var publicpano;
//创建腾讯街景类
function streetview(){
    // 创建街景
	var pano = new qq.maps.Panorama(document.getElementById('street_map'), {
		disableMove: false,
		pano: '15091114130823143418500',                //场景ID
		pov:{
			heading:280,
			pitch:15
		},
		zoom:1,
		addressControl: true,
		disableCompass: true,
	});
	publicpano = pano;
}
//根据三维场景点击获取的坐标点移动街景位置
function moveStreetPOI(gcj02streetPoint){
	var point = new qq.maps.LatLng(gcj02streetPoint[1],gcj02streetPoint[0]);
	pano_service = new qq.maps.PanoramaService();
	pano_service.getPano(point, 200, function (result){
		if(result.svid != null){
			publicpano.setPano(result.svid);
		}else{
			swal("选择位置没有街景，请选择其它位置!","请重试！","error");
		}
    });
}
//在三维场景中点击位置，联动街景定位
var streetmap_handler;
function addStreetPointHandler(){
	streetmap_handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
	streetmap_handler.setInputAction(function(movement) {
		var pickedPosition = viewer.scene.pickPosition(movement.position);
		var pickedPositionString = pickedPosition.toString();
		//获取地理坐标（经度、纬度、高程）
		var cartographic = Cesium.Cartographic.fromCartesian(pickedPosition);
		var longitudeString = Cesium.Math.toDegrees(cartographic.longitude);
		var latitudeString = Cesium.Math.toDegrees(cartographic.latitude);
		var heightString = cartographic.height;
		//var center = pickedPosition;
		var streetPoint = wgs84togcj02(longitudeString,latitudeString);
		moveStreetPOI(streetPoint);
	}, Cesium.ScreenSpaceEventType.RIGHT_CLICK);
	streetmap_handler.setInputAction(function(movement) {
		var csmheading = Cesium.Math.toDegrees(viewer.camera.heading);
		var csmpitch = -Cesium.Math.toDegrees(viewer.camera.pitch);
		publicpano.setPov({
			heading: csmheading,
			pitch: csmpitch
		});
	}, Cesium.ScreenSpaceEventType.MIDDLE_UP);
}
function destroyStreetPointHandler(){
	streetmap_handler.destroy();
};