add_layers_leaflet_no_zoom: Add layer to a Leaflet web map - no zoom

In livelihoods-and-landscapes/maplandscape: Shiny application to explore and visualise GeoPackage data

Add layer to a Leaflet web map - no zoom

Description

add_layers_leaflet adds a spatial layer (of class sf) to a leaflet web map. sf data frames with POINT, LINESTRING, MULTILINESTRING, POLYGON, MULITPOLYGON geometries can be added to the web map.

Usage

add_layers_leaflet_no_zoom(
  map_object,
  map_active_df,
  map_var,
  map_colour,
  waiter
)

Arguments

map_object	single-element character vector of the ID of the leaflet map object.
map_active_df	the spatial data frame (of class sf) of features to draw on the leaflet map.
map_var	the column in map_active_df of data values to map fill / marker colours to when drawing the features.
map_colour	fill colour palette - RColorBrewer palettes such as "YlOrRd".
waiter	waiter object to display while the map is rendering.

Details

Calling this function does not change the zoom or extent of the Leaflet map to fit the contents drawn on the map. Used for keeping the zoom extent the same but updating colour, opacity, and other styling options.

Value

leaflet proxy object.

livelihoods-and-landscapes/maplandscape documentation built on March 20, 2023, 5:43 a.m.