Hello Everybody<BR> <BR>I am new to P<FONT size=+0>ostgress</FONT> and PostGIS and will appreciate your help with the following.<BR>I have a table with addresses and the geocode from the addresses (latitude / longitude). I need<BR>to look for the properties in my table less than 100 meters from a point.<BR> <BR><STRONG>TABLE CREATION</STRONG><BR><STRONG>----------------------</STRONG><BR>create table smarter.vow_properties (property_id serial, address varchar(150), latitude numeric (7,4) , longitude numeric (7,4))<BR>select AddGeometryColumn('smarter','vow_properties','geom',-1,'POINT',2);<BR> <BR><STRONG>TABLE POPULATION</STRONG><BR><STRONG>------------------------</STRONG><BR>insert into smarter.vow_properties(address, latitude, longitude) values ('12 LONG BRIDGE DR,MOUNT LAUREL, NJ 08054','39.940252','-074.921916');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('6 LONG BRIDGE DR, MOUNT LAUREL, NJ
08054','39.939777','-074.922529');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('12 BARTON WAY, MOUNT LAUREL, NJ 08054','39.940323','-074.920154');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('12 ETNA CT, MOUNT LAUREL, NJ 08054','39.943422','-074.920035');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('25 BIDDLE WAY, MOUNT LAUREL, NJ 08054','39.941696','-074.921379');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('4 CARLISLE CT, MOUNT LAUREL, NJ 08054','39.937971','-074.919323 ');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('25 ANN DR, MOUNT LAUREL, NJ 08054','39.940312','-074.915664 ');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('25 FARMHOUSE LN, MOUNT LAUREL, NJ 08054','39.946788','-074.905868');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('25 RALEIGH DR,
MOUNT LAUREL, NJ 08054','39.940080','-074.911597 ');<BR>insert into smarter.vow_properties(address, latitude, longitude) values ('11 ELDERBERRY CT, MOUNT LAUREL, NJ 08054','39.946788','-074.905868');<BR><BR><STRONG>Updating the geom column</STRONG><BR><STRONG>=====================</STRONG><BR>update smarter.vow_properties set geom = makePoint (latitude, longitude);<BR> <BR><STRONG>Looking for properties in my table that are around 100 metters from a point.</STRONG><BR><STRONG>==================================================</STRONG><BR>select * from smarter.vow_properties where geom && Expand(GeomFromText('POINT( 39.940252 -074.905868)',-1),<STRONG>100</STRONG>)<BR>and Distance (GeomFromText('POINT(39.946788 -074.905868)',-1),geom) < <STRONG>100</STRONG>;<BR> <BR><STRONG>What I am doing wrong? No matter what distance I place even 1 metter it return all the rows.</STRONG><BR> <BR>32;"12 LONG BRIDGE DR,MOUNT LAUREL, NJ
08054";39.9403;-74.9219;"0101000000E3361AC05BF84340AC8BDB6800BB52C0"<BR>33;"6 LONG BRIDGE DR, MOUNT LAUREL, NJ 08054";39.9398;-74.9225;"0101000000F163CC5D4BF84340D7A3703D0ABB52C0"<BR>34;"12 BARTON WAY, MOUNT LAUREL, NJ 08054";39.9403;-74.9202;"0101000000E3361AC05BF84340DE718A8EE4BA52C0"<BR>35;"12 ETNA CT, MOUNT LAUREL, NJ 08054";39.9434;-74.9200;"0101000000F085C954C1F843407B14AE47E1BA52C0"<BR>36;"25 BIDDLE WAY, MOUNT LAUREL, NJ 08054";39.9417;-74.9214;"0101000000545227A089F8434034A2B437F8BA52C0"<BR>37;"4 CARLISLE CT, MOUNT LAUREL, NJ 08054";39.9380;-74.9193;"0101000000F2D24D6210F843409FCDAACFD5BA52C0"<BR>38;"25 ANN DR, MOUNT LAUREL, NJ 08054";39.9403;-74.9157;"0101000000E3361AC05BF843409F3C2CD49ABA52C0"<BR>39;"25 FARMHOUSE LN, MOUNT LAUREL, NJ 08054";39.9468;-74.9059;"010100000029ED0DBE30F94340925CFE43FAB952C0"<BR>40;"25 RALEIGH DR, MOUNT LAUREL, NJ 08054";39.9401;-74.9116;"01010000001C7C613255F8434027C286A757BA52C0"<BR>41;"11 ELDERBERRY CT, MOUNT LAUREL, NJ
08054";39.9468;-74.9059;"010100000029ED0DBE30F94340925CFE43FAB952C0"<BR><BR> <BR>Thanks in advance<BR> <BR>Rafael Orta<BR><BR><BR>***************************************************** <br>Rafael Orta Phone: (609)-330-3193 <br>Sr. Oracle DBA Fax: (856)-642-7679 <br>Technical Manager <br>Oraprofessionals Email: rorta_us@yahoo.com <br>******************************************************<p>
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