Hello All:

I am having the following error message when I increase the resolution
("res=30" to "res=350") of my graph:

Error in plot.xy(xy, type, ...) : ignoring SIGPIPE signal
Calls: plot -> plot.default -> plot.xy
Execution halted

Here is the code:

ofn <- "MAY11.png"
bitmap(ofn, type = "png256", width = 21, height = 30, pointsize = 30, bg =
"white",res=350)  <<<<<<< If I change "res=350" to "res=30", everything is
fine.
par(cex.main=1.2,cex.lab=1.8,cex.axis=1.4)
....

Does anybody have any comment please?

Many thanks,
Mohsen

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