Olivier Couet wrote:
> Ah ... ok I though you wanted 5 pages.
> Ok. If I put [] in my macro I also get one more white page with pdf.
> With PS it is ok.
> I'll check.
> Pdf is more tricky for various reasons. I'll let you know.
OK thanks. Sorry if it took us a little while to get there ...
>
> -----Original Message-----
> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk]
> Sent: Monday, September 06, 2010 5:29 PM
> To: Olivier Couet
> Cc: roottalk_at_root.cern.ch
> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page ?
>
> H8i,
>
> Ahhh. But the PDF you sent me has 5 pages in it. Which means that your
> lines
>
> c1->Print("h1.pdf(");
> c1->Print("h1.pdf)");
>
> add to the file. I *specially* do not want this. I want to completely
> decouple the actions of opening and closing the file from filling it.
> This is why I am using the "[" and "]" syntax. I.e.
>
> c1->Print("h1.pdf["); // Open the file without adding a page
> c1->Print("h1.pdf"); // add a page
> c1->Print("h1.pdf"); // add a page
> c1->Print("h1.pdf"); // add a page
> c1->Print("h1.pdf]"); // close the file without adding a page
>
> so I end up with a PDF with only 3 pages.
>
> Am I misreading the documentation for how the "[" and "]" syntax is
> supposed to work ?
>
> cheers Chris
>
> Olivier Couet wrote:
>> It is fine for me. >> >> { >> >> TFile f("hsimple.root","READ"); >> c1 = new TCanvas("c1","sub data",200,10,700,500); >> >> hpx->Draw(); >> c1->Print("h1.pdf("); >> c1->Print("h1.pdf"); >> c1->Print("h1.pdf"); >> c1->Print("h1.pdf"); >> c1->Print("h1.pdf)"); >> >> } >> >> -----Original Message----- >> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk] >> Sent: Monday, September 06, 2010 5:15 PM >> To: Olivier Couet >> Cc: roottalk_at_root.cern.ch >> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page ? >> >> Olivier Couet wrote: >>> c.Print("test.pdf("); >>> ... >>> c.Print("test.pdf)"); >> Thats even worse though ;) The first blank page is still there, but in >> addition I get a second unwanted page which half contains the
>> (from the script below) but is messed up. The third is OK ... >> >> See attached PDF >> >> Chris >> >>> -----Original Message----- >>> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk] >>> Sent: Monday, September 06, 2010 5:09 PM >>> To: Olivier Couet >>> Cc: roottalk_at_root.cern.ch >>> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page ? >>> >>> Hi, >>> >>> Sorry, I don't follow you when you say I should use parenthesis ? >>> >>> Chris >>> >>> Olivier Couet wrote: >>>> You should use parenthesis instead of square brackets and the fixed
>>>> mentioned is about the PS and PDF mixing. >>>> >>>> -----Original Message----- >>>> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk] >>>> Sent: Monday, September 06, 2010 4:54 PM >>>> To: Olivier Couet >>>> Cc: roottalk_at_root.cern.ch >>>> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page ? >>>> >>>> Hi, >>>> >>>> Sorry, just to be 100% clear. Are you saying just the PS and PDF bug
>>>> is fixed in v5.27, or is the empty first page fixed there as well ? >>>> >>>> cheers Chris >>>> >>>> Chris Jones wrote: >>>>> Hi, >>>>> >>>>> OK thanks. I cannot use a DEV version of ROOT though, so will have >>>>> to >>>>> wait until this comes into production ... >>>>> >>>>> cheers Chris >>>>> >>>>> Olivier Couet wrote: >>>>>>> One thing. To properly create a PDF you have to do >>>>>>> c.Print("test.pdf[","pdf") >>>>>> This was fixed on May 26th this year. I am using 5.27 on linux >>>>>> >>>>>> -----Original Message----- >>>>>> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk] Sent: Monday, >>>>>> September 06, 2010 2:27 PM >>>>>> To: Olivier Couet >>>>>> Cc: roottalk_at_root.cern.ch >>>>>> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page ? >>>>>> >>>>>> Hi, >>>>>> >>>>>> One thing. To properly create a PDF you have to do >>>>>> >>>>>> c.Print("test.pdf[","pdf") >>>>>> >>>>>> If you just do >>>>>> >>>>>> c.Print("test.pdf[") >>>>>> >>>>>> Then there is another bug (which I reported before but seems never
>>>>>> got >>>>>> fixed) in that ROOT actually creates a PS file. If you then load >>>>>> this "PDF" file with say gv, then it might seem to have worked OK,
>>>>>> but that is only because you don't actually have a PDF file, but a
>>>>>> PS >>>> one... >>>>>> cheers Chris >>>>>> >>>>>> Chris Jones wrote: >>>>>>> Hi, >>>>>>> >>>>>>> It is nothing to do with PyRoot, I think, as the follow test CINT
>>>>>>> script shows the same bug for me. Switch to PS from PDF for the >>>>>>> file type, and the empty page disappears. >>>>>>> >>>>>>> cheers Chris >>>>>>> >>>>>>> { >>>>>>> >>>>>>> std::string fileType = "pdf"; >>>>>>> >>>>>>> TCanvas * c = new TCanvas(); >>>>>>> >>>>>>> c->Print( ("test."+fileType+"[").c_str(), fileType.c_str() ); >>>>>>> >>>>>>> TH1F * h = new TH1F("test","test",100,0.0,1.0); >>>>>>> >>>>>>> h->Draw(); >>>>>>> c->Update(); >>>>>>> c->Print( ("test."+fileType).c_str(), fileType.c_str() ); >>>>>>> >>>>>>> c->Print( ("test."+fileType+"]").c_str(), fileType.c_str() ); >>>>>>> >>>>>>> } >>>>>>> >>>>>>> >>>>>>> Chris Jones wrote: >>>>>>>> Hi, >>>>>>>> >>>>>>>> OK, I'll try with CINT. >>>>>>>> >>>>>>>> Could you also try with PyRoot ? >>>>>>>> >>>>>>>> Exactly which root version did you use yourself, and what >>>>>>>> platform >>>> ? >>>>>>>> cheers Chris >>>>>>>> >>>>>>>> Olivier Couet wrote: >>>>>>>>> Hi, >>>>>>>>> I just tried with the last ROOT version on my Linux machine and
>>>>>>>>> it is fine for me. >>>>>>>>> (with CINT of course :-) ). >>>>>>>>> Cheers, >>>>>>>>> O.Couet >>>>>>>>> >>>>>>>>> -----Original Message----- >>>>>>>>> From: Chris Jones [mailto:jonesc_at_hep.phy.cam.ac.uk] Sent: >>>>>>>>> Monday, >>>>>>>>> September 06, 2010 1:07 PM >>>>>>>>> To: Olivier Couet >>>>>>>>> Cc: roottalk_at_root.cern.ch >>>>>>>>> Subject: Re: [ROOT] TCanvas creates PDFs with extra blank page
>>>>>>>>> Hi, >>>>>>>>> >>>>>>>>>> Do you get the same with the CINT macro ? >>>>>>>>> No idea. I try and stay away from CINT as much as possible... I
>>>>>>>>> could try if you insist ;) >>>>>>>>> >>>>>>>>>> Which root version are you using ? >>>>>>>>> Sorry, should have said. A very recent version - >>>>>>>>> 5.26.00cp1_python2.5 from /afs/cern.ch/sw/lcg/app/releases/ROOT >>>>>>>>> >>>>>>>>>> On which platform ? >>>>>>>>> SLC5. >>>>>>>>> >>>>>>>>> cheers Chris >>>>>>>>> >>>>>>>>>> Cheers, >>>>>>>>>> O. Couet >>>>>>>>>> >>>>>>>>>> -----Original Message----- >>>>>>>>>> From: owner-roottalk_at_root.cern.ch >>>>>>>>>> [mailto:owner-roottalk_at_root.cern.ch] >>>>>>>>>> On Behalf Of Chris Jones >>>>>>>>>> Sent: Monday, September 06, 2010 12:43 PM >>>>>>>>>> To: roottalk_at_root.cern.ch >>>>>>>>>> Subject: [ROOT] TCanvas creates PDFs with extra blank page ? >>>>>>>>>> >>>>>>>>>> Hi, >>>>>>>>>> >>>>>>>>>> I use the TCanvas.Print method with the "[" and "]" syntax to >>>>>>>>>> full multipage PDF and PS files from a PyRoot script. i.e. >>>>>>>>>> >>>>>>>>>> canvas = TCanvas() >>>>>>>>>> >>>>>>>>>> # Open the file >>>>>>>>>> canvas.Print("File.pdf[") >>>>>>>>>> >>>>>>>>>> # print some pages (after plotting histograms etc.) >>>>>>>>>> canvas.Print("File.pdf") >>>>>>>>>> >>>>>>>>>> # Close the file >>>>>>>>>> canvas.Print("File.pdf]") >>>>>>>>>> >>>>>>>>>> I've noticed that if I create a PDF, my preferred format, I >>>>>>>>>> always seem to get an unwanted extra blank page at the start
>>>>>>>>>> the >>>>>> document. >>>>>>>>>> If, on the other hand I create PS files instead, I don't. See >>>>>>>>>> as >>>>>>>>>> examples >>>>>>>>>> >>>>>>>>>> >> <http://www.hep.phy.cam.ac.uk/~jonesc/HPDImageCalibrationByFill. >>>>>>>>>> p >>>>>>>>>> s> >>>>>>>>>> >> <http://www.hep.phy.cam.ac.uk/~jonesc/HPDImageCalibrationByFill. >>>>>>>>>> p >>>>>>>>>> df >>>>>>>>>> Any ideas why ? >>>>>>>>>> >>>>>>>>>> cheers Chris >>>>>>>>>>
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