This is a utility function used by mapGrid
. It works
simply by subtracting 180 from each longitude, if any longitude
in the vector exceeds 180.
shiftLongitude(longitudes)
a numerical vector of longitudes
vector of longitudes, shifted to the desired range.
matrixShiftLongitude
and standardizeLongitude
.
Other functions related to maps: lonlat2map
,
lonlat2utm
, map2lonlat
,
mapArrows
, mapAxis
,
mapContour
,
mapDirectionField
, mapGrid
,
mapImage
, mapLines
,
mapLocator
,
mapLongitudeLatitudeXY
,
mapPlot
, mapPoints
,
mapPolygon
, mapScalebar
,
mapText
, mapTissot
,
oceCRS
, usrLonLat
,
utm2lonlat