Why does LASD file not recognize class 18?

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07-24-2019 12:25 PM
by Anonymous User
Not applicable

I have a LAS file that has high noise (e.g., birds) classified as class 18. This class is apparent when viewing in FUSION. But when I convert the LAS to LASD and inspect the data in ArcMap, the points classified as 18 are simply not there. These points are erroneously high (e.g., 70m to 140m high in a southern Utah environment), and should stand out clearly in the LASD data whether symbolized by class or elevation. Is LASD automatically excluding ASPRS classes 7 and 18 (noise and high noise)? 

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