KMZ KMPLACEMARK option to add placemarks to raster image
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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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