GIS中数据库交互查询系统的设计

DESIGN OF A MUTUAL INQUIRY SYSTEM FOR DATA BASE IN GIS

通过ＧＩＳ中数据库的交互查询，将图形数据库和属性数据库的查询结合起来，能查询图像上任意点的坐标、类别码、类别的位置，显示光标所处的属性数据库的相应记录等．

This system can combine graphic data base with attribute data base by using mutual requiryof GIS. It may inquire about coordinate arbitrary point,sign of classification,peition of classification,and displa y the records of attribute data base.