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billzeng
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[求助]地图上面的河流由细到粗的线型是如何画出来的?
地图上面的河流由细到粗的线型是如何画出来的?
2006-02-22 17:55
来自版块 -
PB MapInfo应用与开发
billzeng
：
如何将卫星图片上的河流提取出来?
<P>如何将卫星图片上的河流提取出来? </P>
2006-02-22 17:51
来自版块 -
Erdas Imagine
billzeng
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<hr>
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![](<!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/000/06/78/67883.jpg)