[Nfb-science] Fw: [Blindmath] grayscale braille

[Michael Whapples]

Hello John,
I don't know if you're on the blindmath list, but when I forwarded your 
message the following reply was made. May be you could answer the question.

Michael Whapples

-----Original Message----- 
From: Pranav Lal
Sent: Monday, March 19, 2012 10:58 PM
To: 'Blind Math list for those interested in mathematics'
Subject: Re: [Blindmath] grayscale braille

Hi John,

Can I use this plotting technique for any image? Your example seems to work
only for functions.

Pranav


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