[x3d-public] Is https://www.web3d.org/specifications/java/examples/HelloWorldProgramOutput.json valid?

[John Carlson]

This appears to be relevant:

https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter15-Metadata/Chapter15-MetadataInformation.html#:~:text=Usually%20Metadata%20nodes%20are%20blank,node%20is%20used%20by%20itself
.

Please emit containerField="metadata" in top level MetadataXzz statements.

Thanks!

John

On Sat, Jul 1, 2023 at 12:28 AM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> Hi John.  All of the JSON that you find is produced by our X3dToJson.xslt
> stylesheet, which hopefully meets all patterns we derived and documented at
>
>
>
>    - X3D to JSON Stylesheet Converter
>    - https://www.web3d.org/x3d/stylesheets/X3dToJson.html
>
>
>
> Well-formed JSON can be checked.  All of our online examples have a link
> to check via JSONLint, though tonight it is saying “unable to connect”
> (while providing plenty of advertising).
>
>
>
>    - X3D Example Archives: X3D4WA, X3D for Web Authors, Chapter 01
>    Technical Overview, Hello World
>    -
>    https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HelloWorldIndex.html
>    - upper-right inset box of links: .json
>    <https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HelloWorld.json>
>     (check
>    <https://jsonlint.com/?json=https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HelloWorld.json>
>    )
>    -
>    https://jsonlint.com/?json=https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HelloWorld.json
>
>
>
> If there are mistakes in our X3D .xml -> .json pattern or the conversion
> stylesheet, they can be fixed.
>
>
>
> Strict JSON validation isn’t possible until a JSON Schema is approved.  If
> you think that there is a Java-based implementation of the draft JSON
> Schema that is mature and stable enough to deserve our time, we can try
> adding that to our various build tools for X3D Example Archives and
> X3DJSAIL.
>
>
>
>    - http://json-schema.org
>
>
>
> 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
>
>
>
> *From:* John Carlson <yottzumm at gmail.com>
> *Sent:* Friday, June 30, 2023 8:24 PM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> *Cc:* X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject:* Is
> https://www.web3d.org/specifications/java/examples/HelloWorldProgramOutput.json
> valid?
>
>
>
> Don, if
>
>
>
>
> https://www.web3d.org/specifications/java/examples/HelloWorldProgramOutput.json
>
>
>
> is supposed to be valid X3D JSON, please inform me.  Thanks!
>
>
>
> To ensure that -value is not a field of Shape in JSON, I have added the
> following exception in x3djsonld.py.
>
>
>
>
>
>         if parent in ("Text", "Shape") and key in ("value"):  # don't
> have value yet, sorry
>
>             # do value later
>
>             raise "-value not a supported field of Text or Shape, try
> -metadata?"
>
>             continue
>
>
>
> I can revert the code if necessary.  I'm trying to follow the standard as
> I see it.
>
>
>
> If -value under Shape is correct, then X3DJSAIL needs to support addValue
> (as I have it in Java) or setValue.  That's my opinion.
>
>
>
> John
>
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