gps_as_sflinestring {gtfs2gps}

Converts a GPS-like data.table to a LineString Simple Feature (sf) object

Description

Every interval of GPS data points between stops for each trip_id is converted into a linestring segment. The output assumes constant average speed between consecutive stops.

Usage

gps_as_sflinestring(gps)

Arguments

gps

A data.table with timestamp data.

Value

A simple feature (sf) object with LineString data.

Examples

library(gtfs2gps)
library(magrittr)

poa <- read_gtfs(system.file("extdata/poa.zip", package = "gtfs2gps"))
poa_subset <- gtfstools::filter_by_shape_id(poa, c("T2-1", "A141-1")) %>%
  filter_single_trip()

poa_gps <- gtfs2gps(poa_subset)

poa_gps_sf <- gps_as_sflinestring(poa_gps)