Internal function to set up an existing device for plotting maps
Sets the region, aspect and ocean colour for a new map plot
rwmNewMapPlot(mapToPlot = getMap(), oceanCol = NA, mapRegion = "world", xlim = NA, ylim = NA, aspect = 1)
mapToPlot |
the worldmap to be plotted |
oceanCol |
a colour for the ocean |
mapRegion |
a string specifying the map region, see setMapExtents() |
xlim |
map extents c(west,east), can be overidden by mapRegion |
ylim |
map extents c(south,north), can be overidden by mapRegion |
aspect |
aspect for the map, defaults to 1, if set to 'variable' uses same default as plot.Spatial in sp |
Called by mapCountryData() and mapGriddedData()
a dataframe containing xlim and ylim
andy south
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