并从空间数据

应用角度出发,详细阐述了数据格式转换法、坐标系转换与投影变换法、几何纠*等三种常用空间数据集成方法的基本原理。

-And starting from the application point of view of spatial data, to elaborate the basic principles of the method of data format conversion, coordinate system conversion and projection transform method, geometric correction method of three common spatial data integration method.