Description Usage Arguments Value Examples
Iterate over property objects in any GeoJSON object
1 | lawn_propeach(x, fun = NULL, lint = FALSE)
|
x |
any data-GeoJSON object |
fun |
a Javascript function. if not given, returns self |
lint |
(logical) Lint or not. Uses geojsonhint. Takes up increasing
time as the object to get linted increases in size, so probably use by
default for small objects, but not for large if you know they are good
geojson objects. Default: |
matrix of coordinates, where each row in the matrix is a coordinate pair
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | x <- "{ type: 'Feature', geometry: null, properties: { foo: 1, bar: 3 } }"
# don't apply any function, identity essentially
lawn_propeach(x)
# appply a function callback
lawn_propeach(x, "z.foo === 1")
lawn_propeach(lawn_data$points_count)
z <- '{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {
"population": 200,
"name": "things"
},
"geometry": {
"type": "Point",
"coordinates": [-112.0372, 46.608058]
}
}, {
"type": "Feature",
"properties": {
"population": 600,
"name": "stuff"
},
"geometry": {
"type": "Point",
"coordinates": [-112.045955, 46.596264]
}
}
]
}'
lawn_propeach(z)
lawn_propeach(z, "z.population === 200")
lawn_propeach(z, "z.name === 'stuff'")
|
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