Re: [ROOT] different colored lines from same TTree in a single plot

From: Rene Brun (Rene.Brun@cern.ch)
Date: Sat Dec 15 2001 - 09:26:40 MET


Hi Benn,

The histogram generated by TTree::Draw has its graphics attributes
inherited from the Tree graphics attributes. In your script, simply
replace gStyle by myTree.

Rene Brun

On Fri, 14 Dec 2001, Benn Tannenbaum wrote:

> Hi Folks,
> 
> I'm trying to plot several things in the same plot, with different 
> colored lines, but I can't seem to get the lines to change color. Here's 
> the script I use:
> 
>    myTree->Draw("strip","plug==0&&octant==0","",1000);
>    gStyle->SetLineColor(3);
>    gROOT->ForceStyle();
>    myTree->Draw("strip","plug==0&&octant==1","same",1000);
>    gStyle->SetLineColor(4);
>    myTree->Draw("strip","plug==0&&octant==2","same",1000);
>    gStyle->SetLineColor(5);
>    myTree->Draw("strip","plug==0&&octant==3","same",1000);
>    gStyle->SetLineColor(6);
>    myTree->Draw("strip","plug==0&&octant==4","same",1000);
>    gStyle->SetLineColor(7);
>    myTree->Draw("strip","plug==0&&octant==5","same",1000);
>    gStyle->SetLineColor(8);
>    myTree->Draw("strip","plug==0&&octant==6","same",1000);
>    gStyle->SetLineColor(9);
>    myTree->Draw("strip","plug==0&&octant==7","same",1000);
> 
> What am I doing wrong? How do I get the lines to change color? In PAW 
> the lines would change color automatically....
> 
> 
> thanks!
> 
> 
> 												-Benn
> 



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