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vizoogmbh / u3m

Unified 3D Material (U3M)
http://www.u3m.info
BSD 3-Clause "New" or "Revised" License
40 stars 20 forks source link

Add rule for required objects from u3m_additional_spec_u3m.txt to the schema #30

Closed UX3D-labode closed 2 years ago

UX3D-labode commented 3 years ago

rule: "A valid U3M must contain at least one visual ("front", "back" or "side") or physics, a file with neither physics nor visuals is malformed"