Re: [Gwt-openlayers-users] Producing clickable layers from WMS

[Edwin C. <com...@gm...>]

Hi Lukas,

In the code in trunk there is a WMSGetFeatureInfo example, similar to
the example you reference. It uses a simple proxy included in the
latest GWT-OL from trunk.

With WMSGetFeatureInfo you have to be aware that there is no standard
for WMSGetFeatureInfo output. In GeoServer you can define templates
for this output, see here:
http://geoserver.org/display/GEOSDOC/GetFeatureInfo+templates

It would be great if you want to contribute enhancements back to GWT-OL.

Greetings,
Edwin

On 17 June 2010 08:55, Lukas Johansson <luk...@de...> wrote:
> I will within a two weeks add this functionality to our app, (we’re
> currently using WFS but need to handle larger amount of data which get
> impossible to load with WFS).
>
> The plan is to use the technique shown in
> http://openlayers.org/dev/examples/getfeatureinfo-popup.html to be able to
> produce popups for WMS-layers as well.
>
> I’m not sure if gwt-ol implements all that I need to use, but if not, I will
> implement those parts myself and send them back as a patch.
>
> /Lukas
>
> Från: Couzic Mikael [mailto:mik...@gm...]
> Skickat: den 16 juni 2010 13:21
> Till: Philipp Verhoeven
> Kopia: gwt...@li...
> Ämne: Re: [Gwt-openlayers-users] Producing clickable layers from WMS
>
>
>
> Hi Philipp,
>
> I needed this kind of functionnality, but I didn't use WMS, just WFS.
> The idea is to get your polygons from the WFS protocol, and load them into
> your VectorLayer. If your polygons are static, you can even use GML files.
> But I'm not sure that's what you're looking for, as this solution implies
> the WMS is completely independant from the polygons.
>
> Ask me if you want more info, I could even provide you with sample code if
> you want.
>
> Cheers,
> Mikael
>
> 2010/6/16 Philipp Verhoeven <ve...@go...>
>
> Hi,
>
> I'm looking for a solution to make any wms layer clickable. That means that
> there should be areas - which are bounded by a polygon - that show an
> information bubble when hovering over.
> Does anyone have experience in this field? As far as I know gwt-openlayers
> does not support this feature.
>
> I found a suitable example for openlayers using a WFS:
> http://openlayers.org/dev/examples/getfeature-wfs.html
>
> It is possible to add the needed funcionality and build the .jar by myself,
> right?!
>
> I'm thankful for any idea or comment on this.
>
> Cheers,
> Philipp
>
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