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when toggle format what by license comment
Nov 13, 2016 at 0:11 history edited PolyGeo CC BY-SA 3.0
deleted 25 characters in body
Nov 20, 2013 at 10:31 comment added Venug This is for footprints.I am expecting roof surface.the roof surface not only flat roof it maybe cone, pyramid, dome and slope roof.
Nov 20, 2013 at 10:29 vote accept Venug
Jun 9, 2016 at 8:56
Nov 20, 2013 at 9:26 history answered Govindaraj R CC BY-SA 3.0