Hi Eric, Thanks for your answer. However, I'm not sure that I have really understand it. The goal is to set a style to one feature (to assign feature.style). I assume that the example http://www.openlayers.org/dev/examples/symbolizers-fill-stroke-graphic.html corresponds to the new way of symbolizing feature. Is it correct ?
What is not clear to me is how to assign a style to a specific feature. There is a function createSymbolizer(feature) in Style.js ( http://trac.openlayers.org/browser/trunk/openlayers/lib/OpenLayers/Style.js#L148) and a function createSymbolizer(feature, intent) in StyleMap.js http://trac.openlayers.org/browser/trunk/openlayers/lib/OpenLayers/StyleMap.js#L108 You proposed to use styleMap.createSymbolizer(feature), shouldn't it be styleMap.createSymbolizer(feature, intent) ? This implies that in order to manage "free style", it is required to add a Style in the StyleMap and assign to feature.style this style. Is it correct ? In the specific label case, the style needs to contain a rule's symbolizer with a label property: styleMap: new OpenLayers.StyleMap({ 'default': new OpenLayers.Style(null, { rules: [ new OpenLayers.Rule({ symbolizer: { graphic: false, *label: "$(labelAttribute)**",* labelSelect: true } Is it correct ? I have probably missunderstood one key styling concept, so sorry for my dummy questions. Cédric On Fri, Jan 15, 2010 at 11:05 PM, Eric Lemoine <eric.lemo...@camptocamp.com>wrote: > On Fri, Jan 15, 2010 at 8:10 PM, Alexandre Dube <ad...@mapgears.com> > wrote: > > Hi, > > > > I want to be able to save a OpenLayers.Style object or hash to a > > vector feature. Currently, in code, feature.style exists but you must > > define a hash or else it doesn't work. > > > > My problem is that I want to be able to draw features to be used as > > labels (floating text on the map). To be able to do so, I need to > > define a StyleMap with a context to display the label (I manually set > > feature.isLabel on "featureadded") [1] > > > > That works well, but as soon as I want to "bind / save" the style to > > the feature, I mean set feature.style, > > feature.style is for the old way of styling features > > > I need to set a hash and the > > feature will be rendered without the contexts. > > if you want to get the symbolizer (style hash) of a feature use > styleMap.createSymbolizer(feature, intent). > > > > I don't fully understand how the contexts, symbolizers, etc. work, but > > my first guess would be to support OpenLayers.Style object directly in > > the feature object. Does that make sense ? > > > > Or maybe I'm doing it wrong and their's an other way of "labeling" > > features. My goal is to create features on a "cosmetic" layer with a > > default style, then to be able to change the style of the features and > > bind it to them (I mean without using rules on the layer level, but by > > defining directly the feature style) > > I guess binding a symbolizer to a feature can only be done with > feature.style. So feature.style = styleMap.createSymbolizer(feature) > may be what you're looking for. > > Cheers, > -- > Eric Lemoine > > Camptocamp France SAS > Savoie Technolac, BP 352 > 73377 Le Bourget du Lac, Cedex > > Tel : 00 33 4 79 44 44 96 > Mail : eric.lemo...@camptocamp.com > http://www.camptocamp.com > _______________________________________________ > Dev mailing list > Dev@openlayers.org > http://openlayers.org/mailman/listinfo/dev > -- CTO Geospatial Camptocamp SA Cédric Moullet PSE A CH-1015 Lausanne www.camptocamp.com / www.mapfish.org / twitter.com/cedricmoullet / mapfishblog.blogspot.com/ +41 79 759 69 83 (mobile) +41 21 619 10 21 (direct) +41 21 619 10 10 (centrale) +41 21 619 10 00 (fax)
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