Depending on the complexity of your graphic, you could also just re-draw
the entire thing every time you want to make a change.

Daniel


On Fri, Aug 2, 2013 at 10:17 AM, David Winsemius <dwinsemius@comcast.net>wrote:

>
> On Aug 2, 2013, at 2:26 AM, Klot Lee wrote:
>
> > Hi,
> > The function locator() allows me to add points by mouse on function
> plot()
> > I have draft. But the points can not be edit once I have made the click.
> > How can I remove or just move the points I made on the draft?
>
> You cannot. The plotting model for base graphics is indelible ink. The
> best you could do would be to plot white on top of black.
>
> --
> David.
> >
> > I use the locator function like this:
> >
> >> plot(1,1)
> >> locator(type="o")
> >
> >
> > Thanks.
> >
> >       [[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.
>
> David Winsemius
> Alameda, CA, USA
>
> ______________________________________________
> 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.
>

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