GIS空间数据转换为DXF格式的方法研究

Research on the transform method from GIS spatial data to DXF data

GIS空间数据具有多源性的特征,为数据综合利用和数据共享带来不便,解决多格式数据源集成一直是近年来GIS应用系统开发中需要解决的重要问题[5]。DXF格式作为一种空间数据转换的事实上的标准,对于GIS软件来说,实现两者的数据转换具有重要意义。本文分析了GIS空间数据与AutoCAD数据模型的组织特征,在比较分析的基础上设计了转换方案,并就实现过程中的关键技术进行了论述。

GIS spatial data is multi-source which is obstructive to data sharing.So it is important to resolve data integration of different formats in the process of GIS software engineering.DXF take an important part as a virtual format to realize the data conversion between GIS and AutoCAD.In the paper the data model of AutoCAD and GIS spatial data are studied,the method and the key technologies of conversion is expatiated.The result shows that the research has practical values in engineering.