18,000 POIs are impossible to handle on the client. Consider using a WMS (like GeoServer or Mapserver) to render your POIs, and use OpenLayers.Control.WMSGetFeatureInfo or OpenLayers.Control.GetFeature to make the POIs interactive.
Regards, Andreas. MattL wrote: > I'm working with a large site that contains somewhere in the area of 18,000 > points of interest. I have tried two setup scenarios - the first using a WFS > Layer and Vectors, and the second using a GML Layer (text input) with > Markers. > > Both setups resulted in giving browsers (most noticeably IE6) a huge > workout, causing full CPU load and wait times to process the points. I have > lessened the rendering load by restricting the maxResolution to more > manageable zoom levels, but this can be hit or miss where some areas have > more clusters of data points. > > What options do I have for managing this set of data? What are normal > recommendations when it comes to plotting large sets of data with OL? > -- Andreas Hocevar OpenGeo - http://opengeo.org/ Expert service straight from the developers. _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
