On Nov 22, 2007 12:58 AM, Nick Whitelegg <[EMAIL PROTECTED]> wrote: > > Hello everyone, > > I'm coming across a problem I can't figure out in "osmajax", the OpenLayers > Vector-based OSM editor I'm developing, at > > http://www.free-map.org.uk/freemap/javascript/osmajax-0.5/index.php > > The problem relates to the search facility, which moves to another location. > If you select a feature before doing a search, errors continuously come up > reading > > this.renderer has no properties (OpenLayers.js line 710) > > when you arrive at the new location. (However, the vector data for the new > location is correctly loaded and displayed properly). The problem does not > arise if a feature is not selected before doing the search. This can be > demonstrated in the default location by selecting a feature, and then > entering "Durley" in the search box. > > My code to set the centre of the map (in Osmajax.js, occurs in response to the > search): > > this.setCentre = function(latlon) > { > if(this.selectedFeature) > this.vectorLayer.removeFeatures(this.selectedFeature); > this.vectorLayer.destroy(); > this.vectorLayer=null; > var cvtr=new converter("Mercator"); > var prjLL = cvtr.normToCustom(latlon); > this.map.setCenter(prjLL, this.map.getZoom() ); > this.vectorLayer = new OpenLayers.Layer.OSM("OSM > Layer",this.statusMsg); > this.setupControls(); > this.map.addLayer(this.vectorLayer); > this.load(); > } > > (I have to delete the layer and create it again, as otherwise, Firefox chokes > because the extent of the vector layer is too large). > > Any ideas what might be wrong here? Using OpenLayers 2.4.
Hi Nick, I haven't looked into detail but I think this might be related to the SelectFeature control. Since you delete the osm layer and create a new one, the SelectFeature may still be trying to work with the old layer. I'm not sure... Cheers, -- Eric _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users
