turf_union | R Documentation |
This function unions all polygons in a layer into a single geometry. The result is added as a source to the map, which can then be styled using add_fill_layer(), etc.
turf_union(map, layer_id = NULL, data = 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 to union (mutually exclusive with data). |
data |
An sf object to union (mutually exclusive with layer_id). |
source_id |
The ID for the new source containing the union result. 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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