[vos-d] delineation and revision control

[Karsten Otto]

Well, Lars' suggestion of versioning only "interesting" parts and  
your suggestion of horizons seem reasonable, but I don't think we  
have the basis for this in VOS. A vobject usually cannot live as  
isolated entity, but *requires* a number of relations to child  
vobjects to make sense; thus any user-percievable "world object" is  
actually a subgraph of the overall world graph.

The problem is delineation: It is not clear which subgraphs represent  
independent "world objects", or if there is even a distinctive  
decomposition. For example, two objecs may share a texture - which  
vobject does it "belong" to? If you change one vobject, do you  
include the texture in the version? Where do you stop following  
relational links? I don't recall if there is any prohibition in VOS  
against cycles in the graph - I think there isn't - so matters become  
even more complicated.

The only separation I currently see in VOS is the relation between  
the site vobject and its children, but even here it is not clear  
which children represent aspects of the site itself, which are  
scenery, and which are avatars.

Any suggestions?

Regards,
Karsten Otto (kao)