[x3d-public] New X3D JSON Loader that is namespace aware optionally.

[Don Brutzman]

We decided to move the JSON schema information to the top of the scene.

Example attached.  More testing needed before this added feature is published fully.

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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{ "X3D": {
    "@profile":"Core",
    "@version":"3.3",
    "@xsd:noNamespaceSchemaLocation":"http://www.web3d.org/specifications/x3d-3.3.xsd",
    "JSON schema":"http://www.web3d.org/specifications/x3d-3.3-JSONSchema.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"EmptySceneCoreProfile.x3d"
          },
          {
            "@name":"description",
            "@content":"Illustrate a minimalist scene using only Core profile nodes. Root nodes must either be allowed children nodes of a Grouping node, or a LayerSet node. Note that DOCTYPE, head/meta and Group/Metadata* elements can be deleted without losing scene validity."
          },
          {
            "@name":"creator",
            "@content":"Leonard Daly, Don Brutzman"
          },
          {
            "@name":"created",
            "@content":"24 February 2014"
          },
          {
            "@name":"modified",
            "@content":"26 February 2016"
          },
          {
            "@name":"reference",
            "@content":"EmptyScene.x3d"
          },
          {
            "@name":"TODO",
            "@content":"should Metadata nodes inherit from X3DNode or X3DChildNode?"
          },
          {
            "@name":"reference",
            "@content":"http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html#Rootnodes"
          },
          {
            "@name":"info",
            "@content":"Increase X3D profile (or add component statements) to match if any other X3D nodes are added to this scene."
          },
          {
            "@name":"identifier",
            "@content":"http://X3dGraphics.com/examples/X3dForWebAuthors/EmptySceneCoreProfile.x3d"
          },
          {
            "@name":"reference",
            "@content":"http://x3dgraphics.com/chapters/Chapter15-MetadataInformation.html"
          },
          {
            "@name":"reference",
            "@content":"http://X3dGraphics.com"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@name":"translated",
            "@content":"26 February 2016"
          },
          {
            "@name":"generator",
            "@content":"X3dToJson.xslt, http://www.web3d.org/x3d/stylesheets/X3dToJson.html"
          },
          {
            "@name":"warning",
            "@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"
          }
        ]
    },
    "Scene": {
        "-children":[
          { "#comment":"Core profile can only contain WorldInfo and Metadata nodes."
          },
          { "WorldInfo":
            {
              "-metadata":
                { "MetadataSet":
                  {
                    "@name":"NodeSet",
                    "-value":[
                      { "MetadataBoolean":
                        {
                          "@name":"BooleanData",
                          "@value":[true,false]
                        }
                      },
                      { "MetadataDouble":
                        {
                          "@name":"DoubleData",
                          "@value":[1,2,3]
                        }
                      },
                      { "MetadataFloat":
                        {
                          "@name":"FloatData",
                          "@value":[4,5,6]
                        }
                      },
                      { "MetadataInteger":
                        {
                          "@name":"IntegerData",
                          "@value":[7,8,9]
                        }
                      },
                      { "MetadataString":
                        {
                          "@name":"StringData",
                          "@value":["Empty Scene","Core Profile"]
                        }
                      }
                    ]
                  }
                }
            }
          }
        ]
    }
  }
}