RE: trees?

  • From: "Homme, James" <james.homme@xxxxxxxxxxxx>
  • To: "programmingblind@xxxxxxxxxxxxx" <programmingblind@xxxxxxxxxxxxx>
  • Date: Wed, 20 Oct 2010 11:35:52 -0400

Hi Alex,
Get a box of crayons and a crayon sharpener. Get a screen. Get some big paper. 
Draw and press hard. Don't break the points on the crayons. It works great.

Jim

Jim Homme,
Usability Services,
Phone: 412-544-1810. Skype: jim.homme
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-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx 
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Hall
Sent: Wednesday, October 20, 2010 10:54 AM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: trees?

In this case, I am talking about a tree os possibilities, where the
root is where you start and each of the root's children can have 0 or
more subtrees of their own... You see why this is so hard to represent
in an accessible way.

On 10/20/10, Phil Vlasak <pcsgames@xxxxxxxxxxx> wrote:
> Hi Alex,
> In an architecture plan, a tree is a circle with a dot at the center. The
> point represents the center of the trunk, and a circle represents the
> average distance the branches reach out.
>
> ----- Original Message -----
> From: "Alex Hall" <mehgcap@xxxxxxxxx>
> To: "programmingblind" <programmingblind@xxxxxxxxxxxxx>
> Sent: Wednesday, October 20, 2010 10:32 AM
> Subject: trees?
>
>
>> Hi all,
>> We are doing trees in an algorithms class I am taking. The assignment
>> coming up is the "n queens" problem, where you have an n by n board
>> and must place n queens on the board such that no two queens share the
>> same row, column, or diagonal line. To "help" explain this, the
>> professor is using a tree on the board. I am completely confused! She
>> says I do not need to think of it in terms of trees, yet the only way
>> she explains it is in tree terms, so I am not sure what she is talking
>> about. Of course I know about trees, but when she tries to explain how
>> the code we are looking at relates to the tree in terms of what the
>> code is supposed to do, I haven't a clue as to what she is trying to
>> say. Does anyone have any thoughts on how to represent trees, whether
>> in braille or speech, or a good notation/substitute for a tree? TIA.
>>
>> --
>> Have a great day,
>> Alex (msg sent from GMail website)
>> mehgcap@xxxxxxxxx; http://www.facebook.com/mehgcap
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>> View the list's information and change your settings at
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--
Have a great day,
Alex (msg sent from GMail website)
mehgcap@xxxxxxxxx; http://www.facebook.com/mehgcap
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