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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I just installed PostgreSQL 8.1, supposed to be packaged
with postgis 1.0.4<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>So far I have 2 questions<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The jdbc example provided by the documentation dosen’t
work for me. Given these 2 statements :<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>((org.postgresql.Connection)conn).addDataType("geometry","org.postgis.PGgeometry");<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>((org.postgresql.Connection)conn).addDataType("box3d","org.postgis.PGbox3d");<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This object doesn’t exists : org.postgresql.Connection,
I tried with org.postgresql.PGConnection, but I keep getting class cast
exceptions when doing rs.getObject().. (if I do getString(2) all ok)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Here is my complete test code :<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> ((PGConnection)connection).addDataType("geometry",”org.postgis.PGgeometry”);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
((PGConnection)connection).addDataType("box3d",” org.postgis.PGgeometry”);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> Statement stmt = connection.createStatement();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> ResultSet rs = stmt.executeQuery("select
\"STREET\", AsText(\"geom\") as geom from rue_test");<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> ResultSetMetaData rsmd = rs.getMetaData();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> for(int i=0;i<rsmd.getColumnCount();i++)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> System.out.println("column"+(i+1)+":"+rsmd.getColumnName(i+1));<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> while(rs.next()){<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> String street = rs.getString(1);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
//System.out.println(rs.getObject(2).getClass().getName()+":"+rs.getString(2));<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> PGgeometry geometry = (PGgeometry)rs.getObject(2);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> }<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Second question. I loaded some line objects on my
postgressql database with FME, and the objects are flagged as MULTIPOINT, I
would have expected these objects to be of type LINE or MULTILINE instead. Neverlesss,
when I use some viewers to see these objects they show as lines (FME viewer). Where
I can find real explanations about all geometry types used by postgis. (sorry
but the postgis doc doesn’t help)<o:p></o:p></span></font></p>
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