File:Truncated octahedra.jpg

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Truncated_octahedra.jpg(256 × 256 pixels, file size: 12 KB, MIME type: image/jpeg)

Summary

Transferred from en.wikipedia to Commons by Maksim.

The original description page was here. All following user names refer to en.wikipedia.

"Tesselation of space using truncated octahedra. See truncated octahedron. Wigner-Seitz cells of bcc.
Created by Andrew Kepert using povray in May 2004. All rights reversed. It is a modification of the povray code I used for the similar image on rhombic dodecahedron."


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Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.

Povray code

 #include "colors.inc"
 #include "math.inc"
 #include "rand.inc"
 
 //#include "truncated_octahedron.povi"
 #declare A=sqrt(3);
 #declare truncoct =
 intersection {
   box { < -2,-2,-2>, <2,2,2> }
   plane { < 1, 1, 1>, A }
   plane { < 1, 1,-1>, A }
   plane { < 1,-1, 1>, A }
   plane { < 1,-1,-1>, A }
   plane { <-1, 1, 1>, A }
   plane { <-1, 1,-1>, A }
   plane { <-1,-1, 1>, A }
   plane { <-1,-1,-1>, A }
   }
 //end of inclusion "truncated_octahedron.povi"
 
 global_settings{ ambient_light White }
 background { color White }
 
 #declare LX = 60;
 #declare LZ = 100;
 light_source { <LX,-LX,LZ> color White}
 light_source { <-LX,LX,LZ> color White}
 light_source { <LX,LX,LZ> color White}
 light_source { <-LX,-LX,LZ> color White}
 
 #declare extent = 3 ;
 #declare i = -extent;
 #while ( i <= extent )
   #declare j = -extent;
   #while ( j <= extent )
   #declare k = -extent;
     #while ( k <= extent )
       #if ( even(i+j) & even(i+k) & ( i+j+2*k<3*extent ) & Prob(0.95, RdmD))
         #declare RCOLOUR = rgb < Rand_Normal( 0.6, 0.2, RdmA ) ,
               Rand_Normal( 0.4, 0.2, RdmB ) ,
               Rand_Normal( 0.6, 0.2, RdmC ) > ; 
         #declare COLANG = rand(RdmA)*2*3.14159;
         object { truncoct
           scale 0.48
           translate < i, j, k >
           texture {
             pigment { color RCOLOUR }
             finish { ambient 0.3 diffuse 0.3 phong Rand_Normal( 0.5, 0.2, RdmC ) }
             }
           }
       #end // if
       #declare k = k+1;
     #end // while k
     #declare j = j+1;
   #end // while j
   #declare i = i+1;
 #end // while i
 
 camera {
   location 28*y
   direction -y
   right 0.4*x
   up 0.4*z
   rotate 20*x
   rotate -30*z
   translate -0.5*z
   }

History

date/time username edit summary
01:51, 10 March 2006 en:User:Tomruen (<a href="/wiki/Category:Honeycomb_image" title="Category:Honeycomb image">Category:Honeycomb image</a>)
07:09, 8 September 2004 en:User:Chmod007 (GFDL)
00:35, 24 May 2004 en:User:AndrewKepert (upload log, povray code)
00:28, 24 May 2004 en:User:AndrewKepert (Tesselation of space using truncated octahedra)

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File history

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Date/TimeThumbnailDimensionsUserComment
current04:09, 15 November 2009Thumbnail for version as of 04:09, 15 November 2009256 × 256 (12 KB)TomruenReverted to version as of 16:48, 18 March 2006
04:51, 28 October 2009Thumbnail for version as of 04:51, 28 October 20091,024 × 1,024 (149 KB)DatumizerBrightened things up a bit.
16:48, 18 March 2006Thumbnail for version as of 16:48, 18 March 2006256 × 256 (12 KB)MaksimLa bildo estas kopiita de wikipedia:en. La originala priskribo estas: Tesselation of space using truncated octahedra. See truncated octahedron. Category:Honeycomb image Created by Andrew Kepert using povray in May 2004
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