//监听地图缩放和拖拽
myChart_wdmap.on("georoam", function (params) {
	if(params.zoom!=null&&params.zoom!=undefined) { //捕捉到缩放动作
		//console.log("地图缩放比值为：",params.zoom);  //这个值只有缩放时才有数值,拖拽时为"undefined"
		var _option = myChart_wdmap.getOption();
		//获取地图缩放后的数值
		//var _zoom = _option.geo[0].zoom;
		var _zoom = _option.series[0].zoom;
		if (_zoom > 1.2) {
			//console.log("地图放大后当前zoom数值为：", _zoom);
			_option.series[0].roam = true;
		} else if (_zoom <= 1.2) {
			//console.log("地图缩小后当前zoom数值为：", _zoom);
			_option.series[0].roam = "scale";
		}
		myChart_wdmap.setOption(_option, true);
		//console.log("当前roam值为：",_option.series[0].roam);  //roam值被改变前为"undefined"
	}
	{#else {   //捕捉到拖拽动作#}
	{#    console.log("地图被拖拽！");#}
	{# }#}
});
//随机高亮排名靠前30的区域
var app = {};
app.currentIndex = -1;
setInterval(function () {
	//var dataLen = option_wdmap.series[0].data.length;
	var dataLen = 30;
	// 取消之前高亮的图形
	myChart_wdmap.dispatchAction({
		type: 'downplay',
		seriesIndex: 0,
		dataIndex: app.currentIndex
	});
	app.currentIndex = (app.currentIndex + 1) % dataLen;
	// 高亮当前图形
	myChart_wdmap.dispatchAction({
		type: 'highlight',
		seriesIndex: 0,
		dataIndex: app.currentIndex
	});
	// 显示 tooltip
	myChart_wdmap.dispatchAction({
		type: 'showTip',
		seriesIndex: 0,
		dataIndex: app.currentIndex
	});
}, 3000);