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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Try things outside of OpenLayers first, easier to debug that way. I’ll try and whip up a test case in the meantime on my end to verify the syntax. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Asad Ullah [mailto:Asad.Ullah@sigmaspace.com] <br><b>Sent:</b> Tuesday, March 29, 2011 1:20 PM<br><b>To:</b> Lime, Steve D (DNR)<br><b>Subject:</b> RE: Overriding MapServer Map File "DATA" parameter <o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Steve,<br>Thanks very much for your quick response. I added validation to my mapfile layer object but still it is not working. anyother suggestion? I am wondering if the syntex </span><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif";color:red'>"map.layer[Terra250tif]":"DATA terr_ndvi.vrt"</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> I use in openlayer is correct.<br><br>Thanks,<br><br>Asad<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:black'><a href="https://mail.sigmaspace.com/ecp/Customize/www.sigmaspace.com%20"><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'><br></span></a><o:p></o:p></span></p></div></div><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><hr size=2 width="100%" align=center></span></div><div id=divRpF671796><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Lime, Steve D (DNR) [steve.lime@state.mn.us]<br><b>Sent:</b> Tuesday, March 29, 2011 12:24 PM<br><b>To:</b> Asad Ullah; mapserver-users@lists.osgeo.org<br><b>Subject:</b> RE: Overriding MapServer Map File "DATA" parameter </span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='color:#1F497D'>You need to set a validation pattern to muck with the DATA attribute. You’d add something like this to your layer definition:</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>VALIDATION</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> ‘data’ ‘^terr_.*\.vrt$’</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>END</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Steve</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in 0in 0in;border-color:-moz-use-text-color -moz-use-text-color'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> mapserver-users-bounces@lists.osgeo.org [mailto:mapserver-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Asad Ullah<br><b>Sent:</b> Tuesday, March 29, 2011 10:43 AM<br><b>To:</b> mapserver-users@lists.osgeo.org<br><b>Subject:</b> [mapserver-users] Overriding MapServer Map File "DATA" parameter </span><span style='color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>List,<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>I am trying to override virtual raster (.vrt) file defined in mapfile with a different one from a list of vrt files. I am using Opnelayers and Mapserver 5.6.6 to create map. In Openlayers, I have tried:<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>var Terra250tif = new OpenLayers.Layer.MapServer( "Terra250m_bands1-4-3", <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> "http://192.225.64.118/cgi-bin/mapserv?",<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='color:black'>{<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-size:14.0pt;color:red'>layers:"Terra250tif","map.layer[Terra250tif]":"DATA terr_ndvi.vrt",</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='color:black'>map: '/usr/local/apache/htdocs/mapfiles/rrglobal_terra_250m_2011052jpg.map'<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='color:black'>}, {singleTile:false});<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>The relevant part of the mapfile is:<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>LAYER </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>NAME "Terra250_367jpg"</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> TYPE RASTER</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> STATUS DEFAULT</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> OFFSITE 0 0 0</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> PROJECTION</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> "init=epsg:4326" </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> END</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> DATA "terr_250m_2011052jpg.vrt"</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> CLASS</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> STYLE </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> BACKGROUNDCOLOR 255 255 255</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> END </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> END</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>END</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>I looked at “mapserver.osgeo.org/cgi/controls.html…..” but that did not helped. So, could anyone help with this.</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Thanks,</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Asad</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='color:black'><o:p></o:p></span></p></div></div></div></div></div></body></html>