[求助]灵图导航地图中node图层rule字段的含义?

<P>灵图导航地图中node图层rule字段的含义是什么?如下面的数字都代表什么意思?如有说明文件请发到我的邮箱<a href="mailtwangrsa@sina.com" target="_blank" >wangrsa@sina.com</A>,谢谢大家!</P>
<P>10011111 <BR>01111111<BR>11111111<BR>10001111 <BR>10111111 <BR>11011111<BR>11001111 <BR>10101111 <BR>10000111 <BR>10010111 <BR>10100111 <BR>10000011 <BR>11000111 <BR>00111111<BR>11000011 <BR>11101111 <BR>00001111 <BR>00011111 <BR>10001011 <BR>10100011<BR> </P>