import * as mars3d from "mars3d"
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// import kgUtil from "kml-geojson"
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export let map // mars3d.Map三维地图对象
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export let graphicLayer // 矢量图层对象
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export const mapOptions = {
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// scene: {
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// center: { lat: 30.846849, lng: 116.335307, alt: 739, heading: 360, pitch: -45 }
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// },
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control: {
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infoBox: false
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}
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}
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export const eventTarget = new mars3d.BaseClass()
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/**
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* 初始化地图业务，生命周期钩子函数（必须）
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* 框架在地图初始化完成后自动调用该函数
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* @param {mars3d.Map} mapInstance 地图对象
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* @returns {void} 无
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*/
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export function onMounted(mapInstance) {
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map = mapInstance // 记录map
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graphicLayer = new mars3d.layer.GraphicLayer({
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hasEdit: true,
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isAutoEditing: true // 绘制完成后是否自动激活编辑
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})
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map.addLayer(graphicLayer)
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bindLayerEvent()
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bindLayerContextMenu() // 在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效
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loadDemoData()
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// 自定义提示
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// mars3d.Lang["_单击开始绘制"][0] = "新的提示内容";
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// mars3d.Lang["_单击增加点右击删除点"][0] = "新的提示内容";
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// mars3d.Lang["_双击完成绘制"][0] = "";
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}
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/**
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* 释放当前地图业务的生命周期函数
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* @returns {void} 无
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*/
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export function onUnmounted() {
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map = null
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}
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export function drawPoint() {
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graphicLayer.startDraw({
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type: "point",
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style: {
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pixelSize: 12,
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color: "#3388ff",
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label: {
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// 不需要文字时，去掉label配置即可
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text: "可以同时支持文字",
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font_size: 20,
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color: "#ffffff",
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outline: true,
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outlineColor: "#000000",
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pixelOffsetY: -20
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}
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}
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})
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}
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export function drawMarker() {
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graphicLayer.startDraw({
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type: "billboard",
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style: {
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image: "img/marker/mark1.png",
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horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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label: {
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// 不需要文字时，去掉label配置即可
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text: "可以同时支持文字",
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font_size: 26,
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color: "#ffffff",
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outline: true,
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outlineColor: "#000000",
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pixelOffsetY: -60
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}
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}
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})
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}
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export function drawLabel() {
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graphicLayer.startDraw({
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type: "label",
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style: {
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text: "火星科技三维地球",
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color: "#0081c2",
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font_size: 50,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2
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}
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})
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}
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export function startDrawModel() {
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graphicLayer.startDraw({
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type: "model",
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style: {
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scale: 10,
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url: "//data.mars3d.cn/gltf/mars/firedrill/xiaofangche.gltf"
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}
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})
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}
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export function drawPolyline(clampToGround) {
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graphicLayer.startDraw({
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type: "polyline",
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// maxPointNum: 2, //限定最大点数，可以绘制2个点的线，自动结束
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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width: 3,
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clampToGround: clampToGround
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}
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})
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}
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export function drawPolygon(clampToGround) {
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graphicLayer.startDraw({
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type: "polygon",
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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opacity: 0.5,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2.0,
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clampToGround: clampToGround
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}
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})
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}
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export function drawCurve(clampToGround) {
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graphicLayer.startDraw({
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type: "curve",
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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width: 3,
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clampToGround: clampToGround
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}
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})
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}
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export function drawCorridor(clampToGround) {
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graphicLayer.startDraw({
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type: "corridor",
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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opacity: 0.6,
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width: 500,
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clampToGround: clampToGround
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}
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})
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}
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export function drawEllipse(clampToGround) {
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graphicLayer.startDraw({
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type: "circle",
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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opacity: 0.6,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2.0,
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clampToGround: clampToGround
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}
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})
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}
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export function drawRectangle(clampToGround) {
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graphicLayer.startDraw({
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type: "rectangle",
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style: {
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color: clampToGround ? "#ffff00" : "#3388ff",
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opacity: 0.6,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2.0,
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clampToGround: clampToGround
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}
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})
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}
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export function draPlane() {
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graphicLayer.startDraw({
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type: "plane",
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style: {
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color: "#00ff00",
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opacity: 0.8,
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plane_normal: "x",
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dimensions_x: 1000.0,
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dimensions_y: 1000.0
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}
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})
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}
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export function draWall(closure) {
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graphicLayer.startDraw({
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type: "wall",
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style: {
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color: "#00ff00",
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opacity: 0.8,
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diffHeight: 400,
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closure: closure // 是否闭合
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}
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})
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}
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export function drawBox() {
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graphicLayer.startDraw({
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type: "box",
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style: {
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color: "#00ff00",
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opacity: 0.6,
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dimensions_x: 1000.0,
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dimensions_y: 1000.0,
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dimensions_z: 1000.0
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}
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})
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}
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export function drawCylinder() {
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graphicLayer.startDraw({
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type: "cylinder",
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style: {
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fill: true,
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color: "#00ff00",
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opacity: 0.6,
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length: 1000
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}
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})
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}
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export function drawEllipsoid() {
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graphicLayer.startDraw({
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type: "ellipsoid",
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style: {
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fill: true,
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color: "#00ff00",
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opacity: 0.6
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}
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})
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}
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export function drawExtrudedPolygon() {
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graphicLayer.startDraw({
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type: "polygon",
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style: {
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color: "#00ff00",
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opacity: 0.6,
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diffHeight: 300
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}
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})
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}
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export function drawExtrudedRectangle() {
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graphicLayer.startDraw({
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type: "rectangle",
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style: {
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color: "#00ff00",
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opacity: 0.6,
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diffHeight: 300
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}
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})
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}
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export function drawExtrudedCircle() {
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graphicLayer.startDraw({
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type: "circle",
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style: {
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color: "#00ff00",
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opacity: 0.6,
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diffHeight: 300
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}
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})
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}
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// 在图层级处理一些事物
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function bindLayerEvent() {
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// 在layer上绑定监听事件
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// graphicLayer.on(mars3d.EventType.click, function (event) {
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// console.log("监听layer，单击了矢量对象", event)
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// })
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/* graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听layer，鼠标移入了矢量对象", event)
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})
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graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听layer，鼠标移出了矢量对象", event)
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}) */
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// 数据编辑相关事件， 用于属性弹窗的交互
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// graphicLayer.on(mars3d.EventType.drawCreated, function (e) {
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// eventTarget.fire("graphicEditor-start", e)
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// })
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graphicLayer.on(
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[mars3d.EventType.editStart, mars3d.EventType.editMovePoint, mars3d.EventType.editStyle, mars3d.EventType.editRemovePoint],
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function (e) {
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eventTarget.fire("graphicEditor-update", e)
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}
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)
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graphicLayer.on([mars3d.EventType.editStop, mars3d.EventType.removeGraphic], function (e) {
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eventTarget.fire("graphicEditor-stop", e)
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})
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}
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// 在图层绑定Popup弹窗
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export function bindLayerPopup() {
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graphicLayer.bindPopup(function (event) {
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const attr = event.graphic.attr || {}
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attr["类型"] = event.graphic.type
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attr["来源"] = "我是layer上绑定的Popup"
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attr["备注"] = "我支持鼠标交互"
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return mars3d.Util.getTemplateHtml({ title: "矢量图层", template: "all", attr: attr })
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})
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}
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export function bindLayerContextMenu() {
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graphicLayer.bindContextMenu([
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{
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text: "开始编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic || !graphic.startEditing) {
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return false
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}
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return !graphic.isEditing
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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if (graphic) {
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graphicLayer.startEditing(graphic)
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}
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}
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},
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{
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text: "停止编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return graphic.isEditing
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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if (graphic) {
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graphicLayer.stopEditing(graphic)
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}
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}
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},
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{
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text: "删除对象",
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icon: "fa fa-trash-o",
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show: (event) => {
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const graphic = event.graphic
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if (!graphic || graphic.isDestroy) {
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return false
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} else {
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return true
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}
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return
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}
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const parent = graphic._parent // 右击是编辑点时
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graphicLayer.removeGraphic(graphic)
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if (parent) {
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graphicLayer.removeGraphic(parent)
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}
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}
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},
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{
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text: "计算长度",
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icon: "fa fa-medium",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return (
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graphic.type === "polyline" ||
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graphic.type === "polylineP" ||
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graphic.type === "curve" ||
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graphic.type === "curveP" ||
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graphic.type === "polylineVolume" ||
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graphic.type === "polylineVolumeP" ||
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graphic.type === "corridor" ||
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graphic.type === "corridorP" ||
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graphic.type === "wall" ||
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graphic.type === "wallP"
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)
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},
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callback: function (e) {
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const graphic = e.graphic
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const strDis = mars3d.MeasureUtil.formatDistance(graphic.distance)
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globalAlert("该对象的长度为:" + strDis)
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}
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},
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{
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text: "计算周长",
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icon: "fa fa-medium",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return (
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graphic.type === "circle" ||
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graphic.type === "circleP" ||
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graphic.type === "rectangle" ||
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graphic.type === "rectangleP" ||
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graphic.type === "polygon" ||
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graphic.type === "polygonP"
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)
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},
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callback: function (e) {
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const graphic = e.graphic
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const strDis = mars3d.MeasureUtil.formatDistance(graphic.distance)
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globalAlert("该对象的周长为:" + strDis)
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}
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},
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{
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text: "计算面积",
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icon: "fa fa-reorder",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return (
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graphic.type === "circle" ||
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graphic.type === "circleP" ||
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graphic.type === "rectangle" ||
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graphic.type === "rectangleP" ||
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graphic.type === "polygon" ||
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graphic.type === "polygonP" ||
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graphic.type === "scrollWall" ||
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graphic.type === "water"
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)
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},
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callback: function (e) {
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const graphic = e.graphic
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const strArea = mars3d.MeasureUtil.formatArea(graphic.area)
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globalAlert("该对象的面积为:" + strArea)
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}
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}
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])
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}
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/**
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* 设置是否仅在模型上标绘
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* @param {Boolean} value 是否仅在模型上标绘
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* @returns {void}
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*/
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export function updateOnlyPickModelPosition(value) {
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map.onlyPickModelPosition = value
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}
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/**
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* 打开geojson文件
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*
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* @export
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* @param {FileInfo} file 文件
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* @returns {void} 无
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*/
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export function openGeoJSON(file) {
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const fileName = file.name
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const fileType = fileName?.substring(fileName.lastIndexOf(".") + 1, fileName.length).toLowerCase()
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if (fileType === "json" || fileType === "geojson") {
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const reader = new FileReader()
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reader.readAsText(file, "UTF-8")
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reader.onloadend = function (e) {
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let geojson = this.result
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geojson = simplifyGeoJSON(geojson) // 简化geojson的点
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graphicLayer.loadGeoJSON(geojson, {
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flyTo: true
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})
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}
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} else if (fileType === "kml") {
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const reader = new FileReader()
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reader.readAsText(file, "UTF-8")
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reader.onloadend = function (e) {
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const strkml = this.result
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kgUtil.toGeoJSON(strkml).then((geojson) => {
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geojson = simplifyGeoJSON(geojson) // 简化geojson的点
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console.log("kml2geojson", geojson)
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graphicLayer.loadGeoJSON(geojson, {
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flyTo: true
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})
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})
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}
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} else if (fileType === "kmz") {
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// 加载input文件控件的二进制流
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kgUtil.toGeoJSON(file).then((geojson) => {
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geojson = simplifyGeoJSON(geojson) // 简化geojson的点
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console.log("kmz2geojson", geojson)
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graphicLayer.loadGeoJSON(geojson, {
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flyTo: true
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})
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})
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} else {
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globalMsg("暂不支持 " + fileType + " 文件类型的数据！")
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}
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}
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// 简化geojson的坐标
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function simplifyGeoJSON(geojson) {
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try {
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geojson = turf.simplify(geojson, { tolerance: 0.000001, highQuality: true, mutate: true })
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} catch (e) {
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//
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}
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return geojson
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}
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// 点击保存GeoJSON
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export function saveGeoJSON() {
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if (graphicLayer.length === 0) {
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globalMsg("当前没有标注任何数据，无需保存！")
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return
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}
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const geojson = graphicLayer.toGeoJSON()
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mars3d.Util.downloadFile("我的标注.json", JSON.stringify(geojson))
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}
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// 点击保存KML
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export function saveKML() {
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if (graphicLayer.length === 0) {
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globalMsg("当前没有标注任何数据，无需保存！")
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return
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}
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let geojsonObject = graphicLayer.toGeoJSON()
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if (geojsonObject == null) {
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return null
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}
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geojsonObject = JSON.parse(JSON.stringify(geojsonObject))
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const kml = kgUtil.toKml(geojsonObject, {
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name: "Mars3D标绘数据",
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documentName: "Mars3D标绘数据文件",
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documentDescription: "标绘数据 by mars3d.cn",
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simplestyle: true
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})
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mars3d.Util.downloadFile("我的标注.kml", kml)
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}
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// 点击保存WKT
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export function saveWKT() {
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if (graphicLayer.length === 0) {
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globalMsg("当前没有标注任何数据，无需保存！")
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return
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}
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let geojsonObject = graphicLayer.toGeoJSON()
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if (geojsonObject == null) {
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return null
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}
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geojsonObject = JSON.parse(JSON.stringify(geojsonObject))
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const arrWKT = []
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let index = 0
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geojsonObject.features.forEach((feature) => {
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const attr = feature.properties
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const style = feature.properties.style
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const wkt = Terraformer.WKT.convert(feature.geometry) // geojson转换WKT格式 ,terraformer库
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arrWKT.push({
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id: ++index,
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name: attr.name || "",
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remark: attr.remark || "",
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style: style,
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wkt: wkt
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})
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})
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mars3d.Util.downloadFile("我的标注wkt.txt", JSON.stringify(arrWKT))
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}
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// 加载演示数据
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function loadDemoData() {
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if (location.hostname === "localhost" || location.hostname === "127.0.0.1") {
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return
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}
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mars3d.Util.fetchJson({ url: "//data.mars3d.cn/file/geojson/mars3d-draw.json" }).then(function (json) {
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graphicLayer.loadGeoJSON(json, { clear: true, flyTo: true })
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})
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}
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