Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: Problem with LDraw-Mode and LDDP Bezier Curve plugin
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 21 Oct 2002 16:42:53 GMT
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Viewed:
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387 times
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"Don Heyse" <dheyse@hotmail.spam.go.away.com> writes:
> The code Chris donated can optionally display where the interior
> control points end up by drawing type 2 lines from the end points
> to the subsequent interior points. This gives a really nice
> illustration of how the curve gets shaped, and the 2 extra lines
> are easily deleted later. It might be nice if this could be an
> option at in ldraw mode. Something like (setq
> ldraw-bezier-draw-control-lines t).
By the way, I forgot to say that it is rather easy to view the
direction towards the control points, if you want to. I insert the
coordinated for the end and control points as a comment, e.g.:
0 Bezier, n= 50 l= 130.02 ( 0 -5 0 ) ( 0 -73.09 0 ) ( 0 -73.09 60 ) ( 0 -5 60 )
To view the direction towards the first control point, you would
simply change this into something like this:
2 7 0 -5 0 0 -73.09 0
If you like to do this often, I can agree that adding a function to
optionally insert these "control lines" can be a good idea.
Fredrik
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Message is in Reply To:
 | | Re: Problem with LDraw-Mode and LDDP Bezier Curve plugin
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| (...) I am also curious how ldraw mode generates the control points. Lately I've been working on a hoser for ldglite based on some code donated by Chris Daelman (which was based on the hoser spreadsheet). I've been experimenting with with ways to (...) (22 years ago, 21-Oct-02, to lugnet.cad.dev)
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