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  • openscales2.2的画点、线、多边形

    主要是对WFC加载的图层一些后续的操作(增加特征,与原来1.2的版本有所不同)。

    画点:

    var pointLayer:VectorLayer = VectorLayer(map.getLayerByIdentifier("pointend_track")) ;
                    var pointmarker:PointFeature = PointFeature.createPointFeature(new Location(123.85680,50.75336));
                    pointLayer.addFeature( pointmarker);

    画线:

    //获取WFC加载的地图层
                    var roadLayer:VectorLayer = VectorLayer(map.getLayerByIdentifier("road")) ;
                    //组装坐标数据
                    var array:Vector.<Number> = new Vector.<Number>();  
                    array.push(Number(104.094413757324),Number(30.7053699493408));  
                    array.push(Number(104.081871032715),Number(30.6603736877441));  
                    array.push(Number(104.110618591309),Number(30.640344619751)); 
                    array.push(Number(95),Number(33)); 
                    //创建线的对象
                    var lineMark:LineStringFeature = new  LineStringFeature(new LineString(array));
                    //地图层增加线的特征
                    roadLayer.addFeature(lineMark);

    画多边形:

    //获取WFC加载的地图层
                    var roadLayer:VectorLayer = VectorLayer(map.getLayerByIdentifier("road")) ;
                    //组装坐标数据
                    var pablepoints:Vector.<Number> = new Vector.<Number>(); 
                    pablepoints.push( Number(89),Number(38));
                    pablepoints.push( Number(91),Number(38));
                    pablepoints.push( Number(91),Number(35));
                    pablepoints.push( Number(87),Number(34));
                    pablepoints.push( Number(89),Number(38));
                    var pableLinearRing:Vector.<Geometry> = new Vector.<Geometry>();  
                    pableLinearRing.push(new LinearRing(pablepoints));  
                    //样式设置
                    var style:Style=new Style();  
                    style.rules[0]=new Rule();  
                    style.rules[0].symbolizers.push(new PolygonSymbolizer(new SolidFill(0x99D0F2,0.5), null));  
                    //创建多边形的对象
                    var mappable:PolygonFeature = new PolygonFeature(new Polygon(pableLinearRing),null,style);  
                    //地图层增加线的特征
                    roadLayer.addFeature(mappable);
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  • 原文地址:https://www.cnblogs.com/oldhorse/p/2993721.html
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