Paul Spencer wrote: > Eric, > > On 8-Jul-09, at 9:25 AM, Eric Lemoine wrote: > > >> On Wednesday, July 8, 2009, Matthew Doyle <[email protected]> wrote: >> >>> Hello all, >>> >>> Sorry for resurrecting this topic, but i am having trouble getting my >>> features to "remember" which StylemMap they have been changed to, >>> using the >>> renderIntent. >>> >>> After following Heidtmare's suggestions below, my WFS layer is now >>> showing >>> and hiding features on the fly using the renderIntent and then >>> calling >>> drawFeature, as follows: >>> >>> for(var i = 0; i < WFSLayer.features.length; i++) { >>> WFSLayer.features[i].renderIntent = "hidden"; >>> WFSLayer.drawFeature(WFSLayer.features[i]); >>> } >>> >>> This works great, right up until i zoom the map or move to a >>> different >>> extent. Each feature goes back to their "default" renderIntent and >>> the >>> features are shown once again. >>> >>> How can i force a permanent change for each feature so that when >>> the user >>> zooms it remembers what changes have just been made? >>> >> Hi >> >> You can use the "style" property. E.g. >> >> feature.style = OpenLayers.Feature.Vector.style["delete"]; >> > > > why does the renderIntent approach not work? It does work for > controls like SelectFeature. From what I see in the code, the > renderIntent of the feature is changed in createSymbolizer called from > drawFeature, which should use the renderIntent of the feature (in this > case, 'hidden'). Unless the style map doesn't contain a 'hidden' > style, in which case it would default back to ... um ... 'default' :) > Absolutely right. Matthew, if you don't have a "hidden" intent, features won't be rendered with it. Maybe you meant "delete", because that is the renderIntent for hiding features.
Regards, Andreas. -- Andreas Hocevar OpenGeo - http://opengeo.org/ Expert service straight from the developers. _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
