Erensto thanks for the reply, <br><br>I am using postgresql <a href="http://8.2.3.1">8.2.3.1</a>, and Postgis <a href="http://1.2.1.1">1.2.1.1</a><br><br>whereas my app was working fine before, i needed to try and see how mapserver would deal with two "identical" points in the database.... well it pretty much stops working when that layer is on now.
<br><br>about the classes. <br><br>i simply need a postgis layer to have two classes, these need to contain more that one expression value - not dynamically. example <br><br>layer x<br><br>class 1<br>EXPRESSION ([ID_specie_att]=2) and also EXPRESSION ([ID_specie_att]=3) and EXPRESSION ([ID_specie_att]=4)
<br><br>class 2 <br>EXPRESSION ([ID_specie_att]=5)EXPRESSION ([ID_specie_att]=6)EXPRESSION ([ID_specie_att]=7)<br><br>i cant seem to get my head around a syntax to tell the EXPRESSION that it is actually a list of values.
<br><br><br>Thanks for the help, <br><br>Giuseppe<br><br><div><span class="gmail_quote">On 6/14/07, <b class="gmail_sendername">Ernesto Vega</b> <<a href="mailto:ernesvega@gmail.com">ernesvega@gmail.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Giuseppe :<br><br>I´ve never been into the situation of having 2 points overlapped.<br><br>For a better idea is useful to send which versions of postgresql and
<br>postgis your are using.<br><br>For the class question:<br><br>Are you planning to dynamically change your parameter ?<br><br>If so, you must read the chapter dedicated on how to use parameters on<br>mapserver site, otherwise you may have no choice because of what you
<br>want to alter within a class<br><br>hope this helps.<br><br>Ernesto Vega<br><br>On 6/14/07, Giuseppe Molinario <<a href="mailto:g.molinario@gmail.com">g.molinario@gmail.com</a>> wrote:<br>> Hi everyone,<br>>
<br>> I am working with a postgis point table that needs to be displayed in a<br>> mapserver application (pmapper).<br>><br>> my problems:<br>><br>> 1. what happens when two points are in the same exact location? ( the rows
<br>> in my table can sometimes have the identical lat long coordinates and<br>> therefore geometry column.)<br>><br>> how can i set the mapfile to show me both points and labels? is this ever<br>> possible? I realize this is a bit of werid question, but i am not asking
<br>> about topology...just nuts and bolt postgis/mapfile....<br>> the query tool does not respond anymore. seems like having two identical<br>> points prevents the query tool from working<br>> this all worked prior to me having "overlapping" points2. different
<br>> question. Layer>class in mapfile: I have an EXPRESSION object that goes like<br>> this EXPRESSION ([ID_specie_att]=2) now how do i get the SAME class to<br>> display both points that have value 2,3,4,5,6? Do i really have to make 5
<br>> different classes? I would rather not because i don't want them in my<br>> legend.<br>><br>><br>> thanks very much for any help.<br>><br>> Giuseppe<br></blockquote></div><br>