Hi Matthias,
> Hi Andreas,
>
>> something like this should to the trick ...
>> mat is the material from a MaterialGroup oder Geometry node.
>>
>> ChunkMaterialPtr cmat = ChunkMaterialPtr::dcast(mat);
>> if(cmat != NullFC)
>> {
>> MaterialChunkPtr matc = cmat->find(MaterialChunk::getClassType());
>> if(matc != NullFC)
>> {
>> beginEditCP(matc);
>> matc->setEmission(Color4f(1.0f, 0.0f, 0.0f, 1.0f));
>> endEditCP(matc);
>> }
>> }
>>
>
> yes, this way it's working. Thanks.
>
> I also managed the problem with material sharing by using deep-clone.
> However, it still happens, that material changes only come to (visible)
> effect after I have transformed geometry. I tried adding
> cmat->rebuildState() to the above code but that didn't help. What would
> I have to do?
hmm perhaps a missing begin/endEditCP somewhere?
Andreas
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