[R] plotting questions

[Greg Snow]

The dev.new function starts the default graphics device for that platform, so is the device independent method for doing this.  Individual users can change the default using options().

Hope this helps,

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Oliver
> Sent: Friday, February 20, 2009 8:31 PM
> To: David Winsemius
> Cc: r-help at r-project.org
> Subject: Re: [R] plotting questions
> 
> thanks you both for the reply.
> 
> yes, the second question is two-in-one, a bit confusing: I was thinking
> about Matlab's hold
> command, but also waiting for user input to proceed. So you have
> provided
> the complete answer.
> 
> The first question though - yes, windows() will give you a different
> window
> on w32 platform; On my Mac, quartz() will pop a new window. Does that
> mean
> my R code won't be portable if I need two windows? I was hoping
> something
> like figure() on matlab ... One way to get around the problem is check
> the
> platform first, then run different commands, but that would make the
> user
> code a bit cumbersome, does this make sense to you at all?
> 
> Best,
> 
> Oliver
> 
> 
> On Fri, Feb 20, 2009 at 7:05 PM, David Winsemius
> <dwinsemius at comcast.net>wrote:
> 
> >
> > On Feb 20, 2009, at 4:53 AM, Simon Pickett wrote:
> >
> >  Hi Oliver,
> >>
> >> 1) thats easy, if you want to display several graphs at once type
> >> windows(), once for each new graph.
> >>
> >> 2) Not sure exactly what you mean here but you have complete control
> over
> >> graphs in R. e.g. plot a blank graph then add axex using axis(), add
> points
> >> using points(), etc. etc.
> >>
> >
> > True, we to guess. My guess is that he wants:
> > ask {gtools}
> > R Documentation
> > Display a prompt and collect the user's responseDescription
> > Display a prompt and collect the user's response
> >
> > Usage
> > ask(msg = "Press <RETURN> to continue: ")
> > So one plot would be sent to a graphics device, then ask(), then
> after
> > response, add a line or points or ... (but not a new plot() or
> dev.new()
> > command)
> >
> > ?dev.cur
> > ?abline
> > ?points
> > --
> > David Winsemius
> >
> >
> >>
> >> Check out these pdfs http://cran.r-project.org/other-
> docs.htmlparticularly Emanuel Paradis's great intro to using R, very
> helpful for
> >> plots.
> >>
> >> Hope this helps,
> >>
> >> Si.
> >>
> >>
> >> ----- Original Message ----- From: "Oliver" <fwang2 at gmail.com>
> >> To: <r-help at r-project.org>
> >> Sent: Friday, February 20, 2009 3:33 AM
> >> Subject: [R] plotting questions
> >>
> >>
> >>  hi,
> >>>
> >>> There are two types of plotting I miss dearly in Matlab, can anyone
> >>> enlighten me how to do similar stuff in R?
> >>>
> >>> - multiple figures with individual windows (not multiple figures in
> >>> same window)?
> >>>
> >>> - draw something, hold on the drawing, wait for a key action, then
> >>> overlay on top?
> >>>
> >>> Not sure if this makes sense, just want to check if there are
> >>> developed techniques for them.
> >>>
> >>> Thanks
> >>>
> >>> Oliver
> >>>
> >>> ______________________________________________
> >>> R-help at 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.
> >>>
> >>>
> >> ______________________________________________
> >> R-help at 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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> 
> ______________________________________________
> R-help at 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.