I think you're starting to push the browser limits with that many vector features..
Sent from my mobile device On Jun 10, 2011, at 3:56 PM, JK Chen <[email protected]> wrote: > Hi, > > > > My program creates 2000 markers, each associated with a polygon, which > represents the area of an aerial image. > > > > When I pan the map, the features that now go in the viewport are not always > get drawn. If I click on the vector layer Select item in the switcher > control, then they are drawn after clicking on the switcher. > > > > 1. What could cause the problem of no-drawing? > > 2. I noticed noticeable performance latency. Any idea how to improve or > how to design when dealing with thousands (could be tens of thousands) of > markers/polygons? > > > > Thanks for your help. > > > > JK > > > > > > > > <Clipboard01.jpg> > _______________________________________________ > Users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/openlayers-users
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