ogc wms 1.1.1 - Nested layers
-----------------------------
Key: GEOS-3273
URL: http://jira.codehaus.org/browse/GEOS-3273
Project: GeoServer
Issue Type: Improvement
Components: WMS
Reporter: Milo van der Linden
Assignee: Andrea Aime
As described in paragraph 7.1.4.4 of the Official OGC wms 1.1.1 specification (http://portal.opengeospatial.org/files/?artifact_id=1081&version=1&format=pdf)
We would like to be able to assign a Layer-group For WMS to act as a parent for the underlying layers, making it possible to show layers through the GetCapabilities in the following way
<Layer>
<Name>the defined grouplayer name</Name>
...
<Layer queryable="1">
<Name> the REAL layer 1</Name>
....
</Layer>
<Layer queryable="1">
<Name> the REAL layer 2</Name>
</Layer>
...
</Layer>
7.1.4.4 Layers and Styles
The most critical part of the WMS Capabilities XML is the Layers and Styles it defines.
Each available map is advertised by a <Layer> element in the Capabilities XML. A
single parent Layer encloses any number of additional layers, which may be
hierarchically nested as desired. Some properties defined in a parent layer are inherited
by the children it encloses. These inherited properties may be either redefined or added
to by the child. Section 7.1.4.7 defines whether or how each property is inherited.
A Map Server shall include at least one <Layer> element for each map layer offered. If
desired, layers may be repeated in different categories when relevant.
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