RE: Print divided canvas

I'll investigate. Give me some time.

-----Original Message-----
From: owner-roottalk_at_root.cern.ch [mailto:owner-roottalk_at_root.cern.ch] On Behalf Of Manuel Mussini
Sent: Wednesday, October 31, 2007 2:14 PM To: roottalk_at_lxbuild091.cern.ch
Subject: RE: [ROOT] Print divided canvas

My version is 5.17.02 for Windows and I get 1.jpg after ".x CanvasTest.C" and 2.jpg after a second ".x CanvasTest.C". My version is not so old so ... am I missing or doing something wrong?

Bye...

> -----Original Message-----
> From: Olivier Couet [mailto:Olivier.Couet_at_cern.ch]
> Sent: Wednesday, October 31, 2007 14:05
> To: Manuel Mussini; roottalk_at_lxbuild091.cern.ch
> Subject: RE: [ROOT] Print divided canvas
>
> You should have an old version of ROOT. With your original macro I get

> the two canvases correctly printed in the .jpg file using the last
> ROOT version.
>
> -----Original Message-----
> From: owner-roottalk_at_root.cern.ch [mailto:owner-roottalk_at_root.cern.ch]
> On Behalf Of Manuel Mussini
> Sent: Wednesday, October 31, 2007 2:00 PM
> To: roottalk_at_lxbuild091.cern.ch
> Subject: RE: [ROOT] Print divided canvas
>
> > Hi,
> >
> > As I said with .C file you cannot print only one Pad after a Divide
> (see
> > my previous answer). But for the .jpg file it works. You should
> > change your macro the following way:
> >
> > canvas->cd(2);
> > gPad->Print("a.jpg");
> >
> > This will produce the image of the 2nd pad only.
>
>
> Yes, but I'm no more able to print the whole canvas (in a jpg).
> canvas->cd(0);
> canvas->Print("puppa.jpg");
> prints only the background! I have to run the script twice to get the
> 2 pads in it!
>
> Bye...
>
>
> >
> > OC
> >
> > -----Original Message-----
> > From: owner-roottalk_at_root.cern.ch
> > [mailto:owner-roottalk_at_root.cern.ch]
> > On Behalf Of Manuel Mussini
> > Sent: Tuesday, October 30, 2007 4:59 PM
> > To: roottalk_at_lxbuild091.cern.ch
> > Subject: RE: [ROOT] Print divided canvas
> >
> > Sorry but I don't understand what you mean!
> >
> > A similar problem appears with ".jpg" extention but in a tricky way!
> If
> > I run
> > ".x CanvasTest.C" once (the code below) I get a jpg of the
> > background ... if I run it again (without restarting ROOT) I get the

> > correct output.
> >
> >
> > TCanvas *canvas;
> > TH1F *h;
> >
> > void CanvasTest()
> > {
> > h = new TH1F("hist", "Histo", 10, 0., 10.);
> > canvas = new TCanvas("canv", "Canvas", 0, 0, 800, 400);
> > canvas->Divide(2, 1);
> > canvas->cd(1);
> > h->Draw();
> > gPad->Print("puppa1.C");
> > canvas->cd(2);
> > h->Draw();
> > gPad->Print("puppa2.C");
> > canvas->cd(0);
> > canvas->Print("puppa.jpg");
> > }
> >
> >
> > Bye...
> >
> >
> >
> > > I see. This cannot work because the Divide() method is applied on
> the
> > TCanvas.
> > > So the top TCanvas must to be created.
> > >
> > >
> > > -----Original Message-----
> > > From: owner-roottalk_at_lxbuild091.cern.ch [mailto:owner-
> > > roottalk_at_lxbuild091.cern.ch] On Behalf Of Manuel Mussini
> > > Sent: Monday, October 29, 2007 12:02
> > > To: roottalk_at_lxbuild091.cern.ch
> > > Subject: RE: [ROOT] Print divided canvas
> > >
> > > Ooops!
> > > I forgot to sai that I'd like to save them as two ".C" macros!
> > > This way the canvas is always divided in two!
> > > Only with this extension I've this problem!
> > > You can see it with this:
> > >
> > >
> > > TCanvas *canvas;
> > > TH1F *h;
> > > h = new TH1F("hist", "Histo", 10, 0., 10.);
> > > canvas = new TCanvas("canv", "Canvas", 0, 0, 800, 400);
> > > canvas->Divide(2, 1);
> > > canvas->cd(1);
> > > h->Draw();
> > > gPad->Print("puppa1.C");
> > > canvas->cd(2);
> > > h->Draw();
> > > gPad->Print("puppa2.C");
> > >
> > >
> > >
> > > Bye...
> > >
> > >
> > > > -----Original Message-----
> > > > From: Olivier Couet [mailto:Olivier.Couet_at_cern.ch]
> > > > Sent: Monday, October 29, 2007 11:55
> > > > To: Manuel Mussini; roottalk_at_lxbuild091.cern.ch
> > > > Subject: RE: [ROOT] Print divided canvas
> > > >
> > > > Hi,
> > > >
> > > > After the last Draw() do:
> > > >
> > > > gPad->Print("a.ps");
> > > >
> > > > The 2nd pad only will be saved in the file a.ps.
> > > >
> > > > Cheers, OC.
> > > >
> > > > -----Original Message-----
> > > > From: owner-roottalk_at_root.cern.ch
> > [mailto:owner-roottalk_at_root.cern.ch]
> > > > On Behalf Of Manuel Mussini
> > > > Sent: Monday, October 29, 2007 11:48 AM
> > > > To: roottalk_at_lxbuild091.cern.ch
> > > > Subject: [ROOT] Print divided canvas
> > > >
> > > > Hi,
> > > > In my code something like this happens:
> > > >
> > > >
> > > > TCanvas *canvas;
> > > > TH1F *h;
> > > > h = new TH1F("hist", "Histo", 10, 0., 10.);
> > > > canvas = new TCanvas("canv", "Canvas", 0, 0, 800, 400);
> > > > canvas->Divide(2, 1);
> > > > canvas->cd(1);
> > > > h->Draw();
> > > > canvas->cd(2);
> > > > h->Draw();
> > > > // ???
> > > >
> > > >
> > > > Instead of "// ???" I'd like to write something to save the
> subpads
> > > > separately!
> > > > I tried several ways with "SaveAs" or "Print" but I didn't get
> what
> > I
> > > > want!
> > > > Which is the best way to do this?
> > > >
> > > > Thanks!
> > > >
> > > > Bye...
> > >
> >
>
Received on Wed Oct 31 2007 - 14:20:40 CET