Re: problem with Marker size

use gStyle->SetPaperSize(xsize,ysize) ; //in cm

Rene Brun

Feverati.Giovanni wrote:
>
>
> Hi, thank you for your time. Graphics zoom as expected, I perfectly
> agree,
> but this is not what I need to represent my interaction networks.
> Somehow, what I need is to circumvent the following statement of the
> manual
> (p. 138):
> The size of the PostScript picture, by default, is computed to keep the
> aspect ratio of the picture on the screen, where the size along x is
> always 20 cm.
> Can I fix the size along y to a fixed value for eps? For Postscript yes,
> using Range, but with eps?
> Thank you,
>
> Giovanni
>
>
>
>
>
>
> On Mon, 16 Nov 2009, Olivier Couet wrote:
>
>> Hi,
>>
>> I tried again your new examples. I zoomed the file prova1.eps using gv.
>> All the graphics is zooming as expected.
>>
>> Cheers, O.Couet
>>
>> -----Original Message-----
>> From: Feverati.Giovanni [mailto:feverati_at_lapp.in2p3.fr]
>> Sent: Saturday, November 14, 2009 9:43 PM
>> To: Rene Brun
>> Cc: Olivier Couet; roottalk_at_root.cern.ch
>> Subject: Re: [ROOT] problem with Marker size
>>
>>
>> Hi,
>> I'm using root 5.24, evince 2.26.1, xpdf 3.02. I have the same problem
>> in eps or pdf. To better explain you, I have added some text to my
>> images:
>> try to visualize the eps or pdf such that the text appears at the same
>> size and the markers will not!
>>
>> Giovanni
>>
>>
>> Here is the new file
>>
>> using namespace std;
>>
>> TCanvas *canapa = new TCanvas("prova","prova",0,0,200,100);
>> canapa->Range(0,0,11,15);
>> // new point (positionX, positionY, form "X")
>> TMarker *m1 = new TMarker(1,2,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TMarker *m1 = new TMarker(1,10,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TMarker *m1 = new TMarker(10,10,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TLine *l1 = new TLine( 1,2,1,10);
>> l1->SetLineWidth(2);
>> l1->Draw();
>> TText indice(2,5,"a");
>> indice.SetTextFont(43);
>> indice.SetTextSize(9);
>> indice.DrawText(2,5,"<-- This line must be vertical");
>>
>> canapa->Print("prova.eps");
>> canapa->Print("prova.pdf");
>>
>>
>> TCanvas *canapa1 = new TCanvas("prova1","prova1",0,0,400,100);
>> canapa1->Range(0,0,11,15);
>> TMarker *m1 = new TMarker(1,2,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TMarker *m1 = new TMarker(1,10,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TMarker *m1 = new TMarker(10,10,5);
>> m1->SetMarkerSize(1.);
>> m1->Draw();
>> TLine *l2 = new TLine( 1,2,1,10);
>> l2->SetLineWidth(2);
>> l2->Draw();
>> TText indice(2,5,"a");
>> indice.SetTextFont(43);
>> indice.SetTextSize(9);
>> indice.DrawText(2,5,"<-- This line must be vertical");
>>
>> canapa1->Print("prova1.eps");
>> canapa1->Print("prova1.pdf");
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sat, 14 Nov 2009, Rene Brun wrote:
>>
>>> As already reported by Olivier, we cannot reproduce your problem.
>>> Which version of ROOT are you using? which ps, eps viewers?
>>>
>>> Rene
>>>
>>> Feverati.Giovanni wrote:
>>>>
>>>> Hi.
>>>>
>>>> If you zoom the eps such that the two images prova.eps and prova1.eps
>>>> have the same vertical size you should see that the markers have now
>> two
>>>> different sizes. But notice: in the root panels you obtain two images
>> with
>>>> precisely the same vertical size and the same markers. This is my
>> problem:
>>>> I need eps images with the same vertical size and the same size of
>> the
>>>> markers;
>>>> I can get them on the root panel but not after printing to eps.
>>>>
>>>> Giovanni Feverati
>>>>
>>>>
>>>>
>>>> On Fri, 13 Nov 2009, Olivier Couet wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I ran you macros. I do not understand what you mean by:
>>>>>
>>>>> "the size of the Marker is adapted to the horizontal length of the
>> eps
>>>>> image" ?
>>>>>
>>>>> I get the same marker size on screen and in the eps.
>>>>>
>>>>> O.Couet
>>>>>
>>>>> -----Original Message-----
>>>>> From: owner-roottalk_at_root.cern.ch
>> [mailto:owner-roottalk_at_root.cern.ch]
>>>>> On Behalf Of Feverati.Giovanni
>>>>> Sent: Friday, November 13, 2009 5:23 PM
>>>>> To: roottalk_at_root.cern.ch
>>>>> Subject: [ROOT] problem with Marker size
>>>>>
>>>>>
>>>>> Hi
>>>>>
>>>>> I'm using TMarker to produce a symbol like x and I fix its size by
>>>>> SetMarkerSize(1.); the problem arises when saving with
>>>>> Print("file.eps"):
>>>>> the size of the Marker is adapted to the horizontal length of the
>> eps
>>>>> image.
>>>>> This effect is not apparent on the screen, it appears after
>> printing.
>>>>> Can I have a fixed size, on both the screen and the eps?
>>>>> Giovanni
>>>>>
>>>>>
>>>>> The code is the following.
>>>>>
>>>>>
>>>>>
>>>>> using namespace std;
>>>>> TCanvas *canapa = new TCanvas("prova","prova",0,0,200,100);
>>>>> canapa->Range(0,0,11,15);
>>>>> TMarker *m1 = new TMarker(1,1,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> TMarker *m1 = new TMarker(1,10,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> TMarker *m1 = new TMarker(10,10,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> canapa->Print("prova.eps");
>>>>>
>>>>>
>>>>> TCanvas *canapa1 = new TCanvas("prova1","prova1",0,0,400,100);
>>>>> canapa1->Range(0,0,11,15);
>>>>> TMarker *m1 = new TMarker(1,1,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> TMarker *m1 = new TMarker(1,10,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> TMarker *m1 = new TMarker(10,10,5);
>>>>> m1->SetMarkerSize(1.);
>>>>> m1->Draw();
>>>>> canapa1->Print("prova1.eps");
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>
Received on Tue Nov 17 2009 - 21:46:50 CET