[1] Hunan Univ Sci & Technol, Coll Environm & Safety Engn, Xiangtan 411201, Peoples R China
[2] Hunan Univ Sci & Technol, Coll Architecture & Artist Design, Xiangtan 411201, Peoples R China
[3] Hunan Univ Sci & Technol, Hunan Prov Key Lab Informat Engn Surveying, Xiangtan 411201, Peoples R China
[4] Changsha Planning & Design Inst Co Ltd, Planning Dept 2, Changsha 411000, Peoples R China