THE DATA AND SERVICES ANALYSIS OF CHINESE NSDI BASED ON BACKX MODEL
- 1Tianjin Institute of Surveying and Mapping, Changlin Rd. No.9, Xiqing Dist, Tianjin, China
- 2Chongqing Surveying Institute, Diancecun No.231, Jiangbei Dist. Chongqing, China
- 3Chinese Academy of Surveying and Mapping, Lianhuachi WEST Rd. No.28, Haidian Dist, Beijing, China
- 4Beijing Urban Planning and Land Resource Committee, Nanlishi Rd. No.60, Xicheng Dist, Beijing, China
- 5Research for the Built Environment Institute of Photogrammetry and Geoinformation, TU Delft, Julianalaan 134 (Building 8) room BG. WEST.660, 2628 BL Delft, The Netherlands
Keywords: Data and Service Analysis, Chinese NSDI, Backx Model
Abstract. The data and services analysis are indispensable for the refined development of SDI. This paper, taking Chinese NSDI as a study case, analyzed the data and services advantages and shortcomings of Chinese NSDI and developed a recommendable data and services framework which could improve the Chinese NSDI better services for public and private sectors from known, attainable and usable aspects by using Backx model. And the recommendation framework can also be referenced by other national and local SDI for its better services and applications.