browsers can't handle a large number of vector features, IE is far worse than other browsers, especially older versions.
The solution is to use a map server to render these images server side On Thu, May 31, 2012 at 10:43 AM, Doug Kunzman <dkunz...@usgs.gov> wrote: > I'm trying to draw using open layers a collection of polygons and > multipolygons that I retrieve using JSON that represent the US county > boundaries. > I've used a smoothing algorithm to reduce the number of points by about 80% > when using IE. > It displays in under a minute using Firefox. It takes about 6 minutes to > display in IE. > > I've created a refresh strategy and set the update interval to 0. So I > shouldn't update the layer unless I've just added the polygons. > Which I draw using redraw. > > I have everything in the same projection. > > I've used a javascript and haven't discovered anything unusual. > > > Does anyone else have any other suggestions? > > Doug > > > _______________________________________________ > Users mailing list > us...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/openlayers-users > -- Zac Spitzer Solution Architect / Director Ennoble Consultancy Australia http://www.ennoble.com.au http://zacster.blogspot.com +61 405 847 168 _______________________________________________ Users mailing list us...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-users