On Nov 24, 2010, at 8:24 PM, Kohleth Chia wrote:
Hi,
layout(1:2) # split the screen into 2 regions
plot(1:2) # plot in region 1
plot(1:2) # plot in region 2
par(mfg=c(1,1)) # Then I want to update the plot in region 1
You cannot "replace" it with another plot (lattice is set up to doe
that sort of operation) but you can overwrite it:
?par
mfcol, mfrow A vector of the form c(nr, nc). Subsequent figures will
be drawn in an nr-by-nc array on the device bycolumns (mfcol), or rows
(mfrow), respectively.
plot(1.5,1.5)
But the this last plot overlays with my 1st plot.
Q: How do I replace my first plot with my last?
#### NOTE ######
I know I can do this with split.screen and screen(n,TRUE)
But then it actually clears the previous plot before plotting the
new one,
which causes a 'white flash' if you know what I mean.
Since I will be updating my plot at a fairly rapid rate (imagine
using a
image sequence to emulate a video)
The 'white flashing' definitely CANNOT be there.
Base graphics is probably not what you want. Have you looked at the
animation package?
--
KC
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--
David Winsemius, MD
West Hartford, CT
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