XIAO AN (WANGKANG) — 3D geospatial engineer, currently a Senior Map Engineer at Amap, working on rendering engines, GIS geometry, 3D modeling and HD map data production.https://yieryi.github.io/enhttps://yieryi.github.io/en/writing/cesium-demo-index/https://yieryi.github.io/en/writing/cesium-demo-index/An index of early 3D engine demos covering first-person navigation, geometry editing, pipelines, flood simulation and satellite trajectories. The original demos are offline; this remains a technical index.Sun, 18 May 2025 00:00:00 GMTCesiumCesium示例三维引擎https://yieryi.github.io/en/writing/cesium-sandcastle-migration/https://yieryi.github.io/en/writing/cesium-sandcastle-migration/Using Node.js, Selenium, jsdom and regex to batch-migrate Cesium Sandcastle demos, fixing paths, styles, data sources and entry points.Sun, 24 Jul 2022 00:00:00 GMTCesiumCesiumNode.jsSelenium自动化爬虫https://yieryi.github.io/en/writing/cesium-panorama/https://yieryi.github.io/en/writing/cesium-panorama/Reusing Cesium's WebGL render pipeline to blend a 3D globe with a panoramic view, without third-party libraries.Mon, 06 Sep 2021 00:00:00 GMTCesiumCesium全景WebGLThree.jshttps://yieryi.github.io/en/writing/google-earth-satellite-download/https://yieryi.github.io/en/writing/google-earth-satellite-download/Computing tile coordinates and using libcurl to download satellite imagery for a geographic extent, then validating it in Cesium.Mon, 16 Aug 2021 00:00:00 GMTGISGISC++TMS瓦片影像下载https://yieryi.github.io/en/writing/js-module-specs/https://yieryi.github.io/en/writing/js-module-specs/How JavaScript module systems load, differ and fit different use cases.Fri, 19 Mar 2021 00:00:00 GMTFrontend EngineeringJavaScriptCommonJSAMDCMDUMDES6https://yieryi.github.io/en/writing/cesium-labels-avoid-overlap/https://yieryi.github.io/en/writing/cesium-labels-avoid-overlap/Solving label overlap in large-scale Cesium scenes with camera-distance and screen-space priority.Sat, 20 Feb 2021 00:00:00 GMTCesiumCesiumLabelBillboard遮挡