Dynamic Canvas "how to"

From: Vito Palladino <vito.palladino_at_cern.ch>
Date: Fri, 16 Oct 2009 18:48:44 +0200


Dear Rooters,

I'm tryng to make a "dynamic" canvas.

I have an array of TBox and I want to plot it in a canvas, modify them and plot again.  

My problem is how to upload the canvas. I'm using the TApplication and what happen is that when I call the method Run(), the execution of the code seems does not proceed.
I'm working on a compiled code.

Here the code:

main(int argc, char** argv){
  cout << "--> Initialization..." << endl;

  TApplication app("App", &argc, argv);

  FileReader FileIn("rates.dat");

  gROOT->SetStyle("Plain");

  TCanvas canvOne("canvOne", "One");
  gPad->Range(-2000,

-2000,

              2000,
              2000);

  TCanvas cavTwo("canvTwo", "Two");
  gPad->Range(-2000,

-2000,

              2000,
              2000);

  app.Run();  

}

Thanks for your help

    Vito Received on Fri Oct 16 2009 - 18:49:37 CEST

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