import * as Cesium from 'cesium'
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import { analyzeKmzFile, removeTextKey, XMLToJSON } from '@/utils/cesium/kmz'
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import { camelToSnake } from '@/utils/util'
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import _, { cloneDeep, throttle } from 'lodash'
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import * as turf from '@turf/turf'
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/**
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* 判断action里面是否有key
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* @param action
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* @param key
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* @returns {{hasKey: boolean, val: *}|{hasKey: boolean, val: null}}
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*/
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export function actionHasKey (action, key) {
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const curActionParams = action?.action_actuator_func_param
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const val = curActionParams?.[key]
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if (val !== undefined) {
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return { hasKey: true, val }
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} else {
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return { hasKey: false, val: null }
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}
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}
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// 解析kmz文件的时候处理pointList 写在这里
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export function handlePointListForKmz ({ placemark, startPoint, execute_height_mode, auto_flight_speed }) {
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if (!placemark?.length) return []
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const isWGS84 = execute_height_mode === 'WGS84'
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const list = placemark.map(item => {
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const [longitude, latitude] = item.point.coordinates.trim().split(',').map(i => _.round(i, 6))
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const [latitude1, longitude1] = (item?.waypoint_heading_param?.waypoint_poi_point?.trim()?.split(',') || [])
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.map(i => _.round(i, 6))
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let action_modes = item?.action_group?.action || []
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action_modes = Array.isArray(action_modes) ? action_modes : [action_modes]
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return {
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longitude,
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latitude,
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height: _.round(item.execute_height,2),
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waypoint_speed: item.waypoint_speed,
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waypoint_poi_point: longitude1 ? { longitude: longitude1, latitude: latitude1 } : undefined,//兴趣点
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action_modes,
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}
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})
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const pointStart = {
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...startPoint,
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flyRotateYaw: 0,
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pointType: 'start',
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waypoint_speed: auto_flight_speed,
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fov: 19.5, // 这个是椎体的展示截面大小
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}
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list.forEach(item => {
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item?.action_modes?.forEach(item1 => {
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let { hasKey: has_focal_length, val: focal_length } = actionHasKey(item1, 'focal_length')
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// 处理focalLength需要/24 focalLength可能是‘1,024’
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if (has_focal_length && focal_length) {
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focal_length = typeof focal_length === 'string' ? focal_length.replace(/,/g, '') : focal_length
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item1.action_actuator_func_param.focal_length = Number(focal_length) / 24
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}
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})
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})
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return [pointStart, ...list]
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}
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export async function analysisPointLineKmz (kmzUrl) {
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const res = await analyzeKmzFile(`${kmzUrl}?_t=${new Date().getTime()}`)
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const templateXML = await res.fileInfoObj['wpmz/template.kml']
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const waylinesXML = await res.fileInfoObj['wpmz/waylines.wpml']
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const templateXMLJSON = XMLToJSON(templateXML)?.['Document']
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const waylinesXMLJSON = XMLToJSON(waylinesXML)?.['Document']
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const templateXMLObj = camelToSnake(removeTextKey(templateXMLJSON))
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const waylinesXMLObj = camelToSnake(removeTextKey(waylinesXMLJSON))
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const {
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mission_config: {
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take_off_ref_point,
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drone_info: { drone_enum_value, drone_sub_enum_value } = {}
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} = {},
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folder: {
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payload_param: { image_format } = {},
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placemark: {
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polygon,
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margin: buffer_distance_meters = 0
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},
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wayline_coordinate_sys_param:{height_mode} = {},
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global_height, auto_flight_speed,
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template_type: templateType
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} = {},
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} = templateXMLObj
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const [latitude, longitude, height] = take_off_ref_point.split(',').map(item => _.round(item, 6))
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let startPoint = { latitude, longitude, height: Number.isNaN(height) ? 0 : height }
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const {
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mission_config: { take_off_security_height } = {},
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folder: polygonPointFolder
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} = waylinesXMLObj
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let execute_height_mode = '', pointPlacemark
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if (templateType === "mapping3d") {
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execute_height_mode = polygonPointFolder[0].execute_height_mode
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pointPlacemark = polygonPointFolder.map(i => i.placemark)
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} else {
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execute_height_mode = polygonPointFolder.execute_height_mode
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pointPlacemark = polygonPointFolder.placemark
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}
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// 取出点位
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const coordinates = polygon?.outer_boundary_is.linear_ring
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.coordinates?.split('\n') || []
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// 数组转换
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let polygonList = coordinates.map((coordinate) =>
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coordinate
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.replace(/\s+/g, '')
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.split(',')
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.map((v) => Number(v)),
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)
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polygonList.pop()
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const templatePlacemark = templateXMLObj.folder.placemark
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// 点航线list
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let pointList = handlePointListForKmz({
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placemark: polygonPointFolder.placemark,
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startPoint,
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execute_height_mode,
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auto_flight_speed
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}).map((i,index)=> {
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// 注入是否使用全局高度参数
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return {
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...i,
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use_global_height: index > 0 ? templatePlacemark[index-1]?.use_global_height : 0
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}
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})
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return {
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image_format,
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startPoint,
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global_height,
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auto_flight_speed,
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take_off_ref_point,
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drone_enum_value,
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drone_sub_enum_value,
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take_off_security_height,//起飞安全高度
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execute_height_mode,//执行高度模式
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height_mode,//高度模式
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pointList,//航点航线 点list
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templateType,
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pointPlacemark,
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polygonList,
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buffer_distance_meters
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}
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}
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// 获取连接地面线
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export function getPolyLine (viewer, pointList, index) {
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return {
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positions: new Cesium.CallbackProperty(() => {
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const point = pointList.value[index]
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const pointPosition = Cesium.Cartesian3.fromDegrees(point.longitude, point.latitude, point.height)
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if (!pointPosition) return []
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// 获取点的位置
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const cartographic = Cesium.Cartographic.fromCartesian(pointPosition)
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// 获取地形高度
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const terrainHeight = viewer.scene.globe.getHeight(cartographic) || 0
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// 创建地面点位置
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const groundPosition = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, terrainHeight)
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return [pointPosition, groundPosition]
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}, false),
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width: 0.5,
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material: Cesium.Color.WHITE,
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}
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}
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export function getNewPolygonData (data) {
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const polygonData = data.reduce((pre, cur) => {
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let arr = cur.data.map(i => {
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if ('point' in i) return i.point.coordinates.split(',')
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if ('Point' in i) {
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if (_.isObject(i.Point.coordinates) && '#text' in i.Point.coordinates) return i.Point.coordinates['#text'].split(',')
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return i.Point.coordinates.split(',')
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}
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}).map(i => turf.point([Number(i[0]), Number(i[1])]))
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return pre.push(...arr), pre
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}, [])
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const hull = turf.convex(turf.featureCollection(polygonData))
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return hull.geometry.coordinates[0]
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}
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