Drawing graph in ROOT

ROOT
1

Hellow,
I have a problem in drawing a graph in ROOT. Actually I have read two .root files and have calculated two sets of parameters. And now I want to plot both sets in a single graph with different colors or with different marker style. So how to proceed. Looking for your kind reply.

Regards
Kalyan

2

See examples here:

root.cern.ch/root/html/tutorials … index.html

3

MyGraph->SetLineStyle(…);
MyGraph->SetLineColor(…);
MyGraph->SetLineWidth(…);

See http://root.cern.ch/root/html/TAttLine.html for details.

MyGraph->SetMarkerStyle(…);
MyGraph->SetMarkerColor(…);
MyGraph->SetMarkerSize(…);

See http://root.cern.ch/root/html/TAttMarker.html for details.

See also http://root.cern.ch/root/html/TGraphPainter.html and http://root.cern.ch/root/html/THistPainter.html#HP060 for additional details.