geojson (version 0.3.5)

featurecollection: featurecollection class

Description

featurecollection class

Usage

featurecollection(x)

Arguments

x

input

Examples

file <- system.file("examples", 'featurecollection1.geojson',
  package = "geojson")
file <- system.file("examples", 'featurecollection2.geojson',
  package = "geojson")
str <- paste0(readLines(file), collapse = " ")
(y <- featurecollection(str))
geo_type(y)
geo_pretty(y)
geo_write(y, f <- tempfile(fileext = ".geojson"))
jsonlite::fromJSON(f, FALSE)
unlink(f)

# add to a data.frame
library('tibble')
tibble(a = 1:5, b = list(y))

# features to featurecollection
x <- '{ "type": "Point", "coordinates": [100.0, 0.0] }'
point(x) %>% feature() %>% featurecollection()

## all points
x <- '{ "type": "Point", "coordinates": [100.0, 0.0] }'
y <- '{ "type": "Point", "coordinates": [100.0, 50.0] }'
featls <- lapply(list(x, y), function(z) feature(point(z)))
featurecollection(featls)