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Alex Rivera
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I have a similar problem to this post . I need to display up to 1000 polygons on an embedded Google map. The polygons are in a SQL database, and I can render each one as a single KML file on the fly using a custom HttpHandler (in ASP.NET), like this http://alpha.foresttransparency.org/concession.1.kml . Even on my (very fast) development machine, it takes a while to load up even a couple dozen shapes. So two questions, really: What would be a good strategy for rendering these as markers instead of overlays once I'm beyond a certain zoom level? Is there a publicly available algorithm for simplifying a polygon (reducing the number of points) so that I'm not showing more points than make sense at a certain zoom level?
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