addLocalFile: Add vector data to leaflet map directly from the file system

In r-spatial/leafem: 'leaflet' Extensions for 'mapview'

Add vector data to leaflet map directly from the file system

Description

Add vector data to leaflet map directly from the file system

Usage

addLocalFile(
  map,
  file,
  layerId = NULL,
  group = NULL,
  popup = NULL,
  label = NULL,
  radius = 10,
  stroke = TRUE,
  color = "#03F",
  weight = 5,
  opacity = 0.5,
  fill = TRUE,
  fillColor = color,
  fillOpacity = 0.2,
  dashArray = NULL,
  options = NULL
)

Arguments

map	a mapview or leaflet object.
file	file path to the file to be added to map. NOTE: will be reprojected on-the-fly if not in "longlat".
layerId	the layer id.
group	the group name for the file to be added to map.
popup	either a logical of whether to show the feature properties (fields) in popups or the name of the field to show in popups.
label	name of the field to be shown as a tooltip.
radius	the size of the circle markers.
stroke	whether to draw stroke along the path (e.g. the borders of polygons or circles).
color	stroke color.
weight	stroke width in pixels.
opacity	stroke opacity.
fill	whether to fill the path with color (e.g. filling on polygons or circles).
fillColor	fill color.
fillOpacity	fill opacity.
dashArray	a string that defines the stroke dash pattern.
options	a list of extra options for tile layers, popups, paths (circles, rectangles, polygons, ...), or other map elements.

Examples

if (interactive()) {
  library(leafem)
  library(leaflet)
  library(sf)

  destfile = tempfile(fileext = ".gpkg")

  st_write(st_as_sf(gadmCHE), dsn = destfile)

  leaflet() %>%
    addTiles() %>%
    addLocalFile(destfile, popup = TRUE)
}

r-spatial/leafem documentation built on Nov. 1, 2024, 2:48 p.m.