Add a text layer to the deckgl widget

Source: R/layers_text-layer.R

The TextLayer renders text labels on the map using texture mapping.

add_text_layer(
  deckgl,
  data = NULL,
  properties = list(),
  ...,
  id = "text-layer"
)

Arguments

deckgl

A deckgl widget object.

data

The url to fetch data from or a data object.

properties

A named list of properties with names corresponding to the properties defined in the deckgl-api-reference for the given layer class. The properties parameter can also be an empty list. In this case all props must be passed as named arguments.

...

Named arguments that will be added to the properties object. Identical parameters are overwritten.

id

The unique id of the layer.

Examples

## @knitr text-layer
data("bart_stations")

deck <- deckgl(zoom = 10, pitch = 35) %>%
  add_text_layer(
    data = bart_stations,
    pickable = TRUE,
    getPosition = ~lng + lat,
    getText = ~name,
    getSize = 15,
    getAngle = 0,
    getTextAnchor = "middle",
    getAlignmentBaseline = "center",
    tooltip = "{{name}}<br/>{{address}}"
  ) %>%
  add_basemap(use_carto_style("voyager"))

if (interactive()) deck