Howe_cauldron_kinetic_sculpture_principle.gif


Summary

Description
English: A simplified version of Anthony Howe's kinetic sculpture for the 2016 Rio de Janeiro Summer Olympics cauldron, colour-coded to show its working principle, rendered in POV-Ray.
Source Own work
Author Cmglee

POV-Ray source code

Howe_cauldron_kinetic_sculpture_principle.pov Howe_cauldron_kinetic_sculpture_principle.ini
<source lang="syntaxhighlight" style="height:20em;overflow:scroll;">
  1. declare ARM =
difference {
 union {
  cone     { <0,0,0> 8 <0,140,0> 2 }
  cylinder { <0,160,1> <0,160,-1> 20 }
  sphere   { <0,100,0>  6 }
  sphere   { <0, 50,0> 10 }
 }
 union {
  sphere   { <0,100,5>  5 }
  sphere   { <0, 50,8>  8 }
 }
}
  1. declare ARMS =
union {
 object { ARM                     pigment { rgb <1  ,0.2,0.2> } }
 object { ARM rotate < 90,0,0>    pigment { rgb <0  ,0.5,1  > } }
 object { ARM rotate <180,0,0>    pigment { rgb <0  ,1  ,0  > } }
 object { ARM rotate <270,0,0>    pigment { rgb <1  ,0.8,0  > } }
 cylinder { <25,0,0> <-25,0,0> 10 pigment { rgb <0.5,0.5,1  > } }
}

union {

#local i = 0;
#while (i < 24)
 object { ARMS rotate <(30*i-22.5*clock)/2,0,0> translate <0,200,0> rotate <0,0,15*i> pigment { rgb <0.8,0.8,0.8> } }
 #local i = i + 1;
#end
translate <-80,-70,0>

} camera {

right x * image_width / image_height
location <420,420,420>
look_at  <0,0,0>

} light_source { <0,1,0> color 2 parallel } light_source { <1e3,1e3,1e3> color 1 } </syntaxhighlight>

Antialias=On
Antialias_Threshold=0.1
Antialias_Depth=2

Input_File_Name="Howe_cauldron_knietic_sculpture_principle.pov"

Initial_Frame=0
Initial_Clock=0
Final_Frame=31
Final_Clock=31

Cyclic_Animation=off
Pause_when_Done=off

Debug_File=on

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike
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  • 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.
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 .
You may select the license of your choice.

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