MapGIS Client for JavaScript, is a cloud GIS network client development platform. It makes a perfect fusion of traditional WebGIS and cloud GIS; also integrates four mainstream map open source frameworks and visualization libraries such as Echarts, MapV, and D3, etc.. Therefore, highly-efficient visual expression and analysis of big data and real-time streaming data have been further enhanced.
https://github.com/MapGIS/WebClient-JavaScript/blob/98db6161d0d9509daee3a40fe67932257107c9a4/src/cesiumjs/layer/ThirdPartyLayer.js#L204 https://github.com/MapGIS/WebClient-JavaScript/blob/98db6161d0d9509daee3a40fe67932257107c9a4/src/cesiumjs/layer/ThirdPartyLayer.js#L256
tianditu.gov.cn.
末尾多了一个点号@MarsQiu