an1文件怎么看，an1文件怎么打开？

.an1

文件类型：Street Atlas USA Draw File

扩展名为.an1的文件是一个数据文件。

文件说明：

User-edited drawing file that acts as a layer on top of a Street Atlas USA Map (.SAF) file; may contain several different layers, each with different types of content.

Examples include Draw Layers, which may contain arcs, splines, circles, polygons, symbols, and text labels, Road Layers, which store routable road, Waypoint Layers for waypoints, and Track Layers for tracks; Road Layers, Waypoint Layers, and Track Layers become part of the searchable database when added..an1

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