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.!!!!!!)

#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>
	}

; 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

povray +ua gnomon.ini
convert -delay 20 -loop 0 -dispose Previous gnomon*.png gnomon.gif

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