prep_mapdata.Rd

% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/capri_maps.r
\name{prep_mapdata}
\alias{prep_mapdata}
\title{Prepares the data to be mapped directly}
\usage{
prep_mapdata()
}
\value{
A tibble with the merged data
}
\description{
Combines .kml data and NUTS2 regional mappings
}
\examples{

x <- prep_mapdata() \%>\% left_join(co2em, by = c("CAPRI_NUTS_ID" = "region"))
# remove Portuguese islands and Canarias to remove empty spaces on EU maps...
x <- x \%>\% filter(!grepl("PT20", CAPRI_NUTS_ID)) \%>\% filter(!grepl("PT30", CAPRI_NUTS_ID)) \%>\% filter(!grepl("ES70", CAPRI_NUTS_ID))
# prepare the map with ggplot
p <- x \%>\% filter(!grepl("TR.*", CAPRI_NUTS_ID)) \%>\%
  ggplot(aes(longitude, latitude, group = name, fill = pc)) +
  geom_polygon(color = "white") +
  coord_map("albers", lat0=30, lat1=35) +
  scale_fill_gradient(low = "red", high = "white") +
  labs(x = "", y = "") + theme(
    axis.text.x = element_blank(),
    axis.text.y = element_blank(),
    axis.ticks = element_blank())
p$labels$fill <- " "
# save map to .png
p
ggsave("mapout/emission_changes.png", width = 16, height = 9)

}