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Your answer is appreciate,<BR>
Thank you very much!<BR>
<BR>
ZHANG Aiguo<BR> <BR>> Date: Thu, 12 Nov 2009 10:14:35 +0100<BR>> From: nicolas.ribot@gmail.com<BR>> To: postgis-users@postgis.refractions.net<BR>> Subject: Re: [postgis-users] Can I replace all the x and y coordinates of a geometry using PostGIS, Thank you!<BR>> <BR>> > Hi, Leo:<BR>> ><BR>> > Thank you for your reply!<BR>> > May be I did not tell my problem clearly,<BR>> > Now, I want to know how i can get the number of points that stand for a<BR>> > polygon.<BR>> > Just like the function of NumPoints(geometry) used for linestring.<BR>> ><BR>> <BR>> npoints(geometry) for a polygon<BR>> <BR>> > And how can I locate each coordinate in the polygon?<BR>> > Looking forward your reply!<BR>> > Thanks a lot!<BR>> ><BR>> <BR>> Have a look at this recent thread:<BR>> Postgis for dummies<BR>> <BR>> Nicolas<BR>> _______________________________________________<BR>> postgis-users mailing list<BR>> postgis-users@postgis.refractions.net<BR>> http://postgis.refractions.net/mailman/listinfo/postgis-users<BR> <br /><hr />搜索本应是快乐的，不是么? 快乐搜索，有问必应！微软隆重推出! <a href='http://bing.com.cn?FORM=M00HCN&Publ=WLHMTAG&Crea=TEXT_Search_Where_You_Are_1X1' target='_new'>立即试用！</a></body>
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