[x3d-public] vrml to x3d field name changes

[GPU Group]

When hooking up routes, use a 2-pass search:
1. exact match
if didn't find then
2. synonym match ie set_, _changed
-Doug

On Thu, Apr 26, 2018 at 8:48 AM, Andreas Plesch <andreasplesch at gmail.com>
wrote:

> The 'level_changed' field of the LOD node
> (http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/
> components/navigation.html#LOD)
> currently does not work in the x_ite browser although it is correctly
> implemented. The problem is that x_ite also understands vrml97 and
> aliases vrml field names to equivalent x3d field names in a
> straightforward manner
> (https://github.com/create3000/x_ite/issues/11). This is fine in most
> cases but for the LOD node it leads to a conflict. Vrml has a 'level'
> field (http://www.web3d.org/documents/specifications/
> 14772/V2.0/part1/nodesRef.html#LOD)
> which is aliased to the corresponding 'children' x3d field. A
> 'level_changed' event therefore is then treated as output from the
> MFNode 'children' field, and not as output from the SFInt
> 'level_changed' field.
>
> A possible fix is to only do the aliasing if we know the original
> encoding of the LOD node was vrml. This fix may be ok if the LOD node
> is the only node which could have this conflict stemming from renaming
> a vrml field ('level' to 'children') and at the same time introducing
> a new x3d field ('level_changed') with the old vrml name of the
> renamed field.
>
> So my question is if there may be other nodes with fields which were
> affected by renaming from vrml to x3d in such a way ?
>
> If there are a few others it may be worth looking for a solution which
> does not need special treatment of certain nodes.
>
> -Andreas
>
>
> --
> Andreas Plesch
> Waltham, MA 02453
>
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>
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