[OpenLayers-Users] Insert an higher level overview map on a WMS-C map?

[Christopher Schmidt]

On Fri, Nov 06, 2009 at 03:35:00PM -0500, Ryan McKinley wrote:
> Hi-
> 
> I'm looking at tilecache and WMS-C, it looks really good except that I
> need to display a full world overview in a 300x300 box.
> 
> For the WGS84 (EPSG:4326 ) map config, the top level is 2x(256px) big.

You can use whatever tile size you want within OpenLayers and TileCache,
you just won't match up to the tile profiles of everyone else if you do
something unusual.

> Is there any clever way to insert an overview map as the top level of
> a cached map service?  I can imagine something where I swap base layer
> definitions if you zoom out, but that seems like it would be nice to
> have something that worked transparently.
> 
> Thanks for any pointers
> Ryan
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-- 
Christopher Schmidt
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