Calculate, decode and plot routes on map using leaflet and R

Question

I have raw data which consists of lattitude and longitude of places The sample data is as follows:

EDIT (dput):

structure(list(Lat = c(-33.9409444, -         


        

Answer 1

Another more efficient way to calculate routes between points is with the osrm package: Interface Between R and the OpenStreetMap-Based Routing Service OSRM. Look at this example:

library(osrm)
library(leaflet)

df = data.frame(com = c("A", "B", "C"),
                lon = c(31.043515, 31.029080, 31.002896),
                lat = c(-29.778562, -29.795506, -29.836168),
                time = as.POSIXct(c("2020-03-18 07:56:59","2020-03-18 12:28:58","2020-03-18 18:24:52")))


trips <- osrmTrip(df, returnclass="sf")
trip <- trips[[1]]$trip

leaflet(trip) %>% 
  addProviderTiles("Stamen.TonerLite", group = "OSM") %>% 
  addPolylines() %>%
  addCircleMarkers(lat = df$lat,
                   lng = df$lon,
                   popup = paste(df$com,"-",format(df$time,"%H:%M:%S")),
                   color = "red",
                   stroke = FALSE,
                   radius = 8,
                   fillOpacity = 0.8)