Don't use options to do this in batch mode. Open and close the file as you make
the plot.
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Sent from my phone. Please excuse my brevity.
On September 1, 2015 4:34:41 AM PDT, axionator <axiona...@gmail.com> wrote:
>Hi,
>is there a way to automatically call dev.off()?
>I use options(device="myfunc") to automatically open a device to print
>to.
>Afterwards, I would like to close it (so that the file is actually
>written).
>I tried to do it via addTaskCallback, but unfortunately, I have to use
>Rserve and (for any reason), the callback does not work (in the default
>R
>console on win7 it works, however).
>
>So, the following runs in the R console (but not via Rserve):
>
>mypng <- function(filename = "test.png", ...)
>{
> times <- function(total = 2, str = "Task") {
> ctr <- 0
> function(expr, value, ok, visible) {
> ctr <<- ctr + 1
> keep.me <- (ctr < total)
> if (ctr == total) {
> cat("ENDPRINT")
> dev.off()
> }
> keep.me
> }
> }
> png(filename, ...)
> n <- addTaskCallback(times(1))
>}
>options(device="mypng")
>plot(rnorm(333))
>
>Any hints?
>
> [[alternative HTML version deleted]]
>
>______________________________________________
>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
