syntax = "proto2"; package ltpb; message Matrix3x3F { required float x00 = 1; required float x01 = 2; required float x02 = 3; required float x10 = 4; required float x11 = 5; required float x12 = 6; required float x20 = 7; required float x21 = 8; required float x22 = 9; }