getCtryStructAdmLevelNames: Get the list of admin level names from a ctryStruct file
Description
Get the list of admin level names from a ctryStruct file created from
the polygon for speed. It returns:
all official names starting from 1 to the specified
lowestAdmLevel. If not lowestAdmLevel is not
specified, all admin level names are returned
# NOT RUN {Rnightlights:::getCtryStructAdmLevelNames("KEN")
#returns vector [1] "County" "Constituency" "Ward"#if KEN shapefile exists otherwise errors# }# NOT RUN {# }