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<P> L=DN*gain +bias<BR>求出各样点的辐射能量值。其中L为地物在大气顶部的辐射能量值，单位为；DN为样本的灰度均值，gain和bias分别为图像的增益与偏置，可从图像的头文件中读取。<BR>头文件：</P><... 全文
2006-06-04 02:10 来自版块 - Erdas Imagine
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查看图像信息的pixel data 时怎么把图像的像元值保存为文本文件？因为导出的那个dat文件太大了，用记事本都打不开，那位高手指点一下，我做程序要急用，谢谢了！祝端午节快乐！！
2006-05-30 23:41 来自版块 - Erdas Imagine
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<P>erdas中为什么有些影像不能添加改变投影系统啊，那个影像信息里边的add/change projection 灰色显示，怎么回事？</P>
2006-05-27 03:20 来自版块 - Erdas Imagine
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<P>求助：erdas 中怎么把spot影像的单位inches改为米啊？</P>
2006-05-27 03:17 来自版块 - Erdas Imagine
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<h1>Not Found</h1>
<p>The requested URL /windid/index.php was not found on this server.</p>
<p>Additionally, a 404 Not Found
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