data_to_sf {forcis} | R Documentation |
Convert a data frame into an sf object
Description
This function can be used to convert a data.frame
into an sf
object.
Note that coordinates (columns site_lon_start_decimal
and
site_lat_start_decimal
) are projected in the Robinson coordinate system.
Usage
data_to_sf(data)
Arguments
data |
a |
Value
An sf POINTS
object.
Examples
# Attach package ----
library("ggplot2")
# Import example dataset ----
file_name <- system.file(file.path("extdata", "FORCIS_net_sample.csv"),
package = "forcis")
net_data <- read.csv(file_name)
# Dimensions of the data.frame ----
dim(net_data)
# Filter by years ----
net_data_sub <- filter_by_year(net_data, years = 1992)
# Convert to an sf object ----
net_data_sub_sf <- data_to_sf(net_data_sub)
# World basemap ----
ggplot() +
geom_basemap() +
geom_sf(data = net_data_sub_sf)
[Package forcis version 1.0.1 Index]