On Wed, Jun 10, 2009 at 05:06:26AM -0700, geotribu wrote: > > Hi, > > I've noticed that if I use a style with a pointRadius for a vector layer > (with renderers canvas) the size of the circle doesn't change. > Indeed the method drawPoint of the Canvas class use the radius properties > only if the properties drawExternalGraphic is defined.
Please file a ticket with a patch for this issue: http://trac.openlayers.org/wiki/FilingTickets > So I made some little change to the core class Canvas.js and now the radius > propertie works fine. > > line 256 Actual code : > this.canvas.arc(pt[0], pt[1], 6, 0, Math.PI*2, true); > > New code : > var radius = style.pointRadius?style.pointRadius:6; > this.canvas.arc(pt[0], pt[1], radius, 0, Math.PI*2, true); > > Same things for the condition : style.stroke !== false. > > And for example (user script) : > > var style = new OpenLayers.Style( > { > fillColor: "#ffff00", > fillOpacity: 0.5, > pointRadius: "${radius}", > strokeColor: "#ff0000", > strokeWidth: 2, > strokeOpacity: 0.3 > },{ > context: { > radius: function(feature) { > return (feature.attributes.Population/2000); > } > } > } > ); > > var styleMap = new OpenLayers.StyleMap({'default':style, 'select': > {fillOpacity: 0.7, fillColor: "#ff0000"}}); > > vectors = new OpenLayers.Layer.GML( "Reunion city", "./city974.gml", > { > styleMap: styleMap, > renderers: ['Canvas'] > } > ); > > > Best regards > > Arnaud > > ----- > http://geotribu.net Geotribu > -- > View this message in context: > http://n2.nabble.com/Radius-circle-doesn%27t-change-for-Canvas-Vector-Layer--Canvas.js-Class--tp3055191p3055191.html > Sent from the OpenLayers Dev mailing list archive at Nabble.com. > > _______________________________________________ > Dev mailing list > Dev@openlayers.org > http://openlayers.org/mailman/listinfo/dev -- Christopher Schmidt MetaCarta _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
