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Re: request for guidance: centralized extensibility for HTML5 using X3D graphics

From: Jonas Sicking <jonas@sicking.cc>
Date: Fri, 12 Feb 2010 14:58:58 -0800
Message-ID: <63df84f1002121458ja1f93c2ra4ca2162678e88a2@mail.gmail.com>
To: Paul Cotton <Paul.Cotton@microsoft.com>
Cc: Don Brutzman <brutzman@nps.edu>, Sam Ruby <rubys@intertwingly.net>, Maciej Stachowiak <mjs@apple.com>, "J. A. Stewart" <alex.stewart@crc.ca>, Johannes Behr <johannes.behr@igd.fraunhofer.de>, Joe D Williams <joedwil@earthlink.net>, "public-html@w3.org" <public-html@w3.org>, Noah Mendelsohn <noah_mendelsohn@us.ibm.com>, "Henry S. Thompson" <ht@inf.ed.ac.uk>, Tony Ross <tross@microsoft.com>
Though personally, I would prefer to see X3D integration done as a
separate spec, similar to RDFa+HTML and Microdata. There are a couple
of reasons for this:

* HTML5 is reasonably stable currently. Most changes that happen are
editorial. I'm concerned that integrating X3D would set back the
release schedule for the HTML5 spec.
* As a HTML implementor, I would like to see X3D mature a bit more in
the web world before committing to implementing this. 3D on the web is
still very new technology, especially in the form of markup. It's very
hard for me to judge how likely it is that X3D is the solution that
we'll want to go with.

This doesn't need to make any technical difference. The normative
requirements can be exactly the same with X3D as a separate spec, as
for X3D being part of HTML5. The difference is just an editorial one.

I'm sure there are others that disagree, but I wanted to get my
opinion on the record.

I am however happy to let the HTML WG take on such a work item.

/ Jonas

On Fri, Feb 12, 2010 at 2:38 PM, Paul Cotton <Paul.Cotton@microsoft.com> wrote:
>> Should this be raised as an ISSUE?
> Please refer to the WGs decision policy at http://dev.w3.org/html5/decision-policy/decision-policy.html  If you want a change made to the HTML5 specification then you should initially follow the Basic Process described at http://dev.w3.org/html5/decision-policy/decision-policy.html#basic
> /paulc
> Paul Cotton, Microsoft Canada
> 17 Eleanor Drive, Ottawa, Ontario K2E 6A3
> Tel: (425) 705-9596 Fax: (425) 936-7329
> -----Original Message-----
> From: Don Brutzman [mailto:brutzman@nps.edu]
> Sent: Friday, February 12, 2010 4:03 PM
> To: Sam Ruby; Paul Cotton; Maciej Stachowiak
> Cc: J. A. Stewart; Johannes Behr; Joe D Williams; public-html@w3.org; 'Noah Mendelsohn'; Henry S. Thompson; Jonas Sicking; Tony Ross
> Subject: request for guidance: centralized extensibility for HTML5 using X3D graphics
> [Dear HTML5 chairs:  guidance requested.  Other responses welcome too,
> cc: includes public-html and TPAC 2009 special-session participants]
> Sam, Maciej, Paul:
> In response to the November 2009 TPAC meeting's plenary debate, an
> HTML5 working group presentation and subsequent guidance discussions,
> the X3D working group has produced a detailed response describing
> how X3D can be part of HTML5 in support of centralized extensibility,
> similar to SVG and MathML.
> The response document _HTML5 Recommendation Additions for X3D_ is online at
> http://www.web3d.org/x3d/content/html5/HTML5RecommendationAdditionsForX3D.html
> Some comments and amplifying information are available at
> http://www.w3.org/Bugs/Public/show_bug.cgi?id=8238
> http://www.web3d.org/x3d/wiki/index.php/X3D_and_HTML5
> A javascript-based X3D player invokable from HTML content has been
> produced to demonstrate how these capabilities can work together
> closely.  It utilizes the WebGL layer provided in Minefield/Firefox
> and Webkit/Safari/Chrome nightly builds, and also shows excellent
> performance results.  Available at http://x3dom.org
> We are also prepared to extend these leading browser implementations
> to add open-source solutions for native UA rendering of X3D scenes
> within compound HTML5+X3D documents.  Details at
> http://www.w3.org/Bugs/Public/show_bug.cgi?id=8238#c26
> Minutes from the Decentralized Extensibility in HTML5 session at
> TPAC 2009 online at following address, have also cc:ed participants
> http://www.w3.org/2009/11/04-tpac-minutes#item02
> So what's next?
> Should the HTML5 working group choose to not proceed farther than
> SVG and MathML with centralized extensibility, we remain interested
> in showing proper decentralized extensibility for X3D in HTML5.  Again,
> guidance regarding best practice would be needed from HTML5 group.
> Thus we now are seeking guidance regarding how to best proceed.  There
> has been little discussion of our proposal on the HTML5 list.  Should
> this be raised as an ISSUE?  Would you like us available on one or more
> weekly teleconferences, or private discussions?  We are standing by.
> Thanks for your many efforts and for considering this formal request.
> all the best, Don
> --
> Don Brutzman  Naval Postgraduate School, Code USW/Br           brutzman@nps.edu
> Watkins 270   MOVES Institute, Monterey CA 93943-5000 USA  work +1.831.656.2149
> X3D, virtual worlds, underwater robots, XMSF  http://web.nps.navy.mil/~brutzman
Received on Friday, 12 February 2010 22:59:52 UTC

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