Cesium高级开发教程之十七：地球经纬网

教程示例网站：https://thomaz529.github.io

一、效果图

二、代码

 graticuleGrid(lon, lat) {
        if (lon < 180 && lon > 0 && lat < 90 && lat > 0) {
            viewer.entities.removeAll();
            // 每隔30°绘制一条经度线
            for (let lang = -180; lang <= 180; lang += lon) {
                let text = "";
                if (lang === 0) {
                    text = "0";
                }
                text += lang === 0 ? "" : "" + lang + "°";
                if (lang === -180) {
                    text = "";
                }
                viewer.entities.add({
                    position: