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

Michael Whapples mwhapples at aim.com
Wed Dec 28 16:35:17 CST 2011


Well I will see if it works with the touchpad I have for the IVEO system. 
The IVEO touchpad will respond to a touch by the finger, however I think it 
is pressure activated and so I imagine could work.

Michael Whapples

-----Original Message----- 
From: Richard Baldwin
Sent: Wednesday, December 28, 2011 7:30 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Another way to use the AudioTac feature in 
SVGDraw01

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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