Firstly, my attempt using "just" the grid package:
x<-seq(0,3,by=0.3)/2.8 y<-seq(0,1,by=0.1)
grid.newpage() grid.rect(gp=gpar(fill="pink"))
vp<-viewport(width=0.8, height=0.8) pushViewport(vp)
grid.rect(gp=gpar(fill="white")) grid.xaxis() grid.yaxis()
grid.points(x,y) grid.line(x,y)
If you run this you will see a datapoint and line extend into the pink area.
However, if xyplot is used, it doesn't extend past its borders:
xyplot(y~x, xlim=c(0,1), ylim=c(0,1), type=c("p","l"))From what I understand so far:
xyplot calls panel.xyplot
panel.xyplot calls lpoints and llines
neither lpoints nor llines do much except call xy.coords and then call lplot.xy
lplot.xy calls grid.points and grid.lines
Where in this code does the clipping occur? I'm quite baffled really.
Thank you for considering this,
Matthew
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