dem文件扩展名，dem文件怎么打开？

.dem

文件类型1：Digital Elevation Model

文件说明：

Contains mapping data with elevation information; used by the US Geological Survey.

打开.dem文件

Mac OS

　

Windows

ESRI ArcView or other GIS software　

Linux

其它内容

.dem

文件类型2：Video Game Demo

文件说明：

Demo of a commercial video game; typically an in-game recording that serves as an example of the gameplay; used by games such as Half-Life, HalfLife: Counter-Strike, Quake, Hexen, and Unreal Tournament.

打开.dem文件

Mac OS

Used by multiple video games　

Windows

Used by multiple video games　

Linux

来源：. dem文件