<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:Arial, sans-serif;font-size:12pt;color:#000000;"><DIV>I'm here again with mi newbie questions. I've been dealing with this issue for a long time and I can't fix it no matter how hard I try.</DIV><DIV>I need to make OL set an initial coordinates and zoom so when I open the browser the map stars in some specific part of the world. <BR></DIV><DIV>I've done it perfectly with an example doing this:</DIV><DIV></DIV><DIV>var options = {<BR> minResolution: "auto",<BR> minExtent: new OpenLayers.Bounds(-1, -1, 1, 1),<BR> maxResolution: "auto",<BR> maxExtent: new OpenLayers.Bounds(-180, -90, 180, 90)<BR> };<BR><BR> map = new OpenLayers.Map( 'map' , options);<BR><BR><BR> layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",<BR><SPAN> "<A target="_blank"
href="http://labs.metacarta.com/wms/vmap0">http://labs.metacarta.com/wms/vmap0</A>", {layers: 'basic'});</SPAN><BR> map.addLayer(layer);<BR><BR> map.setCenter(new OpenLayers.LonLat(-73, 3), 3);</DIV><DIV></DIV><DIV>And it works just the way I want, but when I do this with my map:</DIV><DIV></DIV><DIV></DIV><DIV>var options = {<BR> minResolution: "auto",<BR> minExtent: new OpenLayers.Bounds(-1, -1, 1, 1),<BR> maxResolution: "auto",<BR> maxExtent: new OpenLayers.Bounds(-180, -90, 180, 90)<BR> };<BR><BR> var map = new OpenLayers.Map( 'map' , options);<BR><BR> <BR> var request = OpenLayers.Request.GET(<BR> {url: "dir/smms/wms.php?VERSION=1.1.1&REQUEST=GetCapabilities&SERVICE=WMS",<BR> success: function(response){<BR> var XMLformat = new OpenLayers.Format.XML();<BR>
var xml = XMLformat.read(response.responseText);<BR> var CAPformat = new OpenLayers.Format.WMSCapabilities();<BR> var cap = CAPformat.read(xml);<BR> <BR> for (var i=0; i<cap.capability.layers.length; i++) {<BR> layer = cap.capability.layers[i];<BR> layers_array[i] = new OpenLayers.Layer.WMS( layer.name, <BR> "dir/smms/wms.php", <BR> {'layers': layer.name, format: "image/png"}<BR> );<BR> <BR> <BR> map.addLayer(layers_array[i]);<BR> }<BR> },<BR> failure: function(response){<BR> alert(response.status);<BR> alert("GetCapabilities failed");<BR> }<BR> }); <BR> <BR> map.setCenter(new OpenLayers.LonLat(-73, 3), 3);<BR></DIV><DIV></DIV><DIV></DIV><DIV>IT DOESN'T WORK, I get the error :
maxExtent is null. What can I do??? I hope somebody can help me.<BR><BR></DIV></div><br>
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