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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>John, the authoritative X3dToJson.xslt stylesheet is at<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>https://www.web3d.org/x3d/stylesheets/X3dToJson.xslt<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/X3dToJson.xslt<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here is an X3D JSON model with several MFString values, three excerpts follow. Please identify a problem with these MFString values in JSON, if there is one.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter01TechnicalOverview/HelloWorld.json<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "WorldInfo": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@info": [<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "Example scene to illustrate a simple X3D model"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ],<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@title": "Hello World!"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "ImageTexture": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@DEF": "ImageCloudlessEarth",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@url": [<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "earth-topo.png",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "earth-topo.jpg",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "earth-topo-small.gif",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "https://www.web3d.org/x3d/content/examples/Basic/earth-topo.png",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "https://www.web3d.org/x3d/content/examples/Basic/earth-topo.jpg",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "https://www.web3d.org/x3d/content/examples/Basic/earth-topo-small.gif"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "Shape": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "-geometry": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "Text": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@DEF": "TextMessage",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@string": [<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "Hello",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "world!"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ],<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "-fontStyle": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "FontStyle": {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "@justify": [<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "MIDDLE",<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> "MIDDLE"<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> },<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, navy robotics https://faculty.nps.edu/brutzman<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> x3d-public <x3d-public-bounces@web3d.org> <b>On Behalf Of </b>John Carlson<br><b>Sent:</b> Saturday, September 2, 2023 2:04 PM<br><b>To:</b> X3D Graphics public mailing list <x3d-public@web3d.org><br><b>Subject:</b> Re: [x3d-public] @channels in HAnimMotion JSON. MFString again<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><p class=MsoNormal>To clarify:<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'm not writing server side code to convert my XML to JSON. Holger already offers conversions on the web. I don't want to support a huge web server infrastructure.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If someone really wants MFStrings as JSON strings, please by all means, take a copy of X3dToJson.xslt and modify it to your hearts delight! I can provide Java-based infrastructure, here: https://github.com/coderextreme/X3DJSONLD/blob/master/src/main/java/net/coderextreme/RunSaxon.java<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>This is well tested, but perhaps poorly documented.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Here are some examples running it in a pipeline. The "$@" means a list of X3D XML files. I am running the conversions on multiple processors with the -P ${PROCESSORS}. So something like xargs -P 8, for example , would run on 8 cores. If you want to distribute, I recommend GNU parallel, but I haven't used it.<o:p></o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>$ javac -cp "${CLASSPATH}" net/coderextreme/RunSaxon.java<o:p></o:p></p></div><div><div><p class=MsoNormal>$ ls -d "$@" | grep -v intermediate | grep -v "\.new" | tr '\n' '\0'| xargs -0 -P "$PROCESSORS" java net.coderextreme.RunSaxon --- "${OVERWRITE}" --"${STYLESHEETDIR}/X3dToJson.xslt" -json<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>$ ls -d "$@" | xargs -P $PROCESSORS java net.coderextreme.RunSaxon ---overwrite ---silent --../lib/stylesheets/X3dToNodeJS.xslt -js ---../node/net/x3djsonld/data/<o:p></o:p></p></div><div><p class=MsoNormal>$ ls -d "$@" | xargs -P $PROCESSORS java net.coderextreme.RunSaxon ---overwrite ---silent --../lib/stylesheets/X3dToJava.xslt -java ---../java/net/x3djsonld/data/<o:p></o:p></p></div><div><p class=MsoNormal>$ ls -d "$@" | xargs -P $PROCESSORS java net.coderextreme.RunSaxon ---overwrite ---silent --../lib/stylesheets/X3dToPython.xslt -py ---../python/net/x3djsonld/data/<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I will probably add the X3dToES5.xslt in the near future as I'm working with GraalVM.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Enjoy!<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sat, Sep 2, 2023 at 2:37 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>So no one wants have a frank conversation about this?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We need to figure out a solution to MFString in JSON. We can’t do onesies twosies.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>My web page now uses Holger’s Browser.toJSONString(). No other solution works half decently on the web for converting XML to JSON in a browser. X_ITE creates JSON arrays for MFStrings.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I have brought up this issue many, many times. Our current Saxon/XSLT solution does not work in a web client. The Saxon JavaScript version just isn’t there. I am not going to write server side code.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am converting XML to JSON over from stylesheets to x3d-tidy, even though Saxon itself works perfectly well in X3D-Edit and in my RunSaxon.java. Ideally, we could match a web solution with a server-side solution.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>At this point, I am following Holger’s lead because there’s no Saxon solution for web clients.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Are we killing X3D JSON? Then let’s be upfront about it and not talk in smoke-filled rooms.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sat, Sep 2, 2023 at 2:58 AM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The @channels field value in the translated JSON appears as a JSON string, not as a JSON array. Here we have the MFString problem again.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>It appears that we have different ideas of what "MF" means. To me, MF means a JSON array in JSON. Holger's x3d-tidy tool and X_ITE renders MFStrings as arrays. I created a special case NavigatorInfo@type. Can we convert all MFStrings to JSON strings on output, please? I think that would make everyone happy?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If our tools don't agree, that will confuse people.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>There's could be issues around MFStrings in Text/fontStyle still. and other places, like urls...do you want those rendered as strings or arrays.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'm going to proceed with modifying my schema generator, I'll keep a backup of current stuff.<o:p></o:p></p></div></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div></div></blockquote></div></div></blockquote></div></div></body></html>