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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>“I don't know if it is possible at the map level...” – It’s not, opacity is a layer or style-level parameter. For opaque maps many of the client environments (e.g. OpenLayers) provide controls for such things. In that case I would think it’s better to use the client support than produce RGBA output via MapServer…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Steve <span style='color:#1F497D'><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";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> mapserver-users-bounces@lists.osgeo.org [mailto:mapserver-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Olivier Bedel<br><b>Sent:</b> Tuesday, November 16, 2010 12:18 PM<br><b>To:</b> Clément MONIER<br><b>Cc:</b> mapserver-users@lists.osgeo.org<br><b>Subject:</b> Re: [mapserver-users] opacity<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Clément,<br><br>To change layers opacity in cgi call, something like that should work :<br><a href="http://yourServer/cgi-bin/mapserv?map=yourMapfile&map.layer">http://yourServer/cgi-bin/mapserv?map=yourMapfile&map.layer</a>[yourLayerName1]=OPACITY%20yourOpacityValue1&map.layer[yourLayerName2]=OPACITY%20yourOpacityValue2<br><br>I don't know if it is possible at the map level...<br><br>Regards,<br>Olivier.<br><br>Le 16/11/2010 18:54, Clément MONIER a écrit : <o:p></o:p></p><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Is it possible to set layer’s opacity dynamically ? with runtime substitution ?<o:p></o:p></p><p class=MsoNormal>is there a way to set opacity for all layers of a mapfile ?<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Thank you for your help<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Clem<o:p></o:p></p><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>mapserver-users mailing list<o:p></o:p></pre><pre><a href="mailto:mapserver-users@lists.osgeo.org">mapserver-users@lists.osgeo.org</a><o:p></o:p></pre><pre><a href="http://lists.osgeo.org/mailman/listinfo/mapserver-users">http://lists.osgeo.org/mailman/listinfo/mapserver-users</a><o:p></o:p></pre><pre> <o:p></o:p></pre><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><br><o:p></o:p></span></p><pre>-- <o:p></o:p></pre><pre>Olivier BEDEL<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>ALKANTE SAS<o:p></o:p></pre><pre>Ingénieur R&D SIG<o:p></o:p></pre><pre>1, rue du Chêne Morand<o:p></o:p></pre><pre>35 510 Cesson-Sévigné<o:p></o:p></pre><pre>Bur: + 33 (0) 2 99 22 25 70<o:p></o:p></pre><pre>fax : + 33 (0) 2 99 32 12 76 <o:p></o:p></pre></div></body></html>