[英]style: color and strokewidth in Openlayers?
我试过一些方法,但似乎找不到合适的方法,
如何为此图层添加样式:
var line_1 = new OpenLayers.Layer.Vector("Line nr 1", {
projection: map.displayProjection,
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.HTTP({
url: "lines/line_1.kml",
format: newOpenLayers.Format.KML({
extractStyles: true,
extractAttributes: true
})
})
});
就像下面的层一样:
var line_1 = new OpenLayers.Layer.GML('Line nr - 1',
"lines/line_1.kml",
{
visibility: true,
format: OpenLayers.Format.KML,
style: {strokeWidth: 4, strokeColor: "#ff0000", strokeOpacity: 1 },
projection: map.displayProjection,
strategies: [new OpenLayers.Strategy.Fixed()]
}
);
差异在于第一个变量Im使用Vector和第二个GML
我仍然是这个东西的初学者,任何帮助将非常感激。
您可以像这样定义样式:
var style = OpenLayers.Util.extend({}, OpenLayers.Feature.Vector.style['default']);
style.fillOpacity = 0.2;
style.graphicOpacity = 1;
style.strokeWidth = 4;
style.strokeColor = "#ff0000";
style.strokeOpacity = 1;
然后在创建Vector图层时将其传递给选项:
var line_1 = new OpenLayers.Layer.Vector("Line nr 1", {
style : style,
projection: map.displayProjection,
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.HTTP({
url: "lines/line_1.kml",
format: newOpenLayers.Format.KML({
extractStyles: true,
extractAttributes: true
})
})
});
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