Hi Johan,
On Mon, 2007-08-27 at 17:12 +0200, Johan Robben wrote:
> >> in general the loader sets the name on everything it can.
> >> However, MaterialChunks are Attachments and those can not have
> attachments themselves. Therefore the VRML loader can not add a name
> attachment to the MaterialChunk.
> >> If you are in control of the VRML files you load (and therefore know
> their contents), you might get around this by looking for the Appearance's
> name instead.
>
> >> Hope it helps,
> It definitely helps to understand OpenSG.
>
> Is there a way to modify the VRML loader to put the name of the
> MaterialChunk on the MaterialGroup ? (I am not in control of the VRML files)
sort of ;) The attached patch adds an option to the loader (use
SceneFileHandler::the()->setOptions("pushNames=true") to enable it),
that puts the name of a VRML Material (OpenSG MaterialChunk) on the VRML
Appearance (OpenSG ChunkMaterial) unless that has a name of its own.
The patch itself is a horrible hack, but the only way Dirk and I could
come up with that did not involve even greater surgery ;)
Hope it helps,
Carsten
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