[graalvm-users] AWT and plots
Stepan
stepan.sindelar at oracle.com
Fri Aug 10 14:57:06 PDT 2018
Hi Rodrigo,
there is an R function for this: grid.newpage(). If you are plotting to
an interactive window, then it's just cleared. If you are plotting to an
image, say Rplot001.png, this should save the current image and start a
new one (Rplot002.png).
Stepan
On 10/08/18 23:21, Rodrigo Botafogo wrote:
> Hello,
>
> I'm now testing Ruby Interop with R by generating ggplot graphics. On a
> previous post I was told to make a call to awt() and then 'print' the
> plot. All this is working fine. My question:
>
> Is there a way to clear the awt panel to send another plot? Is there a
> set of APIs to control the output or do I need to end my Ruby script and
> start a new one?
>
> I tried to call awt() a second time after a sleep(5), but I got a null
> pointer exception (could be a bug in my code.. did not investigate)
>
> Thanks
>
> --
> Rodrigo Botafogo
>
>
>
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