Subject:
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Re: Building a Postscript printer?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 23 Jun 2000 19:33:18 GMT
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Original-From:
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Brian Connors <connorbd@^avoidspam^yahoo.com>
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Viewed:
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1785 times
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--- Manoj Plakal <plakal@no-spam.cs.wisc.edu> wrote:
>
> Hello,
>
> I'm completely new to the Lego Mindstorms scene. I
> was
> thinking about getting RIS 1.5 this summer, and one
> cool
> project I was thinking about was building a robot
> that could be used as a printer or plotter of vector
> graphics
> e.g., Postscript, or the Scalable Vector Graphics
> (SVG)
> Markup Language from www.w3.org.
>
> The system would consist of a main driver running on
> a PC controlling the robot which would basically
> hold the pens and which would move over chart paper.
>
> Anyone tried anything similar? Any comments on
> feasibility? Is it possible for the driver on the PC
> to
> continually talk to the RCX after the initial
> download
> of the RCX program?
You might want to take a look at the Postscript
Language Definition first. You're not gonna be fittin'
no PostScript 3 interpreter in no 32K, yo.
However, a PostScript language subset isn't such a bad
idea; what you'd be creating would be the basic
PostScript interpreter (in LegOS or some such), with a
simple implementation of the language and primitives
to control either (low-level) the RCX itself or
(high-level) draw the picture. Either way you're
talking about a firmware replacement, not a
quick-and-dirty RCXcode hack.
/Brian
=====
--
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Message has 1 Reply:
 | | Re: Building a Postscript printer?
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| Well, I wasn't really thinking that I would cram the whole Postscript interpreter into the RCX. Instead, I was going to structure it as a Postscript interpreter (running on the host PC) talking to a rendering device (the RCX). So the RCX itself (...) (26 years ago, 24-Jun-00, to lugnet.robotics)
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