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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you Matt for your reply,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The code comes from the OpenLayers example : <a href="http://openlayers.org/dev/examples/wmc.html">http://openlayers.org/dev/examples/wmc.html</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So I do wmcFormat = new OpenLayers.Format.WMC(); to write and read contexts.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>What I need, as you said, is to change the options of my map with the parameters of the context (BoundingBox, ZoomLevel, layers visible or not…). I don’t want to merge the result like the openlayers example.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The problem is that wmcFormat.read(context, {map: mapOptions}) returns a map.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So when I do </span><span lang=EN-US>map.setOptions(wmcFormat.read(context,{map:mapOptions}); nothing happens.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The result is that I need to know the map options contained in my context but I only access to a map with the wmcFormat.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Do I have to extract the informations from the context (XML format) to set the options and refresh all GeoExt widgets by myself ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Arno<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Matt Priour [<a href="mailto:mpriour@kestrelcomputer.com">mailto:mpriour@kestrelcomputer.com</a>] <br><b>Envoyé :</b> lundi 9 janvier 2012 17:42<br><b>À :</b> Arnaud Jean-Charles<br><b>Cc :</b> 'Users'<br><b>Objet :</b> Re: [Users] MapPanel refresh after a wmcFormat.read()<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>I'm not sure what exactly you are trying to do, but I can assure you that you are doing wrong. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>map.destroy();</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>NO! Never destroy the map unless you want it really and truly gone for good.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>var jsonFormat = new OpenLayers.Format.JSON();</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>var mapOptions = jsonFormat.read('{"allOverlays": true}');</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>OL.Format.JSON is for reading JSON "encoded" vector features into a layer. You do NOT need this to simply set options. mapOptions = {allOverlays:true}; instead of the 2 lines and quoted strings you have used. However, again, you should only be setting that once and creating the map once, NOT attempting to fully destroy the map and recreate it everytime you want to read or refresh a data source.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>map = wmcFormat.read(context, {map: mapOptions}); </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>Instead of this you should use:<br>map.setOptions(wmcFormat.read(context,{map:mapOptions});<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The FireFox error is : layers is null in MapPanel.js (ligne 301)</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>And do I have to re-build all the GeoExt widgets (ScaleStore, LegendPanel, OverviewMap…) which are bind to my map ??</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US><br>Thanks for the hel</span><span lang=EN-US style='color:#1F497D'>p</span><span lang=EN-US><br><br></span><span lang=EN-US style='color:#1F497D'>Arno</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br><br><o:p></o:p></span></p><pre><span lang=EN-US>_______________________________________________<o:p></o:p></span></pre><pre><span lang=EN-US>Users mailing list<o:p></o:p></span></pre><pre><a href="mailto:Users@geoext.org"><span lang=EN-US>Users@geoext.org</span></a><span lang=EN-US><o:p></o:p></span></pre><pre><a href="http://www.geoext.org/cgi-bin/mailman/listinfo/users"><span lang=EN-US>http://www.geoext.org/cgi-bin/mailman/listinfo/users</span></a><span lang=EN-US><o:p></o:p></span></pre><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p></div></body></html>