import WKT from 'terraformer-wkt-parser';
import { nextTick } from 'vue';
import MVTImageryProvider from './mvtImageProvider.js';
export default class NewFiberMapUtils {
//地图实例
map = null;
features = [];
removeHandler = null;
colorOpacity = 1;
constructor(pramas) {
Cesium.Ion.defaultAccessToken =
'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIwNGNmNWUwMi02NWEyLTQxNzItOTNhNC1mY2NiZTcxNDc2OWYiLCJpZCI6MTU5NDQsInNjb3BlcyI6WyJhc2wiLCJhc3IiLCJhc3ciLCJnYyJdLCJpYXQiOjE1NjkyMjk3MTN9.PYUfCHykW23NuwRzzz04yW7JyZ4vQlcb4kToZ44r42w';
let config = Object.assign(this.mapConfig(pramas));
config.container = pramas.container || config.container;
config.featureCallBack = pramas.featureCallBack || config.featureCallBack;
this.map = new Cesium.Viewer(config.container, config);
this.map.imageryLayers.remove(this.map.imageryLayers.get(0));
this.map.scene.globe.maximumScreenSpaceError = 4 / 1;
}
mapConfig({
selectionIndicator = false,
animation = false,
baseLayerPicker = false,
timeline = false,
sceneModePicker = false,
navigationHelpButton = false,
useDefaultRenderLoop = true,
showRenderLoopErrors = true,
fullscreenButton = false,
infoBox = false,
vrButton = false,
geocoder = false,
homeButton = false,
CreditsDisplay = false,
contextOptions = {
requestWebgl1: true,
},
}) {
return {
contextOptions,
selectionIndicator,
baseLayerPicker,
timeline,
sceneModePicker,
navigationHelpButton,
useDefaultRenderLoop,
showRenderLoopErrors,
fullscreenButton,
infoBox,
animation,
vrButton,
geocoder,
homeButton,
CreditsDisplay,
};
}
//设置视角无动画
setView(fields = { lon: 0, lat: 0, zoom: 10000000, heading: 0, pitch: 0, roll: 0 }) {
let self = this;
self.map.camera.setView({
destination: Cesium.Cartesian3.fromDegrees(fields.lon, fields.lat, fields.zoom), //赤道上空1000km高度
orientation: {
heading: Cesium.Math.toRadians(fields.heading), // 相机方向指向当地东向
pitch: Cesium.Math.toRadians(fields.pitch), // 再将相机方向转向地心，此时Up方向指向当地东向
roll: fields.roll,
},
});
}
//设置视角有动画
flyTo(fields = { lon: 0, lat: 0, zoom: 10000000, heading: 0, pitch: 0, roll: 0, duration: 1 }) {
let self = this;
self.map.camera.flyTo({
duration: fields.fields, //飞行时间
destination: Cesium.Cartesian3.fromDegrees(fields.lon, fields.lat, fields.zoom), //赤道上空1000km高度
orientation: {
heading: Cesium.Math.toRadians(fields.heading), // 相机方向指向当地东向
pitch: Cesium.Math.toRadians(fields.pitch), // 再将相机方向转向地心，此时Up方向指向当地东向
roll: fields.roll,
},
});
}
//添加矢量切片
addMVTImageryProvider(
options = {
style: '',
}
) {
let mvtImageryProvider = new MVTImageryProvider({
style: options.style,
tileSize: 1024,
mapboxAccessToken: 'pk.eyJ1IjoibHVrYXNtYXJ0aW5lbGxpIiwiYSI6ImNpem85dmhwazAyajIyd284dGxhN2VxYnYifQ.HQCmyhEXZUTz3S98FMrVAQ',
});
this.map.scene.globe.baseColor = Cesium.Color.fromCssColorString(options.style.layers[0]['paint']['background-color']);
this.map.imageryLayers.addImageryProvider(mvtImageryProvider);
}
//添加3Dtiles
async loadCesium3DTileSet(e = {}) {
let { url: o, id: a = _.uniqueId(), style: l = {}, show: i = !0, customShader: s = void 0, callback } = e;
// e = this.map.scene.primitives.add(
// new Cesium.Cesium3DTileset({
// url: o,
// show: i,
// customShader: s,
// shadows: !1,
// skipLevelOfDetail: !0,
// baseScreenSpaceError: 1024,
// maximumScreenSpaceError: 64,
// skipScreenSpaceErrorFactor: 16,
// skipLevels: 1,
// immediatelyLoadDesiredLevelOfDetail: !1,
// loadSiblings: !1,
// cullWithChildrenBounds: !0,
// cullRequestsWhileMoving: !0,
// cullRequestsWhileMovingMultiplier: 10,
// preloadWhenHidden: !0,
// preloadFlightDestinations: !0,
// preferLeaves: !0,
// maximumMemoryUsage: 1024,
// progressiveResolutionHeightFraction: 0.5,
// dynamicScreenSpaceErrorDensity: 1,
// dynamicScreenSpaceErrorFactor: 4,
// dynamicScreenSpaceErrorHeightFalloff: 0.25,
// foveatedScreenSpaceError: !0,
// foveatedConeSize: 0.1,
// foveatedMinimumScreenSpaceErrorRelaxation: 0,
// foveatedTimeDelay: 0,
// luminanceAtZenith: 0,
// backFaceCulling: !0,
// debugFreezeFrame: !1,
// debugColorizeTiles: !1,
// debugWireframe: !1,
// debugShowBoundingVolume: !1,
// debugShowContentBoundingVolume: !1,
// debugShowViewerRequestVolume: !1,
// debugShowGeometricError: !1,
// debugShowRenderingStatistics: !1,
// debugShowMemoryUsage: !1,
// debugShowUrl: !1,
// dynamicScreenSpaceError: !0,
// })
// );
const tileset = await Cesium.Cesium3DTileset.fromUrl(o);
tileset.newFiberId = 'cesiumBuilding';
this.map.scene.primitives.add(tileset);
var boundingSphere = tileset.boundingSphere;
var cartographic = Cesium.Cartographic.fromCartesian(boundingSphere.center);
var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0);
var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3());
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
var m = Cesium.Transforms.eastNorthUpToFixedFrame(surface);
const _scale = Cesium.Matrix4.fromUniformScale(4);
Cesium.Matrix4.multiply(tileset._root.transform, _scale, m);
tileset._root.transform = m;
if (callback) {
callback(tileset, this.map);
}
//不能每个模型都跳一此，首次缩放改为所选的回调
// this.map.zoomTo(tileset)
// return (
// (e.key = a),
// e.readyPromise.then(function (e) {
// var t = Cesium.Cartographic.fromCartesian(e.boundingSphere.center),
// o = Cesium.Cartesian3.fromRadians(t.longitude, t.latitude, 0);
// let a = Cesium.Cartesian3.fromRadians(t.longitude, t.latitude, 0);
// t = Cesium.Cartesian3.subtract(a, o, new Cesium.Cartesian3());
// (e.modelMatrix = Cesium.Matrix4.fromTranslation(t)),
// l.color &&
// (e.style = new Cesium.Cesium3DTileStyle({
// color: {
// conditions: [['true', l.color]],
// },
// })),
// l.isEffects && e.tileVisible.addEventListener(r.modelEffect);
// }),
// a
// );
}
//添加3Dtiles建筑模型
async loadCesium3DTileSetBuilding(e = {}) {
let { url: o, id: a = _.uniqueId(), style: l = {}, show: i = !0, customShader: s = void 0 } = e;
const tileset = await Cesium.Cesium3DTileset.fromUrl(o, {
url: o,
show: i,
customShader: s,
shadows: !1,
skipLevelOfDetail: !0,
baseScreenSpaceError: 1024,
maximumScreenSpaceError: 64,
skipScreenSpaceErrorFactor: 16,
skipLevels: 1,
immediatelyLoadDesiredLevelOfDetail: !1,
loadSiblings: !1,
cullWithChildrenBounds: !0,
cullRequestsWhileMoving: !0,
cullRequestsWhileMovingMultiplier: 10,
preloadWhenHidden: !0,
preloadFlightDestinations: !0,
preferLeaves: !0,
maximumMemoryUsage: 1024,
progressiveResolutionHeightFraction: 0.5,
dynamicScreenSpaceErrorDensity: 1,
dynamicScreenSpaceErrorFactor: 4,
dynamicScreenSpaceErrorHeightFalloff: 0.25,
foveatedScreenSpaceError: !0,
foveatedConeSize: 0.1,
foveatedMinimumScreenSpaceErrorRelaxation: 0,
foveatedTimeDelay: 0,
luminanceAtZenith: 0,
backFaceCulling: !0,
debugFreezeFrame: !1,
debugColorizeTiles: !1,
debugWireframe: !1,
debugShowBoundingVolume: !1,
debugShowContentBoundingVolume: !1,
debugShowViewerRequestVolume: !1,
debugShowGeometricError: !1,
debugShowRenderingStatistics: !1,
debugShowMemoryUsage: !1,
debugShowUrl: !1,
dynamicScreenSpaceError: !0,
});
this.map.scene.primitives.add(tileset);
var boundingSphere = tileset.boundingSphere;
var cartographic = Cesium.Cartographic.fromCartesian(boundingSphere.center);
var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 20);
var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3());
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
//不能每个模型都跳一此，首次缩放改为所选的回调
// this.map.zoomTo(tileset)
// return (
// (e.key = a),
// e.readyPromise.then(function (e) {
// var t = Cesium.Cartographic.fromCartesian(e.boundingSphere.center),
// o = Cesium.Cartesian3.fromRadians(t.longitude, t.latitude, 0);
// let a = Cesium.Cartesian3.fromRadians(t.longitude, t.latitude, 0);
// t = Cesium.Cartesian3.subtract(a, o, new Cesium.Cartesian3());
// (e.modelMatrix = Cesium.Matrix4.fromTranslation(t)),
// l.color &&
// (e.style = new Cesium.Cesium3DTileStyle({
// color: {
// conditions: [['true', l.color]],
// },
// })),
// l.isEffects && e.tileVisible.addEventListener(r.modelEffect);
// }),
// a
// );
}
/**由经纬度拼接geojson
*
*/
getgeojson(data) {
let arr = [];
if (data.length > 0) {
for (var i = 0; i < data.length; i++) {
if (
data[i].lon != null &&
data[i].lat != null &&
data[i].lon != '' &&
data[i].lat != '' &&
parseFloat(data[i].lon) > -180 &&
parseFloat(data[i].lon) < 180 &&
parseFloat(data[i].lat) > -90 &&
parseFloat(data[i].lat) < 90
) {
let point = {
coordinates: [data[i].lon, data[i].lat],
properties: data[i],
};
arr.push(point);
}
}
}
return {
type: 'FeatureCollection',
features: arr.map((item) => {
let geometry = {
type: 'Point',
coordinates: item.coordinates,
};
return {
type: 'Feature',
geometry,
properties: item.properties,
};
}),
};
}
getWKTtoGeojson(arry) {
return {
type: 'FeatureCollection',
features: arry.map((item) => {
if (!!item.geometrys) {
let geometry = WKT.parse(item.geometrys);
return { type: 'Feature', geometry, properties: item };
} else {
let geometry = WKT.parse(item.supplier);
return { type: 'Feature', geometry, properties: item };
}
}),
};
}
//添加geojson point
addGeojsonPoint(
option = {
id: '',
data: '',
icon: '',
text: '',
fontSize: '',
font: 'Source Han Sans CN',
height: 25,
width: 25,
labelOffset: [0, 20],
imgOffset: [0, 0],
showBackground: false,
backgroundColor: '#ff0000',
fillColor: '#ffffff',
outlineColor: '',
outlineWidth: 1,
show: false,
style: Cesium.LabelStyle.FILL, //Cesium.LabelStyle.FILL_AND_OUTLINE Cesium.LabelStyle.OUTLINE
distanceDisplayCondition: [0, 1000000],
}
) {
const promise = Cesium.GeoJsonDataSource.load(option.data); //读取geojson数据
promise.then((dataSource) => {
dataSource.name = option.id;
this.map.dataSources.add(dataSource);
const entities = dataSource.entities.values; //获取dataSource中的entitis集合
for (const item in entities) {
const entity = entities[item];
entity.newFiberId = option.id;
if (option.text !== '') {
let timer = setInterval(() => {
if (!entity.properties) {
return;
} else {
entity.name = entity.properties[option.text]._value;
entity.label.text = entity.name;
clearInterval(timer);
}
});
}
entity.billboard = {
image: option.icon, //修改图片样式
height: option.height,
width: option.width,
horizontalOrigin: Cesium.HorizontalOrigin.CENTER, // //相对于对象的原点（注意是原点的位置）的水平位置
verticalOrigin: Cesium.VerticalOrigin.BOTTOM, //相对于对象的原点的垂直位置，BOTTOM时锚点在下，对象在上
pixelOffset: new Cesium.Cartesian2(option.imgOffset[0], option.imgOffset[1]),
show: option.show,
position: entity.position,
distanceDisplayCondition: new Cesium.DistanceDisplayCondition(
option.distanceDisplayCondition ? option.distanceDisplayCondition[0] : 0,
option.distanceDisplayCondition ? option.distanceDisplayCondition[1] : 1000000
),
};
entity.label = {
text: entity.name, //文字描述
font: option.fontSize + ' ' + option.font, //字体样式
fillColor: Cesium.Color.fromCssColorString(option.fillColor), //字体颜色
backgroundColor: Cesium.Color.fromCssColorString(option.backgroundColor), //背景颜色
showBackground: option.showBackground, //是否显示背景颜色
style: option.style, //label样式
outlineColor: Cesium.Color.fromCssColorString(option.outlineColor),
outlineWidth: option.outlineWidth, //外轮廓宽度
pixelOffset: new Cesium.Cartesian2(option.labelOffset[0], option.labelOffset[1]), //偏移
//eyeOffset: new Cesium.Cartesian3(0, 0, -10000),
show: option.show,
distanceDisplayCondition: new Cesium.DistanceDisplayCondition(
option.distanceDisplayCondition ? option.distanceDisplayCondition[0] : 0,
option.distanceDisplayCondition ? option.distanceDisplayCondition[1] : 1000000
),
// disableDepthTestDistance: Number.POSITIVE_INFINITY, //一个属性，指定从相机到该距离时禁用深度测试的距离
// heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, //贴地设置
};
this.map.entities.add(entity);
}
});
}
//添加geojson polyLine
addGeojsonLine(
option = {
id: '',
data: '',
text: '',
fontSize: '',
font: 'Source Han Sans CN',
labelOffset: [0, 20],
showBackground: false,
backgroundColor: '#ff0000',
fillColor: '#ffffff',
outlineColor: '',
outlineWidth: 1,
style: Cesium.LabelStyle.FILL, //Cesium.LabelStyle.FILL_AND_OUTLINE Cesium.LabelStyle.OUTLINE
material: null,
width: 6,
distanceDisplayCondition: [0, 1000000],
}
) {
const promise = Cesium.GeoJsonDataSource.load(option.data); //读取geojson数据
promise.then((dataSource) => {
dataSource.name = option.id;
this.map.dataSources.add(dataSource);
const entities = dataSource.entities.values; //获取dataSource中的entitis集合
for (const item in entities) {
const entity = entities[item];
entity.newFiberId = option.id;
setTimeout(() => {
if (typeof entity === 'function') return;
entity.polyline.material = option.material
? option.material
: !!entity.properties
? Cesium.Color.fromCssColorString(entity.properties.color._value).withAlpha(0.6)
: '';
entity.polyline.width = option.width;
entity.polyline.distanceDisplayCondition = new Cesium.DistanceDisplayCondition(
option.distanceDisplayCondition ? option.distanceDisplayCondition[0] : 0,
option.distanceDisplayCondition ? option.distanceDisplayCondition[1] : 1000000
);
entity.label = {
text: option.text, //文字描述
font: option.fontSize + ' ' + option.font, //字体样式
fillColor: Cesium.Color.fromCssColorString(option.fillColor), //字体颜色
backgroundColor: Cesium.Color.fromCssColorString(option.backgroundColor), //背景颜色
showBackground: option.showBackground, //是否显示背景颜色
style: option.style, //label样式
outlineColor: Cesium.Color.fromCssColorString(option.outlineColor),
outlineWidth: option.outlineWidth, //外轮廓宽度
verticalOrigin: Cesium.VerticalOrigin.CENTER, //垂直位置
horizontalOrigin: Cesium.HorizontalOrigin.LEFT, //水平位置
pixelOffset: new Cesium.Cartesian2(option.labelOffset[0], option.labelOffset[1]), //偏移
// distanceDisplayCondition: new Cesium.DistanceDisplayCondition(10.0, 20000000.0),
scaleByDistance: new Cesium.NearFarScalar(1000, 1, 20000000, 1.5),
// eyeOffset: new Cesium.Cartesian3(0, 0, -10000),
disableDepthTestDistance: Number.POSITIVE_INFINITY, //一个属性，指定从相机到该距离时禁用深度测试的距离
heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, //贴地设置
};
this.map.entities.add(entity);
}, 100);
}
});
}
//添加geojson polygon
addGeojsonPolygon(
option = {
id: '',
data: '',
text: '',
fontSize: '',
font: 'Source Han Sans CN',
labelOffset: [0, 20],
showBackground: false,
backgroundColor: '#ff0000',
fillColor: '#ffffff',
outlineColor: '',
outlineWidth: 1,
style: Cesium.LabelStyle.FILL, //Cesium.LabelStyle.FILL_AND_OUTLINE Cesium.LabelStyle.OUTLINE
material: null,
width: 6,
strokeColor: '#ffffff',
groundHeight: 0,
distanceDisplayCondition: [0, 1000000],
}
) {
const promise = Cesium.GeoJsonDataSource.load(option.data, {}); //读取geojson数据
promise.then((dataSource) => {
dataSource.name = option.id;
this.map.dataSources.add(dataSource);
const entities = dataSource.entities.values; //获取dataSource中的entitis集合
for (const item in entities) {
const entity = entities[item];
entity.newFiberId = option.id;
setTimeout(() => {
if (typeof entity === 'function') return;
entity.polygon.material =
option.material !== null
? option.material
: !!entity.properties
? Cesium.Color.fromCssColorString(entity.properties.color._value).withAlpha(0.2)
: '';
entity.polygon.outline = false;
entity.polygon.outlineColor = Cesium.Color.fromCssColorString(entity.properties.color._value);
entity.polygon.height = option.groundHeight;
entity.polygon.distanceDisplayCondition = new Cesium.DistanceDisplayCondition(
option.distanceDisplayCondition ? option.distanceDisplayCondition[0] : 0,
option.distanceDisplayCondition ? option.distanceDisplayCondition[1] : 1000000
);
entity.label = {
text: option.text, //文字描述
font: option.fontSize + ' ' + option.font, //字体样式
fillColor: Cesium.Color.fromCssColorString(option.fillColor), //字体颜色
backgroundColor: Cesium.Color.fromCssColorString(option.backgroundColor), //背景颜色
showBackground: option.showBackground, //是否显示背景颜色
style: option.style, //label样式
outlineColor: Cesium.Color.fromCssColorString(option.outlineColor),
outlineWidth: option.outlineWidth, //外轮廓宽度
verticalOrigin: Cesium.VerticalOrigin.CENTER, //垂直位置
horizontalOrigin: Cesium.HorizontalOrigin.LEFT, //水平位置
pixelOffset: new Cesium.Cartesian2(option.labelOffset[0], option.labelOffset[1]), //偏移
// distanceDisplayCondition: new Cesium.DistanceDisplayCondition(10.0, 20000000.0),
scaleByDistance: new Cesium.NearFarScalar(1000, 1, 20000000, 1.5),
// eyeOffset: new Cesium.Cartesian3(0, 0, -10000),
disableDepthTestDistance: Number.POSITIVE_INFINITY, //一个属性，指定从相机到该距离时禁用深度测试的距离
heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, //贴地设置
};
this.map.entities.add(entity);
}, 100);
}
});
}
//添加动态水面
dynamicWaterToMap(geojson, waterImg) {
geojson.features.forEach((feature) => {
let coordinatesArry = feature.geometry.coordinates.flat().flat();
let instance = new Cesium.GeometryInstance({
id: 'dynamicWater',
geometry: new Cesium.PolygonGeometry({
polygonHierarchy: new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArray(coordinatesArry)),
}),
});
let primitive = new Cesium.Primitive({
geometryInstances: instance, //可以是实例数组
appearance: new Cesium.EllipsoidSurfaceAppearance({
material: new Cesium.Material({
fabric: {
type: 'Water',
uniforms: {
baseWaterColor: new Cesium.Color(64 / 255.0, 157 / 255.0, 253 / 255.0, 0.5),
normalMap: waterImg,
frequency: 1000.0,
animationSpeed: 0.1,
amplitude: 20,
specularIntensity: 10,
},
},
}),
}),
});
// 将图元添加到集合
this.map.scene.primitives.add(primitive);
});
}
//添加geoserver wms
addGeoserverWMS(
option = {
url: '',
layerId: '',
id: '',
}
) {
let provider = new Cesium.WebMapServiceImageryProvider({
url: option.url,
layers: option.layerId,
newFiberId: option.id,
parameters: {
service: 'WMS',
format: 'image/png',
transparent: true,
},
});
this.map.imageryLayers.addImageryProvider(provider);
}
//构造抛物线
parabolaFlowInit(option = { id: '', startPosition: '', endPosition: '', height: '', color: '', width: '' }) {
let _siglePositions = parabola(option.startPosition, option.endPosition, option.height);
let polyline = {
positions: _siglePositions,
width: option.width,
material: new Cesium.LineFlowMaterialProperty({
color: Cesium.Color.fromCssColorString(option.color),
speed: 5,
percent: 0.5,
gradient: 0.01,
}),
};
// this.map.entities.add({
// polyline: {
// width: option.width,
// newFiberId: option.id,
// positions: _siglePositions,
// material: Cesium.Color.fromCssColorString(option.color1),
// },
// });
this.map.entities.add({
polyline: polyline,
newFiberId: option.id,
});
function parabola(startPosition, endPosition, height = 0, count = 50) {
//方程 y=-(4h/L^2)*x^2+h h:顶点高度 L：横纵间距较大者
let result = [];
height = Math.max(+height, 100);
count = Math.max(+count, 50);
let diffLon = Math.abs(startPosition[0] - endPosition[0]);
let diffLat = Math.abs(startPosition[1] - endPosition[1]);
let L = Math.max(diffLon, diffLat);
let dlt = L / count;
if (diffLon > diffLat) {
//base on lon
let delLat = (endPosition[1] - startPosition[1]) / count;
if (startPosition[0] - endPosition[0] > 0) {
dlt = -dlt;
}
for (let i = 0; i < count; i++) {
let h = height - (Math.pow(-0.5 * L + Math.abs(dlt) * i, 2) * 4 * height) / Math.pow(L, 2);
let lon = startPosition[0] + dlt * i;
let lat = startPosition[1] + delLat * i;
let point = new Cesium.Cartesian3.fromDegrees(lon, lat, h);
result.push(point);
}
} else {
//base on lat
let delLon = (endPosition[0] - startPosition[0]) / count;
if (startPosition[1] - endPosition[1] > 0) {
dlt = -dlt;
}
for (let i = 0; i < count; i++) {
let h = height - (Math.pow(-0.5 * L + Math.abs(dlt) * i, 2) * 4 * height) / Math.pow(L, 2);
let lon = startPosition[0] + delLon * i;
let lat = startPosition[1] + dlt * i;
let point = new Cesium.Cartesian3.fromDegrees(lon, lat, h);
result.push(point);
}
}
return result;
}
}
//点击事件
mapClickEvent(callback) {
//点击地图事件
let handler = new Cesium.ScreenSpaceEventHandler(this.map.scene.canvas);
handler.setInputAction((click) => {
// 屏幕坐标转世界坐标——关键点
let ellipsoid = this.map.scene.globe.ellipsoid;
let cartesian = this.map.camera.pickEllipsoid(click.position, ellipsoid);
if (cartesian) {
//判断点击的是否是地球
//将笛卡尔坐标转换为地理坐标
let cartographic = Cesium.Cartographic.fromCartesian(cartesian);
//将弧度转为度的十进制度表示
let lon = Cesium.Math.toDegrees(cartographic.longitude);
let lat = Cesium.Math.toDegrees(cartographic.latitude);
let pick = this.map.scene.pick(click.position);
if (Cesium.defined(pick) && pick.id.id) {
let position = cartesian;
let point = [lon, lat];
let feature = pick.id;
if (typeof callback === 'function') callback(position, point, feature);
}
}
}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
}
//创建弹窗
createPopup(option = { element: '', position: '' }) {
let self = this;
let position = Cesium.Cartesian3.fromDegrees(option.position[0], option.position[1], option.position[2]);
let bubble = document.getElementById(option.element);
let winpos = self.map.scene.cartesianToCanvasCoordinates(position);
let poph = bubble.offsetHeight;
bubble.style.left = winpos.x + 'px';
bubble.style.top = winpos.y - poph + 'px';
//self.map.scene.postRender.addEventListener(function (e) {});
//相机移动开始事件
// this.map.scene.camera.moveStart.addEventListener(() => {
this.removeHandler = this.map.scene.postRender.addEventListener(() => {
if (position) {
winpos = self.map.scene.cartesianToCanvasCoordinates(position);
bubble = document.getElementById(option.element);
if (!bubble) return;
poph = bubble.offsetHeight;
bubble.style.left = winpos.x + 'px';
bubble.style.top = winpos.y - poph + 'px';
}
});
//});
//相机移动结束事件
// this.map.scene.camera.moveEnd.addEventListener(() => {
// console.log('end');
// this.removeHandler.call();
// });
}
setVisibility(id, visible) {
let selectedLayer = this.map.entities.values.filter((item) => item.newFiberId == id);
if (!selectedLayer.length) return;
selectedLayer.forEach((entity) => {
entity.show = visible;
if (entity.billboard) {
entity.billboard.show._value = visible;
}
if (entity.label) {
entity.label.show._value = visible;
}
});
}
removeLayer(id) {
let selectedLayer = this.map.entities.values.filter((item) => item.newFiberId == id);
if (!selectedLayer.length) return;
selectedLayer.forEach((entity) => {
this.map.entities.remove(entity);
});
let selectedSource = this.map.dataSources.getByName(id);
if (!selectedSource.length) return;
this.map.dataSources.remove(selectedSource[0]);
}
}
