Hi,
This is due to the same origin policy in browsers that means you can't
access data from a URL on a different server.
You can set up a proxy, or you can use a technique described here -
http://geographika.co.uk/accessing-cross-domain-data-with-yql
Regards,
Seth
--
web:http://geographika.co.uk
twitter: @geographika
On 01/04/2011 13:47, Sukuchha Shrestha wrote:
Dear all,
I want your help in solving this issue of populating WMS capabilities
in a Tree in GeoEXT. I want to populate a WMS layers name in a
tree.There is an example about it in
http://api.geoext.org/1.0/examples/wms-tree.html.
var root = new Ext.tree.AsyncTreeNode({
text: 'GeoServer Demo WMS',
loader: new GeoExt.tree.WMSCapabilitiesLoader({
url: 'capabilities.xml',
autoload:true,
layerOptions: {buffer: 0, singleTile: true, ratio: 1},
layerParams: {'TRANSPARENT': 'TRUE'},
// customize the createNode method to add a checkbox to nodes
createNode: function(attr) {
attr.checked = attr.leaf ? false : undefined;
return
GeoExt.tree.WMSCapabilitiesLoader.prototype.createNode.apply(this,
[attr]);
}
})
});
I have a capabilites XML in a local folder. I set the relative path
but nothing happens? When i see in firebug, it is firing with options
without with GET and hence no XML is read ! I tried with absoulute
path as well for one of the website
(http://www.lv-bw.de/dv/capabilities.xml) but no avail.
Even in the examples in geoext.org if i change url of
data(wmscap.xml): to absoulute URL
http://api.geoext.org/1.0/examples/data/wmscap.xml, layers are not
loaded in the tree. i scramble a bit in the mail list, and saw some
people were talking about this type of problem and were saying it
might be due to some proxy stuff. But i still dont have a clear clue,
why this is not working?
Any input would be greatly appreciated.
Regards
Sukuchha
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