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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Thu, 5 Aug 2004 01:32:19 GMT
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Original-From:
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T. Alexander Popiel <popiel@wolfskeep/antispam/.com>
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Viewed:
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979 times
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In message: <joe-1F3679.19164204082004@lugnet.com>
Joe Strout <joe@strout.net> writes:
>
> That parts trickier than you make it sound, I think. You may have a
> part in the third row (up in Y) which is not connected to anything in
> rows 1 or 2; it's only connected to the model via bricks in row 4, which
> you haven't done yet.
Ah, hmm, I was expecting it to be a continuous fabric, not a holey
one. That would make it harder, and in fact makes it even more
important to not confuse neighboring pieces of the same color
(otherwise you could lose structural integrity by using pieces such
that there's no interconnection side-to-side).
Imagine an input model (all red):
studs: 1 2 3 4 5 6 7 8
<------><------>
<--><------><-->
<------><------>
<--><------><-->
<------><------>
That holds together. If you don't pay attention to the boundaries,
you might end up building the following instead:
<------><------>
<------><------>
<------><------>
<------><------>
<------><------>
That _doesn't_ hold together.
- Alex
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Message has 1 Reply:
 | | Re: challenge: LEGO copier
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| (...) Except that this is a problem pretty easily solved in code -- it's not necessary that the robot choose the same solution the original builder did; it's only necessary that it choose a solution that works. A robot that copies only continuous (...) (20 years ago, 5-Aug-04, to lugnet.robotics)
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Message is in Reply To:
| | Re: challenge: LEGO copier
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| (...) Yes, but not arbitrarily -- there would be some limit in width (Y) and height (Z), in order for the model to fit into the machine. (...) Yes, that's a much harder problem, which is why I was thinking to limit it to a thickness of one in X. (...) (20 years ago, 5-Aug-04, to lugnet.robotics)
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