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Leigh B. Stoller authored
Major interface change; the default mode in the map is that click on a node now *adds* to a highlight (used to be shift-click), and that click over the floor area deselects everything. Add a "Distances between highlighted node" menu item, that uses the x,y,z coords of nodes to determine the distance between them. Okay so there might be a small constant in there, say 14 feet, that just happens to be the distance between floors in MEB.
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