File:Sierpinski triangle.svg
Summary
Source code
Python code
from __future__ import division
import matplotlib.pyplot as plt
plt.figure()
plt.subplot(1,1,1)
plt.axis('off')
def drawBlue(p1,p2,p3):
plt.fill([p1[0],p2[0],p3[0]],[p1[1],p2[1],p3[1]],facecolor='b',edgecolor='none')
def drawWhite(p1,p2,p3):
plt.fill([p1[0],p2[0],p3[0]],[p1[1],p2[1],p3[1]],facecolor='w',edgecolor='none')
def midpoint(p1,p2):
return ((p1[0]+p2[0])/2,(p1[1]+p2[1])/2)
def sierpinski(p1,p2,p3,repeat):
drawWhite(midpoint(p1,p2),midpoint(p2,p3),midpoint(p3,p1))
if (repeat <= 8):
sierpinski(p1,midpoint(p1,p2),midpoint(p1,p3),repeat+1)
sierpinski(p2,midpoint(p1,p2),midpoint(p2,p3),repeat+1)
sierpinski(p3,midpoint(p1,p3),midpoint(p2,p3),repeat+1)
drawBlue((0,0),(7,0),(3.5,6.0621778265))
sierpinski((0,0),(7,0),(3.5,6.0621778265),0)
plt.show()
Licensing
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.
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
Transferred to Commons.
| Upload date | User | Bytes | Dimensions | Comment |
|---|---|---|---|---|
| 2007-10-21 06:40:53 | Marco Polo | 2976 | 1774×1536 | typo |
| 2007-10-21 06:39:47 | Marco Polo | 2976 | 1774×1536 | Recursive algorithm for generation |