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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