View source: R/layers_column-layer.R
add_column_layer | R Documentation |
The ColumnLayer
can be used to render a heatmap of vertical cylinders.
It renders a tesselated regular polygon centered at each given position (a "disk"), and extrude it in 3d.
add_column_layer(
deckgl,
data = NULL,
properties = list(),
...,
id = "column-layer"
)
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 |
... |
Named arguments that will be added to the |
id |
The unique id of the layer. |
https://deck.gl/#/documentation/deckgl-api-reference/layers/column-layer
hexagon_centroids <- system.file("sample-data/centroids.csv", package = "deckgl") %>%
read.csv()
deck <- deckgl(zoom = 11, pitch = 35) %>%
add_column_layer(
data = hexagon_centroids,
diskResolution = 12,
getPosition = ~lng + lat,
getElevation = ~value,
getFillColor = "@=[48, 128, value * 255, 255]",
elevationScale = 5000,
radius = 250,
extruded = TRUE,
tooltip = "Value: {{value}}"
) %>%
add_control("Column Layer", "bottom-left") %>%
add_basemap()
if (interactive()) deck
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