
mapMeridians(lat, lty='dotted', lwd=par('lwd'), col='lightgray', ...)
lines
.approx
to fill in multiple
segments within the line, so that e.g. great circle lines will be curved.mapPlot
for general information on plotting maps,
including other functions.library(oce)
data(coastlineWorld)
longitude <- coastlineWorld[['longitude']]
latitude <- coastlineWorld[['latitude']]
mapPlot(longitude, latitude, type='l',
latitudelim=c(30,60), longitudelim=c(-130,-50),
proj="polyconic", orientation=c(90, -90, 0))
mapMeridians()
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