[X3D-Public] [x3dom-developers] initial X3D JSON conversion support using X3dToJson.xslt

[Leonard Daly]

>> There are very few examples in the JSON spec.  A strict reading there 
>> seems to permit either form: an array with a single value, or else a 
>> singleton number with no surrounding brackets.
>>
>> JSON question #2, wondering which is correct for an MFVec3f value, 
>> single array or array of arrays?
>>
>>     "keyValue": [0 0 0 1 1 1 2 2 2],
>> or
>>     "keyValue": [ [0 0 0], [1 1 1], [2 2 2] ],
>
> Revised candidates, with required commas:
>
>     "keyValue": [ 0, 0, 0, 1, 1, 1, 2, 2, 2 ],
> or
>      "keyValue": [ [0, 0, 0], [1, 1, 1], [2, 2, 2] ],
>
> Still wondering.  This is likely a player question, what form is 
> preferred for efficient operations.  Will assume the second form 
> (array of arrays) unless someone argues otherwise.


I prefer the second case. That way the elements of the array are the 
points, colors, rotations, etc. and the elements of each array element 
are the particular coordinate-value. Otherwise it would be necessary to 
compute the indices.



-- 
*Leonard Daly*
X3D Co-Chair
Cloud Consultant
President, Daly Realism - /Creating the Future/
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