Hi Everyone,
I have been using rpanel to produce a GUI for R. I came upon some formatting
problems when using rp.tkrplot.
Basically when I set the background of the tkrplot from "transparent" to
"white" using the par functionality the dimensions of the plot change.
The problem (if it really is one!) is not related to rpanel but to tkrplot.
A reproducible example can be found below.
Can anyone explain why this behaviour occurs?
Can anyone explain what settings are changing in the plots when the background
colour is changed so
that I can alter my code to accommodate this?
Regards
Wayne
library(tcltk)
library(tkrplot)
###### plot 1 with no background
tt <- tktoplevel()
bb<-1
img <-tkrplot(tt, function() plot(1:20,(1:20)^bb))
f<-function(...) {
b <- as.numeric(tclvalue("bb"))
if (b != bb) {
bb <<- b
tkrreplot(img)
}
}
s <- tkscale(tt, command=f, from=0.05, to=2.00, variable="bb",
showvalue=FALSE, resolution=0.05, orient="horiz")
tkpack(img,s)
###### plot 2 with White background
tt <- tktoplevel()
img <-tkrplot(tt, function() {par(bg="white"); plot(1:20,(1:20)^bb)})
s <- tkscale(tt, command=f, from=0.05, to=2.00, variable="bb",
showvalue=FALSE, resolution=0.05, orient="horiz")
tkpack(img,s)
----------------------------------------------------------------------------------------
Wayne Jones
Statistical Consultant
Shell Global Solutions (UK)
Shell Technology Centre Thornton, P.O. Box 1, Chester CH1 3SH, United Kingdom
Tel: +44 (0) 151 373 5977
Fax: +44 (0) 151 373 5384
Mobile: +44 (0) 7896 536026
Email: [EMAIL PROTECTED]
Internet: www.shell.com/globalsolutions/statisticsandchemometrics
Shell Global Solutions (UK) is a division of Shell Research Limited which has
its Registered Office at Shell Centre, London SE1 7NA and is registered in
England & Wales with No.539964.
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