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 17:47:11 GMT
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Viewed:
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1016 times
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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.
Yes, the gripper will be the hard part.
Steve
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Message has 1 Reply:
 | | Re: challenge: LEGO copier
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| (...) 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 (...) (20 years ago, 4-Aug-04, to lugnet.robotics)
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Message is in Reply To:
| | Re: challenge: LEGO copier
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| (...) 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 (...) (20 years ago, 4-Aug-04, to lugnet.robotics)
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