File:Blue Unknot Animated.gif
Blue_Unknot_Animated.gif (480 × 480 pixels, file size: 1.44 MB, MIME type: image/gif, looped, 36 frames, 3.6 s)
This is a file from the Wikimedia Commons. The description on its description page there is copied below.
Summary
DescriptionBlue Unknot Animated.gif |
English: The unknot. |
Date | |
Source | File:Blue Unknot.png |
Author |
Original: Jim.belk Animation: MichaelFrey (talk) |
Source
Knot.pov
#include "colors.inc"
background { color White }
global_settings { assumed_gamma 1.0}
camera
{
location <0, 0, -25>
right <1,0,0> up <0,1,0>
look_at <0, 0, 0>
angle 5
}
light_source
{
<0, 20, -50>
color White
area_light <5, 0, 0>, <0, 5, 0>, 10, 10 /* very slow, decrease 10 to 2 for experiments */
adaptive 3
}
#declare R = 0.8;
#declare r_tube = 0.12;
torus
{
R, r_tube // major and minor radius
rotate -90*x // so we can see it from the top
translate <0,0,0.1>
pigment { color rgb <0,0.25,1> }
finish
{
ambient 0.15
diffuse 0.85
brilliance 2
phong 0.25
phong_size 7.5
}
rotate <0,360*clock,0>
}
plane
{
<0,0,-1>, -2.33
pigment { color White }
finish
{
ambient 0.35
diffuse 0.65
}
}
Assembly.inc
;http://www.f-lohmueller.de/pov_tut/animate/anim001d.htm Antialias=Off Antialias_Threshold=0.1 Antialias_Depth=2 Input_File_Name="knot.pov" Initial_Frame=1 Final_Frame=36 Initial_Clock=0 Final_Clock=1 Cyclic_Animation=on Pause_when_Done=off
build.sh
povray Assembly.inc +H480 +W480 +UA convert -dispose previous -delay 10 -loop 0 *.png myimage.gif firefox myimage.gif
Licensing
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
Items portrayed in this file
depicts
27 December 2018
image/gif
d78f30dffa3194c4d1a84d2ba8e43e3df37ed3f9
1,512,239 byte
3.600000000000002 second
480 pixel
480 pixel
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:20, 27 December 2018 | 480 × 480 (1.44 MB) | MichaelFrey | User created page with UploadWizard |
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