# [BlindMath] 3 Dimensional Graphs

Sabra Ewing sabra1023 at gmail.com
Fri Apr 6 04:11:16 UTC 2018

```There is a program called math tracks that does it. You put in equations and it makes a graph. There is also an app called voice and a computer program called seeing with sound that can translate any picture into sound. Math tracks is a bit better for grass though because you can get information on. Some things. The problem I had in school though was that no one else knew how to use it to create audio graphs so I was just given tactile graphs that I could not read. I was able to understand two dimensional graphs with this set up. But what that means is that I understand them exactly the shape they are so you still cannot get a three-dimensional object that is a two dimensional picture and have me listen to it and understand it. I have been able to make recordings of three-dimensional objects with binaural microphones.

Sabra Ewing

> On Apr 5, 2018, at 1:27 PM, Donald Winiecki via BlindMath <blindmath at nfbnet.org> wrote:
>
> Sabra, what software have you used to convert two-dimensional graphs to
> sound?
>
> _don
>
>
> On Thu, Apr 5, 2018 at 12:47 PM, Sabra Ewing via BlindMath <
> blindmath at nfbnet.org> wrote:
>
>> If you are good with sound editing, I would recommend making 3-D audio
>> recordings of the graphs. There are programs that can import two
>> dimensional pictures and convert them into sound, but maybe you could
>> convert one of these programs to work for three-dimensional items or find a
>> method to do that on your own. You cannot get a three dimensional graph
>> that is actually two dimensional and import it into one of these programs
>> though because it will not work. For example, I cube or just be like a
>> bunch of squares, dotted lines, and diamonds. You would need to use
>> binaural sound and actually make it be three-dimensional. How you would do
>> this, I don't know, but audio really is your best bet. You will be able to
>> understand graphs with a Percision that you will not be able to with a 3-D
>> printer. You will be able to experience graphs as they move around and
>> rotate and change. If you cannot get this method to work, the only other
>> thing I can suggest is to have a reader or assistant look at the graphs and
>> reproduce them with modeling clay and braille labels. Depending on how
>> invested you are, 3-D printers are getting more affordable. I think you can
>> get one for between 500 and \$1000. If I were doing this, I would want a
>> three-dimensional model I could I feel as well as a three-dimensional audio
>> version so that I could listen and feel at the same time.
>>
>> Sabra Ewing
>>
>>> On Apr 5, 2018, at 9:21 AM, Michael Link via BlindMath <
>> blindmath at nfbnet.org> wrote:
>>>
>>> That is exactly my trouble. What an interesting idea.
>>>
>>> Michael
>>>
>>> Sent from my iPhone
>>>
>>>> On Apr 5, 2018, at 4:21 AM, Robin Williams via BlindMath <
>> blindmath at nfbnet.org> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have a friend who has experimented in such matters, particularly
>> making shapes encountered in topology. The main problem with 3D printing
>> appears to be the expense, as one tends to need larger objects depending on
>> the level of detail. It should be possible to produce something relatively
>> cheaply for standard surfaces, though.
>>>> There are R packages available that can readily produce the files
>> needed for 3D printing.
>>>>
>>>> I agree this is worthy of further investigation. Attempting to
>> understand contour plots was certainly one of the most difficult problems I
>>>>
>>>> Bests,
>>>> Robin
>>>>
>>>> -----Original Message-----
>>>> From: BlindMath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of
>> Godfrey, Jonathan via BlindMath
>>>> Sent: 05 April 2018 03:29
>>>> To: Blind Math list for those interested in mathematics <
>> blindmath at nfbnet.org>
>>>> Cc: Godfrey, Jonathan <A.J.Godfrey at massey.ac.nz>
>>>> Subject: Re: [BlindMath] 3 Dimensional Graphs
>>>>
>>>> Hi all,
>>>>
>>>> I'd love to see some more done on creating such graphs using a 3d
>> printer.
>>>>
>>>> I haven't yet had a chance to exercise this interest to date, but
>> creating 3d printer ready image files for statistical graphs is on my to-do
>> list.
>>>>
>>>> Jonathan
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: BlindMath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of
>>>> Sent: Thursday, 5 April 2018 2:10 p.m.
>>>> To: blindmath at nfbnet.org
>>>> Subject: [BlindMath] 3 Dimensional Graphs
>>>>
>>>> Hi All!
>>>>
>>>> I’m an undergraduate mathematics student who is struggling with
>> figuring out the best assistive tech to use for understanding 3 Dimensional
>> graphs.  Do any of you recommend certain programs or devices for graphs in
>> three dimensions?
>>>>
>>>> Thanks!
>>>> Michael
>>>>
>>>>
>>>>
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