Nothing
`rwmNewMapPlot`<-
function(mapToPlot=getMap(),
oceanCol=NA,
mapRegion="world",
xlim=NA,
ylim=NA,
aspect=1){
#browser()
## setting map extents if a mapRegion has been specified
if (mapRegion != "world"){
dFwesn <- setMapExtents(mapRegion)
xlim <- c(dFwesn$we, dFwesn$ea)
ylim <- c(dFwesn$so, dFwesn$no)
}
#getting xlim & ylim from bbox of map if they haven't been specified
if (length(xlim)<2) xlim <- bbox(mapToPlot)['x',]
if (length(ylim)<2) ylim <- bbox(mapToPlot)['y',]
plot.new()
#replicate behaviour of plot.Spatial in the sp package regarding aspect
#if the map is unprojected the aspect is set based upon the mean y coord
#only if region not 'world'
if (aspect == 'variable' & mapRegion != "world")
aspect <- ifelse(is.na(proj4string(mapToPlot)) || is.projected(mapToPlot),
1, 1/cos((mean(ylim) * pi)/180))
plot.window(xlim=xlim,ylim=ylim,asp=aspect)#,xaxs='i',yaxs='i')#,bg=oceanCol,xpd=NA)
#rect(xlim[1],ylim[1],xlim[2],ylim[2],col=oceanCol,border=oceanCol)
#making the rectangle as big as the whole map should ensure it fills
rect(mapToPlot@bbox[1],mapToPlot@bbox[2],mapToPlot@bbox[3],mapToPlot@bbox[4],col=oceanCol,border=oceanCol)
#26/3/13 returning xlim & ylim so it can be used elsewhere
lims <- data.frame(xlim,ylim)
invisible(lims)
}
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