Subject:
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Re: More Speed? Re: Mindstorms 3.0 Wish List
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 5 Nov 2003 16:47:28 GMT
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2370 times
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In lugnet.robotics, John Barnes wrote:
> > This could be addressed on the existing hardware with a better programming
> > environment.
>
> Are you sure? How many square inches are there in a 1600 square foot house? I
> don't think the resulting map array will fit in 32k memory.
There are 230,400 square inches in a 1,600 sq-ft house. But you are assuming
that you cannot somehow compress the information that you are trying to store.
How many chair legs are in your house? Store the location and size of every
obstruction and you don't necessarily need to have one byte (or even one bit)
per square inch to completely map the place out.
The RCX is roughly comparable in computing power (and 4-16 times faster than) my
old Apple ][ computer. Yet I look at the software that I used to run on that
baby. Even some pretty decent chess programs, but how many possible moves are
there on a chess board? Work smarter, not harder.
I'm not saying that it wouldn't be great to have more memory and a faster CPU,
and I imagine that this is a foregone conclusion in a redesigned RCX 3.0. But I
agree with others here that I'd rather have an affordable RCX than one that can
solve any computing problem that I throw at it. Part of the challenge of any
LEGO modeling is to make do with what you've got.
- Chris.
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Message has 1 Reply: ![](/news/x.gif) | | Re: More Speed? Re: Mindstorms 3.0 Wish List
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| (...) I was using the chair leg as an example. I want to wander around ticking off square inches as I encounter them as navigable or not. I don't want to spend my life trying to develop fancy ways of representing inch square "occupiedness" by any (...) (21 years ago, 5-Nov-03, to lugnet.robotics)
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Message is in Reply To:
44 Messages in This Thread: ![Mindstorms 3.0 Wish List -Jordan Bradford (3-Nov-03 to lugnet.robotics, lugnet.technic, lugnet.trains, lugnet.dacta, lugnet.edu, lugnet.dear-lego, lugnet.general)](/news/x.gif) ![](/news/246.gif) ![Re: Mindstorms 3.0 Wish List -Ronald Vallenduuk (3-Nov-03 to lugnet.robotics)](/news/x.gif)
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