map_cmd_extra: Return map elements for basemap
In MikkoVihtakari/WaterMass: Helpers for the Analysis of Oceanographic Data

Description Usage Arguments Details Value Author(s) See Also Examples

Additional basemap elements to ggOceanMaps::map_cmd

1	map_cmd_extra(command, alternative = FALSE)

`command`	basemap layer to be added
`alternative`	logical to return alternative formmatting in certain cases. Used to reduce `if`-`else` statements in `basemap`.

This is an internal function, which is automatically run by the basemap function. Common users do not need to worry about these details. Basemap elements can added together using this function, parse and eval.

A character string containing a ggplot2 plotting command. Use eval(parse(text=...)) to plot the string.

Mikko Vihtakari

basemap

## An example for utm map without glaciers or bathymetry
## Not run: eval(parse(text=paste(map_cmd("base"), map_cmd("land_utm"),
map_cmd("grid_utm"), map_cmd("defs_utm"), sep = "+")))
## End(Not run)