Concept information
Preferred term
Definition
- 用于地理信息系统技术中矢量类内部数据的组织:空间数据被划分为点、线、多边形类型。在大多数情况下,点实体(节点)直接指定为坐标对,线(弧或边),表示为点的链接。某一区域由组成其边界的线条定义。矢量地理信息系统以点、线段和点对的形式存储信息,其它使用一系列封闭的点定义多边形区域。由于尖锐边界的存在或被强加,向量结构特别适合于存储空间物体的定义信息。
Broader concept
Belongs to group
Belongs to array
- gemet:groupCollection (gemet)
- gemet:superGroupCollection (gemet)
- RESEARCH, SCIENCES (en)
- SOCIAL ASPECTS, ENVIRONMENTAL POLICY MEASURES (en)
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