Re: R-beta: first view, then save plot or image?

Peter Dalgaard BSA (p.dalgaard@biostat.ku.dk)
12 Jan 1998 19:07:08 +0100


To: Bill Simpson <wsimpson@uwinnipeg.ca>
Subject: Re: R-beta: first view, then save plot or image?
From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk>
Date: 12 Jan 1998 19:07:08 +0100
In-Reply-To: Bill Simpson's message of Mon, 12 Jan 1998 11:39:18 -0600 (CST)

Bill Simpson <wsimpson@uwinnipeg.ca> writes:

> I was wondering if it is possible to first create the plot or image on
> screen so it can be viewed, THEN save it to file?  Without doing plot() or
> image() again?
> 
> (I ask because I have a complicated image computation that takes about 1-2
> hrs to complete.  I would like to view, then save it to file if I like it)

I think you'll be happy a few split seconds after typing
?save.plot
(and ?print.plot)

> Along a similar vein, is it possible to alter an image after it has been
> plotted on screen?  That is, first create image, then decide I want a
> different palette of colours, then alter it.  Again, is it possible to do
> without re-executing image()? (In my case, without waiting another 1-2hrs)

Sorry, no. Some of the external PostScript manipulators *might* be able
to do this.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907

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