Subject:
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Re: panel with round windows (for 10020) updated
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Tue, 9 Apr 2002 20:22:35 GMT
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Viewed:
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2001 times
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In lugnet.cad.dat.parts, Jeroen de Haan writes:
> Thanks for cooking this up, but erm... now I still don't know how it is
> done. Shure, I'm gonna have a closer look at it but all those disks and
> rings? I know L3P will replace them with proper POV primitives, but which
> one does what? Is there an easy way to find out which primitives there are
> available? like a list with pictures? Am totaly lost in the P-directory...
The rings aren't actually for POV- they're for LDraw. They are simply
sections of 16-sided "curves" (and yes- they are in the "p" directory). The
rotation/scaling matrix turns them and scales them up to fit onto the
panel's surface. You can do this manually by tweaking the values directly,
or do the rotation in a tool like MLCAD. Once you know how to work with the
primitives, they make parts like this trivial to create.
Using primitives at this point doesn't really do anything for you, because
you already manually built the quads and triangles that make up the curves.
The only reason to switch over now is to make for a smaller file and to be
more consistent with other parts (neither of which is critical in this
case). Your approach actually models a curve slightly better, as it uses
18-sided polygons instead of 16-sided.
Also- I believe that chrome sections are supposed to be separated into
subfiles, though I'm not sure exactly what the rules are here.
--
Tony Hafner
www.hafhead.com
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Message has 1 Reply:
 | | Re: panel with round windows (for 10020) updated
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| (...) I don't know if we understand each other. As I understood from de L3P manual, some primitives from the P-dir are substituted by L3P to POV primitives. If you take a look at (URL) (where the new panels are used) you will notice that the circels (...) (23 years ago, 10-Apr-02, to lugnet.cad.dat.parts)
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Message is in Reply To:
| | Re: panel with round windows (for 10020) updated
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| (...) Hi Bernd, Thanks for cooking this up, but erm... now I still don't know how it is done. Shure, I'm gonna have a closer look at it but all those disks and rings? I know L3P will replace them with proper POV primitives, but which one does what? (...) (23 years ago, 9-Apr-02, to lugnet.cad.dat.parts)
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