I concur - also, since the format is so simple, I don’t see this being a significant ongoing maintenance burden.
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You can have an OBJ file with no (plain) group and several smoothing groups; it’s what you meant by working in parallel, it’s ok.
@gouessej I mean, is following situation supported by OBJ (it’ not obvious from docs I read, but it seems expressable via OBJ syntax)?
There are faces A, B, C and D. A and B united in named group, B and C are united in smooth group.
Yes but I admit that the case I met several times is rather no (plain) group but several smoothing groups or some (plain) groups and smoothing disabled (s off).
@gouessej Ok, puzzle assembled. Then it seems my implementation works exactly as you want (I’ve added logging and modified test).
From my point of view - yes, it’s ready.
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