[x3d-public] HAnim Features Points, 1-120 for your review

[John Carlson]

I am thinking my Humanoid4J.x3d may not list all feature points, because I
depend on a parent segment of the sites.  Oops!

Now I'm starting to understand!

I'm not sure what Joe does in his hierarchy.

John



On Sat, Mar 16, 2024 at 10:58 AM Carol McDonald <cemd2 at comcast.net> wrote:

> Here is the attachment on the first 11 feature points.  The site for the
> translations do not have points numbered so I added in that column.  As you
> can see from this attachment - the feature points are independent of the
> joints as it does not matter which LOA that you choose.
>
> But questions - during the animation - do the feature points move?  How
> are they bound to the mesh and skin?  If the skin (mesh) breaks during a
> movement - what happens to the feature point?
>
> Thanks
>
> Carol
>
> On 03/16/2024 7:08 AM PDT Carol McDonald <cemd2 at comcast.net> wrote:
>
>
> I have been looking into this.  And I am agreeing with John's assessment.
> I will somehow need to get everything into Rhino for visualization and
> coding.
>
> From John on March 14th.
> I am thinking that humanoid_root and all other joint centers are relative
> to the LCS (local coordinate system) of the humanoid, which is 0, 0, 0
> relative to any transforms outside the humanoid.
> That's my best guess right now.
>
> What is not noted on the General is the exact file or model for which
> these translations were built for.  This means that the list of the
> translations on the website only valid for the humanoid model that they
> were obtained for, the distance of that model from the origin and are not
> appropriate for Gramps or any other model.
>
> This means that for every joint center and every translation, it would be
> good to have reason for why is it located where it is.
>
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/BodyDimensionsAndLOAs.html#General
>
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/BodyDimensionsAndLOAs.html#LOA2DefaultSiteTranslations
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/BodyDimensionsAndLOAs.html#LOA3DefaultSiteTranslations
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/BodyDimensionsAndLOAs.html#LOA4DefaultSiteTranslations
>
> Is this the model for which the translations are built for?  Can someone
> send me the proper link? Is this it?  I will see if I can import it into
> Rhino 8.
> HumanoidAnimation/Skin/Joe*.x3d
>
> Back to updating every 120 points currently listed as to recommendations
> of how to locate it and adding the additional feature points that I have
> requested.
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/FeaturePoints.html#FeaturePointsOnTheHumanBody
>
> Carol
>
> On 03/16/2024 4:23 AM PDT John Carlson <yottzumm at gmail.com> wrote:
>
>
>
>
> On Sat, Mar 16, 2024 at 2:38 AM Joe D Williams <joedwil at earthlink.net>
> wrote:
>
> > You can make the skin opaque to see that I'm really grabbing this from a
> HumanoidAnimation/Skin/Joe*.x3d example, just my own incantation of scripts
> to draw the humanoid geometry.  I'll be checking those in soon
>
>
>
> Great John,
>
> I will check this out soon.
>
> Any ideas for the 'virtual' feature points?
>
> All Fine,
>
> Joe
>
>
> Joe, do you mean user drawn, not in current standard? User defined
> points?  I have scripts for sites to place coordinates, but I don't have  a
> way to get them into the hierarchy yet, so...
>
> John
>
>
>
> -----Original Message-----
> From: John Carlson <yottzumm at gmail.com>
> Sent: Mar 15, 2024 12:11 AM
> To: X3D Graphics public mailing list <x3d-public at web3d.org>, Carol
> McDonald <cemd2 at comcast.net>, Joe D Williams <joedwil at earthlink.net>
> Subject: Re: HAnim Features Points, 1-120 for your review
>
>
> Carol, I'm discovering it makes a difference where you put the Transform
> in the HAnimSegment as to whether to reuse the center.  I don't have
> something that doesn't put out warnings yet, or takes the Sites away from
> the Joints.  Hmm!
>
> My best Humanoid so far is Humanoid4J.x3d.
>
> I'm going to get some sleep.
>
> On Fri, Mar 15, 2024 at 12:53 AM John Carlson <yottzumm at gmail.com> wrote:
>
> Good use of Billboard for annotated feature points
>
> Please consider this a contribution to the Web3DConsortium examples.  I
> release my copyright and licensing privileges, and give them copyright and
> licensing under the normal X3D resources example.
>
> Thanks to Joe and Don for good examples to draw from!
>
> No, I don't have any metadata yet.  Let's set up a time and figure out who
> all contributed.
>
> You can make the skin opaque to see that I'm really grabbing this from a
> HumanoidAnimation/Skin/Joe*.x3d example, just my own incantation of scripts
> to draw the humanoid geometry.  I'll be checking those in soon.
>
> John
>
>
>
>
>
>
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