import * as mars3d from "mars3d"
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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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// 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
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export const mapOptions = {
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scene: {
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center: { lat: 30.63693, lng: 116.271312, alt: 25226, heading: 350, pitch: -38 }
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}
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}
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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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// 创建Graphic图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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bindLayerEvent() // 对图层绑定相关事件
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bindLayerPopup() // 在图层上绑定popup,对所有加到这个图层的矢量数据都生效
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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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// 加一些演示数据
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addDemoGraphic1(graphicLayer)
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addDemoGraphic2(graphicLayer)
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addDemoGraphic3(graphicLayer)
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addDemoGraphic4(graphicLayer)
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addDemoGraphic5(graphicLayer)
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addDemoGraphic6(graphicLayer)
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addDemoGraphic7(graphicLayer)
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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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function addDemoGraphic1(graphicLayer) {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: [116.282587, 30.859197, 1544.31],
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style: {
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length: 2000.0,
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topRadius: 0.0,
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bottomRadius: 1000.0,
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color: "#ff0000",
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opacity: 0.7
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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// 演示对graphic的个性化处理
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initGraphicManager(primitive)
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}
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function addDemoGraphic2(graphicLayer) {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: new mars3d.LngLatPoint(116.22457, 30.883148, 1035.2),
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style: {
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length: 2000.0,
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topRadius: 0.0,
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bottomRadius: 1000.0,
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color: "#ff0000",
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opacity: 0.4,
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heading: 45,
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roll: 45,
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pitch: 0
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addDemoGraphic3(graphicLayer) {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: [116.177214, 30.842242, 2000],
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style: {
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slices: 4, // 四凌锥
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length: 4000.0,
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topRadius: 0.0,
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bottomRadius: 900.0,
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color: "#00ffff",
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opacity: 0.4,
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label: { text: "鼠标移入会高亮", pixelOffsetY: -30 },
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// 高亮时的样式（默认为鼠标移入，也可以指定type:'click'单击高亮），构造后也可以openHighlight、closeHighlight方法来手动调用
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highlight: {
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opacity: 0.8
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}
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(primitive)
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}
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function addDemoGraphic4(graphicLayer) {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: [116.244399, 30.920459, 573.6],
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style: {
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length: 2000.0,
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topRadius: 1000.0,
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bottomRadius: 1000.0,
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color: "#00FFFF",
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opacity: 0.4
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},
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attr: { remark: "示例4" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addDemoGraphic5(graphicLayer) {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: [116.328775, 30.954602, 5000],
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style: {
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length: 10000.0,
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topRadius: 0.0,
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bottomRadius: 1500.0,
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// 自定义扩散波纹纹理
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CylinderWave, {
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color: "#ffff00",
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repeat: 30.0
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}),
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faceForward: false, // 当绘制的三角面片法向不能朝向视点时，自动翻转法向，从而避免法向计算后发黑等问题
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closed: true // 是否为封闭体，实际上执行的是 是否进行背面裁剪
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},
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attr: { remark: "示例5" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addDemoGraphic6(graphicLayer) {
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// 添加卫星1
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const point = new mars3d.LngLatPoint(116.148832, 30.920609, 9000)
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// 添加模型
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const graphicModel = new mars3d.graphic.ModelPrimitive({
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position: point,
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style: {
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url: "//data.mars3d.cn/gltf/mars/zhanji.glb",
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scale: 1,
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minimumPixelSize: 50
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},
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attr: { remark: "示例6" }
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})
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graphicLayer.addGraphic(graphicModel)
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// 效果1
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const pointQY = point.clone()
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pointQY.alt = pointQY.alt / 2
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const graphic = new mars3d.graphic.CylinderPrimitive({
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position: pointQY,
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style: {
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length: point.alt,
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topRadius: 0.0,
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bottomRadius: 3000,
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CircleWave, {
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color: "#02ff00"
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})
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}
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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}
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// 注册自定义材质
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const CylinderFadeType = "CylinderFade"
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mars3d.MaterialUtil.register(CylinderFadeType, {
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fabric: {
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uniforms: {
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color: new Cesium.Color(1.0, 0.0, 0.0, 0.7),
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image: Cesium.Material.DefaultImageId
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},
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source: `
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uniform vec4 color;
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uniform sampler2D image;
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czm_material czm_getMaterial(czm_materialInput materialInput){
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czm_material material = czm_getDefaultMaterial(materialInput);
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vec2 st = materialInput.st;
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float time = fract(czm_frameNumber / 90.) ;
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vec2 new_st = fract(st- vec2(time,time));
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vec4 colorImage = texture2D(image, new_st);
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vec3 diffuse = colorImage.rgb;
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float alpha = colorImage.a;
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diffuse *= color.rgb;
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alpha *= color.a;
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material.diffuse = diffuse;
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material.alpha = alpha * pow(1. - st.t,color.a);
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return material;
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} `
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},
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translucent: true
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})
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function addDemoGraphic7(graphicLayer) {
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Cesium.Resource.fetchImage({ url: "img/textures/vline-point.png" }).then((image) => {
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const primitive = new mars3d.graphic.CylinderPrimitive({
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position: [116.209929, 30.975196, 1670.4],
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style: {
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length: 2000.0,
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topRadius: 0.0,
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bottomRadius: 1000.0,
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material: mars3d.MaterialUtil.createMaterial(CylinderFadeType, {
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color: "#00ffff",
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image: _getParticlesImage(image)
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})
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},
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attr: { remark: "示例7" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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})
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}
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function _getParticlesImage(image) {
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const canvas = document.createElement("canvas")
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canvas.width = 64
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canvas.height = 256
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const ctx = canvas.getContext("2d")
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ctx.clearRect(0, 0, 64, 256)
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ctx.drawImage(image, 0, 0)
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ctx.drawImage(image, 33, 0)
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return canvas
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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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}
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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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// 绑定右键菜单
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export function bindLayerContextMenu() {
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graphicLayer.bindContextMenu([
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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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}
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// 也可以在单个Graphic上做个性化管理及绑定操作
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function initGraphicManager(graphic) {
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// 3.在graphic上绑定监听事件
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/* graphic.on(mars3d.EventType.click, function (event) {
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console.log("监听graphic，单击了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听graphic，鼠标移入了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听graphic，鼠标移出了矢量对象", event)
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}) */
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// 绑定Tooltip
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// graphic.bindTooltip('我是graphic上绑定的Tooltip') //.openTooltip()
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// 绑定Popup
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const inthtml = `<table style="width: auto;">
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<tr>
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<th scope="col" colspan="2" style="text-align:center;font-size:15px;">我是graphic上绑定的Popup </th>
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</tr>
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<tr>
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<td>提示：</td>
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<td>这只是测试信息，可以任意html</td>
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</tr>
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</table>`
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graphic.bindPopup(inthtml).openPopup()
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// 绑定右键菜单
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graphic.bindContextMenu([
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{
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text: "删除对象[graphic绑定的]",
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icon: "fa fa-trash-o",
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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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graphic.remove()
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}
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}
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}
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])
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}
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