Hello, Into one pad I would like to draw 4 sets of data points, which I would like to fit. In order to additionally draw error bars, I set the MarkerSize of the histogram-points to zero and used the TGraphErrors() to draw the measured values with their error bars. The usage of filling a histogram was necessary in order to fit the data points. With SetMarkerColor for the TGraphErrors()-object I can select different colours for the data points. But, HOW, can I select different colours for the fitted curves? (hist1->SetColorLine(kBlue); does not work !). Cheers, Hermine +------------------------------------------------------+ |Hermine Katharina Woehri hermine.woehri@cern.ch | +------------------------------------------------------| |EP Division | |CERN | |CH-1211 Geneve 23 office: +41 22 767-9408| |Switzerland private: +33 671 72 9888| +------------------------------------------------------+
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