[x3d-public] X3D APIS for Qt, Python, ECMAScript
John Carlson
yottzumm at gmail.com
Wed Mar 4 10:12:19 PST 2020
Again, we need an Hello World for JavaScript SAI so our X3dToES5.xslt can
be modeled properly.
On Wed, Mar 4, 2020 at 11:59 AM Don Brutzman <brutzman at nps.edu> wrote:
> this is a general question, i'm a javascript user/tester but no expert in
> some of those deep waters!
>
> On 3/3/2020 10:20 AM, John Carlson wrote:
> > Don, would this be an appropriate set of calls for a node.js scenegraph?
> >
> > new TouchSensor({"@description":"within ProtoBody"},[,
> > new IS({},[,
> > new
> connect({"@nodeField":"description","@protoField":"description"},[]),
> > new
> connect({"@nodeField":"enabled","@protoField":"enabled"},[])])])])]),
> >
> > Or should i append the @, -, etc in the constructor?
> >
> > John
> >
> > On Mon, Mar 2, 2020 at 2:24 PM John Carlson <yottzumm at gmail.com <mailto:
> yottzumm at gmail.com>> wrote:
> >
> > Also, see this example of the beginnings of a class hierarchy for
> X3DESAIL, plus a scenegraph (combined for efficiency).
> >
> >
> https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/node/examples/HelloWorldProgramOutput.js
> >
> > Good luck!
> >
> >
> > On Mon, Mar 2, 2020 at 2:17 PM John Carlson <yottzumm at gmail.com
> <mailto:yottzumm at gmail.com>> wrote:
> >
> > You might be considering this?
> >
> >
> https://github.com/coderextreme/X3DJSONLD/blob/master/src/main/node/DOM2JSONSerializer.js
> >
> > That's how I translate DOM documents to JSON.
> >
> > I am unclear on how to map X3D JSON onto any kind of class
> hierarchy, such that X3D JSON dumps out with JSON.stringify.
> >
> > This JS is not very well tested, but produced the same result as
> the stylesheet on the JSON I tested.
> >
> > John
> >
> > On Mon, Mar 2, 2020 at 2:02 PM John Carlson <yottzumm at gmail.com
> <mailto:yottzumm at gmail.com>> wrote:
> >
> > No, X3DJSONLD.ts is already part of X3DTSSAIL.
> >
> > I think what you folks want is in X3DTSSAIL, or something
> totally different from X3DJSONLD. It would not be in the purpose of
> X3DJSONLD to provide X3DESAIL.
> >
> > If you want to pursue a JSON scenegraph, then either modify
> X3DJSAIL to provide it, or write X3duomToX3dESPackage.xslt similar to the
> python stylesheet. I am not a stylesheet programmer. What I can do is
> provide a sample ECMAScript class implementing one part of X3DESAIL, so
> that the pattern may be followed.
> >
> > Here are the requirements I see:
> >
> > 1. Provide a JSON scenegraph API
> > 2. Provide a TypeScript scenegraph API
> >
> > May I suggest that we don't need a JSON API? That's already
> in ECMAScript, guys. What might be needed I think can be found in
> route.js under X3DJSONLD/src/main/node/route.js (check it out).
> >
> > For the TypeScript API, checkout the repository:
> https://github.com/coderextreme/JavaSceneAuthoringInterfaceLibrary when
> you run maven, it should leave files in target/ts.
> >
> > Also, please checkout the nashorn version of X3DJSAIL
> already on sourceforge. /The thing that's missing here is a node.js
> version. I started something under www.web3d.org/x3d/stylesheets/node <
> http://www.web3d.org/x3d/stylesheets/node>, but it's incomplete. I have
> modifications that I haven't checked in yet./
> > This was something that skipped my mind.
> >
> > The basic interface is to have a "node" constructor that
> takes a object for attributes, and an array for children.
> >
> > Good luck!
> >
> > John
> >
> > On Mon, Mar 2, 2020 at 1:26 PM John Carlson <
> yottzumm at gmail.com <mailto:yottzumm at gmail.com>> wrote:
> >
> > Do we want to add X3DJSONLD.java to X3DTSSAIL? Is that
> what I’m missing?
> >
> > On Mon, Mar 2, 2020 at 1:18 PM John Carlson <
> yottzumm at gmail.com <mailto:yottzumm at gmail.com>> wrote:
> >
> > Here is X3DTSSAIL:
> >
> > https://coderextreme.net/X3DTSSAIL.zip
> >
> > Does this satisfy the desire for ECMAscript, or do
> we want a native JSON scenegraph? Can we add it to X3DJSAIL? We should
> be able to extract JSON and parse JSON already? I think? Do you need
> examples?
> >
> > I will spend some time looking at x3d.py generation.
> >
> > John
> >
> > On Mon, Mar 2, 2020 at 8:44 AM Don Brutzman <
> brutzman at nps.edu <mailto:brutzman at nps.edu>> wrote:
> >
> > Hi John. Can we meet via phone some time this
> week to discuss? Happy to learn more and support as able.
> >
> > 1. X3D Unified Object Model (X3DUOM) is a
> thorough representation of X3D scene graph. If something needs to be
> added, can consider that.
> >
> > Qt is cross platform, seems to have C++ innards
> similar to primary python distribution.
> >
> > I found your work as follows but not sure what
> to do with it:
> >
> https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/python/examples/gui.py
> >
> https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/python/examples/gui.x3d
> >
> > Wondering what the project's primary goal is,
> writing a new LGPL X3D scene editor in Qt? Or nonrendering API X3DQtSAIL?
> >
> > Or perhaps you are thinking of something that
> adds X3D to the following project?
> >
> > * The Future of Qt 3D
> > https://www.qt.io/blog/the-future-of-qt-3d
> >
> > * Qt 3D Studio 2.6 Released
> > https://www.qt.io/blog/qt-3d-studio-2.6-released
> >
> > * Qt 3D Studio Manual
> > https://doc.qt.io/qt3dstudio/index.html
> > https://doc.qt.io/qt3dstudio/3d-assets.html
> > https://doc.qt.io/qt3dstudio/graphics.html
> >
> > ---
> >
> > 2. Python concern: shouldn't your new work be a
> separate project to avoid creating problems and synchronization
> difficulties in the current project in the /stylesheets/python directory.
> This would let x3d.py evolve without unintended clobbers emerging in the
> future.
> >
> > Am also thinking we should finally rename the
> X3D Python Package to X3DPSAIL, matching X3DJSAIL both in acronym and
> concept since it already matches in functionality. Probably long overdue.
> We also now have time to write a paper for Web3D 2020 since the conference
> was postponed to November.
> >
> > ---
> >
> > 3. Next: also had a old+new idea to consider
> following recent discussion with Katie Unger of Synergy Software Design
> (cc:ed). What if we used X3DUOM and autogenerated an ECMAScript SAI for
> X3D called X3DESAIL that patterned X3D scene graph accessors following your
> X3DJSONLD patterns, was primarily oriented towards Node.js, and also added
> utility methods facilitating use in combination with X3DOM X_ITE and
> Three.js. That harmonization might be something widely useful.
> >
> > TIA for your efforts, as always best wishes for
> your work.
> >
> > v/r Don
> >
> >
> > On 3/1/2020 3:02 PM, John Carlson wrote:
> > > I have added gui.x3d and gui.py as examples
> of translating Qt Designer XML (I think) to "X3D"-like python. This is
> after a "roll my own" xmltopy.py. There's still a lot of work to do,
> namely, we need to add some text node processing to X3dToPython.xslt. We
> probably want to create a RpgToPython.xslt for that.
> > >
> > > I also added a build target for gui.py.
> > >
> > > Ideally, either Jeff or I will write the
> RpgToPython.xslt and associated RPGuomToRpgPythonPackage.xslt.
> > >
> > > Any inputs everyone has are welcome,
> especially in the realm of creating a user friendly editor for RPGUOM like
> Qt Designer/WxFormBuilder.
> > >
> > > Code is found here on sourceforge:
> > >
> > > x3d-code/www.web3d.org/x3d/stylesheets/python
> <http://www.web3d.org/x3d/stylesheets/python> <
> http://www.web3d.org/x3d/stylesheets/python>
> > >
> > > Thanks for all the contributions that made
> this project even possible!
> > >
> > > John
> > >
> > >
> > >
> > > If someone wants to contribute XMLSchemas or
> X3DUOM-like unified object models which support Qt Designer and/or RPG
> object model, they would be most welcome.
> > >
> > > I'll probably be working on an RPGUOM next.
> > >
> > > John
> >
> > all the best, Don
> > --
> > Don Brutzman Naval Postgraduate School, Code
> USW/Br brutzman at nps.edu <mailto: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/brutzman
> >
>
> 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/brutzman
>
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