Subject:
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Parts for LDraw or parts for POV-Ray? (was: Re: i admit i was wrong)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Fri, 13 Aug 1999 18:56:46 GMT
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Viewed:
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975 times
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On Fri, 13 Aug 1999 14:56:39 GMT, "John VanZwieten"
<john_vanzwieten@email.msn.com> wrote:
> IMHO, the improvement to the POV output justifies modeling curved edges where possible. The baseplate with hard edges just won't
> have that picture-perfect quality, even though it will be fine for LDraw.
I disagree on this point.
LDraw parts should be primarily focused on optimizing rendering in
LDraw-tools. Among other things, this means that small-radius curved edges
are better drawn as sharp edges. Heck, when you get right down to details,
*all* edges on LEGO parts are rounded. So what's the cut-off radius?
IMO, for LDraw parts, if a detail is shown in LEGO instructions, it should
be part of the LDraw part file. If a detail is explicitly skipped in LEGO
printed instructions, it can be skipped in the LDraw part. This is a
guideline, not a hard-and-fast rule. There are too many differences
between the two media (printed instructions and LDraw renderings) for
everything to be identical.
High-quality parts should be modeled directly in POV-Ray. There are
details that can be captured in POV-Ray that would never be practical in an
LDraw file. For example, those rounded edges have been part of raytrace
libraries since at Paul Gyugyi's L3G0.
And this leads us back to the tantalizing, captivating possibility of
L3P-meets-L2P. Oh, if only it were so. Hmm, did Lars publish the source
to L3P? Hmm. No, I'm too busy this year. Maybe *after* the next update
to LDAO is put to bed.
Steve
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Message has 2 Replies:
Message is in Reply To:
 | | Re: i admit i was wrong
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| Bram Lambrecht <braml@juno.com> wrote in message news:19990813.073557...uno.com... (...) The type 5 lines only show up at the outer edges. There still would be no edgeline extending the length of the edge between the top and side faces, simply (...) (25 years ago, 13-Aug-99, to lugnet.cad.dev)
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