[ckan-dev] default beaviour of WMS viewer

Tue Dec 17 10:12:15 UTC 2013

In GeoServer you can put layers in separate workspaces and each
workspace has it's own WMS link that only contains layers from that
workspace.
So one way to handle this is create a workspace for each dataset and a
layer for each data file (if more than one) eg.
http://data.gov.au/geoserver/geelong-roofprints-kml/wms accesses all
(one) files from http://data.gov.au/dataset/geelong-roofprints-kml

On Tue, Dec 17, 2013 at 8:54 PM, Elena Camossi
<elena.camossi at ext.jrc.ec.europa.eu> wrote:
> Hi everyone,
>
> I'm trying to visualize in CKAN a dataset that contains several layers in
> OpenLayers created with GeoServer using the WMS viewer.
> The layers have been harvested as different datasets, each one is correctly
> uploaded as WMS in CKAN, but since they point to the same GetCapabilities
> request, when I open any of them I see always the same layer in the preview
> (the first the in the GetCapabilities).
>
> That would not be that bad, because in theory you can choose interactively
> the layers to visualize and even overlay different layers... Unfortunately
> the list of available layers is truncated to the first 14 layers (but there
> are many others that I cannot see).
>
> I have tried putting the GetMap request (pointing to the specific layer)
> instead of the GetCapabilities in the dataset URL, but the viewer doesn't
> work, the page remains empty with a Loading... message  (I don't get any
> error in the log, and the Development Console of the broswer says HTTP 200
> OK).
> Anyway, this would not be a good solution in the end because you lose the
> overlay functionality...
> As last chance, I manage to visualize the image of the layer modifying its
> format as a PNG, or GIF, but in this way you loose completely any geospatial
> functionality.
>
> Is there any way to change the default behaviour of the viewer, showing a
> different layer instead of the first one listed in the GetCapability? Or to
> configure differently the viewer to show the layer using the GetMap request?
>
> Thanks in advance for any help.
>
> Kind regards,
> -Elena
>
>
>
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