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Possible Duplicate:
How is the default user avatar generated?

Geometric designs are automatically generated for each user. I know the designs are gravatars, but what is the algorithm they're generated with?

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migrated from Jul 31 '09 at 21:01

This question came from our site for professional and enthusiast programmers.

marked as duplicate by Pops, Time Traveling Bobby, AakashM, Al E., Bart Sep 26 '12 at 13:17

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

See Also, belongs on meta. – Greg Hewgill Jul 31 '09 at 20:57
It's called a gravatar and if you don't have one registered, I believe it uses your IP address to generate one. Check – tvanfosson Jul 31 '09 at 20:58
up vote 2 down vote accepted

Gratuitous Friday afternoon analysis of Gravatar images used by page 1 of /users on MSO:

                        :    .    |    .    |
Photograph of a human   :*************** 15
Photograph of an animal :** 2
Cartoon of a human      :***** 5
Cartoon of an animal    :*** 3
Other cartoon           :* 1
Other abstract image    :*** 3
"Plain" Gravatar        :***** 5
Unknown (Possibly Jesus):* 1

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Which is the "unknown"? – mmyers Oct 2 '09 at 19:01
If I told you that would spoil the fun! – ベレアー アダム Oct 2 '09 at 19:03
I think Pesto is the's the closest one to being Jesusy. – Thomas Owens Oct 2 '09 at 19:09
Oh, I was looking at SO, not MSO. Whoops. – mmyers Oct 2 '09 at 19:19
Fun, but doesn't answer the question in any way. – Al E. Sep 26 '12 at 13:05

Sadly, migrating this from SO means I can't close it as a dupe to those questions. But here is the answer.

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