[accessibleimage] Re: Resend of previous message

Hi John,
Thank you. I like that idea.
That's the next step. Testing
for how intuitive it is. A very
good suggestion.
Best,
Lisa

 




John Gardner wrote:
> 
> Hello listers.  There seem to be some gremlins associated with this
> list.  I sent this message earlier today, but it didn't arrive at the list
> or in Lisa's mailbox.  She suggested resending.  Apparanetly others are
> having trouble making the list work too??
> 
> John
> 
> >Date: Fri, 02 Apr 2004 09:23:05 -0800
> >To: accessibleimage@xxxxxxxxxxxxx
> >From: John Gardner <John.Gardner@xxxxxxxx>
> >Subject: Re: [accessibleimage] Color code
> >
> >Hi Lisa.  My major question about your color suggestion is whether blind
> >readers will find it intuitive enough to be able to learn and then
> >remember so that a few months later they'll be able to tell what color
> >they're feeling.  A lesson from math - One of the major difficulties in
> >reading math braille is that uncommon symbols are difficult to
> >remember.  I always worry about the "intuitiveness" of symbols, and I
> >worry that yours will not be.  Heidi Smart's simple scheme gives less
> >information but at least it's pretty intuitive, and I am confident a blind
> >person can remember what the symbols mean.  Provided they are 
> >English-speakers.
> >
> >Do you know that Ed Anczurowski, the president of Tactile Visions, the
> >Canadian company that developed a nice polymer tactile printing process
> >that makes very nice graphics, began working on tactile graphics in order
> >to test an idea for providing color information?  He is a scientist who
> >knows that any color can be expressed in three primary colors, and his
> >scheme is to produce a tactile pattern in which lines in three different
> >directions tell the intensity of that particular color component?  We've
> >experimented a lot with a similar scheme for Tiger using the variable dot
> >height as an intensity indicator.  Neither Ed nor we have really pushed
> >the idea into a lot of testing to learn about its intuitiveness
> >however.  Anybody who wants to start a big research project to answer
> >questions about how to represent color accurately would probably get a lot
> >of help from Ed or ViewPlus.  Unfortunately, testing intuitiveness of just
> >about anything is a really difficult research project.
> >
> >John
> >
> >
> >
> >
> >At 02:33 AM 4/2/2004, Lisa Yayla wrote:
> >>Dear Colleagues,
> >>
> >>I've had an idea of how to color code information
> >>for use , say, in adapted graphics.  It is a tool that
> >>I thought could be used there.
> >>I am writing hoping to get some feed back on this
> >>idea.
> >>Thanks,
> >>Lisa
> >>
> >>Color coding
> >>
> >>This is a way to convey color information
> >>in an graphic where this is desired.
> >>The idea is to convey information, the idea is not
> >>a way of experiencing color.
> >>This would be useful where one wants to convey
> >>information but have a limited amount of area.
> >>The information is language independent. Therefore
> >>one does not need to translate such things.
> >>
> >>The idea is that the code uses two Braille cells to convey the
> >>information. Two variations, 6 point Braille and 8 point Braille.
> >>Each point  in the first cell has a designated color information.
> >>For 6 point Braille the second cell includes black, white, intensity
> >>information and a marker point.
> >>In 8 point  Braille the second cell is just intensity information and a
> >>marker point.
> >>Two  cells are always used.
> >>In 6 point Braille point 6 of the second cell is always used, as a marker.
> >>In 8 point Braille point 8 of the second cell is always used, as a marker.
> >>
> >>The intensity could also be decided from before using
> >>scales.
> >>
> >>with 6 point
> >>First cell color primary and secondary color
> >>Point 1 is yellow
> >>point 2 is red
> >>point 3 is blue
> >>point 4 is purple
> >>point 5 is green
> >>point 6 is orange
> >>
> >>6 point
> >>Second cell intensity
> >>point 1 is white
> >>point 2 is black
> >>point 3 is light
> >>point 4 is medium
> >>point 5 is dark
> >>point 6 is a marker, and always used
> >>
> >>
> >>With 8 point Braille
> >>First cell color primary and secondary
> >>
> >>point 1 yellow
> >>point 2 red
> >>point 3 blue
> >>point 4 white
> >>point 5 purple
> >>point 6 green
> >>point 7 orange
> >>point 8 black
> >>
> >>8 point Braille
> >>Second cell  intensity (shows grade of intensity, saturation)
> >>point 1 light
> >>point 2 darker
> >>point 3 more dark
> >>point 4 darker than
> >>point 5 darker than 4
> >>point 6 darker than 5
> >>point 7 darker than
> >>point 8 marker point
> >>
> >>Thanks for reading.
> >>Regards,
> >>Lisa
> >>
> >>
> >>Lisa Yayla
> >>Huseby Kompetansesenter
> >>Oslo Norway
> >>lisa.yayla@xxxxxxxxxx
> 
> John A. Gardner
> Professor and Director, Science Access Project
> Department of Physics
> Oregon State University
> Corvallis, OR 97331
> tel: (541) 737 3278
> FAX: (541) 737 1683
>         SAP URL: http://dots.physics.orst.edu/

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