Yes, it does. I've needed it more often than not. -Don At 6:41 PM -0400 5/9/06, Duncan Murdoch wrote: >I've been thinking of adding the possibility of including "z" among the >axes to be logged in image, contour, and persp. In the first two, it >would only affect where the breaks were set if they are calculated >automatically; it would have a bigger effect in persp. > >For example, > >image(x, y, z, log="z") > >would set 12 colours evenly spaced on a log scale of the z values. (12 >because that's the default). > >We already support > >image(x, y, z, log="x") > >to scale the x axis (though there's a spurious warning; I'll fix that). > >image(z, log="x") > >fails because it tries to take a log of zero. > >Does it seem like a good idea for these 3D functions to support log="z" >the way 2D functions do? > >Duncan Murdoch > >______________________________________________ >R-devel@r-project.org mailing list >https://stat.ethz.ch/mailman/listinfo/r-devel
-- -------------------------------------- Don MacQueen Environmental Protection Department Lawrence Livermore National Laboratory Livermore, CA, USA ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel