[graalvm-users] AWT and plots

[Stepan]

..or alternatively you can use "dev.off()" to close the window and then 
again "awt()" to open a new one.

On 10/08/18 23:57, Stepan wrote:
> 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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> 
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