polyline_wkt: Polyline WKT

In googlePolylines: Encoding Coordinates into 'Google' Polylines

Polyline WKT

Description

Converts encoded polylines into well-known text.

Usage

polyline_wkt(obj)

Arguments

obj	sfencoded object or encoded_column of encoded polylines

Details

'Polylines' refers to lat/lon coordinates encoded into strings using Google's polyline encoding algorithm.

The function assumes Google Web Mercator projection (WSG 84 / EPSG:3857 / EPSG:900913) for inputs and outputs.

Value

well-known text representation of the encoded polylines

Note

This will not work if you have specified strip = TRUE for encode()

Examples

## Not run: 

library(sf)
nc <- sf::st_read(system.file("shape/nc.shp", package="sf"))

## encode to polylines
enc <- encode(nc)

## convert encoded lines to well-known text
wkt <- polyline_wkt(enc)


## End(Not run)

googlePolylines documentation built on Sept. 8, 2023, 5:55 p.m.