Robert, Only just caught this thread. I'm happy to update the OBJ plugin (reader only, presumably) if you want to lose the sscanf, as it's only recently I was looking at it anyway.
I assume that you want all sscanf(blah, "%f", &my_float); to be replaced by sscanf(blah, "%s", my_char); my_float=atof(my_char), more or less, or did you want the whole thing done with std::string or something? Was the original problem (top of the thread) a recent one, as I seem to have missed it if it was... And sorry to be dense, but is the issue also whether OBJ writers (modelling programs) are locale specific, and how a user might choose the OSG .obj plugin to respect locale or assume a default? David
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