Dynabook Usability

Alan Kay Alan.Kay at squeakland.org
Sun Aug 24 20:30:36 UTC 2003


This is why building prototypes is a good idea. At this point I would 
say "it depends". E.g. how big would the gap be for a particular 
display?

Cheers,

Alan

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At 10:25 AM -0700 8/24/03, Jack Johnson wrote:
>Alan Kay wrote:
>
>>>>  count for all ages. My favorite paper medium (until we can do a real
>>>>  Dynabook) is the Strathmore Sketch Book, which folds to 5.5" * 8.5"
>>>>  and opens to provide a writing and drawing surface that is 11" * 8.5"
>>>>  (in landscape) and for which my measurements and scans of the stuff I
>>>>  put in there would be adequately handled with about 1M pixels (that
>>>>  calculation again) and antialiasing. We could make one of these today
>>>>  with two of the smaller 8" diagonal SVGA displays that are now
>>>>  available pretty inexpensively. It would have a bit of a line/gap
>>>>  running down the center, but so does my paper sketchbook.
>
>If built, would you be tempted to handle the gap as if there should 
>be pixels there to retain size/alignment when dragging/drawing 
>across the gap, or would you handle it as if the gap did not exist 
>and just suffer the visual incongruity?
>
>-Jack


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