Message-ID: <42280F96.7030604@statistik.uni-dortmund.de>
Date: 2005-03-04T07:34:46Z
From: Uwe Ligges
Subject: how to capture a series of plots
In-Reply-To: <BAY103-F332E8DAC280267588F09FD35B0@phx.gbl>
See ?dev.copy
Uwe Ligges
Weijie Cai wrote:
> Hi, there
>
> I am trying to capture a series of plots into jpeg or png files so that
> I can create gif animation later. However, my plot background generation
> is very slow, and I create the background plot only at the very
> beginning, and at each step I only refresh the foreground points and
> symbols like this:
> plot(x,y)
> while (condition holds){
> symbols(...add=1);
> }
>
> My question is, can I create a series of plots test1.jpg,
> test2.jpg...continuously? To my knowledge, R has to close current device
> (by dev.off()) to write to current file, so once first jpeg file is
> written, the current device with background will be off, therefore, I
> cannot add symbols in next device and create following file series.
>
> Any suggestions?
>
> Thanks
>
> WC
>
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