View source: R/layers_line-layer.R
add_line_layer | R Documentation |
The LineLayer
renders flat lines joining pairs of source and target points,
specified as latitude/longitude coordinates.
add_line_layer(
deckgl,
data = NULL,
properties = list(),
...,
id = "line-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/line-layer
## @knitr line-layer
data("bart_segments")
properties <- list(
pickable = TRUE,
getWidth = 12,
getSourcePosition = ~from_lng + from_lat,
getTargetPosition = ~to_lng + to_lat,
getColor = JS("d => [Math.sqrt(d.inbound + d.outbound), 140, 0]"),
tooltip = "{{from_name}}} to {{to_name}}"
)
deck <- deckgl(zoom = 10, pitch = 20) %>%
add_line_layer(data = bart_segments, properties = properties) %>%
add_basemap() %>%
add_control("Line Layer")
if (interactive()) deck
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