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Scheme for improving vertical zooming. Users will be able to stretch the canvas in two ways: all tracks together as they do now, or one track by itself. |
This horizontal portion of the "crosshair" might extend to the edges like the vertical hairline does now. It should also be translucent like the vertical hairline. Both of these things might help avoid confusing the horizontal hairline with glyphs representing data. Also it should probably only appear in the tier that has the focus.
Re-packing to fit available vertical space, but no more
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