add_screen_grid_layer {deckgl}R Documentation

Add a screen grid layer to the deckgl widget

Description

The ScreenGridLayer takes in an array of latitude and longitude coordinated points, aggregates them into histogram bins and renders as a grid.

Usage

add_screen_grid_layer(deckgl, id = "screen-grid-layer", data = NULL,
  properties = list(), ...)

Arguments

deckgl

A deckgl widget object.

id

The unique id of the layer.

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.

...

More properties that will be added to the properties object. This can be useful if you want to use a properties object for more than one layer.

See Also

https://deck.gl/#/documentation/deckgl-api-reference/layers/screen-grid-layer

Examples

## @knitr screen-grid-layer
data("sf_bike_parking")

properties <- list(
  opacity = 0.8,
  cellSizePixels = 50,
  colorRange = RColorBrewer::brewer.pal(6, "Blues"),
  getPosition = ~lng + lat,
  getWeight = ~spaces
)

deck <- deckgl() %>%
  add_screen_grid_layer(data = sf_bike_parking, properties = properties) %>%
  add_basemap() %>%
  add_control("Screen Grid Layer")

if (interactive()) deck

[Package deckgl version 0.2.7 Index]