A synthetic white snowflake design with strong hexagonal symmetry on black background.

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1. Embed this notice
   Andrew Baldwin (baldand@mstdn.thndl.com)'s status on Tuesday, 03-Dec-2024 23:19:01 JST Andrew Baldwin

   # December 3rd #python doodle
   # a different snowflake each time you run it
   from PIL import Image
   import numpy as n
   p=n.pi/6
   rn=n.random.random
   l=n.linspace(-0.5,0.5,1024)
   x,y=n.meshgrid(l,l)
   t=((n.atan2(x,y)+p)%(2*p))-p
   r=n.sqrt(x*x+y*y)
   x=n.abs(r*n.sin(t))
   y=r*n.cos(t)-x*n.sin(p)
   sf=255*((y<0.38)&(x<.01))
   a=0.0
   while a<0.4:
   b=0.1
   for j in range(10,0,-1):
   sf+=137*((n.abs(y-a)<j*.002)&(x<(0.21-abs(0.2-a))*b))
   b+=rn()*.1
   a+=(rn()**2)*.05
   Image.fromarray(sf.astype('B')).save("sf.png")