File:Sierpinski triangle.svg
Size of this PNG preview of this SVG file: 692 × 599 pixels. Other resolutions: 277 × 240 pixels | 554 × 480 pixels | 887 × 768 pixels | 1,182 × 1,024 pixels | 2,364 × 2,048 pixels | 1,024 × 887 pixels.
Original file (SVG file, nominally 1,024 × 887 pixels, file size: 3 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
This plot was created with Matplotlib.
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.
Attribution: Beojan Stanislaus
- 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 |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:12, 4 March 2013 | | 1,024 × 887 (3 KB) | Perhelion | rev: unnecessary excessive code, used original code |
| 10:23, 2 August 2012 |  | 720 × 540 (3.61 MB) | Renamed user 5zaev7b64wx8mg6ty | remove axes | |
| 15:51, 1 August 2012 |  | 720 × 540 (4.35 MB) | Renamed user 5zaev7b64wx8mg6ty | Fully remade image | |
| 07:12, 8 June 2012 |  | 1,774 × 1,536 (3 KB) | OgreBot | (BOT): Reverting to most recent version before archival | |
| 07:12, 8 June 2012 |  | 1,774 × 1,536 (3 KB) | OgreBot | (BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2007-10-21 06:40:53 by Marco Polo | |
| 07:12, 8 June 2012 |  | 1,774 × 1,536 (3 KB) | OgreBot | (BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2007-10-21 06:39:47 by Marco Polo | |
| 08:35, 30 December 2009 |  | 1,774 × 1,536 (3 KB) | Tgr | ((BotMoveToCommons|en.wikipedia|year=((subst:CURRENTYEAR))|month=((subst:CURRENTMONTHNAME))|day=((subst:CURRENTDAY)))) == Summary == Recursive algorithm for generation == Licensing == ((PD-self|date = October 2007)) == Original upload history == This fi |
File usage
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Metadata
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license.
Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license.
Credit:
(see original file).
