Jan Erik, You cannot call wp1 directly. You must draw the canvas first. Rene Brun Jan Erik Sundermann wrote: > > 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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