Created
April 23, 2017 21:25
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Map of ireland code taken from https://gist.github.com/halhen/659780120accd82e043986c8b57deae0
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read_csv('GEOSTAT_grid_POP_1K_2011_V2_0_1.csv') %>% | |
rbind(read_csv('JRC-GHSL_AIT-grid-POP_1K_2011.csv') %>% | |
mutate(TOT_P_CON_DT='')) %>% | |
mutate(lat = as.numeric(gsub('.*N([0-9]+)[EW].*', '\\1', GRD_ID))/100, | |
lng = as.numeric(gsub('.*[EW]([0-9]+)', '\\1', GRD_ID)) * ifelse(gsub('.*([EW]).*', '\\1', GRD_ID) == 'W', -1, 1) / 100) %>% | |
filter(lng > 28, lng < 34) %>% | |
filter(lat > 28, lat < 34) %>% | |
group_by(lng=round(lng, 1), lat=round(lat, 1)) %>% | |
summarize(value = sum(TOT_P, na.rm=TRUE)) %>% | |
ungroup() %>% | |
group_by(lat) %>% | |
arrange(lng) %>% | |
mutate(next.value = lead(value)) %>% | |
ggplot(aes(lng, lat + 5*(value/max(value)), xend=lng+0.1, yend=lat + 5*(next.value/max(value)))) + | |
geom_segment(size=0.4, alpha=0.8, color='#5A3E37') + | |
ggthemes::theme_map() + | |
coord_equal(0.9) |
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