Cesium WebMercatorTilingScheme: Tiling Scheme for Web Mapping

The 'tilingScheme' property in Cesium is used to define the tiling scheme of a map or imagery layer. The code snippet 'new Cesium.WebMercatorTilingScheme()' creates a new instance of the 'WebMercatorTilingScheme' class, a commonly used tiling scheme for web mapping, based on the Web Mercator projection.

The 'WebMercatorTilingScheme' divides the world into tiles using a pyramid structure, where each tile represents a square region of the Earth's surface. This tiling scheme is used by popular web mapping services like Google Maps and OpenStreetMap.

Setting the 'tilingScheme' property to 'new Cesium.WebMercatorTilingScheme()' specifies that the map or imagery layer should use the Web Mercator tiling scheme for tiling and rendering.