On Wed, 4 Nov 2009, John Nolan wrote:
I frequently run scripts that generate multiple graphs. Unless you
specify a specific window location, dev.new superimposes all new
graphics windows exactly on top of each other. It would be nice to
have a "cascade=TRUE" option in dev.new to prevent windows from
being hidden. A hasty approximation to this is the following
function:
dev.new just passes arguments on to the device selected. *If* such
an argument were appropriate, it would need to added to the screen
devices, only some of which even have *pos arguments.
On the relatively few occasions I want multiple screeen devices open,
I want to control their size and location in ways different from the
defaults so would call X11() or quartz() directly.
If you find your suggestion has widespread support (and I've seen none
so far), you are welcome to implement it on all relevant devices (and
we don't even know your OS -- see the posting guide) and submit
patches for consideration.
# utility function to prevent overlapping plot windows
cascade <- function( k=dev.cur(),x0=300,y0=50,dx=30,dy=30){
dev.new( xpos=x0+k*dx, ypos=y0+k*dy);
invisible() }
x <- seq(-10,10,.1); y <- sin(x)
plot(x,y,type='l',main='first plot')
cascade()
plot(x,y,type='l',main='second plot')
John Nolan
Math/Stat Dept.
American University
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Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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