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Hello,<BR>
<BR>
Thanks. I try to run your query, and it saids<BR>
parse error-invalid geometry. point (306404701,...)<BR>
<BR>
do you know where went wrong? <BR>
<BR>
Thanks<BR> <BR>
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Date: Tue, 19 Oct 2010 12:53:22 +0200<BR>From: nicklas.aven@jordogskog.no<BR>To: postgis-users@postgis.refractions.net<BR>CC: <BR>Subject: Re: [postgis-users] How to select points within circle<BR><BR>
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<DIV align=left>Your syntax is a little backwards an it is better to use st_dwithin instead:</DIV>
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<DIV align=left>select gid, the_geom, floorarea from "building" as m where ST_DWithin(m.geom,'POINT<SPAN style="FONT-FAMILY: Courier New">(306404701,6755737)'::geometry, 200.0</SPAN>);<BR></DIV>
<DIV align=left>HTH</DIV>
<DIV align=left>Nicklas<BR><BR>2010-10-19 zhang zhe wrote:<BR><BR>Hello,<BR>> <BR>> I have one table called building.sql which contains points. I want to select building which fall within a circle. This circle is not a sql table but instead only coordinate and radius such as <SPAN style="FONT-FAMILY: Courier New">circle(point '(0,0)', 2.0)</SPAN>. <BR>> <BR>> My sql query is like this <BR>> select gid, the_geom, floorarea from "building" as m where m.geom within(GeoFromText(<SPAN style="FONT-FAMILY: Courier New">circle(point '(306404701,6755737)', 200.0))</SPAN>);<BR>> <BR>> But it gives me erro. Does anyone knows where went wrong? <BR>> <BR>> Thanks a lot<BR>> <BR>> </DIV><BR>_______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users </body>
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