Something like in these examples: http://geoserver.org/display/GEOSDOC/ComplexLabelingExample
- mika - Lehtonen, Mika kirjoitti: > Hi again, > no, I believe you could use sld in this, of course in that case you > shift to wms. OGC spesification lets you use filters like > PropertyIsGreaterThan and PropertyIsLessThan and so on, in your sld. > Though I think there are more sophisticated approaches into this. Some > people use wms when zoomed out and shift into other methodes when > zooming in. Hard to suggest anything specific with information provided, > I am afraid. > > But as this is the Openlayers Users list, it might be wiser to move to > Geoserver list, if you like know more what you can do with it. > > - mika - > > willson kirjoitti: > >> Hi, >> if you were using Geoserver and wms, dynamic symbolizer could help you. >> Check the following out: >> >> http://blog.geoserver.org/2008/12/08/dynamic-symbolizers-part-1/ >> >> - mika - >> >> >> willson kirjoitti: >> >> >>> Hi, >>> try to search mailing list for strategies, performance. I have the same >>> problem not solved yet. It looks I will have to render at server site. >>> >>> Michal >>> >>> >>> Hi everyone, this is the first post on this forum. I have search the >>> problem on the forum, but find no anwser. >>> What I need to solve is: I have more than 400 points need to show on the >>> map, these points query my db every 10 secs, and change their color >>> according to the return value. >>> I use the openlayers.layer.marker to implement, but in ie the markers make >>> the map so slow when zooming. >>> Then I move to openlayers.layer.vector, but it's even slower than marker. >>> Any suggestion in such "Adding large and dynamically changed markers" >>> situation? >>> >>> >>> >>> >>> hi, render in serverside(may be wms) can improve the performance much, but >>> how to make markers dynamically change color? Any solution? >>> >>> >>> >>> >> _______________________________________________ >> Users mailing list >> Users@openlayers.org >> http://openlayers.org/mailman/listinfo/users >> >> >> >> hi, >> Yes, I am using geoserver and wms. I have look at the link, but it may be >> not the answer. Since the data in my db change frequently, and the marker >> need to reflect these changes. For example , I have a table, and a column >> named "kpi", when kpi<0.01, the marker's color is green, else is red. It may >> be not an "sld" issue. >> >> >> > _______________________________________________ > Users mailing list > Users@openlayers.org > http://openlayers.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users