addPMPolygons: Add vector tiles stored as PMTiles in an AWS S3 bucket to a...

In leafem: 'leaflet' Extensions for 'mapview'

Add vector tiles stored as PMTiles in an AWS S3 bucket to a leaflet map.

Description

Add vector tiles stored as PMTiles in an AWS S3 bucket to a leaflet map.

Add point data stored as PMTiles

Add polylines stored as PMTiles

Usage

addPMPolygons(
  map,
  url,
  style,
  layerId = NULL,
  group = NULL,
  pane = "overlayPane",
  attribution = NULL
)

addPMPoints(
  map,
  url,
  style,
  layerId = NULL,
  group = NULL,
  pane = "overlayPane",
  attribution = NULL
)

addPMPolylines(
  map,
  url,
  style,
  layerId = NULL,
  group = NULL,
  pane = "overlayPane",
  attribution = NULL
)

Arguments

map	the map to add to.
url	the url to the tiles to be served.
style	styling for the layer. See paintRules for details.
layerId	the layer id.
group	group name.
pane	the map pane to which the layer should be added. See [leaflet](addMapPane) for details.
attribution	optional attribution character string.

Details

These functions can be used to add cloud optimized vector tiles data in the '.pmtiles' format stored in an Amazon Web Services (AWS) S3 bucket to a leaflet map. For instructions on how to create these files, see https://github.com/protomaps/PMTiles.

NOTE: You may not see the tiles rendered in the RStudio viewer pane. Make sure to open the map in a browser.

Functions

• addPMPoints(): add points stored as PMTiles

• addPMPolylines(): add ploylines stored as PMTiles

Examples

## PMPolygons
library(leaflet)
library(leafem)

url_nzb = "https://vector-tiles-data.s3.eu-central-1.amazonaws.com/nz-building-outlines.pmtiles"

leaflet() %>%
  addTiles() %>%
  addPMPolygons(
    url = url_nzb
    , layerId = "nzbuildings"
    , group = "nzbuildings"
    , style = paintRules(
      layer = "nz-building-outlines"
      , fillColor = "pink"
      , stroke = "green"
    )
  ) %>%
  setView(173.50, -40.80, 6)

## PMPoints
library(leaflet)
library(leafem)

url_depoints = "https://vector-tiles-data.s3.eu-central-1.amazonaws.com/depoints.pmtiles"

leaflet() %>%
  addTiles() %>%
  addPMPoints(
    url = url_depoints
    , layerId = "depoints"
    , group = "depoints"
    , style = paintRules(
      layer = "depoints"
      , fillColor = "black"
      , stroke = "white"
      , radius = 4
    )
  ) %>%
  setView(10, 51, 6)

## PMPolylines
library(leaflet)
library(leafem)

url_rivers = "https://vector-tiles-data.s3.eu-central-1.amazonaws.com/rivers_africa.pmtiles"

## NOTE: these will only render until a zoom level of 7!!
leaflet() %>%
  addTiles() %>%
  addPMPolylines(
    url = url_rivers
    , layerId = "rivers"
    , group = "rivers"
    , style = paintRules(
      layer = "rivers_africa"
      , color = "blue"
    )
  ) %>%
  setView(24, 2.5, 4)

leafem documentation built on Sept. 18, 2023, 1:06 a.m.