为了描述数字空间目标轮廓，便于计算机图形表达，提出一种适于描述序列点轮廓的小波描述子。
To describe contours in digital space and simplify the presentation of computer graphics, a wavelet descriptor is presented, which is suitable for contours constructed with a set of points.
它可以高效地创建、操作、分析和显示各种类型的地理或空间参照的数据，它能将图形与数据有机地结合起来，充分地表达数据的地理图形信息。
It can efficiently create, operate, analyse and display manifold data of geography or space reference, combine graphics and data, express the information of geography graphics.
同时，格网地图还能将景观的空间异质性定量化、空间化和图形可视化表达。
Meanwhile the grid mapping can be used to realize the quantitative, specialized and visualized description of the spatial heterogeneity.
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