Hi Eric, I have made a sample of what I'd like to reach: http://dev.geoext.org/sandbox/cmoullet/ux/Redlining/examples/StylingExample.html . It does what I want, but I'd like to know if it's the correct way to do it. I still don't understand why the usage of createSymbolizer is encouraged in this case. Thanks in advance, Cédric
2010/1/16 Eric Lemoine <eric.lemo...@camptocamp.com> > On Saturday, January 16, 2010, Cédric Moullet wrote: > > 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 ? > > Yes it is. > > > 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) ? > > if intent is undefined createSymbolizer uses "default" as the render > 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 ? > > What do you mean by "free style"? A user-defined style that isn't > derived by rules or a context? > > It seems to me that you want to mix context-based styling and > per-feature user-defined styling. > > What about that: when user wants to modify a feature's style call > createSymbolizer to get the feature's current style, modify the > returned style object as requested by the user and store it in > feature.style. > > There may be other options, but this is the one I see at this point. > > 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 > -- 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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