基于ARCGIS的三维建模

<p>我老师要让我用DEM.TIF，基于ARC生成如下所示的地质图，哪位大神指导一下啊。</p><!--StartFragment -->
<div><img src="file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/375431118/QQ/WinTemp/RichOle/G$2_(]Z5O7JE%25N_N0W%60Y5QM.jpg"/> </div>