Hi Yves, Yes, oops!
On 'featuresremoved' must be clone the features... and to remove consider the original id oops!... I did not think this problem... much work for the processor :( Regards, Xavier Yves G wrote > Hi again > > apparently, using this strategy is not working because, sharing the > features between the parent and slaves layers has side effects in the > rendering process as you can see here > http://jsfiddle.net/jLEYS/6/(comment/comment lines 68,69 to see what i > d expect) :( > > Regards > Yves. > > > > 2013/2/7 Yves Gillet < > ygillet@ > > > >> Hi Xavier >> >> thanks for your solution using other layers, I'll give it a try. >> I thought about it also at a first place but I was afraid of the >> performance overhead to have potentially 4 more layers (of about 1000 >> features each) to achieve that. >> After digging in the source code, another (more complicated) solution >> would have been to create a custom renderer which can create symbols >> compositions, >> for example in my case a svg renderer which could attach multiple child >> nodes to the feature node rendered. >> I havent yet figured how to do that, but maybe it could be a nice feature >> for openlayers and I may experiment with it if I have more time :) >> >> Regards >> Yves >> >> >> 2013/2/6 Xavier Mamano (jorix) < > xavier.mamano@ > > >> >> Hi Yves, >>> >>> It's not pretty, but could create a slave layer as: >>> >>> var mySlaveLayer = new OpenLayers.Layer.Vector("slave", { >>> displayInLayerSwitcher: false, >>> style: myOtherStyle >>> }); >>> myLayer.events.on({ >>> 'featuresadded': function(evt) { >>> mySlaveLayer.addFeatures(evt.features.slice()); >>> }, >>> 'featuresremoved': function(evt) { >>> mySlaveLayer.removeFeatures(evt.features.slice()); >>> }, >>> 'visibilitychanged': .... >>> }); >>> >>> with two layers be sufficient, the numbers can be labels. >>> >>> You have a few hours of work for adjust this... >>> >>> Regards, >>> >>> Xavier Mamano >>> >>> >>> Yves G wrote >>> > Hi there, >>> > thanks for your input. >>> > >>> > But if you look my image mockup of what I m trying to display , I want >>> to >>> > style the station along with some of its attributes (sort of symbols >>> > composition, not just the point one) . >>> > I'd be glad if you could update my example here >>> > http://jsfiddle.net/jLEYS/3/ to >>> > show me how I could achieve that using the StyleMap >>> > >>> > Regards, >>> > Yves >>> > >>> > >>> > >>> > 2013/2/5 Sergeant_york < >>> >>> > electronicpanda@ >>> >>> > > >>> > >>> >> var style = new OpenLayers.Style({ >>> >> externalGraphic: '${graphicFunction}', >>> >> graphicYOffset: '${graphicYOffsetFunction}', >>> >> graphicXOffset: '${graphicXOffsetFunction}', >>> >> /* etc... */ >>> >> }, { >>> >> context: { >>> >> graphicFunction: function(feature) { >>> >> if(feature.attributes.type=='bike') return '/bike.png'; >>> >> else if(feature.attributes.type=='hospital') return >>> >> '/hospital.png'; >>> >> /*etc...*/ >>> >> }, >>> >> graphicYOffsetFunction: function(feature){ >>> >> if(feature.attributes.type=='bike') return 10; >>> >> else if(feature.attributes.type=='hospital') return -10; >>> >> /*etc...*/ >>> >> }, /*etc...*/ >>> >> } >>> >> }); >>> >> >>> >> >>> >> >>> >> -- >>> >> View this message in context: >>> >> >>> http://osgeo-org.1560.n6.nabble.com/Vector-layer-and-multiple-symbolizers-tp5032127p5032322.html >>> >> Sent from the OpenLayers Users mailing list archive at Nabble.com. >>> >> _______________________________________________ >>> >> Users mailing list >>> >> >>> >>> > Users@.osgeo >>> >>> >> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>> >> >>> > >>> > _______________________________________________ >>> > Users mailing list >>> >>> > Users@.osgeo >>> >>> > http://lists.osgeo.org/mailman/listinfo/openlayers-users >>> >>> >>> >>> >>> >>> -- >>> View this message in context: >>> http://osgeo-org.1560.n6.nabble.com/Vector-layer-and-multiple-symbolizers-tp5032127p5032582.html >>> Sent from the OpenLayers Users mailing list archive at Nabble.com. >>> _______________________________________________ >>> Users mailing list >>> > Users@.osgeo >>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>> >> >> > > _______________________________________________ > Users mailing list > Users@.osgeo > http://lists.osgeo.org/mailman/listinfo/openlayers-users -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Vector-layer-and-multiple-symbolizers-tp5032127p5032892.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list us...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-users
