Polygon overlay is spatial operation in which a first thematic layer containing polygons is superimposed onto another to form a new thematic layer with new polygons.
几何图形叠盖是包含几何图形的第一主题图层被叠加形成新主题图层以新的几何图形的空间操作。
Polygon overlay is a spatial operation in which a first thematic layer containing polygons is superimposed onto another to form a new thematic layer with new polygon.
多边形叠合是一种空间操作，在第一个包含多边形的主题层中叠上另一个由多边形组成的主题层。
The displacement is an important operator in polygon cluster generalization, which aims at resolving the spatial conflicts between neighbor objects.
在多边形群目标综合中，移位是一种旨在解决空间邻近冲突的重要操作。
Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.
多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。
For the sake of realizing some special functions in spatial analysis of GIS, it is necessary to covert irregular vector polygon into regular grid.
在实际的GIS空间分析过程中，为了更加简便快捷的实现某些特定的空间分析功能，常常需要将不规则的矢量多边形区域转化为规则的格网区域。
Maximum empty circle convex polygon and maximum empty sphere convex polyhedron are introduced to compute triangulation on a set of irregularly located spatial points.
提出最大空圆凸多边形和最大空球凸多面体的概念。
Maximum empty circle convex polygon and maximum empty sphere convex polyhedron are introduced to compute triangulation on a set of irregularly located spatial points.
提出最大空圆凸多边形和最大空球凸多面体的概念。
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