/*** --------add marker---------------------*/
var amarker,addMarkerListener;function  activateAddMarker(){addMarkerListener=AliEvent.addListener(map,"click",function(point){var latlng=map.fromContainerPixelToLatLng(point);var lonlat=point.x+","+point.y;if(amarker!=null) map.clearOverlays();amarker=new AliMarker(latlng,{draggable:true});var lsResultDiv=$('#result').html(lonlat);map.addOverlay(amarker);});
}/*** ---------remove addmarker listener------------------*/function  deactivateAddMarker(){AliEvent.removeListener(addMarkerListener);
}
/*** ---------add polyline------------------*/
var polyline;
function activeAddPolyline(){//先初始化一个空的折线polyline=new AliPolyline([]);//必须先添加到地图才能允许用户绘制
    map.addOverlay(polyline);AliEvent.addListener(polyline,"drawstart",onDrawStart);AliEvent.addListener(polyline,"drawend",onDrawEnd);//开始让用户在地图上绘制折线
    polyline.startDrawing();//可编辑
    polyline.startEditting();
}/*** ---------add polyline functions------------------*/
function startDraw(){polyline.setPoints([]);polyline.startDrawing();
}
function endDraw(){polyline.endDrawing();
}
function onDrawStart(){document.getElementById("drawStatus").innerHTML="draw start";
}
function onDrawEnd(){document.getElementById("drawStatus").innerHTML="draw  end ";
}
//edit polyline---
function startLineEdit(){polyline.startEditting();
}
function endLineEdit(){polyline.endEditting();
}function deactiveAddPolyline(){polyline=null;
}
/*** -----add polygon-------------------*/
var polygon;
function activateAddPolygon(){//先建立一个空的多边形polygon=new AliPolygon([]);//必须先添加到地图才能允许用户绘制
     map.addOverlay(polygon);AliEvent.addListener(polygon,"drawstart",onDrawPolygonStart);AliEvent.addListener(polygon,"drawend",onDrawPolygonEnd);//开始多边形的绘制
     polygon.startDrawing();//可编辑polygon.startEditting({disableIntersection:true});
}/*** ---------add polygon functions------------------*/
function startDraw(){polygon.setPoints([]);polygon.startDrawing();
}
function endDraw() {polygon.endDrawing();
}
function onDrawPolygonStart(){document.getElementById("drawStatus").innerHTML="Polygon start";
}
function onDrawPolygonEnd(){document.getElementById("drawStatus").innerHTML="Polygon end  ";
}
function startPolygonEdit(){polygon.startEditting();
}
function endPolygonEdit(){polygon.endEditting();
}
function deactivateAddPolygon(){polygon=null;
}/*** ---------绘制矩形------------------*/
var rect;
function activatePolygonFoure(){rect=new AliRectOverlay();map.addOverlay(rect);AliEvent.addListener(rect,"drawstart",onSideDrawStart);AliEvent.addListener(rect,"drawend",onSideDrawEnd);//开始绘制矩形
     rect.startDrawing();rect.startEditting();
}
/*** --------add circle---------------------*/
var oval;
function addCircle(){//绘制以center为中心，3000米为直径的正圆oval=new AliOvalOverlay(map.getProjection().getSquare(map.getCenter(),3000),{editSymbolCtl:128});map.addOverlay(oval);oval.startEditting({keepRatio:true});
}