Ulrich, You can uncomment the TPaveText::Draw. Your problem was the creation of a temporary TCanvas. Please do not continue this discussion on roottalk. Rene Brun Ulrich Jost wrote: > > there are TWO objects: a TEmbeddedCanvas and a TPavetext. > I'd like to put one on top of the other: > ------------------------ > | TEmbeddedCanvas | <- a plot > ------------------------ > | TPavetext | <- an annotation, ie text > ------------------------ > > = 1 postscript page > > Below you simply commented out the TPavetext. > > Ulrich > > On Tue, 25 May 1999, Rene Brun wrote: > > > Hi Ulrich, > > Ulrich, > > I cannot understand what you try to do! > > My assumption is that you have a TEmbeddedCanvas already paint. > > Why do you create another TCanvas ? > > Why not to do simply: > > > > { > > gROOT->SetStyle("print");// contains SetHeaderPS("175 850 > > translate"); > > // to put the plot on top centered > > TPostScript ps("jostps.ps", 111); > > ps.Range(18, 18); > > ps.NewPage(); > > embcanvas->GetCanvas()->UseCurrentStyle(); > > embcanvas->GetCanvas()->Draw(); > > // annotation->Paint(); // a TPavetext object > > c1->Update(); > > ps.Close(); > > delete c1; > > } > > > > The examples given at http://root.cern.ch/root/HowtoPS.html > > work correctly. > > > > Rene Brun > > > > Ulrich Jost wrote: > > > > > > Hi, > > > > > > I try to create a postscript file with a plot (TCanvas) above and a > > > TPavetext below. > > > The following sequence does not work properly. If I watch the file > > > in ghostview, the stuff appears for half a second, but then is > > > deleted and I have a white space. > > > Anyone knows how to do it correctly within a program (not a macro)? > > > I took the below from root's HOWTO's. > > > I attach the ps file. Somehow the stuff is there... > > > > > > Thanks, Ulrich > > > > > > gROOT->SetStyle("print");// contains SetHeaderPS("175 850 translate"); > > > // to put the plot on top centered > > > TCanvas *c1 = new TCanvas("c1"); > > > TPostScript ps(sout1.str(), 111); > > > ps.Range(18, 18); > > > c1->Divide(1, 2); > > > ps.NewPage(); > > > c1->cd(1); > > > > > > embcanvas->GetCanvas()->UseCurrentStyle(); > > > embcanvas->GetCanvas()->Draw(); > > > c1->Update(); > > > c1->cd(2); > > > annotation->Paint(); // a TPavetext object > > > c1->Update(); > > > ps.Close(); > > > delete c1; > > > > > > ------------------------------------------------------------------------ > > > > > > Name: temp1848993626.ps > > > temp1848993626.ps Type: Postscript Document (APPLICATION/postscript) > > > Encoding: BASE64 > >
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