2uv 3uv 4uv 1uv 1 2 3 4 1-lambert2-SG-Glossiness 1-lambert3-SG-Glossiness 1-lambert4-SG-Glossiness lalian-initial-Shading-Group-Glossiness lalian-initial-Shading-Group-Normal lambert2-SG-Normal lambert3-SG-Normal lambert4-SG-Normal