[Blindmath] Another way to use the AudioTac feature in SVGDraw01

Richard Baldwin baldwin at dickbaldwin.com
Wed Dec 28 13:30:34 CST 2011


If the stylus and the drawing pad could stand up to the required pressure,
it should work.

Thanks for the suggestion. Perhaps someone who has a drawing tablet and
some German Film would give it a try and let us know.

Dick Baldwin

On Wed, Dec 28, 2011 at 12:01 PM, Michael Whapples <mwhapples at aim.com>wrote:

> I wonder whether such a system might work with @german film@ for
> producing the tactile drawing?
>
> Michael Whapples
>
> -----Original Message----- From: Richard Baldwin
> Sent: Tuesday, December 27, 2011 11:48 PM
> To: BlindMath Mailing List ; accessibleimage at freelists.org
> Subject: [Blindmath] Another way to use the AudioTac feature in SVGDraw01
>
>
> The program named SVGDraw01 can be downloaded from a link that is published
> at http://www.dickbaldwin.com/
>
> This program is designed to make it possible for the blind and visually
> impaired to draw just about anything that they can imagine.
>
> In addition to making it possible to draw shapes, the program also contains
> a feature that I call AudioTac that marries audio to tactile. Basically,
> the AudioTac feature makes it possible for a person to trace out the
> outline of a shape that is being displayed on the screen using a pair of
> headphones and a mouse or preferably a drawing tablet or touchpad.
>
> Earlier today, I tried an experiment that seemed to work pretty well. I own
> a small inexpensive Wacom brand drawing tablet that requires the use of a
> plastic stylus. In other words, it doesn't respond to human touch. The
> rectangular portion of the drawing tablet can be configured to map to any
> rectangular portion of the screen.
>
> I placed a piece of soft rubbery material (a piece of a yoga pad) on top of
> the drawing pad and placed a sheet of plain printer paper on top of that.
> Then I used the plastic stylus to trace out some shapes that I had drawn.
> As I was tracing out the shapes, I periodically pressed hard enough on the
> stylus to punch through the paper. When I turned the paper over, I had a
> nice tactile outline of the shape produced by punching through the paper
> with the stylus.
>
> This approach could be used both by students who need to confirm their own
> drawings, and by teachers creating tactile material for students. A blind
> or VI student could use the AudioTac feature to position the stylus on the
> paper. A sighted teacher could use either the Instant Display feature or
> the AudioTac feature to visually position the stylus on the paper. Within
> reason, the more frequently you punch through the paper, the better will be
> the tactile representation of the shape.
>
> Obviously, this approach doesn't produce tactile drawings anywhere near the
> quality of a Tiger embosser, but the quality is much better than having no
> tactile drawings at all. And, best of all, the software is free, and the
> cost of a drawing tablet is reasonable.
>
> Dick Baldwin
>
> --
> Richard G. Baldwin (Dick Baldwin)
> Home of Baldwin's on-line Java Tutorials
> http://www.DickBaldwin.com
>
> Professor of Computer Information Technology
> Austin Community College
> (512) 223-4758
> mailto:Baldwin at DickBaldwin.com
> http://www.austincc.edu/**baldwin/ <http://www.austincc.edu/baldwin/>
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-- 
Richard G. Baldwin (Dick Baldwin)
Home of Baldwin's on-line Java Tutorials
http://www.DickBaldwin.com

Professor of Computer Information Technology
Austin Community College
(512) 223-4758
mailto:Baldwin at DickBaldwin.com
http://www.austincc.edu/baldwin/



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