Thank you Arnd, Using SLD worked perfectly. I created my SLD file in QGIS and then used that for each attribute in the polygon object in GeoServer. Next, I need to figure out how to show this legend in OpenLayers.
Andreas 2014-08-05 20:22 GMT+02:00 Arnd Wippermann <arnd.wipperm...@web.de>: > you could use SLD for WMS to accomplish this task. > > most likely you have to create a sld file for every attribute you wish to > visualize. > > An example, that shows different styling for the same layer based on > different rules (not always by attribute) > > http://gis.ibbeck.de/ginfo/apps/OLExamples/OL210/MapServer_SLD_World/MapServer_SLD_World.asp > > Regards, > Arnd > > ------------------------------ > *Von:* openlayers-users-boun...@lists.osgeo.org [mailto: > openlayers-users-boun...@lists.osgeo.org] *Im Auftrag von *Andreas Forø > Tollefsen > *Gesendet:* Dienstag, 5. August 2014 14:51 > *An:* openlayers-users@lists.osgeo.org > *Betreff:* [OpenLayers-Users] Class based fill of polygons > > Hi all, > > I am new to OpenLayers (so forgive me in advance). > > I have a polygon layer in GeoServer (from a shapefile) consisting of 487 > features and 15 statistical attributes of socio-economic variables. > What I want to accomplish is to visualize these 15 variables in a web map > service, where the user can select the variable he/she wants to visualize > and that the color fill represents low to high on the selected variable > (white to dark grey i.e.). > > So far I have managed to set up an OpenLayers page that reads the > GeoServer layer, and outputs the attribute table below the map when I click > one of the features. > > However, I am still lost as to how I should proceed to create the > visualization. > One example of an end-result could look similar to this: > http://sedac.ciesin..columbia.edu/maps/client > <http://sedac.ciesin.columbia.edu/maps/client> > > So my question is. What styling code am I looking for, and could this type > of solution be created out of the one layer, or do I need one layer for > each attribute? > And if I need to create a rule based class interval, do I have to do this > manually for each class, for each attribute? > > Any example code that points to the suggested direction would be great! > > thanks! > > Best, > Andreas > > > > ------------------------------ > <http://www.avast.com/> > > Diese E-Mail ist frei von Viren und Malware, denn der avast! Antivirus > <http://www.avast.com/> Schutz ist aktiv. > >
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