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Add together geo_list or json objects

Source: R/construction.R
geojson-add.Rd

Add together geo_list or json objects

Usage

# S3 method for class 'geo_list'
x1 + x2

# S3 method for class 'json'
x1 + x2

Arguments

x1

An object of class geo_list or json

x2

A component to add to x1, of class geo_list or json

Details

If the first object is an object of class geo_list, you can add another object of class geo_list or of class json, and will result in a geo_list object.

If the first object is an object of class json, you can add another object of class json or of class geo_list, and will result in a json object.

See also

geojson_list(), geojson_json()

Examples

if (FALSE) { # \dontrun{
# geo_list + geo_list
## Note: geo_list is the output type from geojson_list, it's just a list with
## a class attached so we know it's geojson :)
vec <- c(-99.74, 32.45)
a <- geojson_list(vec)
vecs <- list(
  c(100.0, 0.0), c(101.0, 0.0), c(101.0, 1.0),
  c(100.0, 1.0), c(100.0, 0.0)
)
b <- geojson_list(vecs, geometry = "polygon")
a + b

# json + json
c <- geojson_json(c(-99.74, 32.45))
vecs <- list(
  c(100.0, 0.0), c(101.0, 0.0), c(101.0, 1.0),
  c(100.0, 1.0), c(100.0, 0.0)
)
d <- geojson_json(vecs, geometry = "polygon")
c + d
(c + d) %>% pretty()
} # }