Arrow keys move the cross-hair (Shift for bigger steps), Enter places a point, Shift+Enter closes an area, Ctrl+arrows pan, + and − zoom, 0 fits, Esc cancels.
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Arrow keys move the cross-hair (Shift for bigger steps), Enter places a point, Shift+Enter closes an area, Ctrl+arrows pan, + and − zoom, 0 fits, Esc cancels.