[semantics-public] John’s New Focus: bvh in “MineCraft”

[John Carlson]

Understood keyframes, Joe.   I’m looking for a way to convert video to
HAnim otherwise.  My hope is to shift dancers each time through the reel,
but merely shift skin, and do the same animation.

I am targeting DanceWriting.org notation, not necessarily HAnim.  I think I
will need LOA4, to get toe positioning and to produce video from DW.

I’m looking for support to fill in the LOA4 skeleton.   I know we’ve
stopped and started several times.   If we’re going to measure someone’s
body, I’m 6’8”, 329lbs—not exactly a standards candidate.   I’ll have to
probably use a skeleton editing software to edit the skeleton, unless I
edit txt and HTML files.   I’m not quite sure how to measure segments and
joints on people to get physical values.

I understand we can use scaling techniques, but first I think we have to
guess some values to plug in, if not the defaults.

I’ve recently looked at a BVH file.   One of the only ones that referred to
Dance, search filetype:bvh dance on Google.

As far as additional software, I will check X3D resources soon.

My understanding at this point is the LOA4 skeleton needs to be filled out.
  Where I was before was hooking hands and feet to the rest of skeleton.

I am willing to work with your hierarchy now, to produce user code.  My
understanding is that X3DUOM has the full hierarchy, possibly minus
measurements?   Should I be working with X3DUOM?

How does one craft an animation in MineCraft?

Thanks,

John

On Mon, Apr 25, 2022 at 12:25 AM Joseph D Williams <joedwil at earthlink.net>
wrote:

>
>    - Joe,   I was hoping to obtain/create .bvh files for any motion
>    needed.
>
>
>
> Well, OK John, the bvh files will contain a definition of the skeleton and
> keyframe data for the motion. In the end, the user code will end up the
> same, that is, sets of timer(s) and position and orientation interpolators.
> Which skeleton are you going to use?
>
> Joe
>
>
>
> *From: *John Carlson <yottzumm at gmail.com>
> *Sent: *Sunday, April 24, 2022 8:01 PM
> *To: *Joseph D Williams <joedwil at earthlink.net>; X3D Semantic Web Working
> Group <semantics-public at web3d.org>
> *Subject: *Re: John’s New Focus: bvh in “MineCraft”
>
>
>
> Joe,   I was hoping to obtain/create .bvh files for any motion needed.
>
>
>
> I am trying to decide between
>
>
>
> Choreography Pose Identication
>
> Body Movement Recognition
>
> Body Motion Recognition
>
>
>
> (Possibly increasing numbers of data points).
>
>
>
> Some kind of LOD is indicated for animation, even fractal.  Or multi
> resolution animation, depending on frame rate???
>
>
>
> Goal is to round trip from semantics to data points and back to semantics.
>   In the Virginia Reel,  the semantics are added by the move caller.
>
>
>
> John
>
> On Sun, Apr 24, 2022 at 7:26 PM Joseph D Williams <joedwil at earthlink.net>
> wrote:
>
> https://www.youtube.com/watch?v=T6MJ3s_a3HM
>
>
>
> The code for this. Joekick  is in the Hanim archive.
>
>
>
> John, if I can help you determine steps for a ‘standard’ sort of
> animation, please look at this example and I can help look  through it and
> see this technique. For other projects like chem markup, the idea was to
> use a style sheet operation to read the dance markup and generate some
> Hanim user code to make the movement.
>
> All  Best,
>
> Joe
>
>
>
> *From: *John Carlson <yottzumm at gmail.com>
> *Sent: *Sunday, April 24, 2022 4:06 PM
> *To: *Joe D Williams <joedwil at earthlink.net>; Valerie Sutton
> <sutton at signwriting.org>; X3D Graphics public mailing list
> <x3d-public at web3d.org>
> *Subject: *Re: John’s New Focus: bvh in “MineCraft”
>
>
>
> The main idea, I think is to tie .bvh files to DanceWriting poses, then
> figure out some way to interpolate .bvh files for the final animation.
>
>
>
> If we can recognize faces, can we recognize body motions?   Any help with
> this would help me.
>
>
>
> On Sun, Apr 24, 2022 at 5:42 PM John Carlson <yottzumm at gmail.com> wrote:
>
> It seems like my focus is drifting into Doug’s “crowds” in the form of
> dance troupes.   In particular, I am thinking of modeling the “Virginia
> Reel” and possibly other folk dancing (square dancing).
>
>
>
> For this, I will need some kind of notation.  So far I have chosen
> DanceWriting.org, but I’m open to other suggestions.  The idea would be for
> choreographers to model at a high level, like saying “pirouette” or
> clicking or an “animicon” without specifying low level details.  I realize
> this can be done with X3D PROTOs.   I realize that this should be
> internationalized.
>
>
>
> The model for this is MineCraft.   I should have an inventory of dance
> moves, and crafting tools to built more complex moves.  And I should be
> able to move dancers on a stage and assign them dance moves at
> different times.
>
>
>
> Ultimately I’d like to do some kind of motion capture to create programmes
> (in many senses of the word).   Think of the human body as the architecture
> (in terms of instructions one might give).
>
>
>
> If someone could point me at pre-existing BVH motion files, that would be
> super helpful.   I’m going to start searching.
>
>
>
> The goal of all of this is to create a “movement crafting tool”, along the
> lines of SignWriting.org, that could be used to create programmes.   That
> is, use something like Kinect to input and edit programmes.
>
>
>
> “We do not sense the world subjectively or objectively, rather it’s about
> what we do to the world, and what the world does to us.”
>
>
>
> John
>
>
>
>
>
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