|
| 1 | +# needed libraries |
| 2 | +library(NEFSCspatial) |
| 3 | + |
| 4 | +# delete leaflet maps |
| 5 | +file.remove(list.files(here::here('pkgdown/leaflet_maps'), full.names = TRUE)) |
| 6 | + |
| 7 | +# delete leaflet *.Rmds |
| 8 | +leaflet_rmd <- here::here('vignettes/articles') |> |
| 9 | + list.files(full.names = TRUE) |
| 10 | +keep_rmd <- grep(pattern = "ContributeSpatialData|teamMembers", x = leaflet_rmd) |
| 11 | +leaflet_rmd <- leaflet_rmd[-keep_rmd] |
| 12 | +file.remove(leaflet_rmd) |
| 13 | + |
| 14 | +# list of exported data objects |
| 15 | +exp_data <- ls("package:NEFSCspatial") |
| 16 | + |
| 17 | +# ignore certain data sets, leaflet fails to render for some reason (maybe too big) |
| 18 | +exp_data <- exp_data[-which(exp_data %in% c("amapps_grid"))] |
| 19 | + |
| 20 | +# loop through data and make leaflet maps |
| 21 | +for (i in exp_data) { |
| 22 | + |
| 23 | + # load data |
| 24 | + data(list = i) |
| 25 | + |
| 26 | + # get data |
| 27 | + sf_data <- get(i) |
| 28 | + |
| 29 | + # make valid, if needed |
| 30 | + if (any(sf::st_is_valid(sf_data) != TRUE)) { |
| 31 | + sf_data <- sf_data |> |
| 32 | + sf::st_make_valid() |
| 33 | + } |
| 34 | + |
| 35 | + # change crs, if needed |
| 36 | + if (sf::st_crs(sf_data) != sf::st_crs(4326)) { |
| 37 | + sf_data <- sf_data |> |
| 38 | + sf::st_transform(4326) |
| 39 | + } |
| 40 | + |
| 41 | + # bounding box |
| 42 | + bbox <- sf_data |> |
| 43 | + sf::st_bbox() |> |
| 44 | + as.vector() |
| 45 | + |
| 46 | + # leaflet map |
| 47 | + leaflet_map <- leaflet::leaflet(width = '100%') |> |
| 48 | + leaflet::addTiles(urlTemplate = "http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png") |> |
| 49 | + leaflet::fitBounds(lng1 = bbox[1], lat1 = bbox[2], lng2 = bbox[3], lat2 = bbox[4]) |> |
| 50 | + leaflet::addPolygons(data = sf_data, popup = i) |
| 51 | + |
| 52 | + # save the map |
| 53 | + saveRDS(leaflet_map, here::here(paste0("pkgdown/leaflet_maps/", i, "_leaflet.rds"))) |
| 54 | + |
| 55 | + # write *.Rmd file |
| 56 | + sink(file = here::here(paste0("vignettes/articles/", i, "_leaflet.Rmd"))) |
| 57 | + |
| 58 | + # header |
| 59 | + cat("--- \n") |
| 60 | + cat(paste0("title: '", i, "' \n")) |
| 61 | + cat("output: html_document \n") |
| 62 | + cat("--- \n\n") |
| 63 | + |
| 64 | + # load map |
| 65 | + cat("```{r, echo = FALSE, warning = FALSE} \n") |
| 66 | + cat("library(leaflet) \n") |
| 67 | + cat(paste0("m <- readRDS(here::here('pkgdown/leaflet_maps/", i, "_leaflet.rds')) \n")) |
| 68 | + cat("``` \n\n") |
| 69 | + |
| 70 | + # map |
| 71 | + cat("```{r, echo = FALSE} \n") |
| 72 | + cat("m \n") |
| 73 | + cat("```") |
| 74 | + |
| 75 | + sink() |
| 76 | + |
| 77 | +} |
| 78 | + |
| 79 | +# modify _pkgdown.yml |
| 80 | +yaml_file <- yaml::read_yaml(here::here('pkgdown/_pkgdown.yml')) |
| 81 | + |
| 82 | +# add menu items |
| 83 | +mod_menu = lapply(X = exp_data, FUN = function(X) { list(text = X, href = paste0('articles/', X, '_leaflet.html')) }) |
| 84 | +yaml_file$navbar$components$map$menu <- mod_menu |
| 85 | + |
| 86 | +# output |
| 87 | +yaml::write_yaml(x = yaml_file, file = here::here('pkgdown/_pkgdown.yml')) |
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