Subject:
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Re: LDraw/dat questions
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Newsgroups:
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lugnet.cad.dev, lugnet.faq
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Date:
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Fri, 4 Feb 2000 11:04:27 GMT
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Viewed:
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46 times
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Hi Brian.
> Is there an interactive (OpenGL-based, for example) Datsville/LDraw
> viewer? If so, what platforms does it run on?
One is being developed at the moment. It seems to run on
Linux, MacOS, and MS-Windows (of some kind).
> Are there programs to convert LDraw files to other common 3D file
> formats, other than POVRAY?
I think there are programs to convert to and from some CAD
formats.
> Specifically, I'd like to convert LDraw models into a 3D file format
> compatible with SGI Performer (http://www.sgi.com/software/performer/).
> With perfly (the Performer-based viewing program) you could fly around/
> through the models in realtime.
I don't think we have a program for that yet, but it would
definitely be cool.
> Ideally, the LDraw file format would support multiple-LOD (level of
> detail) models and model heirarchies for efficient culling. I doubt
> LDraw has anything like that. My quick look at it gives the impression
> that it's a very primitive file format.
The LDraw file format is definitely rather primitive, but
there is a bit of level-of-detail handling in the system,
and more can be provided when translating to other formats,
if you care to hand-code the primitives and/or parts in the
target format (l3p does a bit of that).
Development of LDraw related tools is discussed at
http://www.lugnet.com/cad/dev/. You are welcome to join the
discussion there.
Play well,
Jacob
------------------------------------------------------------
-- E-mail: sparre@nbi.dk --
-- Web...: <URL: http://hugin.ldraw.org/LEGO/Skibe/ > --
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