Digital Terrain Elevation Model Analysis

摘要

An effort to develop techniques to evaluate contour-to-grid interpolation algorithms. The use of synthetic surfaces as tool is explored. A set of synthetic surfaces is generated using Fourier Series to represent terrain with different degrees of ruggedness; each surface represented by an equation of the form: Z=F(X,Y). The results of a contour-to-grid interpolation can then be evaluated by comparison with the 'true elevations', the elevations calculated from the synthetic surfaces. (Author)