Picks the tiling scheme from a quantized-mesh layer.json projection string: "EPSG:3857" / "mercator" / "EPSG:900913" → Web Mercator; anything else (incl. undefined / "EPSG:4326") → geographic.
layer.json
projection
"EPSG:3857"
"mercator"
"EPSG:900913"
"EPSG:4326"
Picks the tiling scheme from a quantized-mesh
layer.jsonprojectionstring:"EPSG:3857"/"mercator"/"EPSG:900913"→ Web Mercator; anything else (incl. undefined /"EPSG:4326") → geographic.