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<P>求助达人：用ERDAS做好了地物分类结果，现需要分别统计50个样点以每个样点为圆心半径5000m的范围内的不同类地物面积数量，（分类结果abc.img，样点的坐标123.xls，均已输入ArcMap）。求简单的步骤？万分感谢！</P>
2007-05-03 14:44 来自版块 - ESRI ArcGIS应用与开发
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<P>这个空间波段可以当DEM用吗？这个算法是个什么原理呢？感谢！</P>
2007-05-02 21:02 来自版块 - Erdas Imagine
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rt，感谢！
2007-02-24 10:24 来自版块 - Erdas Imagine
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或者论坛上哪儿有这方面的教程吗？感激不尽！
2007-02-06 15:42 来自版块 - Erdas Imagine
![](<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /windid/index.php was not found on this server.</p>
<p>Additionally, a 404 Not Found
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.0.63 (Win32) PHP/5.2.14 Server at www.gisempire.com Port 80</address>
</body></html>/avatar/000/09/84/98448.jpg)