CRREL/points2grid — pull request #4 by mankoff (2013-06-16 14:38:00+00:00)
Title: 6 ft is really 6 units

As far as I can tell this software / code / algorithm is unit independent. If your points are on a metric grid of mm, then everything is mm. If a metric grid of m, then everything is units m. If english yards, then units yards. So the 6 ft comment is really 6 units.