动态标绘API 1.1版本号。相较前一版本号1.0(点击进入)。该版本号提供标绘符号的编辑功能。
编辑功能包含两种编辑状态:编辑控制点。对标绘符号进行旋转、八方向拉伸、平移。
编辑控制点例如以下图所看到的:
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对标绘符号进行旋转、八方向拉伸、平移,例如以下图所看到的:
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代码演示样例
private var plotDrawTool:PlotDrawTool;
private var plotEditTool:PlotEditTool; private var lineSymbol:SimpleLineSymbol = new SimpleLineSymbol("solid", 0x0000ff, 1, 2);
private var outline:SimpleLineSymbol = new SimpleLineSymbol("solid", 0xff0000, 1, 1);
private var fillSymbol:SimpleFillSymbol = new SimpleFillSymbol("solid", 0x00ff00, 0.5, outline); private static const STATE_MOVE_SCALE_ROTATE:int = 0;
private static const STATE_EDIT_CONTROL_POINTS:int = 1; private var editState:int = 0;
private var activePlot:Graphic; private function init():void{
// 实例化绘制工具
this.plotDrawTool = new PlotDrawTool(map);
// 监听 DRAW_END事件,绘制结束后可获得plot
this.plotDrawTool.addEventListener(PlotDrawEvent.DRAW_END, drawEndHandler);
// 实例化编辑工具
this.plotEditTool = new PlotEditTool(map);
} private function drawEndHandler(event:PlotDrawEvent):void{
// 对plot设置渲染符号
if(event.plotGraphic.geometry is Polygon)
event.plotGraphic.symbol = fillSymbol;
else if(event.plotGraphic.geometry is Polyline)
event.plotGraphic.symbol = lineSymbol;
// 显示
this.graphicsLayer.add(event.plotGraphic);
// 设置鼠标单击事件响应
event.plotGraphic.addEventListener(MouseEvent.CLICK, graphicClickHandler);
} private function graphicClickHandler(event:MouseEvent):void{
var graphic:Graphic = event.currentTarget as Graphic;
if(graphic == this.activePlot){
if(this.editState == STATE_MOVE_SCALE_ROTATE){
// 开启 移动+编辑控制点 状态
this.plotEditTool.activate(PlotEditTool.MOVE|PlotEditTool.EDIT_CONTROL_POINTS, graphic);
this.editState = STATE_EDIT_CONTROL_POINTS;
}
else{
// 开启 移动+旋转缩放 状态
this.plotEditTool.activate(PlotEditTool.MOVE|PlotEditTool.SCALE_ROTATE, graphic);
this.editState = STATE_MOVE_SCALE_ROTATE;
}
}
else{
this.activePlot = graphic;
this.plotEditTool.activate(PlotEditTool.MOVE|PlotEditTool.EDIT_CONTROL_POINTS, graphic);
this.editState = STATE_EDIT_CONTROL_POINTS;
}
} ]]>
</fx:Script>
<ns:Map id="map" level="5">
<ns:ArcGISTiledMapServiceLayer url="http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineCommunity/MapServer"/>
<ns:GraphicsLayer id="graphicsLayer"/>
</ns:Map>
<s:Group left="50" top="20">
<s:Rect width="100%" height="100%">
<s:fill>
<s:SolidColor color="0xcccccc" alpha="0.7"/>
</s:fill>
</s:Rect>
<s:VGroup paddingBottom="10" paddingTop="10" paddingLeft="10" paddingRight="10">
<s:HGroup verticalAlign="middle">
<s:Label text="线标"/>
<s:Button label="圆弧" click="{plotDrawTool.activate(PlotTypes.ARC)}"/>
<s:Button label="曲线" click="{plotDrawTool.activate(PlotTypes.CURVE)}"/>
</s:HGroup>
<s:HGroup verticalAlign="middle">
<s:Label text="面标"/>
<s:Button label="圆形" click="{plotDrawTool.activate(PlotTypes.CIRCLE)}"/>
<s:Button label="椭圆" click="{plotDrawTool.activate(PlotTypes.ELLIPSE)}"/>
<s:Button label="弓形" click="{plotDrawTool.activate(PlotTypes.LUNE)}"/>
<s:Button label="扇形" click="{plotDrawTool.activate(PlotTypes.SECTOR)}"/>
<s:Button label="闭合曲线" click="{plotDrawTool.activate(PlotTypes.CLOSED_CURVE)}"/>
<s:Button label="集结地" click="{plotDrawTool.activate(PlotTypes.GATHERING_PLACE)}"/>
</s:HGroup>
<s:HGroup verticalAlign="middle">
<s:Label text="箭头"/>
<s:Button label="直箭头" click="{plotDrawTool.activate(PlotTypes.STRAIGHT_ARROW)}"/>
<s:Button label="细直箭头" click="{plotDrawTool.activate(PlotTypes.FINE_ARROW)}"/>
<s:Button label="袭击方向" click="{plotDrawTool.activate(PlotTypes.ASSAULT_DIRECTION)}"/>
<s:Button label="进攻方向" click="{plotDrawTool.activate(PlotTypes.ATTACK_ARROW)}"/>
<s:Button label="进攻方向(尾)" click="{plotDrawTool.activate(PlotTypes.TAILED_ATTACK_ARROW)}"/>
<s:Button label="钳击" click="{plotDrawTool.activate(PlotTypes.DOUBLE_ARROW)}"/>
<s:Button label="分队战斗" click="{plotDrawTool.activate(PlotTypes.SQUAD_COMBAT)}"/>
<s:Button label="分队战斗(尾)" click="{plotDrawTool.activate(PlotTypes.TAILED_SQUAD_COMBAT)}"/>
</s:HGroup>
</s:VGroup>
</s:Group>
演示样例代码下载地址 最新版本号
欢迎大家使用、反馈意见。
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