global.go

package proj

func init() {
	err := addDef("EPSG:4326", "+title=WGS 84 (long/lat) +proj=longlat +ellps=WGS84 +datum=WGS84 +units=degrees")
	if err != nil {
		panic(err)
	}
	err = addDef("EPSG:4269", "+title=NAD83 (long/lat) +proj=longlat +a=6378137.0 +b=6356752.31414036 +ellps=GRS80 +datum=NAD83 +units=degrees")
	if err != nil {
		panic(err)
	}
	err = addDef("EPSG:3857", "+title=WGS 84 / Pseudo-Mercator +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs")
	if err != nil {
		panic(err)
	}

	defs["WGS84"] = defs["EPSG:4326"]
	defs["EPSG:3785"] = defs["EPSG:3857"] // maintain backward compat, official code is 3857
	defs["GOOGLE"] = defs["EPSG:3857"]
	defs["EPSG:900913"] = defs["EPSG:3857"]
	defs["EPSG:102113"] = defs["EPSG:3857"]
}