【mars3d】GraphicLayer遍历添加数据，正确拿到数据

news2024/11/17 1:49:58

import * as mars3d from "mars3d"

export let map // mars3d.Map三维地图对象
export let graphicLayer // 矢量数据图层
export const mapOptions = {
    scene: {
        center:{"lat":30.577085,"lng":116.885511,"alt":45203.5,"heading":360,"pitch":-45}
    }
}
/**
 * 初始化地图业务，生命周期钩子函数（必须）
 * 框架在地图初始化完成后自动调用该函数
 * @param {mars3d.Map} mapInstance 地图对象
 * @returns {void} 无
 */
export function onMounted(mapInstance) {
    map = mapInstance
    graphicLayer = new mars3d.layer.GraphicLayer()
    map.addLayer(graphicLayer)
    addDemoGraphic3(graphicLayer)
}

/**
 * 释放当前地图业务的生命周期函数
 * @returns {void} 无
 */
export function onUnmounted() {
    map = null
}


function addDemoGraphic3(graphicLayer) {
    var graphic = new mars3d.graphic.ModelEntity({
        name: "警车",
        position: [116.5, 30.9, 1000],
        style: {
            url: "//data.mars3d.cn/gltf/mars/jingche/jingche.gltf",
            scale: 1,
            minimumPixelSize: 50
        },
        popup: "{remark} {name} {text}",
        attr: { remark: "示例2" }
    })

    for (let i = 1; i < 10; i++) {
        const geojson = graphic.toGeoJSON()
        console.log("这是一条华丽的分割线--------------------------------------")
        console.log(geojson,"+++++++++geojson++++++++")
        const graphicCopy = mars3d.Util.geoJsonToGraphics(geojson)[0]
        console.log("这是一条华丽的分割线--------------------------------------")
        console.log(graphicCopy, "++++++++++graphicCopy++++++++++")
        delete graphicCopy.attr
        graphicCopy['attr'] = { remark: "循环示例" + i ,name: "我是追加的" + i,
            text: "原始循环示例" + i}
        graphicCopy.position = [116.5 + i * 0.1, 30.9, 1000]
        graphicCopy.style.label = graphicCopy.style.label || {}
        graphicCopy.style.label.text = "原始循环示例" + i
        graphicLayer.addGraphic(graphicCopy)
    }

}