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r-tmap / tmap

R package for thematic maps
https://r-tmap.github.io/tmap
GNU General Public License v3.0
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incorrect projection view mode #891

Closed mtennekes closed 5 months ago

mtennekes commented 5 months ago 
# downloaded at https://ec.europa.eu/eurostat/web/gisco/geodata/administrative-units/countries

# read and preprocess data
eu <- st_read("ref-countries-2020-20M/CNTR_RG_20M_2020_3035.geojson") |> 
  mutate(EU_STAT = (EU_STAT == "T"),
         EFTA_STAT = (EFTA_STAT == "T"),
         CC_STAT = (CC_STAT == "T")) |> 
  filter(EU_STAT)

# correct
tm_shape(eu) +
  tm_polygons()

# incorrect
tmap_mode("view")
tm_shape(eu) +
  tm_polygons()

image

mtennekes commented 5 months ago

The same issue with tmap 3.3-4. Apparently, this seems to be an issue with a dependency, or the data file. Could you please check, @Nowosad , @olivroy , or @Robinlovelace ?

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Robinlovelace commented 5 months ago

How were you expecting it to look?

mtennekes commented 5 months ago

How were you expecting it to look?

Ah, we took a look at it again, and it actually does look correct. First I thought there was a shift, but that's because Norway it not part of the EU, neither is the UK ;-)

So false alarm.

Robinlovelace commented 5 months ago

Another disbenefit of Brexit: confusing geo developers :gb: :laughing: