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   RE: [x3d-contributors] Re: geometry first, MathML, CAD, etc

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  • From: "Bullard, Claude L (Len)" <clbullar@ingr.com>
  • To: Jean-Marc Vanel <jmvanel@free.fr>, xml-dev@xml.org, x3d-contributors@web3d.org, Frederic ABIVEN <Frederic.ABIVEN@teaser.fr>, Patrick Laug <Patrick.Laug@inria.fr>, Amine Hassim <Amine.Hassim@inria.fr>, Jean Marc VANEL <jean-marc_vanel@effix.fr>
  • Date: Thu, 2 Mar 2000 08:24:11 -0600

You are right although you will find VRML isn't suitable for CAD models and 
never has been.  There are some long discussions about this in the VRML 
list archives.

A good solution is to take the X3D core minus the routes and behavior model 
and put these in SVG.    The hard issue is the footprint of the plugin.
has been working this and shown a reasonable solution.  Cortona is not
with SVG currently, but Parallelgraphics has been innovative and adaptive in
the past.

Len Bullard

Ekam sat.h, Vipraah bahudhaa vadanti.
Daamyata. Datta. Dayadhvam.h

> -----Original Message-----
> From:	Jean-Marc Vanel [SMTP:jmvanel@free.fr]
> Paul Fishwick wrote : 
> 	When Henry Ford built his first automobile,my guess is that he had
> to hand-construct many of the components since theredid not exist a
> supply-chain for carburetors, brakes, wheels and so forth. As
> timeprogressed, these supply-chains multiplied in what might be called a
> Darwinianor Capitalistic evolution---thus, providing ways to make
> automobiles whosecomponents are now "outsourced" to other companies,
> forming a huge tree or graphof industrialization.   X3D is similar. There
> has to be a seed, or coherent entity where we begin.
> The seed, VRML, has existed for years, and has not met the success of the
> T model ! The current X3D seems merely a word-for-word translation of
> VRML97 in old XML monolythic DTD style. It's more than time to have a
> modular state of the art XML VR vocabulary, with all the facilities of XML
> Namespaces, XML Schema, and possibly XSLT, SMIL, etc. 
>  It's also more than time to search other partners for the 3D geometry
> subset outside of the video circle, notably CAD and scientists involved in
> numerical simulations, and biological descriptions. 

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