Small circular airspace radius limit
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When "discretizing" a very small circular airspace (radius less than approx 23 m) the resulting points must be forced as at least 4 and with coordinates that are resulting as different points as well, and especially, when expressed as DD:MM:SS. (One second in latitude is equivalent to 30.866 m.) Otherwise too close points of a too small circle could be resulting as the same repeated point when written as DD:MM:SS. Repeated points will be eliminated and an airspace with less than 3 points will be then considered as invalid and so lost.
This in the case of the laser beams danger areas which are often resulting as very tall cylindrical airspace with very small radius (often of few meters).
This to ensure that in the particular case of outputting in OpenAir using only DP points and with coordinates as DD:MM:SS no airspace is lost.
Done!