Thanks for your answer. I added a fresh function that close the popup open on the layer before refresh it : new OpenLayers.Strategy.Refresh( { force: true, interval: 60000, refresh: function() { if (this.layer && this.layer.refresh) { while( this.layer.map.popups.length ) { this.layer.map.removePopup(this.layer.map.popups[0]); } this.layer.refresh({force: this.force}); } } } > >> Hi Sebastien, >> >> The refresh strategy only reloads the layer, so the problem with the >> Math.random key would be in the Http class i guess. >> >> I think that is due to the fact that you generate the number once >> during construction of the Http class. >> >> The problem with the popup is also noticed by myself. >> It is due to the fact that the popup is connected to the feature and >> due to the refresh the features are removed and added again. >> i solved this outside OpenLayers by closing the popup after a certain >> time automatically. >> >> But i think this needs to be solved when removing the feature actually >> >> Hope this helps. >> . >> Met vriendelijke groet, Kind regards, >> * * >> *Kristiaan Geusebroek* >> Consultant** >> * * >> >> >> * >> * >> Email: kgeusebr...@xebia.com <mailto:kgeusebr...@xebia.com>__ >> Tel: +31 (0)35 538 1921 >> Fax: +31 (0)35 538 1922 >> Mobiel: +31 (0)6 3069 7223** >> * * >> Utrechtseweg 49 >> 1213 TL Hilversum >> The Netherlands >> http://www.xebia.com <http://www.xebia.com/> >> Xebia Blog: http://blog.xebia.com/ >> Xebia Podcast: http://podcast.xebia.com/ >> >> On Jul 28, 2010, at 9:50 AM, Sébastien Geindre wrote: >> >>> hi all, >>> >>> Some pbs with Strategy.Refresh : >>> Imagine the following layer : >>> >>> var layer = new OpenLayers.Layer.Vector("FIR+Sigmets", { >>> strategies : [ new OpenLayers.Strategy.BBOX() >>> ,new OpenLayers.Strategy.Refresh( >>> {force: true, interval: 10000 } )] , >>> protocol : new OpenLayers.Protocol.HTTP( { >>> url : "./xml/data.xml", >>> params: { 'key': Math.random()}, >>> format : myformat >>> }), >>> styleMap : new OpenLayers.StyleMap(style), >>> renderers : [ "Canvas", "SVG", "VML" ], >>> projection : map.displayProjection >>> }); >>> >>> I noticed *2 pbs : >>> >>> 1/ If i add a control select : selectControl = new >>> OpenLayers.Control.SelectFeature(layer), with an open popup on feature >>> selection. The pb is that when the layer is refreshed, the popups are >>> not erased...The layer changed, and it is not possible to access to the >>> layer used to create popup... >>> >>> 2/ In the example, note that the url of protocol.HTTP includes a >>> Math.random() key. Refresh process does not seem to generate again the >>> key param... >>> >>> any help during this hot summer ? >>> >>> _______________________________________________ >>> Users mailing list >>> Users@openlayers.org <mailto:Users@openlayers.org> >>> http://openlayers.org/mailman/listinfo/users >> > > > > _______________________________________________ > Users mailing list > Users@openlayers.org > http://openlayers.org/mailman/listinfo/users
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