Hello, there was a similar thread some time ago about creating simple "PAW-style" plots, i.e., histograms stacked right one above the other and one next to the other without space between them, thus making them share axes: http://root.cern.ch/root/roottalk/roottalk02/1939.html Following the advices, I am able to generate such figures by using TCanvas::Divide(nx, ny, 0, 0) and in sub pads the TAttPad::Set[Left,Right,Top,Bottom]Margin(0) - functions in an appropriate manner. However, as the histograms "outside" have to have axes and axis labels, they will be narrower than the ones inside. If only four histograms are arranged 2x2, this is no problem, all histograms can be "trimmed" symmetrically. But if "inner" histograms exist, they invariably will be bigger than the outer ones, because all the margins of the pads containing them have to be set to 0 in order for them to touch the neighbouring histograms. Is there a straightforward way to avoid this? Furthermore, I could find no way of taking the thus generated figure and then adding margins to the figure as a whole without changing the size ratios of the histograms in the figure. I would need such margins in order to add axis titles common to all x- or y-axes, thus placing them relative to the coordinates of a structure containing the figure with all the histograms. My first guess was, to draw the old TCanvas in a new one via DrawClone() and then setting the margins of the new TCanvas appropriately. This did not work. Maybe I am doing something simple in a too complicated manner? Thank you for hints, Kay
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