Thanks to all for your input and thorough explanations. I will follow up on your suggestions and see where that takes me.
Regards, Sherri On Mon, Mar 11, 2013 at 2:02 AM, Bert Gunter <gunter.ber...@gene.com> wrote: > Jim: > > Whoaaa... this is only true for base graphics! > > For grid graphics -- on which both lattice and ggplot are built -- > there is a defined object structure for graphics complete with > extensive editing capabilities. See, e.g. ?grid.edit in the grid > package. > > Both lattice and ggplot can and do take advantage of grid grobs - > graphical objects, e.g. via updating and layering. Whether this is > more or less convenient than editing graphics code is another issue, > but the answer to the query is certainly "yes." > > I admit, however, that the modified displayed object must be redrawn > -- you do not work directly and interactively with the display. But > in many ways grid's programmatic editing and redisplay of modified > grobs is more flexible and powerful, I would say. In any case, the > editing capabilities exist. > > -- Bert > > On Sun, Mar 10, 2013 at 3:47 PM, Jim Lemon <j...@bitwrit.com.au> wrote: > > On 03/11/2013 02:19 AM, Sherri Heck wrote: > >> > >> Dear all, > >> > >> I am curious if anyone knows of a command/program that would enable one > to > >> edit a figure in R once it is created (akin to Matlab). Currently, if I > >> need to make any changes to the figure I do so and then have to run the > >> plotting portion of the code again. I have searched the R site mailing > >> lists, etc to no avail. Any help is greatly appreciated. > >> > > Hi Sherri, > > As Jeff has pointed out, graphics devices in R are almost entirely > > cumulative in operation. You can display something, then add something > else, > > but you don't have a buffer for the various objects in a complex plot > that > > allows those objects to be altered or deleted. > > > > The playwith package would probably allow you to do what you want, but > there > > is a certain amount of learning necessary and you have to navigate the > > complexity that is hidden in most interactive plotting packages. That > said, > > if you have to do a lot of this, it is worth the effort. > > > > What most of us do is to build plots up as scripts in an external editor > and > > then "source" the scripts. You can make incremental changes and the new > plot > > just pops up when you source the code. > > > > Jim > > > > ______________________________________________ > > 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. > > > > -- > > Bert Gunter > Genentech Nonclinical Biostatistics > > Internal Contact Info: > Phone: 467-7374 > Website: > > http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm > [[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.
