[x3d-public] ProtoInstance problems, X3DUOM, X3DJSAIL.

[John Carlson]

I just want to be sure we can generate a JSON schema validation in
JavaScript and other languages that will handle all cases of @USE use or
non-use with oneOf at this point. My current issue appears to be the lack
of a ProtoInstance property underneath -material.   Fixed, but requires
patch to X3DUOM, I believe.   More testing is needed on x3d resources files
with the new mostly generated 3.3 Json schema, not checked in currently,
but delivered to everyone I believe via email.

 I would also like the complaints of no ProtoInstance name to go away in
X3DJSAIL, when I am plainly providing a name.   If I provide a name and a
USE, there should be a better error, I believe.   I do not think there are
any instances left of this dual use in my java, but I am still getting the
complaints.  Huh?  See what happens when I don't have a DEF for a
ProtoInstance.  I will try to prioritize this.

John

On Sep 4, 2017 10:37 PM, "Don Brutzman" <brutzman at nps.edu> wrote:

> None of the rules are changed.  None of the XML .x3d versions or
> specifications are changed.
>
> The only change was a bugfix to remove excess output produced by XSLT
> conversion stylesheet X3dToVrml97.xslt, which is used for converting XML
> .x3d scenes into either VRML97 .wrl scenes or ClassicVRML .x3dv scenes.
>
> No effect on X3DJSAIL since it doesn't use the stylesheet, rather it has
> serializer outputs for .x3d .x3dv and .wrl formats.  No effect on class
> hierarchy in X3D Unified Object Model.
>
> Syntax and semantics for DEF/USE in VRML syntax are well described by the
> specifications, VRML Sourcebook, etc. No change there either.
>
> You may be thinking of the following Mantis issue, which is almost (but
> not yet fully) resolved/implemented:
>
>         19776-1 (XML) 4.3.10 ProtoInstance and fieldValue syntax -
>         ProtoInstance USE requirement for name field should be removed
>         http://www.web3d.org/member-only/mantis/view.php?id=1168
>
> We should finish that one on weekly Mantis issue call this Thursday, I
> hope. You are welcome to join us if you want.
>
>
> On 9/4/2017 4:37 PM, John Carlson wrote:
>
>> I guess this means that name is not a required field in ProtoInstance?
>> Or not?  Is this updated in X3DJSAIL yet?   Are we hunting down the name
>> via USE, requiring name, or creating a new tag in XML?  And a new class
>> inherited from ProtoInstance in Java?  Does the code generating X3DJSAIL
>> code need to find the name and populate it?  What if USE is used and name
>> is wiped out?
>>
>> Thanks,
>>
>> John
>>
>> Any decision made that I can take action on?
>>
>> On Sep 4, 2017 6:27 PM, "Don Brutzman" <brutzman at nps.edu <mailto:
>> brutzman at nps.edu>> wrote:
>>
>>     Found and fixed a longstanding undetected error in the X3D to
>> (Classic) VRML
>>     conversion spreadsheet: prototype instances mistakenly had their name
>>     repeated as a field.
>>
>>     Example scene:
>>
>>     http://x3dgraphics.com/examples/X3dForWebAuthors/KelpForestE
>> xhibit/CircleFishPrototypeIndex.html
>>     http://x3dgraphics.com/examples/X3dForWebAuthors/KelpForestE
>> xhibit/CircleFishPrototype.x3dv
>>     http://x3dgraphics.com/examples/X3dForWebAuthors/KelpForestE
>> xhibit/CircleFishPrototype.wrl
>>
>>     original source .x3d excerpt:
>>
>>              <ProtoInstance name='CircleFish'/>
>>
>>     mistakenly/inadvertently translated as:
>>
>>       CircleFish {
>>          name "CircleFish "
>>     }
>>
>>
>>     now correctly translated as:
>>
>>       CircleFish {
>>     }
>>
>>     Please update any local archives you might have.
>>
>>     http://www.web3d.org/x3d/content/examples/X3dResources.html#Examples
>>
>>     Trouble reports with VRML97/ClassicVRML test suite examples and
>> conversions
>>     are always welcome.  We don't have a validator for these, so issues
>> are welcome.
>>
>>     Have fun with VRML97 and ClassicVRML prototypes!  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 http://faculty.nps.edu/brutzma
> n
>
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