>>参考:https://www.jianshu.com/p/9d1d5a234307
>>关于tilingscheme:https://cesium.com/learn/cesiumjs/ref-doc/TilingScheme.html
cesium加载坐标系为4490的arcgis瓦片图:https://blog.csdn.net/feifei2211/article/details/93872868
UTM投影坐标系参数:Cesium加载UTM投影切片:https://groups.google.com/g/cesium-dev/c/jIFLETLZwlo
https://blog.csdn.net/weixin_31859675/article/details/112711130
UTM50N的参数为??
UTMTilingScheme:为什么Cesium源代码没有定义一个UTMTilingScheme?
https://github.com/CesiumGS/cesium/blob/1.85/Source/Core/WebMercatorTilingScheme.js#L31
https://github.com/CesiumGS/cesium/issues/526
OpenLayers是如何加载UTM切片的。。?Cesium为什么不可以借鉴呢?