itfvectormapdata_00000000_0000_0000_0000_000000000001 type=xyz&url=https://ivm.tsukuba.dev/tiles/%7Bz%7D/%7Bx%7D/%7By%7D.pbf&zmax=18&zmin=0 itf-vectormapdata +proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs 3857 3857 EPSG:3857 WGS 84 / Pseudo-Mercator merc EPSG:7030 false xyzvectortiles 1 1 1 0 0 1