## ----include = FALSE----------------------------------------------------------
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  message = FALSE,
  fig.width = 7,
  fig.height = 5,
  dpi = 120,
  fig.bg = "white",
  dev.args = list(bg = "white")
)
jpmap_build_full_vignettes <- identical(tolower(Sys.getenv("JPMAP_FULL_VIGNETTES")), "true") ||
  identical(tolower(Sys.getenv("IN_PKGDOWN")), "true")
jpmap_has_boundary_data <- jpmap_build_full_vignettes &&
  nrow(jpmap::available_jpmap_data()) > 0

## -----------------------------------------------------------------------------
library(tidyverse)
library(jpmap)

gdp <- jp_prefecture_gdp |>
  select(pref_code, prefecture, gdp_per_capita_jpy)

## ----prefectural-gdp, eval = jpmap_has_boundary_data--------------------------
# plot_jpmap(
#   "prefecture",
#   data = gdp,
#   values = "gdp_per_capita_jpy",
#   color = "grey35",
#   linewidth = 0.25
# ) +
#   scale_fill_gradient(
#     low = "#D9E8FF",
#     high = "#001040",
#     name = "GDP per capita\n(JPY)"
#   ) +
#   labs(
#     title = "Prefecture GDP per capita",
#     caption = "GDP data: OECD 2021 values tabulated on Wikipedia."
#   ) +
#   theme(
#     legend.background = element_rect(fill = "white", color = NA),
#     plot.title = element_text(face = "bold", color = "#001040"),
#     plot.caption = element_text(color = "#2C2A29", hjust = 0, size = 8)
#   )