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File:Blue Unknot.png

From Wikipedia, the free encyclopedia

Povray logo sphere.png
This image was created with POV-Ray.


The unknot.
Source Own work
Author Jim.belk


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.


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 compressed using pngcrush.

#include ""

background { color White }

global_settings { assumed_gamma 1.0}

  location <0, 0, -25>
  right <1,0,0> up <0,1,0>
  look_at  <0, 0, 0>
  angle 5

  <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;

  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> }
    ambient 0.15
    diffuse 0.85
    brilliance 2
    phong 0.25
    phong_size 7.5

  <0,0,-1>, -0.33
  pigment { color White }
    ambient 0.35
    diffuse 0.65
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.