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<P>现在我有一张湖南省的矢量图，想将一张JPG格式的栅格图导入到SDE中，并在IMS中做为底图显示，现在有如下问题，恳请各位解答：</P><P>1、导入作为底图是否一定要进行空间配准？</P><P>2、如果要进行配准，... 全文
2009-01-19 21:08 来自版块 - 互联网GIS
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<BR>大家讨论一下，gis需要用到的数学知识有那些？分别属于那些科目，有什么好的参考书，高手给后来人指指路！
2006-11-16 09:52 来自版块 - 地理信息系统(GIS)
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<P>作为一个好的gis研究人员，需要掌握多少数学知识？</P><P>大家讨论一下，需要用到的数学知识有那些？分别属于那些科目，有什么好的参考书，高手给后来人指指路！</P>
2006-11-16 09:50 来自版块 - 研究生考试
![](<!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/000/09/34/93485.jpg)