Hello list!
I'm trying to serve a huge dataset of buildings with elevation values for a
large city.
I've got a shapefile - about 60 megabytes of polygons with z-values and I'm
serving it with geoserver and the client application is Google Earth.
So the strategy is to make the client download this dataset partially on
demand, depending on the bbox, which the user is currently at.
I've read all the docs about serving kml with geoserver, so I guess I have
to configure a superoverlay strategy for my published layer.
So in layer page of the gui I set "Default Regionating Attribute" to "id"
and "Default Regionating Method" to "external sorting" and I also leave the
field "Features Per Regionated Tile" blank because I really don't know the
size of the tile and how many features should be there.
Then I start Google Earth and add a network link like this:
http://gissrv:8080/geoserver/wms/reflect?layers=uno:allhouse&format=application/vnd.google-earth.kml+xml&mode=superoverlay
Then nothing happens - I wait for hours, zoom in and out, GE eats about 1GB
of RAM, but I don't see any buildings - just an indicator that it's loading
forever.
When I try to serve a smaller amount of data - just one clipped district, it
loads in one piece and shows up wonderful - all the buildings, extruded by
their z-values with attributes in popups.
But I need to serve the whole dataset.
Am I doing something wrong here? Maybe I have to configure something else?
Please help me out. I've tried lot's of variants and I can't even figure out
is superoverlay strategy working or not.
Thanks
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