[Rd] [R-SIG-Finance] [VC++ calling R] How to create a real-time interactive ticking time-series chart using dygraph via RInside?

[Joshua Ulrich]

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On Mon, Apr 11, 2016 at 10:03 AM, Mike Deanza <mikedeanza at outlook.com> wrote:
> Hi all,
>
>
> I am trying to figure out how to do this in R and I need your help.
>
>
> My journey started from something like the following:
>
>
> http://stackoverflow.com/questions/11365857/real-time-auto-updating-incremental-plot-in-r/1#1
>
>
> n=1000
> df=data.frame(time=1:n,y=runif(n))
> window=100
> for(i in 1:(n©\window)) {
> flush.console()
> plot(df$time,df$y,type='l',xlim=c(i,i+window))
> Sys.sleep(.09)
> }
>
>
> Then I wanted to make it nicer looking so I went to dygraph.
>
>
> And then, I would like to be able to live send tick data from within Visual C++ so I started to investigate RInside.
>
>
> Following the example code here:
>
>
> http://dirk.eddelbuettel.com/papers/useR2009RcppRInside.pdf
>
>
> I can open an RInside object in VC++, and then send some data to it, and then execute some command in it, and then get data back.
>
>
> It is really great.
>
>
> However, is there a way to have the real-time updating ticking plots to be drawn on dygraph inside RInside?
>
>
> It turns out the dygraph package tends to draw onto a browser. That makes the real-time updating pretty slow.
>
>
> Is there a way to set the dygraph to plot to a GUI window in VC++? For example, a QT or MFC GUI window?
>
>
> My working environment is Win7 64bit ,with VS 2013 and VS2015, QT 5.3 32bit.
>
>
> Could anybody please shed some lights on me?
>
>
> Thanks a lot!
>
>
>
>
>
>
>
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-- 
Joshua Ulrich  |  about.me/joshuaulrich
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