Defines tiled raster layout
extent covered by the layout tiles, could be greater than extent of data in the layer
tile layout (tile cols, tile rows, tile pixel size)
A LayoutScheme is something that provides LayoutLevels based on an integer id or an extent and cellsize.
Layout scheme for building a local power of 2 pyramid.
Transforms between geographic map coordinates and spatial keys.
Layout for zoom levels based off of a power-of-2 scheme, used in Leaflet et al.