[x3d-public] X3D minutes 7 OCT 2022: Web3D Consortium ballot comments on X3D4 Draft International Standard

[John Carlson]

I agree on Mantis 1398 now.  I believe the issue i had was with converting
JSON to Python.  My argument was originally for MFVec2f.

On Mon, Oct 10, 2022 at 6:52 PM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> Dick Puk and I met last Friday to review Web3D Consortium comments for ISO
> ballot on X3D4 Draft International Standard.
>
>
>
> Here are our comments and summaries.  Mantis issue-tracker links are
> available to Web3D Consortium members and ISO editors on request.
>
>
>
>    - https://www.web3d.org/member-only/mantis/view_all_bug_page.php
>
>
>
>
>
> a. Mantis 1398, OrthoViewpoint fieldOfView type needs to be SFVec4f, not
> MFFloat
>
>
> OrthoViewpoint fieldOfView is a 4-tuple for min/max x/y extents. Since
> this field can only have four values (no more no less), the field type
> needs to be SFVec4f, not MFFloat.
>
> * 23.4.5 OrthoViewpoint
> *
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/navigation.html#OrthoViewpoint
>
> This change will be identical to TextureProjectorParallel fieldOfView.
>
> * 42.4.2 TextureProjectorParallel
> *
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/textureProjector.html#TextureProjectorParallel
>
>
>
> "The types for the fieldOfView field are not consistent among the various
> nodes implementing this field. The differences need to be reconciled and
> typing needs to be consistent, whenever functionality is the same."
>
>
>
>
>
> b. Mantis 1192, 07.2.2 Bindable children nodes - Undefined results if
> bindable node is under Switch or LOD is problematic
>
>
>
> We are not proposing to apply this change in X3D4.0 since it has
> functional considerations.
>
>
>
> X3D4.1 issue, can implement/evaluate, and possible X3D4.0 best practices.
>
>
>
>
>
> c. Mantis 1400, add Scalable Vector Graphics (SVG) to recommended image
> formats for ImageTexture
>
>
>
> We are not proposing to apply this change in X3D4.0 since it has
> functional considerations.  Partial support for SVG possible in
> ImageTexture but more dynamic support for computational images (SVG, CGM,
> possibly others) likely in X3D4.1.
>
>
>
>
>
> d. Mantis 1401, formally adding values to align X3D4 LineProperties with
> Quality Information Framework (QIF) specification
>
>
>
> We are not proposing to apply this change in X3D4.0 specification.
>
>
>
> X3D4.1 issue, implement/evaluate, registry update, and possible X3D4.0
> best practices.
>
>
>
>
>
> e. Mantis 1402, Insufficient description for HAnimSegment
>
>
>
> 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 in parent/child
> HAnimSegment nodes.”
>
>
>
>
>
> f. Mantis 1403, Insufficient description for HAnimJoint
>
>
>
> Suggested prose addition: “The child HAnimSegment node provides a visual
> representation of the skeleton segment.”
>
>
>
>
>
> g. Mantis 1404, 39.4.6 OrientationDamper, incorrect word 'orientation'
> vice 'rotation'
>
>
>
> Multiple occurrences of 'orientation' need to be changed to 'rotation' in
> the prose for this section.
>
>
>
>
>
> h. Mantis 1405, 39.3.2 X3DDamperNode has erroneous extra characters
>
>
>
> Prose for 39.3.2 X3DDamperNode has erroneous extra characters, likely due
> to incorrect application of a CSS style in HTML source.
>
>
>
>    - title='editorial, special character?'
>
>
>
>
>
> i.                     Mantis 1406, 25.3.6 GeoOrigin description is
> awkwardly phrased
>
>
>
> 25.3.6 GeoOrigin description is awkwardly phrased, should describe
> functionality prior to describing circumstances when not to use.
>
>
>
> Deserves editorial review. Switching order of first two paragraphs is
> likely sufficient for proper clarification.
>
>
>
>
>
> And… that is it.  Next will send these to U.S. National Standards Body
> INCITS and ISO SC24 committee.
>
>
>
> Have fun with X3D4!  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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