[OSGeo-Discuss] WMS and layer stacking.

[P Kishor]

On Wed, Sep 15, 2010 at 3:59 PM, Ian Turton <ijturton at gmail.com> wrote:
> On Tue, Sep 14, 2010 at 2:59 PM, Bob Basques
> <Bob.Basques at ci.stpaul.mn.us> wrote:
>> All,
>>
>> does anyone know if there is a layer hierarchy setting in the WMS service,
>> which layers are on top of which layers (Z value=)?
>>
>
> There is an "opaque" hint in the capabilities document that suggests
> that the layer should be a base layer. Other than that the layers are
> just drawn in the order the client requests them and there is no
> implied ordering from the capabilities file. For example GeoServer
> returns the layers in alphabetical order by namespace then layer name.
>


I was quite under the belief that the layers were requested, delivered
and drawn in the order they appeared in the map.addLayers([array])
invocation.


> Ian
> --
> Ian Turton
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-- 
Puneet Kishor http://www.punkish.org
Carbon Model http://carbonmodel.org
Charter Member, Open Source Geospatial Foundation http://www.osgeo.org
Science Commons Fellow, http://sciencecommons.org/about/whoweare/kishor
Nelson Institute, UW-Madison http://www.nelson.wisc.edu
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