Hi, I'd like to allow users to zoom in on a graph by clicking and dragging the mouse not on the axes but on the graph itself. Ideally, users would click at the point they want to be one corner of the zoomed view, then drag the mouse to select the area of the zoomed view. And I would like to draw a box around the area to be zoomed into. How hard is this to do with ROOT? Is there already a class included with ROOT 3.0 that provides the service I describe? If anyone has example code, I would love to see it. (Sorry if I have once again missed the obvious.) Thank you. David
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