lonlat_to_merc: Transform between spherical Mercator and longitude/latitude

In slippymath: Slippy Map Tile Tools

Description

Transform between spherical Mercator and longitude/latitude

Usage

lonlat_to_merc(ll)

merc_to_lonlat(xy)

Arguments

ll	matrix of longitude / latitude
xy	matrix of x / y Mercator

Value

matrix of coordinates transformed forward or inverse

Examples

uluru_lonlat <- matrix(c(131.0325162,
                         -25.3448562),
                       nrow = 1)

lonlat_to_merc(uluru_lonlat)

uluru_merc <- matrix(c(14586472.958481,
                       -2918162.223463),
                     nrow = 1)

merc_to_lonlat(uluru_merc)

slippymath documentation built on June 28, 2019, 5:04 p.m.