[R] could I remove or move points in locator() based on plot()?

[David Winsemius]

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.
> 
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> 
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David Winsemius
Alameda, CA, USA