Subject:
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Re: challenge: LEGO copier
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 4 Aug 2004 18:27:49 GMT
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Viewed:
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1019 times
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In article <I1xo2n.HID@lugnet.com>,
"Steve Hassenplug" <hassenplug@mail.com> wrote:
> In lugnet.robotics, "T. Alexander Popiel" <popiel@wolfskeep.com> wrote:
> > In message: <joe-C8F8C7.09013204082004@lugnet.com>
> > Joe Strout <joe@strout.net> writes:
> > > The user builds some model (constraints: it must be composed of a 1x1,
> > > 1x2, and 1x4 bricks in a selection of several colors, and must be flat,
> >
> > Ugh. Much harder than it sounds: either the robot needs extreme visual
> > acuity to spot the brick boundaries (so it can tell two 1x2 bricks of the
> > same color end-to-end from a single 1x4 brick... or, more importantly,
> > which order a 1x1 and a 1x4 of the same color are in)
>
> Here's an easy 'rule' you could add to resolve that. Just say that a given
> color may only be used for one size/type of piece. You don't even have to
> specify what colors are used, as long as any color may only represent one
> piece
> type.
>
> To make this challenge a little easier, you could specify a group of pieces &
> their color. Say that the pieces can be used in the 2d model in any way.
> Then, the robot would also have a pre-defined list of pieces.
I wasn't thinking that the bot would have to exactly reproduce which
same-color bricks are used side-by-side -- if I used a two 1x2 bricks,
but the robot chooses to substitute a 1x4 brick, in my mind that's the
same model. We'll just say the robot is improving the user's design. :)
Thus, no great visual acuity or disassembly would be needed, and you
wouldn't have such specific constraints on the available pieces.
That still leaves the little matter of actually assembling bricks, but I
think that may be tractable (especially with well-used bricks that are a
little easier to connect).
- Joe
,------------------------------------------------------------------.
| Joseph J. Strout Check out the Mac Web Directory: |
| joe@strout.net http://www.macwebdir.com |
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Message is in Reply To:
 | | Re: challenge: LEGO copier
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| (...) Here's an easy 'rule' you could add to resolve that. Just say that a given color may only be used for one size/type of piece. You don't even have to specify what colors are used, as long as any color may only represent one piece type. To make (...) (20 years ago, 4-Aug-04, to lugnet.robotics)
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