turf_centroid | R Documentation |
This function calculates the centroid of geometries in a layer or sf object. The result is added as a source to the map, which can then be styled using add_circle_layer(), etc.
turf_centroid(
map,
layer_id = NULL,
data = NULL,
coordinates = NULL,
source_id,
input_id = NULL
)
map |
A mapboxgl, maplibre, mapboxgl_proxy, or maplibre_proxy object. |
layer_id |
The ID of a layer or source containing geometries (mutually exclusive with data and coordinates). |
data |
An sf object containing geometries (mutually exclusive with layer_id and coordinates). |
coordinates |
A list of coordinate pairs list(c(lng,lat), c(lng,lat), ...) for multiple points (mutually exclusive with layer_id and data). |
source_id |
The ID for the new source containing the centroid. Required. |
input_id |
Optional. Character string specifying the Shiny input ID suffix for storing results. If NULL (default), no input is registered. For proxy operations, the result will be available as |
The map or proxy object for method chaining.
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