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Original file (1,715 × 892 pixels, file size: 224 KB, MIME type: image/png)

 
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Summary

Description
English: The unlink.
Date
Source Own work
Author Jim.belk

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Source

This image was created using POV-Ray for Windows, version 3.6. The image was rendered to an 1800 x 1800 square, using 0.3 anti-aliasing, and then cropped and compressed using pngcrush.

#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 shiny = finish {
    ambient 0.15
    diffuse 0.85
    brilliance 2
    phong 0.25
    phong_size 7.5
    }

#declare r_tube = 0.07;
#declare sep = 1;
#declare R = 0.35;

torus
  {
  R, r_tube              // major and minor radius
  rotate -90*x      // so we can see it from the top
  translate <sep/2,0,0.1>
  pigment { color rgb <0,0,1> }
  finish {shiny}
  }

torus
  {
  R, r_tube              // major and minor radius
  rotate -90*x      // so we can see it from the top
  translate <-sep/2,0,0.1>
  pigment { color rgb <1,0,0> }
  finish {shiny}
  }

plane
  {
  <0,0,-1>, -0.33
  pigment { color White }
  finish
    {
    ambient 0.35
    diffuse 0.65
    }
  }

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28 March 2010

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Date/TimeThumbnailDimensionsUserComment
current02:03, 29 March 2010Thumbnail for version as of 02:03, 29 March 20101,715 × 892 (224 KB)Jim.belk{{Information |Description={{en|1=The unlink.}} |Source={{own}} |Author=Jim.belk |Date=2010-03-28 |Permission= |other_versions= }} Category:Links (knot theory) Category:Images including source code in their description

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