Duncan Murdoch wrote:
> On 3/23/2006 10:34 AM, Peter Ehlers wrote: > >> Duncan Murdoch wrote: >> >>> On 3/23/2006 7:35 AM, Thomas Steiner wrote: >>> >>>> a) How can I set the recording of all windows()-history forever to >>>> "true"? I want something like windows(record = TRUE) but not just for >>>> the window that opens then, but for all windows I will open ever. >>> >>> >>> >>> options(graphics.record=TRUE) >>> >>> will make that happen for the rest of the session. To really make it >>> happen forever, you need to put this line in your Rprofile (see >>> ?Rprofile for where that comes from). >>> >>> Watch out though: the graphics history is stored in your current >>> workspace in memory, and it can get big. You might find you're >>> running out of memory if you store everything, and you'll find your >>> .RData files quite large if you save your workspace. >>> >>> On my todo list (but not for 2.3.0) is the possibility of setting a >>> default history length, perhaps defaulting to saving the last 2 or 3 >>> pages. >> >> [snip] >> >> Duncan, >> >> This may be asking too much, but would it be possible to consider >> implementing selective graph removal from the graph history? >> I use graph.record=TRUE frequently for comparing graphs, but often >> find that I'd like to kill one of the graphs while keeping others >> in memory. > > > That's probably not too hard to do in R code. You just need to look at > the source in src/library/grDevices/R/windows/windows.R for the > print.SavedPlots method, and maybe the C level code in > src/library/grDevices/src/devWindows.c for a bit more help on the > interpretation of the .SavedPlots object, and then it should be fairly > straightforward to write a function that deletes an entry in the > history. (It's a list with 5 components, the first 4 of which describe > the current state and what the user is looking at, and the last of which > is a list containing the actual recorded plots.) > > Duncan Murdoch Thanks, Duncan. I'll have a look at it. Peter ______________________________________________ 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