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<P><FONT SIZE=2>Classification: <U><B> UNCLASSIFIED</B></U><B></B> </FONT></P>
<P><FONT SIZE=2>Caveats: NONE</FONT></P>
<P><FONT SIZE=2> </FONT></P>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello All,<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 am trying to use the mapOverlay plugin to draw data from a
SQL query onto a layer.<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'>From my ServerMyplugin.php:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>public function handlePreDrawing($request) {<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer
= new LayerOverlay();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer->name
= "block_groups_pl";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer->connectiontype
= "postgis";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer->connection
= "user=USER password=PASSWORD dbname=DBNAME host=HOSTNAME
port=5432";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer->classitem
= "hpdif_class";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $layer->data
= "shape from ( SELECT mb.shape as shape, mb.roco as roco_id……<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $mapOverlay
=$this->serverContext->getPluginManager()->mapOverlay;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> $mapOverlay->updateMap($layer);<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 SQL query works if defined in a map file, but I am
trying to set several parts of it as user defined variables. I edited the
connection statement for public dissemination.<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'>However the error message I get is:<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'>class: SoapFaultWrapper<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>message: Mapserver error: Error in msDrawMap():
Failed to draw layer named 'block_groups_pl'.<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'>Error in msSHPOpenFile(): (/var/www/geoblaze/cartoweb3/projects/c111_sc2/server_conf/c111_sc2/shape
from ( SELECT mb.shape as shape, mb.roco as roco_id,…..<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'>This does work if I replace the SQL query with the path to a
shape file. Is there something else I need to do to get this to work?
According to the documentation it should function as presented.<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'>Thank you,<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'>--Donald<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=MsoPlainText style='margin:0in;margin-bottom:.0001pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>Donald Z Cowart<o:p></o:p></span></font></p>
<p class=MsoPlainText style='margin:0in;margin-bottom:.0001pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>SAJ GIS Web
Architect<o:p></o:p></span></font></p>
<p class=MsoPlainText style='margin:0in;margin-bottom:.0001pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>904-232-1215<o:p></o:p></span></font></p>
<p class=MsoPlainText style='margin:0in;margin-bottom:.0001pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>Donald.z.cowart@saj02.usace.army.mil</span></font><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=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
<P><FONT SIZE=2> </FONT></P>
<P><FONT SIZE=2>Classification: </FONT><U></U><U><B> <FONT SIZE=2>UNCLASSIFIED</FONT></B></U><B></B> </P>
<P><FONT SIZE=2>Caveats: NONE</FONT></P>
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