Young, Jennifer A <Jennifer.Young <at> dfo-mpo.gc.ca> writes: > I am trying to add a ternary plot as a corner inset graph to a larger > main ternary plot. I have successfully used add.scatter in the past for > different kinds of plots but It doesn't seem to work for this particular > function. It overlays the old plot rather than plotting as an inset. > > Here is a simple version of what I'm trying. Note that if I change the > inset plot to be an ordinary scatter, for instance, it works as > expected. > > library(ade4) > library(vcd) > tdat <- data.frame(x=runif(20), y=rlnorm(20), z=rlnorm(20)) > insetPlot <- function(data){ > ternaryplot(data) > } > ternaryplot(tdat) > add.scatter(insetPlot(tdat), posi="topleft", ratio=.2) >
I think the problem is that add.scatter assumes you're using base graphics, while ternaryplot() uses grid graphics. Mixing and matching grid+base graphs is a little bit tricky. You might try it with triax.plot() from the plotrix package, which I believe does ternary plots in base graphics ... Ben Bolker ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.