Does anyone know exactly how close two coords must be to each other for them to be considered the same by autocad. We get roof drawings from 3d party software where the roof lines are off by about 1/10000000000 of a degree and sometimes it causes autocad not to detect intersections when running the boundary command inside a set of these lines which appear to be closed. I am trying to write a routine that identifies any of these lines that are out of tolerance but I don't know exactly how much is too much. Any help is appreciated.
TIA,
Ralph
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