1) Oracle Spatial
OracleSpatial
1.
Aiming at the data inconsistency and low access rate in data storage of PDGIS(Power Distribution Geographic Information System),a data storage method based on Oracle Spatial is proposed.
针对配电网地理信息系统(GIS)数据存储技术方面目前存在的数据不一致、存取速度慢等问题,提出了一种基于OracleSpatial的数据存储方法。
2.
A computation method of the topological relation between parcels was developed based on Oracle Spatial.
研究结果表明:在OracleSpatial平台上实现了地籍地块间31种空间拓扑关系(包括2 个简单地块间的8 种空间拓扑关系和1 个简单地块与1个复合地块间的23种空间拓扑关系)的判断,并且这种判断方法同样适用于其他类型二维面域或复杂目标间空间拓扑关系的判断。
3.
This paper analyzes the spatial data model of Oracle Spatial,discusses the methodology of upload the spatial data into Oracle Spatial and the differences of the metadata table by using ArcGIS and Mapinfo as clients.
分析了OracleSpatial空间数据存储模型,探讨了以ArcGIS和Mapinfo软件为客户端,使用OracleSpatial存储数据时元数据表的差异。