资 源 简 介
识别GDF地图文件，画图程序，能够实现对地图文件的基本操作,如移动、放大、缩小、鼠标点击拖动、鼠标点击缩放、动态选择地图层（layer）绘图等。-Identification of GDF map document, drawing procedures, to achieve the basic document on the map operation, such as mobile, enlarge, shrink, drag the mouse to click, mouse click zoom, dynamic selective layer (layer) Drawing.
