Description Usage Arguments Details Examples
A function that will download maps for a vector of basins or country codes and return a data frame that has the kml output processed such that it can be plotted with ggplot2 and other mapping functions:
1 |
locator |
The a vector of ISO3 country code's that you want data about. (http://unstats.un.org/unsd/methods/m49/m49alpha.htm) or the basin ID's [1-468] (http://data.worldbank.org/sites/default/files/climate_data_api_basins.pdf) |
kml files can be quite large (100k-600k per country) making
downloading them every time you want to make a map time
consuming. To reduce this time it's easiest to download
kml files and store them. To set the directory use a line
like this: options(kmlpath="/Users/emh/kmltemp")
The
option must be called "kmlpath". These files will be
persistent until you delete them.
1 2 3 4 5 | ## Not run:
to_map <- create_map_df(c("USA","MEX","CAN"))
ggplot(to_map, aes(x=long, y=lat,group=group))+ geom_polygon()
## End(Not run)
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