File:Gnomon--21juin.gif
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Gnomon--21juin.gif (320 × 240 pixels, file size: 63 KB, MIME type: image/gif, looped, 32 frames, 6.4 s)
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Summary
DescriptionGnomon--21juin.gif |
English: gnomon (povray simulation - a day at latitude=50N) |
Date | |
Source | Own work |
Author | Xofc |
C'est l'un des cadrans les plus anciens qui existe dans l'histoire. Surement l'un des premiers. Pas loin des premiers en tout cas. (!!!!!A-R.s.!!!!!!)
Povray code
#declare Latitude=50; global_settings { assumed_gamma 1.5 noise_generator 2 } light_source { // hauteur du Soleil // <5000, -5000*sin(23*3.141592/180), 0>, rgb <1, 1, 1> // decembre <5000, 0, 0>, rgb <1, 1, 1> // mars/septembre // <5000, 5000*sin(23*3.141592/180), 0>, rgb <1, 1, 1> // juin rotate <0,clock,0> rotate <0,0,90-Latitude> } //---------------- cylinder { <0,0,0>, <0,4,0>, 0.2 pigment { rgb <1,0,0> } } sphere { <0,4,0>, 0.5 pigment { rgb <1,0,0> } } cylinder { <0,0,0>, <0,0.2,0>, 20 pigment { rgb <1,1,0> } } camera { perspective location <15, 9, 3> look_at <0, 4, 0> }
.ini file (povray 3.5)
; Persistence Of Vision raytracer version 3.5. Antialias=On Antialias_Threshold=0.3 Antialias_Depth=3 Input_File_Name=gnomon.pov Initial_Frame=1 Final_Frame=32 Initial_Clock=-120 Final_Clock=180 Cyclic_Animation=on Pause_when_Done=off
File generation
povray +ua gnomon.ini convert -delay 20 -loop 0 -dispose Previous gnomon*.png gnomon.gif
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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6 October 2008
image/gif
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:29, 6 October 2008 | 320 × 240 (63 KB) | Xofc | {{Information |Description={{en|1=gnomon (povray simulation - a day at latitude=50N)}} |Source=Own work by uploader |Author=Xofc |Date=6oct2008 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> Category:Sundials [[Category:Po |
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