<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Roy,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The following JSON fails to validate, I think, at this point:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> "-textureTransform": {<o:p></o:p></p><p class=MsoNormal> "-children": [<o:p></o:p></p><p class=MsoNormal> {<o:p></o:p></p><p class=MsoNormal> "#comment": "NULL node as child"<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal> ]<o:p></o:p></p><p class=MsoNormal> },<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Likely more work needs to be done on the JSON schema and SFNode node fields. I believe this is how you told me to do it this morning, so please advise. Note that this is version 3.0, but I am validating with 3.3, I hope, it’s hard to tell, I cleared the 3.0 schema out of my browser. It would probably be best if you validated against 3.3 yourself. The error report failure is popping up (-children is an unexpected additional property), so…</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>{</p><p class=MsoNormal> "X3D": {</p><p class=MsoNormal> "encoding": "UTF-8",</p><p class=MsoNormal> "@profile": "Immersive",</p><p class=MsoNormal> "@version": "3.0",</p><p class=MsoNormal> "@xsd:noNamespaceSchemaLocation": "http://www.web3d.org/specifications/x3d-3.0.xsd",</p><p class=MsoNormal> "JSON schema": "http://www.web3d.org/specifications/x3d-3.3-JSONSchema.json",</p><p class=MsoNormal> "head": {</p><p class=MsoNormal> "meta": [</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "title",</p><p class=MsoNormal> "@content": "Figure31.4WoodAppearancePrototypesLibrary.x3d"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "creator",</p><p class=MsoNormal> "@content": "Figure 31.4, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "reference",</p><p class=MsoNormal> "@content": "http://www.wiley.com/legacy/compbooks/vrml2sbk/ch31/31fig04.htm"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "translator",</p><p class=MsoNormal> "@content": "Don Brutzman"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "created",</p><p class=MsoNormal> "@content": "31 October 2000"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "modified",</p><p class=MsoNormal> "@content": "28 May 2016"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "description",</p><p class=MsoNormal> "@content": "An external file containing an appearance library with wood appearances."</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "identifier",</p><p class=MsoNormal> "@content": "http://www.web3d.org/x3d/content/examples/Vrml2.0Sourcebook/Chapter31-Prototypes/Figure31.4WoodAppearancePrototypesLibrary.x3d"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "generator",</p><p class=MsoNormal> "@content": "X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "license",</p><p class=MsoNormal> "@content": "../../license.html"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "translated",</p><p class=MsoNormal> "@content": "02 July 2016"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "generator",</p><p class=MsoNormal> "@content": "X3dToJson.xslt, http://www.web3d.org/x3d/stylesheets/X3dToJson.html"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "@name": "warning",</p><p class=MsoNormal> "@content": "An experimental version of X3D JSON encoding is used for this scene. Status online at http://www.web3d.org/wiki/index.php/X3D_JSON_Encoding"</p><p class=MsoNormal> }</p><p class=MsoNormal> ]</p><p class=MsoNormal> },</p><p class=MsoNormal> "Scene": {</p><p class=MsoNormal> "-children": [</p><p class=MsoNormal> {},</p><p class=MsoNormal> {},</p><p class=MsoNormal> {</p><p class=MsoNormal> "#comment": "It is a good practice to include default message linking to an example scene, in case a user tries to view this Prototype library directly."</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "Anchor": {</p><p class=MsoNormal> "@description": "Figure31.5WoodAppearanceExternalPrototypes link",</p><p class=MsoNormal> "@url": [</p><p class=MsoNormal> "Figure31.5WoodAppearanceExternalPrototypes.x3d",</p><p class=MsoNormal> "http://www.web3d.org/x3d/content/examples/Vrml2.0Sourcebook/Chapter31-Prototypes/Figure31.5WoodAppearanceExternalPrototypes.x3d",</p><p class=MsoNormal> "Figure31.5WoodAppearanceExternalPrototypes.wrl",</p><p class=MsoNormal> "http://www.web3d.org/x3d/content/examples/Vrml2.0Sourcebook/Chapter31-Prototypes/Figure31.5WoodAppearanceExternalPrototypes.wrl"</p><p class=MsoNormal> ],</p><p class=MsoNormal> "-children": [</p><p class=MsoNormal> {</p><p class=MsoNormal> "Shape": {</p><p class=MsoNormal> "-geometry": {</p><p class=MsoNormal> "Text": {</p><p class=MsoNormal> "@string": [</p><p class=MsoNormal> "Figure31.4WoodAppearancePrototypesLibrary",</p><p class=MsoNormal> "contains prototype definitions",</p><p class=MsoNormal> "",</p><p class=MsoNormal> "Click on text to see these Appearances in",</p><p class=MsoNormal> "Figure31.5WoodAppearanceExternalPrototypes"</p><p class=MsoNormal> ],</p><p class=MsoNormal> "-fontStyle": {</p><p class=MsoNormal> "FontStyle": {</p><p class=MsoNormal> "@justify": [</p><p class=MsoNormal> "MIDDLE",</p><p class=MsoNormal> "MIDDLE"</p><p class=MsoNormal> ],</p><p class=MsoNormal> "@size": 0.5</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> },</p><p class=MsoNormal> "-appearance": {</p><p class=MsoNormal> "Appearance": {</p><p class=MsoNormal> "@DEF": "DECLLightOak_INSTANCE_LightOakAppearance",</p><p class=MsoNormal> "-children": [</p><p class=MsoNormal> {</p><p class=MsoNormal> "#comment": "textureTransform field IS exposed through the Prototype field interface with same name"</p><p class=MsoNormal> },</p><p class=MsoNormal> {</p><p class=MsoNormal> "#comment": "Note that each prototype declaration has independent scope, and so DEF/USE is not possible for sharing. DEF remains a good way to identify the image file however."</p><p class=MsoNormal> }</p><p class=MsoNormal> ],</p><p class=MsoNormal> "-textureTransform": {</p><p class=MsoNormal> "-children": [</p><p class=MsoNormal> {</p><p class=MsoNormal> "#comment": "NULL node as child"</p><p class=MsoNormal> }</p><p class=MsoNormal> ]</p><p class=MsoNormal> },</p><p class=MsoNormal> "-material": {</p><p class=MsoNormal> "Material": {</p><p class=MsoNormal> "@diffuseColor": [</p><p class=MsoNormal> 1,</p><p class=MsoNormal> 0.65,</p><p class=MsoNormal> 0.53</p><p class=MsoNormal> ]</p><p class=MsoNormal> }</p><p class=MsoNormal> },</p><p class=MsoNormal> "-texture": {</p><p class=MsoNormal> "ImageTexture": {</p><p class=MsoNormal> "@DEF": "DECLLightOak_INSTANCE_wood_g_scope2",</p><p class=MsoNormal> "@url": [</p><p class=MsoNormal> "../Chapter17-Textures/wood_g.jpg",</p><p class=MsoNormal> "http://www.web3d.org/x3d/content/examples/Vrml2.0Sourcebook/Chapter17-Textures/wood_g.jpg"</p><p class=MsoNormal> ]</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> ]</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal> ]</p><p class=MsoNormal> }</p><p class=MsoNormal> }</p><p class=MsoNormal>}<span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p></div></body></html>