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- .. _ge-tutorial-superoverlays-gwc:
- Super-Overlays and GeoWebCache
- ==============================
- Overview
- --------
- This tutorial explains how to use `GeoWebCache <http://geowebcache.org>`_ (GWC) to enhance the performance of super-overlays in Google Earth. For more information please see the page on :ref:`ge_feature_kml_super_overlays`
- Conveniently GeoWebCache can generate super-overlays automatically. With the standalone GeoWebCache it takes minimal amount of configuration. Please see the `GeoWebCache documentation <http://geowebcache.org/trac/wiki/configuration>`_ for more information on the standalone version of GeoWebCache.
- We are going to use the plug in version of GeoWebCache where there is no configuration need. For this tutorial we are also using the topp:states layer.
- Using the GeoWebCache plug in with super-overlays
- To access GWC from GeoServer go to http://localhost:8080/geoserver/gwc/demo/. This should return a layer list of similar to below.
- .. figure:: ../../../../geowebcache/webadmin/img/demopage.png
- To use a super-overlay in GeoWebCache select the KML (vector) option display for each layer. Lets select topp:states.The url would be http://localhost:8080/geoserver/gwc/service/kml/topp:states.kml.kmz
- After doing so you will be presented with a open option dialog, choose Google Earth.
- .. figure:: images/openingkmz.png
- When Google Earth finishes loading you should be viewing a the topp:states layers.
- .. figure:: ../googleearth.jpg
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