[instaviz-users] Rotated squares aren't diamonds?

[Rick Stahlhut]

I'd certainly have to agree on that.    I wondered why I couldn't seem  
to get a diamond shape, except by accident.

Is there some technical reason why you can't recognize a diamond as a  
diamond?



On Nov 28, 2008, at 11:56 AM, Michael C. Mancini wrote:

> I tried this same test with my parents. I told them they could draw a
> diamond shape, but did not tell them how. They drew it as a 45 degree
> square, with the same results as your mother.
>
> I think the correct behavior would be to accept a 45 degree square as
> a diamond, since this best reflects user intent.
>
> Mike
>
> --
> Michael C. Mancini
> michael.mancini at bme.gatech.edu
>
> Sent from my iPhone
>
> On Nov 28, 2008, at 1:40, Daniel Sachs <dgsachs at nekito.net> wrote:
>
>> Since Glen has indicated it's time to play up Instaviz, I showed it  
>> to
>> my mother and let her play with it a bit. One of the things I saw her
>> do, repeatedly, is try to make a diamond form by drawing a square
>> rotated at 45 degrees, carefully, repeatedly. She expressed
>> frustration that she "clearly" wanted to draw a diamond, and why did
>> it keep drawing a square?
>>
>> I explained that to get a diamond you had to draw a parallelogram,  
>> and
>> showed her how, but she still had trouble drawing something that
>> wasn't recognized as a square.
>>
>> I never really liked the recognition of squares rotated 45 degrees as
>> squares rather than diamonds myself, but watching a reasonably
>> intelligent potential user struggle with this when the intent is  
>> quite
>> obvious seemed like something that should be brought up and  
>> discussed.
>>
>> Is recognizing 45 degree rotated squares as squares rather than
>> diamonds the right thing to do?
>>
>> dan
>>
>> -- 
>> | Daniel Grobe Sachs      <dgsachs at nekito.net> |
>> | The time is gone, the song is over, thought  |
>> |        I'd something more to say...          |
>>
>>
>>
>>
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