On Tue, Aug 11, 2009 at 03:37:21PM -0500, Mak Kolybabi wrote: > For my current application, I need to simplify roads as much as possible. > PostGIS provides > the ST_Simplify function for this, and it works wonderfully. For obvious > reasons, the > closer I zoom into the layer, the simplifications that were fine when zoomed > further out > gradually become unacceptable. > > Is there a way to make OpenLayers query a different (TMS) source based on the > zoom level? > If this can be done, I'll be able to tune the ST_Simplify tolerance parameter > for each > zoom level.
Why not use scale-dependant rendering on the backend to select a different datasource/layer when zoomed in vs. zoomed out? Regards, -- Christopher Schmidt MetaCarta _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
