Re: TAxis : move it

From: Marc Escalier <escalier_at_lal.in2p3.fr>
Date: Fri, 23 Oct 2009 22:59:46 +0200

thank you René,

but then, how to delete the standard axis ?

(in order to keep only the TGaxis)

---

On Fri, 23 Oct 2009, Rene Brun wrote:

> The axis is always drawn at the origin of the coordinates or 0 in case -+.
> Create a TGaxis and place it where you want. See
> $ROOTSYS/tutorials/graphics/gaxis.C
>
> Rene Brun
>
> Marc Escalier wrote:
>> Hello,
>>
>> Would somebody know how to move the X and Y axis ? i mean for example,
>> make the axis be at y=3, and x axis at 0.5 (just a minimal dummy example)
>>
>> TCanvas *mycanvas_test=new TCanvas("mycanvas_test","mycanvas_test");
>> TF1 myfunction("myfunction","x*x",-1.5,1.5);
>> myfunction.Draw();
>>
>> i mean : one can get TAxis *axis_x=myfunction->GetXaxis(), but then how to
>> move it ?
>>
>> thanks
>>
>> ===========
>> Marc Escalier a écrit :
>>> Hello,
>>>
>>> From a TProfile, we see the distribution of
>>> Y (with errors due to distributions) as a function of X
>>>
>>> How to transform it to draw :
>>> -same in X axis
>>> -in the Y axis : rms of the Y instead of "Y mean value with his errors" ?
>>>
>>> thank you
>>>
>>>
>>
>
>
Received on Fri Oct 23 2009 - 22:59:53 CEST