addMapLegend            Add a legend to a map
addMapLegendBoxes       Add a legend of coloured boxes to a map
aggregateHalfDegreeGridToCountries
                        Aggregates global half degree gridded data to
                        countries
barplotCountryData      Barplot country-level data.
coastsCoarse            A map of world coasts at coarse resolution.
countriesCoarse         a coarse resolution world map, a vector map of
                        244 country boundaries,suitable for global maps
countriesCoarseLessIslands
                        a coarse resolution world map, a vector map of
                        177 country boundaries, suitable for global
                        maps
countriesLow            a low resolution world map, a vector map of 244
                        country boundaries, suitable for zooming in on
                        regions or large global maps
country2Region          Produce regional data from country level data
countryExData           Example dataset for country level data (2008
                        Environmental Performance Index)
countryRegions          Regional Classification Table
countrySynonyms         Synonyms of country names for each ISO 3 letter
                        country code to enable conversion.
getMap                  A simple way to access maps stored in the
                        package.
gridCountriesDegreesHalf
                        A gloabl half degree grid specifying the
                        country at each cell
gridCountriesNumeric    A gloabl half degree grid specifying the
                        country at each cell
gridExData              Example half degree grid data : population
                        estimates for 2000 from IIASA
identifyCountries       a function that will print country name and
                        attribute values when a user clicks on the map
isoToName               Returns the country name corresponding to the
                        passed iso code (3 letter, 2 letter or
                        numeric).
joinCountryData2Map     Joins user country referenced data to a map
joinData2Map            Joins user polygon attribute data to a map
labelCountries          to print country labels on a world map
mapBars                 function to produce bar plots on a map
mapBubbles              function to produce bubble plots on a map, size
                        and colour determined by attribute data
mapByRegion             Produce maps of regional level data from
                        country level data
mapCountryData          Map country-level data.
mapDevice               Creates a plot device set up for maps
mapGriddedData          Produce maps of global gridded data at half
                        degree resolution
mapHalfDegreeGridToCountries
                        Maps user half degree gridded data at country
                        level by first aggregating.
mapPies                 function to produce pie charts on a map
mapPolys                Map polygon data.
rwmCheckAndLoadInput    internal function to check and load input data
                        to mapping functions
rwmGetClassBreaks       Internal function to set the numeric values for
                        the breaks between data categories
rwmGetColours           to choose map colours for classified data
rwmGetISO3              Internal function for getting the ISO3 country
                        code for a country name synonymn.
rwmNewMapPlot           Internal function to set up an existing device
                        for plotting maps
rworldmap-package       For mapping global data.
rworldmapExamples       Example code for plot creation
setMapExtents           Internal function allowing map extents to be
                        set from area names
