[求助](3d analysis)unable to execute the selected tool

<P>在3d analysis下面的下拉菜单里 创建tin都是灰色不能执行。</P>
<P> 在工具箱的里面，点击create tin，提示如下</P>unable to execute the selected tool
<P>you do not have the necessary license to execute the selected tool. tool create rin is lot licensed.</P>
<P> 我的安装文件都安装好了阿</P>