Hi Benoit, Unfortunately there's currently no way to do that - the legend automatically corresponds to the geom in the plot.
Hadley On Thu, Jul 23, 2009 at 11:30 AM, Benoit Boulinguiez<benoit.boulingu...@ensc-rennes.fr> wrote: > Hi all, > > I've this ggplot2 graph > (http://www.4shared.com/file/120101043/f3e9350/isotherm.html). > > I'd like to tweak the legend for the adsorbent part. I'd like to have full > square of the colors instead of the full circles. > I guess that I've to work on the scale_color_hue or fill somewhere but I > haven't found my way yet. > > Here is my code to get the graph: > > pdf("isotherm.pdf",width=7,height=6) > > #windows(width=7,height=6) > ads.graph<-ggplot(Adsorp.DATA,aes(relative.p,ads.vol,shape=type > ,color=adsorbent))+ > > geom_point(size=I(3)) + > > labs(x=expression(p/p[0]),y=N[2]~adsorbed~volume~(cc/g)) + > > scale_shape(name="Adsorption\nProcedure" > ,solid=F > ,breaks=c("A","D") > ,labels=c("Adsorp.","Desorp.") > ) + > > scale_colour_hue(name="Adsorbent") + > > scale_x_continuous(limits=c(0,1),minor_breaks = seq(0,1,0.1)) + > scale_y_continuous(limits=c(0,1000)) + > > opts(panel.grid.minor = theme_line(colour = "grey94")) > > print(ads.graph) > dev.off() > > > > Regards/Cordialement > > ------------- > Benoit Boulinguiez > Ph.D student > Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 > Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" > Avenue du Général Leclerc > CS 50837 > 35708 Rennes CEDEX 7 > Tel 33 (0)2 23 23 80 83 > Fax 33 (0)2 23 23 81 20 > <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ > > > > [[alternative HTML version deleted]] > > > ______________________________________________ > 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. > > -- http://had.co.nz/ ______________________________________________ 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.