}}
sphere{<-30-2,-7.5,-1>,2 pigment{White} finish{phong 1}}
sphere{<-10-2,-7.5,-1>,2 pigment{White} finish{phong 1}}
sphere{< 10-2,-7.5,-1>,2 pigment{White} finish{phong 1}}
sphere{< 30-2,-7.5,-1>,2 pigment{White} finish{phong 1}}
sphere{<-30+2,5,0>,2 pigment{White} finish{phong 1}}
sphere{<-10+2,5,0>,2 pigment{White} finish{phong 1}}
sphere{< 10+2,5,0>,2 pigment{White} finish{phong 1}}
sphere{< 30+2,5,0>,2 pigment{White} finish{phong 1}}
light_source {<-100,100,-250> White*.1 atmosphere off }