10LEE D T, SCHACHTER B J. Two Algorithms for Constructing a Delaunay Triangulation [ J ]. International Journal of Computer and Information Science, 1980, 9(3) :219-223.
3Wise S. Assessing the quality for hydrological applications of digital elevation models derived from contours [ J ]. Hydrological Processes, 2000,14 : 1909 - 1929.