Re: [ROOT] Saving Pads to File

From: Jan Erik Sundermann (jsunderm@pktw01.phy.tu-dresden.de)
Date: Tue May 13 2003 - 14:56:27 MEST


	Hi Rene,

I tested your code and it works fine for me. On the other hand, the described 
problem persists when opening and drawing the testcanvas and calling the 
function wp1() directly from the root interpreter. 


	Best regards,

		Jan Erik.

On Monday 12 May 2003 22:11, Rene Brun wrote:
> Hi Jan Erik,
>
> I do not know in which way you call your function.
> In attachement see a script using your code that produces
> what you expect.
>
> Rene Brun
>
> On Mon, 12 May
> 2003, Jan
>
> Erik Sundermann wrote:
> > 	Hello,
> >
> > I've problems executing the following script:
> > >-------
> >
> > #include "TCanvas.h"
> > #include "TString.h"
> >
> >
> > void
> > writePadsToPs(TCanvas* canvas, char* filename, int nbPadLow = 1, int
> > nbPadHigh = 1) {
> >
> >   for (int index = nbPadLow; index <= nbPadHigh; index++) {
> >
> >     canvas->cd(index);
> >     TPad* thispad = (TPad*) gPad;
> >     TCanvas *tempcanvas = new TCanvas();
> >     tempcanvas->cd();
> >     TPad *clonepad = (TPad*) thispad->DrawClone();
> >     clonepad->SetPad(0,0,1,1);
> >     TString tempfilename(filename);
> >     if (index == nbPadLow)
> >       tempfilename += "(";
> >     if (index == nbPadHigh)
> >       tempfilename += ")";
> >     tempcanvas->SaveAs(tempfilename);
> >     delete tempcanvas;
> >
> >   }
> > }
> >
> > ---------<
> >
> > When using the above code on the attached canvas the DrawClone does not
> > write to the temporary canvas but to the original canvas. The same code
> > works when executed line by line on the interpreter prompt.
> >
> > I'm using root version 3.05/03 on RedHat 7.3.
> >
> >
> > 	Best regards,
> >
> > 		Jan Erik.



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