Add tooltip property to layer

Usage

add_tooltip(.map, layer_id, prop = NULL, template = NULL)

Arguments

.map: A maplibre() HTML widget
layer_id: The layer to which the popup is added.
prop: The property of the source to be displayed. If None, all properties are displayed.
template: A mustache template. If supplied, prop is ignored.

Value

The updated maplibre() HTML widget

Examples

library(maplibre)

earthquakes_source <- list(
  type = "geojson",
  data = "https://docs.mapbox.com/mapbox-gl-js/assets/earthquakes.geojson"
)

earthquakes_layer <- Layer(
  id = "earthquakes",
  type = "circle",
  source = earthquakes_source,
  paint = list("circle-color" = "yellow", "circle-radius" = 2)
)

# Adds a tooltip that appears when hovering over it

maplibre() |>
  add_layer(earthquakes_layer) |>
  add_tooltip("earthquakes", prop = "mag")


# Adds a popup that appears when clicking on the layer

maplibre() |>
  add_layer(earthquakes_layer) |>
  add_popup("earthquakes", prop = "mag")