[X3D-Public] Fwd: Semantic X3D and the desire for motion capture libraries for X3D

John Carlson john.carlson3 at sbcglobal.net
Wed May 5 00:09:02 PDT 2010

Begin forwarded message:

> From: John Carlson <john.carlson3 at sbcglobal.net>
> Date: May 4, 2010 10:49:47 PM PDT
> To: Dave A <dave at realmofconcepts.com>
> Subject: Semantic X3D and the desire for motion capture libraries for X3D
> On May 4, 2010, at 9:07 PM, Dave A wrote:
>> And I bless efforts to make a more semantic type of 3d. I came at this from game authoring tools
>> where you could author something to 'spin' (with a speed and axis, not a bunch of key frames)
>> or that something 'moves when bumped into' and so forth. This is a higher-level description which
>> can be down-converted to X3D, very hard to go the other way. Tools should make it very simple
>> for the non-programming artist, and produce the underlying code/structures as needed (this is what
>> my Unreal converter does, btw).  Specifying things semantically is far more portable, if that's the
>> goal.
> I agree, if I want my avatar to dance as an end user, I shouldn't have to deal with transforms, points etc.  I should be able to download the dancing behavior I want and apply it to my avatar.  Let's make a market out of selling motion.  Cars are a wonderful example of this.  Here's another: http://playstation.joystiq.com/2009/06/19/quantic-dream-selling-motion-capture-libraries/  Let's convert free mocap library data to stuff that X3D and H-Anim can use...see: http://mocap.cs.cmu.edu/  I'm such a newbie, I don't even know what kind of mocap data H-Anim, X3D or VRML takes!  Can someone fill me in?  I see 123 .bvh files on the web.  Can they be converted to h-anim?  It looks like you can go from .asf/.amc to .bvh  to something standard (from NIST)  Here's all the asf and amc files on the CMU site: http://mocap.cs.cmu.edu:8080/allasfamc.zip
> Why isn't H-Anim featured on this page: http://en.wikipedia.org/wiki/List_of_motion_and_gesture_file_formats
> ?
> What luck have people had with converting from other formats?
> Thanks,
> John

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