RE: TCanvas creates PDFs with extra blank page ?

From: Olivier Couet <Olivier.Couet_at_cern.ch>
Date: Mon, 6 Sep 2010 17:10:07 +0200

c.Print("test.pdf(");
...
c.Print("test.pdf)");

-----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 I
> 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 of 
>>>>>>> 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
>>>>>>>

>
Received on Mon Sep 06 2010 - 17:10:13 CEST