KMZ KMPLACEMARK option to add placemarks to raster image
--------------------------------------------------------

                 Key: GEOS-2030
                 URL: http://jira.codehaus.org/browse/GEOS-2030
             Project: GeoServer
          Issue Type: Improvement
          Components: Google Earth KML Output, WMS
            Reporter: Wayne Fang
            Assignee: Andrea Aime
            Priority: Minor
         Attachments: kmplacemark.patch

See the [KMZ KMSCORE feature 
addition|http://geoserver.org/display/GEOS/KMZ+KMSCORE+feature+addition] 
proposal.
See [03 Google Earth 
Features|http://geoserver.org/display/GEOSDOC/03+Google+Earth+Features] for 
usage.

Normally when a raster image is returned, there is no extra data returned such 
as the name of the feature. This is normally only returned when KML is 
returned. But in the example of your viewport zoomed in to a small area of a 
very large feature, it would normally have to return that whole large feature - 
which can be slow. With KMSCORE and KMZ output, you can speed this up by 
returning a raster image instead. But without additional information such as 
the name of the feature, this is not always useful. 

The KMPLACEMARK format option can be used to provide placemarks in addition to 
the raster image; one folder for each image and one placemark for each feature 
polygon. Each placemark will display the name of the polygon, placed in the 
same location as the polygon's label would be. The placemark's description 
field may contain non-spatial attribute values as per the feature type's 
description template.



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