A user interface is provided for allowing a user to interact with a graphical display, so as to facilitate comparative viewing of components of the display. A bar graph or other quantitative display is provided, wherein each bar is divided into a plurality of segments. Responsive to user input, segments of a given kind, in different bars, are realigned with one another along a common baseline, so that their sizes can be more easily compared with one another. In at least one embodiment, the realignment is transitory, and the original graph is restored upon further user input and/or after some predetermined time period.
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