[Users] Users Digest, Vol 13, Issue 9

[Ozgur Zan]

Dear Tim,

Thanks for your support. I used the GetFeatureInfo example from OpenLayers
but it did not work. The error message is that it can not find the
"proxy.cgi". Do you know what shall we write or redirect for the value of
"OpenLayers.ProxyHost"?

BR,
Ozgur




On Fri, Feb 12, 2010 at 1:00 PM, <users-request at geoext.org> wrote:

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>    1. Re: One basic question (Tim Schaub)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Thu, 11 Feb 2010 11:15:32 -0700
> From: Tim Schaub <tschaub at opengeo.org>
> Subject: Re: [Users] One basic question
> To: users at geoext.org
> Message-ID: <4B744944.4030104 at opengeo.org>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Ozgur Zan wrote:
> > Dear List member,
> >
> > I have installed Geoserver and using Geo Ext (OpenLayers, Ext Js, GWT) I
> > design the interfaces for navigating layers in a map. I appreciate if you
> > can help me with the following basic question:
> >
> >   - The aim is to display further information about the place where the
> user
> > clicks in the WMS layer. It already works in Geoserver but not in GeoExt.
> I
> > do not know how to fetch (which protocol, format, functions to use) data
> > from Geoserver to Geo Ext.
> >
>
> The WMS protocol defines a GetFeatureInfo method.  You can issue a
> GetFeatureInfo to get information about any number of layers based on a
> user's click.  When the response returns, you can display the server
> generated info in a popup (for example).
>
> Relevant example from OpenLayers:
> http://openlayers.org/dev/examples/getfeatureinfo-popup.html
>
> The WFS protocol defines a GetFeature method.  You can issue a
> GetFeature request to get feature data based on a click (bounding box or
> other filter in a query).  When the response returns, you can render any
> features or feature attributes on the client.
>
> Relevant example from OpenLayers:
> http://openlayers.org/dev/examples/getfeature-wfs.html
>
> The WMSGetFeatureInfo control from OpenLayers can be wrapped in a
> GeoExt.Action if you want to add a button to an Ext toolbar:
> http://dev.geoext.org/trunk/geoext/examples/toolbar.html
>
> You can also use a GeoExt.Popup to display content anchored to the map:
> http://dev.geoext.org/trunk/geoext/examples/popup.html
>
> Hope that helps point you in the right direction.
>
> Tim
>
> > Thanks for your support in advance.
> > Ozgur ZAN
> >
> >
> >
> > ------------------------------------------------------------------------
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>
> --
> Tim Schaub
> OpenGeo - http://opengeo.org
> Expert service straight from the developers.
>
>
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> End of Users Digest, Vol 13, Issue 9
> ************************************
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