Le 13.03.2006 15:58, Arnau Mir Torres a écrit : > Hello. > > I am an nxn data frame in the variable frame. > I want to make a contour plot with it. That is, I want to plot a square > of dimensions [1,n]x[1,n] with the gray level of square [i,i+1]x[j,j+1] > equal to frame[i,j]. > > How can I make it? > > Thanks, > > Arnau. > Hi,
it feels that you want to use ?image with a grey level palette : R> z <- matrix(runif(100), nc=10) R> image(z, col=gray(0:10/10)) Also, check ?palette, ?colorRampPalette and the links therein. HTH -- visit the R Graph Gallery : http://addictedtor.free.fr/graphiques Discover the R Movies Gallery : http://addictedtor.free.fr/movies +---------------------------------------------------------------+ | Romain FRANCOIS - http://francoisromain.free.fr | | Doctorant INRIA Futurs / EDF | +---------------------------------------------------------------+ ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
