add_heatmap_layer {deckgl}R Documentation

Add a heatmap layer to the deckgl widget

Description

The HeatmapLayer can be used to visualize spatial distribution of data. It internally implements Gaussian Kernel Density Estimation to render heatmaps.

Usage

add_heatmap_layer(deckgl, id = "heatmap-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/heatmap-layer

Examples

## @knitr heatmap-layer
data("sf_bike_parking")

map <- deckgl() %>%
  add_heatmap_layer(
    data = sf_bike_parking,
    getPosition = ~lng + lat,
    getWeight = ~spaces
  ) %>%
  add_basemap()

if (interactive()) map

[Package deckgl version 0.2.7 Index]