[X3D-Public] remote motion invocation (RMI)

Tue Mar 1 09:08:38 PST 2011

----- Original Message ----- 
From: "Sven-Erik Tiberg" <Sven-Erik.Tiberg at ltu.se>
To: <npolys at vt.edu>; <x3d-public at web3d.org>
Cc: <luca.chittaro at uniud.it>
Sent: Tuesday, March 01, 2011 6:14 AM
Subject: Re: [X3D-Public] remote motion invocation (RMI)

> Hi
>
> A note.
> Would it be possible to create a object similar to dynamic h-anim, 
> looking and behaving like a moose.

THe basis for h-anim comes from general-purpose hierarchical animation 
needs. That is, the shoulder joint is connected to the elbow joint, 
for example, such that when the shoulder joint is moved, then the 
elbow joint is translated accordingly as expected. To follow the same 
technique for a different character, just position the joints and 
segments you chose to use depending upon the level of articulation you 
need in skeleton space then build the skin in skin space (hopefully 
the same as skeleton space), connect it up and animate the thing.

>
> No I'm not kidding, in the future we hope to create a X3D-sceen for 
> driver simulator with "living" moose and reindeers ( they are not so 
> exotic up here but more real and a hazard on the roads ).
> Could be that the same motion pattern can be used for deers and elks 
> and ..

possibly. Note that the selection of initial binding time joint 
rotation is important.

Good Luck and Best Regards,
Joe

>
> /Sven-Erik Tiberg
>
>
> -----Original Message-----
> From: x3d-public-bounces at web3d.org 
> [mailto:x3d-public-bounces at web3d.org] On Behalf Of Sven-Erik Tiberg
> Sent: den 1 mars 2011 08:51
> To: npolys at vt.edu; x3d-public at web3d.org
> Subject: Re: [X3D-Public] remote motion invocation (RMI)
>
>
> If there are a need for extending the h-anim kinematic capacity I 
> would have a look at Modelica https://www.modelica.org/ And  ( 
> openmodelica ) https://www.modelica.org/ for calculation of dynamic 
> behavior.
>
> IMHO it would not be impossible to interface an openmodelica model 
> that runs in Real Time to a X3D sceen.
>
> On animiation of human I would like to suggest that you take a look 
> at http://hcilab.uniud.it/index.html  and it's editor H-Animator 
> http://hcilab.uniud.it/demos-videos/item11.html
>
> /Sven-Erik Tiberg
> Lulea Univ of Technology
> Sweden
>
>
>
> -----Original Message-----
> From: x3d-public-bounces at web3d.org 
> [mailto:x3d-public-bounces at web3d.org] On Behalf Of Nicholas F. Polys
> Sent: den 28 februari 2011 21:34
> To: x3d-public at web3d.org
> Subject: Re: [X3D-Public] remote motion invocation (RMI)
>
> One of our members was working on this spec some time ago (2001), 
> perhaps a good integration target with H-Anim for such a platform or 
> communication layer: HumanML 
> http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=humanmarkup
>
> it does mention kinesthetics in the overview but I am really not 
> sure where it has been adopted.
> ?
>
> br,
>
> _n_polys
>
> On 2/28/2011 1:54 PM, Joe D Williams wrote:
>>> And what if the script could recive states ( ROUTED events ) from 
>>> the
>>> 3D browser and do a animation on the fly using inverse kinematics,
>>> that would be cool.
>>
>> I think the basic needed structure for that is in the X3D H-Anim 
>> spec.
>>
>> Best Regards,
>> Joe
>>
>> ----- Original Message ----- From: "Sven-Erik Tiberg"
>> <Sven-Erik.Tiberg at ltu.se>
>> To: "John Carlson" <john.carlson3 at sbcglobal.net>;
>> <x3d-public at web3d.org>
>> Sent: Sunday, February 27, 2011 11:50 PM
>> Subject: Re: [X3D-Public] remote motion invocation (RMI)
>>
>>
>>> What if using an from the browser external motion engine as you
>>> mention, but let the motion engine host in the client computer.
>>> Communicating new states to the 3D-browser (to a  h-amin model )
>>> trough a script.
>>> And what if the script could recive states ( ROUTED events ) from 
>>> the
>>> 3D browser and do a animation on the fly using inverse kinematics,
>>> that would be cool.
>>>
>>> Thanks for bringing up this subject.
>>>
>>> /Sven-Erik Tiberg
>>>
>>>
>>> -----Original Message-----
>>> From: x3d-public-bounces at web3d.org
>>> [mailto:x3d-public-bounces at web3d.org] On Behalf Of John Carlson
>>> Sent: den 26 februari 2011 05:49
>>> To: <x3d-public at web3d.org> mailing list
>>> Subject: [X3D-Public] remote motion invocation (RMI)
>>>
>>> Instead of downloading motion into a 3D scene, how about uploading
>>> motion into a remote social network server or robot?  One could
>>> upload motions to a remote server, and then invoke them with
>>> parameters.  One could create classes aggregating motion methods,
>>> instantiate classes to create behaviors in avatars or robots.
>>>
>>> What if H-Anim was used to upload and control avatars remotely,
>>> instead of downloaded models?  What I am thinking of is something
>>> like Kinect/PrimeSense for primitive motion input + a programming
>>> language for repetition/parameterization/classes/instantation. 
>>> What
>>> if I chose a protocol/programming such as JavaScript?
>>>
>>> Does DIS do this?  Are there any patents to be aware of?  If we 
>>> use
>>> something like Caja on the server, or sandbox the motion on the
>>> server, could we insure the security of such an endeavor?
>>>
>>> Initially, I am thinking only of video download.
>>>
>>> Thanks,
>>>
>>> John Carlson
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>>
>>
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>
> --
> Nicholas F. Polys Ph.D.
>
> Director of Visual Computing
> Virginia Tech Information Technology
>
> Affiliate Research Professor
> Virginia Tech Computer Science
>
>
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