[OpenLayers-Users] WMSGetFeatureInfo show data from other layer in custom popup

[Paul Meems]

Yes Bart I'm using GeoServer.

It seems 'Cross-layer filtering' is exactly what I need.
I will investigate it further.

Bedankt,

Paul


2012/11/22 Bart van den Eijnden <bartvde at opengeo.org>

> What WMS are you using?
>
> If you're using GeoServer, check out:
>
> http://docs.geoserver.org/latest/en/user/extensions/querylayer/index.html
>
> Best regards,
> Bart
>
> --
> Bart van den Eijnden
> OpenGeo - http://opengeo.org
> Expert service straight from the developers.
>
>
>
> On Nov 22, 2012, at 11:46 AM, Paul Meems <bontepaarden at gmail.com> wrote:
>
>  I have two layers:
> * Buildings
> * Roof tops
>
> I now have implemented OpenLayers.Control.WMSGetFeatureInfo on the roof
> tops layer.
> This works great and a popup is shown with the data.
>
> I want to change this so that WMSGetFeatureInfo works on the Buildings
> layer.
> I know how to do that, but instead of showing the data of the building I
> want to show the data of the roof tops that belong to that building.
> I can get the roof tops using the building ID but how do I make
> WMSGetFeatureInfo fill my popup with the roof top data?
>
> I think I need to call a php-file that returns a json string with the data.
> I'm doing something similar when looking for addresses.
> I also need to change the popup so that every roof top gets its own tab.
>
> Any advice would be much appreciated.
>
> Thanks,
>
> Paul
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