Gere is the link:
http://docs.geotools.org/latest/userguide/library/data/pregeneralized.html
You can configure it to swap between tables (or between geometry columns)
based on scale. Swapping between tables is nice as when zoomed out you can
use a smaller dataset. But even swapping between geometry columns is useful
as you can use geometry with less points speeding everthing up.
The SLD does not know what is going on; it just gets different sets of
geometry to draw.
It works great, something to keep in mind the next time you do performance
optimization for GeoServer.
--
Jody Garnett
On 12 July 2015 at 14:32, Phil Scadden <p.scad...@gns.cri.nz> wrote:
> I can certainly see the value in this - it is a common one for use where
> we have geological maps at 1:50,000, 1:250,000, and 1:1,000,000.The
> generalization that goes on between scales is not trivial and certainly
> not automatic. It would be nice to have them in one service. I am
> interested in the Andrea's comments about a pre-generalized store. Can
> this be elaborated please? I assume this is something that wouldnt work
> of pretty dynamic layers?
>
> --
> Phil Scadden, Senior Scientist GNS Science Ltd 764 Cumberland St,
> Private Bag 1930, Dunedin, New Zealand Ph +64 3 4799663, fax +64 3 477
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