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#' Download spatial data of Brazil's Immediate Geographic Areas
#'
#' @description
#' The Immediate Geographic Areas are part of the geographic division of Brazil created in 2017 by IBGE. These regions
#' were created to replace the "Micro Regions" division. Data at scale 1:250,000, using Geodetic reference system "SIRGAS2000" and CRS(4674)
#'
#' @param year Numeric. Year of the data in YYYY format. Defaults to `2019`.
#' @param code_immediate 6-digit code of an immediate region. If the two-digit
#' code or a two-letter uppercase abbreviation of a state is passed, (e.g.
#' 33 or "RJ") the function will load all immediate regions of that state.
#' If `code_immediate="all"` (Default), the function downloads all
#' immediate regions of the country.
#' @template simplified
#' @template showProgress
#' @template cache
#'
#' @return An `"sf" "data.frame"` object
#'
#' @export
#' @family area functions
#'
#' @examplesIf identical(tolower(Sys.getenv("NOT_CRAN")), "true")
#' # Read an specific immediate region
#' im <- read_immediate_region(code_immediate=110006)
#'
#' # Read immediate regions of a state
#' im <- read_immediate_region(code_immediate=12)
#' im <- read_immediate_region(code_immediate="AM")
#'
#'# Read all immediate regions of the country
#' im <- read_immediate_region()
#' im <- read_immediate_region(code_immediate="all")
#'
read_immediate_region <- function(code_immediate = "all",
year = 2019,
simplified = TRUE,
showProgress = TRUE,
cache = TRUE){
# Get metadata with data url addresses
temp_meta <- select_metadata(geography="immediate_regions", year=year, simplified=simplified)
# check if download failed
if (is.null(temp_meta)) { return(invisible(NULL)) }
# list paths of files to download
file_url <- as.character(temp_meta$download_path)
# download files
temp_sf <- download_gpkg(file_url = file_url,
showProgress = showProgress,
cache = cache)
# check if download failed
if (is.null(temp_sf)) { return(invisible(NULL)) }
## FILTERS
y <- code_immediate
# check code_immediate input
if(code_immediate=="all"){
# abbrev_state
} else if(code_immediate %in% temp_sf$abbrev_state){
temp_sf <- subset(temp_sf, abbrev_state == y)
# code_state
} else if(code_immediate %in% temp_sf$code_state){
temp_sf <- subset(temp_sf, code_state == y)
# code_immediate
} else if(code_immediate %in% temp_sf$code_immediate){
temp_sf <- subset(temp_sf, code_immediate == y)
} else {stop(paste0("Error: Invalid Value to argument 'code_immediate'",collapse = " "))}
return(temp_sf)
}
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