- u -

• UNKNOWN : openvdb::v7_2::ax::ast::tokens
• UNKNOWN_BIAS : openvdb::v7_2::math
• UNKNOWN_DD : openvdb::v7_2::math
• UNKNOWN_DS : openvdb::v7_2::math
• UNKNOWN_OPERATOR : openvdb::v7_2::ax::ast::tokens
• UNKNOWN_TIS : openvdb::v7_2::math
• UNSIGNED_DISTANCE_FIELD : openvdb::v7_2::tools