Hi - yet another question: I'm trying to draw TLines on top of either TH1F's or THStack's. The lines are vertical lines which indicate the position of a cut, for example. I'd like the line to extend from the low horizontal edge of the histo box to the upper horizontal edge of the histo box. The lower edge will always have a Y coordinate of 0, so that's no problem. But I can't seem to figure out a way to get automatically the Y coordinate of the upper edge. For example using THStack::getMaximum seems to return the maximum, but not the coordinate of the upper horizontal edge. Using TH1F::getMaximum or TH1F::getMaximumStored also doesn't give satisfactory results either. Thanks in advance, -Ed
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