Hello,

I 'm a beginner in OpenSG and have a problem with transparency. My scene 
graph looks like this:

root
|-----------------------------
|                                           |
mesh A properties               mesh B properties
|                                           |
mesh A geometry                 mesh B geometry

Mesh A is a complete mesh, mesh B only consists of some parts from mesh 
A that should be highlighted (but with a different color). To see the 
highlighted parts through the whole mesh i make mesh A transparent (mesh 
B is solid). But i can't see mesh B although the parts that should be 
highlighted are drawn solid (just the color is wrong). If i make the 
parts (that should be highlighted) form mesh A invisible the color from 
mesh B is correct but it is covered with mesh A (mesh A should still be 
transparent).
 From the tutorial i thought OpenSG could handle transparency as long as 
geometry is in different nodes. Could someone help me with this problem?

Thanks

Flo

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