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

[Brutzman, Donald (Don) (CIV)]

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/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/
components/hanim.html#HAnimSegment

*
<https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/Obje
ctInterfaces.html#Segment>
https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/Objec
tInterfaces.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/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/
components/hanim.html#HAnimJoint

*
<https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/Obje
ctInterfaces.html#Joint>
https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/Objec
tInterfaces.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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