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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi QGIS users<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a problem getting Mapserver to display vector line features which I created with QGIS and saved as spatial objects in MySQL…….I asked for some advice on this from the Mapserver forum yesterday but had no responses, perhaps someone in this forum has some experience to offer?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As explained in the question below, I can create line features in QGIS, save them in a MySQL table, and recall and display them with QGIS without any problem. But the same features do not appear to be recognised by OGRInfo or by Mapserver. The line features are saved as BLOB data in a MySQL MyISAM table in a column which is defined as type ‘geometry’. MySQL can create a spatial index of these features.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The table is accessed by QGIS as a database layer via the ‘Add Vector Layer’ dialogue. I am using QGIS 1.7. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It’s not really a QGIS problem, but I spent all day wrestling with this yesterday but have not solved it. Any suggestions?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Chris<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>############################################################################### <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m having some trouble with an OGR connection to a MySQL database. The data I’m trying to access was created using QGIS as a line layer and saved in a MySQL table as a BLOB in a geometry column. I can access and properly display this line data using QGIS, but not so far via Mapserver – nothing is drawn and I can’t see any error.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using Mapserver 6.0 and my mapfile is very similar to the example in theMapserver / MYSQL documentation:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>LAYER<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> NAME "testLine" <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> TYPE LINE<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> STATUS DEFAULT<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> CONNECTIONTYPE OGR<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> CONNECTION "mysql:testDB,user=admin,password=password,port=3306" <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> DATA "SELECT Geometry from testLine"<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> CLASS<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> STYLE <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> COLOR 0 0 0<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> WIDTH 2 <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> END # style<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'> END # class<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>END # layer<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'>If I look at the MySQL table using OGRinfo I see the following:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>Layer name: testLine<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>Geometry: Unknown (any)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>Feature Count: 0<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>Layer SRS WKT: <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>(unknown)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>FID Coumn = id<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'>Geometry Column = Geometry<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'>The issue seems to be that OGRInfo and therefore MapServer does not recognise any features in the table, but QGIS using access to the same table finds and displays the features.<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal>Anyone have any ideas what I am doing wrong?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Chris<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>