filter_by_polygon {forcis} | R Documentation |
Filter FORCIS data by a spatial polygon
Description
Filters FORCIS data by a spatial polygon.
Usage
filter_by_polygon(data, polygon)
Arguments
data |
a |
polygon |
an |
Value
A tibble
containing a subset of data
for the desired spatial
polygon.
Examples
# 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)
# Import Indian Ocean spatial polygons ----
file_name <- system.file(file.path("extdata",
"IHO_Indian_ocean_polygon.gpkg"),
package = "forcis")
indian_ocean <- sf::st_read(file_name)
# Filter by polygon ----
net_data_sub <- filter_by_polygon(net_data, polygon = indian_ocean)
# Dimensions of the data.frame ----
dim(net_data_sub)
[Package forcis version 1.0.1 Index]