[x3d-public] X3D4 prose suggestions for HAnim nodes HAnimSegment and

[John Carlson]

I am thinking that it might say … HAnimSegment node *and its children*
provide// a visual representation …

I’m unsure of the grammar.

On Tue, Oct 4, 2022 at 1:37 PM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> While reviewing various X3D Tooltip descriptions, found a lack of clarity
> and potential for editorial improvement in X3D4 Architecture
> specification.  This additional prose might help clear up recurring mystery
> that sometimes occurs with author understanding of how X3D implements two
> Humanoid Animation (HAnim) nodes.
>
>
>
>    - Mantis 1402: Insufficient description for HAnimSegment
>    - https://www.web3d.org/member-only/mantis/view.php?id=1402
>
>
>
> Mantis 1402: Insufficient description for HAnimSegment
>
> *Description*
>
> Node description for HAnimSegment is exceedingly terse and insufficient to
> describe purpose.
>
> * Each body segment is stored in an HAnimSegment node.
>
> Recommend further detail. Suggested prose:
>
> * Each body segment is stored in an HAnimSegment node, providing a visual
> representation of the skeleton segment. Parent/child translation and
> rotation relationships are defined between parent/child HAnimSegment nodes.
>
> *Additional Information*
>
> References:
>
> *
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimSegment
>
> *
> https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/ObjectInterfaces.html#Segment
>
>
>
>    - Mantis 1403: Insufficient description for HAnimJoint
>    - https://www.web3d.org/member-only/mantis/view.php?id=1403
>
>
>
> Mantis 1403: Insufficient description for HAnimJoint
>
> *Description*
>
> Node description for HAnimJoint is exceedingly terse and insufficient to
> describe purpose.
>
> * Each joint in the body is represented by an HAnimJoint node, which is
> used to define the relationship of each body segment to its immediate
> parent.
>
> Recommend further detail. Suggested prose addition:
>
> * The child HAnimSegment node provides a visual representation of the
> skeleton segment.
>
> *Additional Information*
>
> References:
>
> *
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimJoint
>
> *
> https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/ObjectInterfaces.html#Joint
>
>
>
>
>
> All comments on this suggest improvement to editorial phrasing are
> welcome.  Please note that no functional changes are involved.
>
>
>
> Next.  As previously announced, we will be going over all Web3D comments
> on the current ISO ballot during this week’s X3D Working Group meeting,
> Friday October 7, 09-1000 pacific.  Only a handful are outstanding and we
> expect to resolve them all as either (a) ballot submission, or (b) defer to
> X3D4.1. Participation welcome.
>
>
>
> Have fun with X3D clarity!  8)
>
>
>
> all the best, Don
>
> --
>
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
>
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
> +1.831.656.2149
>
> X3D graphics, virtual worlds, Navy robotics https://
> faculty.nps.edu/brutzman
>
>
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