refactor: move {raster} and {terra} to Suggests

.github/workflows/R-CMD-check.yaml

@@ -17,10 +17,5 @@ jobs:
      uses: rstudio/shiny-workflows/.github/workflows/website.yaml@v1
   routine:
     uses: rstudio/shiny-workflows/.github/workflows/routine.yaml@v1
-    with:
-      node-version: '12'
   R-CMD-check:
     uses: rstudio/shiny-workflows/.github/workflows/R-CMD-check.yaml@v1
-    with:
-      minimum-r-version: "3.5.0"
-      ubuntu: "ubuntu-20.04"

DESCRIPTION

@@ -58,7 +58,6 @@ Imports:
     magrittr,
     methods,
     png,
-    raster (>= 3.6.3),
     rlang,
     RColorBrewer,
     scales (>= 1.0.0),
@@ -71,12 +70,13 @@ Suggests:
     maps,
     purrr,
     R6,
+    raster (>= 3.6-3),
     RJSONIO,
     rmarkdown,
     s2,
     shiny (>= 1.0.0),
     sp,
-    terra,
+    terra (>= 1.6-3),
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
 Config/Needs/website: dplyr, ncdf4, rnaturalearth, tidyverse/tidytemplate

NEWS.md

@@ -1,6 +1,8 @@
 # leaflet (development version)
 
-* `{leaflet}` no longer install sp by default and attempts to convert object to sf internally before creating a map and warns when it fails conversion (@olivroy, #942).
+* `{leaflet}` no longer installs `{raster}` `{terra}` by default (@olivroy, #943). If you are using leaflet interactively, you will receive a prompt to install it.
+
+* `{leaflet}` no longer installs `{sp}` by default and attempts to convert object to `{sf}` internally before creating a map and warns when it fails conversion (@olivroy, #942).
 
 * The `breweries91`, `atlStorms2005`, and `gadmCHE` datasets are now `{sf}` objects (@olivroy, #944).
 
@@ -10,8 +12,6 @@
 
 * Updated vignettes to replace `{sp}`/`{raster}` usage with `{sf}`/`{terra}` and their corresponding examples. (@jack-davison, #928)
 
-* Updated vignettes to replace `{sp}`/`{raster}` usage with `{sf}`/`{terra} and their corresponding examples. (@jack-davison, #928)
-
 * `addProviderTiles()` will now error if the chosen `provider` does not match any currently loaded provider (by default, those in `providers`). This behaviour can be toggled off by setting the new `check` argument to `FALSE` (@jack-davison, #929)
 
 # leaflet 2.2.2

R/layers.R

@@ -131,10 +131,10 @@ hideGroup <- function(map, group) {
 #'
 #' @export
 groupOptions <- function(map, group, zoomLevels = NULL) {
- if (is.null(zoomLevels)) # Default to TRUE if nothing specified.
+  if (is.null(zoomLevels)) # Default to TRUE if nothing specified.
     zoomLevels <- TRUE
   invokeMethod(map, getMapData(map), "setGroupOptions", group,
-    list(zoomLevels = zoomLevels)
+               list(zoomLevels = zoomLevels)
   )
 }
 
@@ -155,13 +155,13 @@ groupOptions <- function(map, group, zoomLevels = NULL) {
 #' @describeIn map-layers Add a tile layer to the map
 #' @export
 addTiles <- function(
-  map,
-  urlTemplate = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
-  attribution = NULL,
-  layerId = NULL,
-  group = NULL,
-  options = tileOptions(),
-  data = getMapData(map)
+    map,
+    urlTemplate = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
+    attribution = NULL,
+    layerId = NULL,
+    group = NULL,
+    options = tileOptions(),
+    data = getMapData(map)
 ) {
   options$attribution <- attribution
   if (missing(urlTemplate) && is.null(options$attribution))
@@ -170,7 +170,7 @@ addTiles <- function(
       "<a href=\"https://opendatacommons.org/licenses/odbl/\">ODbL</a>"
     )
   invokeMethod(map, data, "addTiles", urlTemplate, layerId, group,
-    options)
+               options)
 }
 
 epsg4326 <- "+proj=longlat +datum=WGS84 +no_defs"
@@ -226,7 +226,7 @@ epsg3857 <- "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y
 #' @param method the method used for computing values of the new, projected raster image.
 #'   `"bilinear"` (the default) is appropriate for continuous data,
 #'   `"ngb"` - nearest neighbor - is appropriate for categorical data.
-#'   Ignored if `project = FALSE`. See [projectRaster()] for details.
+#'   Ignored if `project = FALSE`. See [terra::project()] for details.
 #' @param maxBytes the maximum number of bytes to allow for the projected image
 #'   (before base64 encoding); defaults to 4MB.
 #' @param options a list of additional options, intended to be provided by
@@ -236,12 +236,12 @@ epsg3857 <- "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y
 #' @seealso [addRasterLegend()] for an easy way to add a legend for a
 #'   SpatRaster with a color table.
 #'
-#' @examples
-#' \donttest{library(raster)
+#' @examplesIf rlang::is_installed("terra")
+#' \donttest{
 #'
-#' r <- raster(xmn = -2.8, xmx = -2.79, ymn = 54.04, ymx = 54.05, nrows = 30, ncols = 30)
-#' values(r) <- matrix(1:900, nrow(r), ncol(r), byrow = TRUE)
-#' crs(r) <- CRS("+init=epsg:4326")
+#' r <- terra::rast(xmin = -2.8, xmax = -2.79, ymin = 54.04, ymax = 54.05, nrows = 30, ncols = 30)
+#' terra::values(r) <- matrix(1:900, nrow(r), ncol(r), byrow = TRUE)
+#' terra::crs(r) <- "epsg:4326"
 #'
 #' pal <- colorNumeric("Spectral", domain = c(0, 1000))
 #' leaflet() %>% addTiles() %>%
@@ -250,18 +250,18 @@ epsg3857 <- "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y
 #' }
 #' @export
 addRasterImage <- function(
-  map,
-  x,
-  colors = if (is.factor(x)[1]) "Set1" else "Spectral",
-  opacity = 1,
-  attribution = NULL,
-  layerId = NULL,
-  group = NULL,
-  project = TRUE,
-  method = c("auto", "bilinear", "ngb"),
-  maxBytes = 4 * 1024 * 1024,
-  options = gridOptions(),
-  data = getMapData(map)
+    map,
+    x,
+    colors = if (is.factor(x)[1]) "Set1" else "Spectral",
+    opacity = 1,
+    attribution = NULL,
+    layerId = NULL,
+    group = NULL,
+    project = TRUE,
+    method = c("auto", "bilinear", "ngb"),
+    maxBytes = 4 * 1024 * 1024,
+    options = gridOptions(),
+    data = getMapData(map)
 ) {
   if (inherits(x, "SpatRaster")) {
     addRasterImage_SpatRaster(
@@ -310,7 +310,7 @@ addRasterImage <- function(
 #' @param layer the layer of the raster to target
 #' @param ... additional arguments to pass through to [addLegend()]
 #' @seealso [addRasterImage()]
-#' @examplesIf interactive()
+#' @examplesIf interactive() && rlang::is_installed("terra")
 #'
 #' library(terra)
 #'
@@ -332,6 +332,7 @@ addRasterImage <- function(
 #' @export
 addRasterLegend <- function(map, x, layer = 1, ...) {
   stopifnot(inherits(x, "SpatRaster"))
+  rlang::check_installed("terra (>= 1.6-3)")
   stopifnot(length(layer) == 1 && layer > 0 && layer <= terra::nlyr(x))
 
   # might as well do this here and only once. Subsetting would otherwise have
@@ -387,21 +388,21 @@ addRasterLegend <- function(map, x, layer = 1, ...) {
 
 
 addRasterImage_RasterLayer <- function(
-  map,
-  x,
-  colors = if (is.factor(x)[1]) "Set1" else "Spectral",
-  opacity = 1,
-  attribution = NULL,
-  layerId = NULL,
-  group = NULL,
-  project = TRUE,
-  method = c("auto", "bilinear", "ngb"),
-  maxBytes = 4 * 1024 * 1024,
-  options = gridOptions(),
-  data = getMapData(map)
+    map,
+    x,
+    colors = if (is.factor(x)[1]) "Set1" else "Spectral",
+    opacity = 1,
+    attribution = NULL,
+    layerId = NULL,
+    group = NULL,
+    project = TRUE,
+    method = c("auto", "bilinear", "ngb"),
+    maxBytes = 4 * 1024 * 1024,
+    options = gridOptions(),
+    data = getMapData(map)
 ) {
 
-
+  rlang::check_installed("raster")
   options$opacity <- opacity
   options$attribution <- attribution
 
@@ -425,8 +426,8 @@ addRasterImage_RasterLayer <- function(
 
   bounds <- raster::extent(
     raster::projectExtent(
-      raster::projectExtent(x, crs = sp::CRS(epsg3857)),
-      crs = sp::CRS(epsg4326)
+      raster::projectExtent(x, crs = raster::crs(epsg3857)),
+      crs = raster::crs(epsg4326)
     )
   )
 
@@ -464,21 +465,20 @@ addRasterImage_RasterLayer <- function(
 }
 
 addRasterImage_SpatRaster <- function(
-  map,
-  x,
-  colors = if (terra::is.factor(x)[1]) "Set1" else "Spectral",
-  opacity = 1,
-  attribution = NULL,
-  layerId = NULL,
-  group = NULL,
-  project = TRUE,
-  method = c("auto", "bilinear", "ngb"),
-  maxBytes = 4 * 1024 * 1024,
-  options = gridOptions(),
-  data = getMapData(map)
+    map,
+    x,
+    colors = if (terra::is.factor(x)[1]) "Set1" else "Spectral",
+    opacity = 1,
+    attribution = NULL,
+    layerId = NULL,
+    group = NULL,
+    project = TRUE,
+    method = c("auto", "bilinear", "ngb"),
+    maxBytes = 4 * 1024 * 1024,
+    options = gridOptions(),
+    data = getMapData(map)
 ) {
-  rlang::check_installed("terra (>= 1.6-3)", reason = "to use addRasterImage() for SpatRaster objects.") # for terra::has.RGB()
-
+  rlang::check_installed("terra (>= 1.6-3)")
   options$opacity <- opacity
   options$attribution <- attribution
 
@@ -513,12 +513,12 @@ addRasterImage_SpatRaster <- function(
         epsg3857),
       epsg4326)
   )
-## can't the above be simplified to this?
-#  bounds <- terra::ext(
-#    terra::project(
-#        terra::as.points(terra::ext(x), crs=terra::crs(x)),
-#        epsg4326)
-#  )
+  ## can't the above be simplified to this?
+  #  bounds <- terra::ext(
+  #    terra::project(
+  #        terra::as.points(terra::ext(x), crs=terra::crs(x)),
+  #        epsg4326)
+  #  )
 
   if (project) {
     # if we should project the data
@@ -572,6 +572,7 @@ addRasterImage_SpatRaster <- function(
 #' @export
 projectRasterForLeaflet <- function(x, method) {
   if (inherits(x, "SpatRaster")) {
+    rlang::check_installed("terra (>= 1.6-3)")
     if (method=="ngb") {
       method = "near"
     }
@@ -581,10 +582,11 @@ projectRasterForLeaflet <- function(x, method) {
       method=method
     )
   } else {
+    rlang::check_installed("raster")
     raster_is_factor <- raster::is.factor(x);
     projected <- raster::projectRaster(
       x,
-      raster::projectExtent(x, crs = sp::CRS(epsg3857)),
+      raster::projectExtent(x, crs = raster::crs(epsg3857)),
       method = method
     )
     # if data is factor data, make the result factors as well.

R/leaflet.R

@@ -29,10 +29,14 @@ leafletSizingPolicy <- function(
 
 #' Create a Leaflet map widget
 #'
-#' This function creates a Leaflet map widget using \pkg{htmlwidgets}. The
+#' @description
+#' * `leaflet()` creates a Leaflet map widget using \pkg{htmlwidgets}. The
 #' widget can be rendered on HTML pages generated from R Markdown, Shiny, or
 #' other applications.
+#' * `leafletOptions()`: options for map creation
+#' * `leafletCRS()`: class to create custom CRS.
 #'
+#' @details
 #' The `data` argument is only needed if you are going to reference
 #' variables in this object later in map layers. For example, `data` can be
 #' a data frame containing columns `latitude` and `longitude`, then
@@ -152,13 +156,12 @@ mapOptions <- function(map, zoomToLimits = c("always", "first", "never")) {
 #' @param  minZoom Minimum zoom level of the map. Overrides any `minZoom` set on map layers.
 #' @param  maxZoom Maximum zoom level of the map. This overrides any `maxZoom` set on map layers.
 #' @param  crs Coordinate Reference System to use. Don't change this if you're not sure what it means.
-#' @seealso [leafletCRS()] for creating a custom CRS.
 #' @param  worldCopyJump With this option enabled, the map tracks when you pan
 #'   to another "copy" of the world and seamlessly jumps to the original
 #'   one so that all overlays like markers and vector layers are still visible.
 #' @param preferCanvas Whether leaflet.js Paths should be rendered on a Canvas renderer.
 #' @param ... other options used for leaflet.js map creation.
-#' @describeIn leaflet Options for map creation
+#' @rdname leaflet
 #' @seealso See <https://web.archive.org/web/20220702182250/https://leafletjs.com/reference-1.3.4.html#map-option> for details and more options.
 #' @export
 leafletOptions <- function(
@@ -200,7 +203,7 @@ crsClasses <- list("L.CRS.EPSG3857", "L.CRS.EPSG4326", "L.CRS.EPSG3395",
 #'    Proj4Leaflet will use this in the getSize method, otherwise
 #'    defaulting to Leaflet's default CRS size
 #' @param tileSize DEPRECATED! Specify the tilesize in the [tileOptions()] argument.
-#' @describeIn leaflet class to create a custom CRS
+#' @rdname leaflet
 #' @export
 leafletCRS <- function(
   crsClass = "L.CRS.EPSG3857",

R/normalize-terra.R

@@ -51,7 +51,7 @@ polygonData.SpatVector <- function(obj) {
 
 # helpers -----------------------------------------------------------------
 check_crs_terra <- function(x) {
-  rlang::check_installed("terra")
+  rlang::check_installed("terra (>= 1.6-3)")
   crs <- terra::crs(x)
 
   # Don't have enough information to check

inst/examples/geojson.R

@@ -1,17 +1,16 @@
 library(leaflet)
-library(sp)
 #' <br/><br/>
 #' The V8 part is simply to read the JSON embeded in the Javascript.<br/>
-#' For a geojson file `jsonlite::fromfromJSON()` or `geojsonio::regeojson_read()` will do
+#' For a geojson file `jsonlite::fromJSON()` or `geojsonio::geojson_read()` will do
 #'
 jsURL <- "https://rawgit.com/Norkart/Leaflet-MiniMap/master/example/local_pubs_restaurant_norway.js"
 v8 <- V8::v8()
 v8$source(jsURL)
 geoJson <- geojsonio::as.json(v8$get("pubsGeoJSON"))
 
-# This is the kicker, convert geojson to a Spatial object.
+# This is the kicker, convert geojson to a sf object.
 # This then allows us to use formulas in our markers, polygons etc.
-spdf <- geojsonio::geojson_sp(geoJson)
+spdf <- geojsonio::geojson_sf(geoJson)
 
 icons <- awesomeIconList(
   pub = makeAwesomeIcon(icon = "glass", library = "fa", markerColor = "red"),
@@ -34,7 +33,7 @@ leaflet() %>%
 #' Another examples this time with polygons
 url <- "https://www.partners-popdev.org/wp-content/themes/original-child/vendor/Geojson/States/Maharashtra.geojson"
 
-mhSPDF <- geojsonio::geojson_read(url, what = "sp")
+mhSPDF <- sf::st_read(url)
 
 cols <- colorFactor(topo.colors(nrow(mhSPDF)), mhSPDF$NAME_2)
 

inst/examples/leaflet.R

@@ -152,4 +152,3 @@ m %>% addCircleMarkers(~lng, ~lat, radius = ~size,
   color = ~greens(value), fillOpacity = 0.5)
 
 }
-

inst/examples/normalize.R

@@ -1,3 +1,4 @@
+# obsolete
 library(leaflet)
 library(sp)
 library(maps)

inst/examples/proj4Leaflet-PolarProjections.R

@@ -103,8 +103,8 @@ resolutions <- c(8192, 4096, 2048, 1024, 512, 256)
 zoom <- 0
 maxZoom <- 5
 
-border <- geojsonio::geojson_read(system.file("examples/Seamask_medium_res_polygon.kml", package = "leaflet"), what = "sp")
-points <-  geojsonio::geojson_read(system.file("examples/Historic_sites_and_monuments_point.kml", package = "leaflet"), what = "sp")
+border <- sf::st_read(system.file("examples/Seamask_medium_res_polygon.kml", package = "leaflet"))
+points <-  sf::st_read(system.file("examples/Historic_sites_and_monuments_point.kml", package = "leaflet"))
 
 crsAntartica <-  leafletCRS(
   crsClass = "L.Proj.CRS",