[Users] WMSCapabilities loading in a tree problem

[geographika]

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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