gps_as_sfpoints {gtfs2gps} | R Documentation |
Convert GPS-like data.table to a Simple Feature points object
Description
Convert a GPS data stored in a data.table into Simple Feature points.
Usage
gps_as_sfpoints(gps, crs = 4326)
Arguments
gps |
A data.table with timestamp data. |
crs |
A Coordinate Reference System. The default value is 4326 (latlong WGS84). |
Value
A simple feature (sf) object with point data.
Examples
library(gtfs2gps)
library(magrittr)
fortaleza <- read_gtfs(system.file("extdata/fortaleza.zip", package = "gtfs2gps"))
srtmfile <- system.file("extdata/fortaleza-srtm.tif", package="gtfs2gps")
subset <- fortaleza %>%
gtfstools::filter_by_weekday(c("monday", "wednesday")) %>%
filter_single_trip() %>%
gtfstools::filter_by_shape_id("shape806-I")
for_gps <- gtfs2gps(subset)
for_gps_sf_points <- gps_as_sfpoints(for_gps)
[Package gtfs2gps version 2.1-1 Index]