//单线通视线分析
function showVisibleLine(bodyHeight){
	var options = {
		"viewer": viewer,
		"drawColor": Cesium.Color.YELLOW,
		"originColor": Cesium.Color.BLUE,
		"targetColor": Cesium.Color.BLUE,
		"breakColor": Cesium.Color.YELLOW,
		"visibleColor": Cesium.Color.GREEN,
		"hiddenColor": Cesium.Color.RED,
		"bodyHeight": bodyHeight, //用于做通视分析的人员身高
		"bodyColor": Cesium.Color.YELLOW,
	};
	var result = CesiumVisibleLine.drawLines(options);
}
//清除可视线
function clearVisible(){
	CesiumVisibleLine.removeLines(viewer);
}
//环状通视线分析
function showVisibleCircle(bodyHeight){
	var options = {
		"viewer": viewer,
		"drawColor": Cesium.Color.YELLOW,
		"originColor": Cesium.Color.BLUE,
		"targetColor": Cesium.Color.YELLOW,
		"breakColor": Cesium.Color.YELLOW,
		"visibleColor": Cesium.Color.GREEN,
		"visiblePolygonColor": Cesium.Color.GREEN.withAlpha(0.6),
		"hiddenColor": Cesium.Color.RED,
		"bodyHeight": bodyHeight, //用于做视域分析的人员身高
		"bodyColor": Cesium.Color.YELLOW,
	};
	var result = CesiumVisibleLine.drawCircles(options);
}

//地形夸张
function terrainEx(){
	$(".cesium-viewer").remove();
	initmap3D(initMapOptions);//初始化地图	
}